CN113033964A - Distributed user energy storage electric quantity and electric charge settlement system and settlement method - Google Patents
Distributed user energy storage electric quantity and electric charge settlement system and settlement method Download PDFInfo
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Abstract
The invention discloses a distributed system and a method for settling the energy storage capacity and the electric charge of a user, wherein the method comprises the following steps: s1: selecting any one of a subsequent conventional settlement reform method (step S2), a virtual electricity meter settlement method (step S3), a first flat settlement method (step S4) and a second flat settlement method (step S5) according to the configurations of distributed user energy storage devices, electricity meters, electricity quantity and electricity charge settlement units and settlement objects in the settlement system; s2: traditional settlement reform method; s3: a virtual electric meter settlement method; s4: a first flat settlement method; s5: a second flat settlement method; s6: according to the electric quantity and electric charge settlement method, electric quantity metering and electric charge settlement work among a power grid company, a power distribution enterprise, a distributed user, a comprehensive energy service company (platform company) and an electric power selling company is completed.
Description
Technical Field
The invention relates to a distributed user electricity energy storage technology, in particular to a platform system and a settlement method for energy storage electric quantity and electricity charge of users, power grids and comprehensive energy companies.
Background
In recent years, with the continuous improvement of the economical efficiency of the energy storage technology, the role of energy storage in renewable energy power generation, smart power grids and energy internet construction is increasingly prominent, and China also has a policy in succession to encourage the construction and application of the energy storage technology. According to different access modes and application scenes, the application of the energy storage system mainly comprises a centralized mode and a distributed mode. The energy storage system for centralized application is generally accessed in the same grid-connected point in a centralized way, at present, the form is mainly adopted in the aspects of large-scale renewable energy power generation grid connection, power grid auxiliary service and the like, and the energy storage system has the characteristics of large power (several megawatts to hundreds of megawatts), long discharge duration (minutes to hours) and the like. The distributed energy storage system is flexible in access position and is mainly applied to medium and low voltage power systems, distributed power generation and micro-grids and user sides at present. The scale of the power and capacity of the distributed energy storage is relatively small.
At present, various distributed energy storage technologies have different development levels and obviously different costs, and have respective characteristics in the aspects of energy density, power density, cycle life, efficiency, environmental protection and the like. The lead-acid battery is widely applied to a power system by virtue of the advantages of mature technology, low price and the like, but the lead-acid battery has a small power density, long charging time and short cycle life, has a certain influence on the environment, and cannot become the development direction of the battery in the future despite low cost. In contrast, lithium batteries, sodium-sulfur batteries, and the like have high energy and power density and long service life, and have been developed well at present, and although the price is relatively high, the lithium batteries and the sodium-sulfur batteries will be widely used in the near future with the continuous progress of the technology.
The current distributed electric energy storage project is relatively high in battery price, and a country lacks a subsidy policy of response to the distributed energy storage project, so that the economy and sustainable profitability of related projects are poor, and a main profit mode depends on peak-valley electricity price difference for profit. However, peak-valley electricity prices are settled with the power grid, and distributed single users have limited strength and lack the ability of gaming with the power grid, so that the investment return period of general projects is long, and the profitability of a plurality of projects is difficult.
Disclosure of Invention
In view of this, the invention provides a distributed user energy storage electric quantity and electric charge settlement platform system and a settlement method, which can utilize a storage battery to realize the storage of electric energy and the provision of electric energy to users, realize the stabilization of electricity price and the stabilization of electric energy consumption, avoid the energy waste of a power generation system, and provide electric quantity with lower price for users.
The invention provides a distributed user energy storage electric quantity and electric charge settlement system, which comprises:
the system comprises distributed user energy storage equipment, an electric meter, an electric quantity and electric charge settlement unit and a settlement object;
the distributed user energy storage equipment comprises any one or combination of an electrochemical storage battery, a super-capacitor storage battery, flywheel energy storage power generation equipment, potential energy storage power storage equipment, a diesel generator, a gasoline generator, an ammonia fuel generator, alcohol and distributed power generation;
the electric meter comprises any one or combination of a one-way metering electric meter, a two-way metering electric meter, an intelligent electric meter and a block chain electric meter;
the electric quantity and electric charge settlement unit is used for connecting the electric meter data of a plurality of distributed users and the electric meter data related to the power grid through the Internet and is electrically connected with the distributed user energy storage equipment; the settlement and the allocation of the electric quantity and the electric charge of a plurality of distributed energy storage users are realized by one or a combination of a plurality of big data, cloud computing, block chains or artificial intelligence technologies;
the settlement objects comprise any combination of a power grid company, a power generation company, a power selling company, a distributed user and a comprehensive energy service company (platform company);
when a user participates in electric power market transaction and settlement of a power generation group, the user can pay the power transmission and distribution price (the net charge) for the power grid according to the rule; and the settlement after corresponding conversion can be carried out for power generation enterprises according to peak-valley electricity prices.
As an implementation manner, the electrochemical storage battery in the distributed user energy storage device is one or a combination of several of a lithium battery, a lead-acid battery, a lead-carbon battery, a nickel-hydrogen battery, a nickel-cadmium battery, a sodium-sulfur battery, a vanadium-liquid-sulfur battery, a magnesium battery, a nickel-zinc battery, and a zinc-air battery.
As an implementation manner, the electric quantity and electric charge settlement unit completes the electric quantity and electric charge settlement by adopting any one of a block chain technology, a cloud computing algorithm, an artificial intelligence algorithm, a virtual electric meter algorithm, a first platformization algorithm or a second platformization algorithm.
As an implementation mode, the electric meter of the system comprises a power grid side electric meter, a user side electric meter and an energy storage device corresponding electric meter.
As an implementation mode, the electric meter of the system is a block chain electric meter, and the block chain module in the block chain electric meter, the block chain network based on the Internet and the block chain technology are utilized to realize the automatic point-to-point settlement of the electric charge of the user and the accounting function of the settlement data.
As an implementation manner, the blockchain electric meter and the blockchain network of the system adopt any one of a alliance chain, a public chain or a private chain; the block chain electric meter and the block chain network adopt electricity charge settlement currency which is digital currency, wherein the digital currency is any one of virtual currencies of Chinese central row digital currency, bitcoin, Ether house, EOS and the like.
The invention provides a settlement method adopting the distributed user energy storage electric quantity and electric charge settlement system, which comprises the following steps:
s1: selecting any one of a subsequent conventional settlement reform method (step S2), a virtual electricity meter settlement method (step S3), a first flat settlement method (step S4) and a second flat settlement method (step S5) according to the configurations of distributed user energy storage devices, electricity meters, electricity quantity and electricity charge settlement units and settlement objects in the settlement system;
s2: traditional settlement reform method;
s3: a virtual electric meter settlement method;
s4: a first flat settlement method;
s5: a second flat settlement method;
s6: according to the electric quantity and electric charge settlement method, electric quantity metering and electric charge settlement work among a power grid company, a power distribution enterprise, a distributed user, a comprehensive energy service company (platform company) and an electric power selling company is completed.
As an implementation manner, the conventional settlement reform method adopts the following steps to realize settlement of electric quantity and electric charge:
s11, under the original power utilization state, a user pays an electric charge of M to a power grid company; the corresponding selling side electricity prices during discharging and charging are P discharging and P charging respectively; the charge-discharge efficiency is eta;
s12, charging electric quantity Q through the distributed energy storage equipment, and discharging electric quantity Q;
s13, after installing micro energy storage at the user side, the user pays an electric charge M1 to the power grid according to the meter of the power grid side;
s14, the energy storage device discharges electricity to users in a time period of executing peak electricity price, peak section electricity price and flat section electricity price, the cost calculated according to electricity price appointed by a supplier, an electric user or a power generator, a power transmission and distribution electricity seller and the electric user in multiple parts in a corresponding time period is M, after the M is multiplied by a discharge settlement coefficient c, the cost actually settled is M discharge finished (c M discharge), the energy storage device borrows user electricity in the time period of executing low valley electricity price and flat section electricity price, the cost calculated according to electricity price sold by the electric network in the corresponding time period or the electricity price appointed by the two parts (multiple parts) is M charge, and after the M is multiplied by a charge settlement coefficient e, the cost actually settled is M charge finished (e M charge);
s15, paying the comprehensive energy company by the user according to the energy storage facility meter, wherein the payment is M2, namely M releasing knot-M charging knot; this is a profit for the integrated energy company;
s16, when the profit M2 is ended, M releasing is ended, M charging is ended, and when c is ended, E is 1, the profit M2 is ended, M2 is ended, M releasing is ended, M charging is ended, and (P releasing-P charging/eta) Q releasing is conducted, wherein key indexes influencing the profit are eta, peak valley price difference and initial investment of equipment;
s17, when no battery stores energy, such as a diesel generator is applied, P is 0; when the user side has battery energy storage and a diesel generator at the same time, when the diesel generator is applied, the P charge is equal to 0, and the settlement is respectively carried out.
As an implementation manner, the virtual electric meter settlement method realizes settlement of electric quantity and electric charge by adopting the following steps:
s21, under the original power utilization state, the user pays an electric charge of M to a power grid company; the peak and valley electrovalence are respectively P peak and P valley; the charge-discharge efficiency is eta;
s22, charging electric quantity Q through the distributed energy storage equipment, and discharging electric quantity Q;
s23, after installing micro energy storage at a user side, the user should pay the electricity fee M1 to the power grid or other power supply parties according to the electricity price counted by the power grid side meter and sold or agreed by the supplier and the power consumer or the power generator, the power transmission and distribution party and the power consumer;
s24, the energy storage device discharges electricity to a user in a time period of executing peak electricity price, peak section electricity price and flat section electricity price, the cost calculated according to electricity price appointed by a supplier and an electric user or a power generator, a power transmission and distribution party and an electric user in a corresponding time period is M, and after multiplying by a discharge settlement coefficient c, the cost actually settled is M settlement (c) M, the cost actually settled is M charge, the energy storage device borrows user electricity in a time period of executing low valley electricity price and flat section electricity price, the cost calculated according to electricity price appointed by the supplier and the electric user or the electric power generator, the power transmission and distribution party and the electric user in a corresponding time period is M charge, and after multiplying by a charge settlement coefficient e, the cost actually settled is M charge settlement (e) M charge;
s25, the user pays the actual payment fee to the power grid or other suppliers according to the virtual table M, wherein M is M1+ M2;
and S26, the power grid or other suppliers pay the comprehensive energy company according to the energy storage facility metering meter with the cost of M2 knot-M releasing knot-M charging knot, which is the profit of the comprehensive energy company.
S27, when the profit M2 is M releasing knot-M charging knot, and when c is e 1, the profit M2 is M releasing-M charging (Ppeak-Pvalley/eta) Q releasing influences that the key profit index is eta and the price difference between peak and valley;
and S28, the electric network or other suppliers and the comprehensive energy company settle the expense M2, namely M2 f.
As an implementation manner, the first flat settlement method realizes settlement of electric quantity and electric charge by adopting the following steps:
s31, three electric meters are provided in a platform settlement mode, namely a user side electric meter M, a power grid side electric meter M1 and an energy storage electric meter M2;
s32, the energy storage facility and the meter are arranged on the power grid side of the user meter and on the load side of the power grid side electric meter;
s33, peak electricity price, peak section electricity price, flat section electricity price and valley section electricity price are respectively a tip P, a peak P, a flat P and a valley P; the charge-discharge efficiency is eta; if the charging electric quantity is Q charge, the discharging electric quantity Q discharge is Q charge eta;
s34, after installing micro energy storage facilities on a user power grid side and a power grid user side, a user pays a power fee M to a platform according to the power price of a sale side or the power price agreed by a supplier and a power consumer or a power generator, a power transmission and distribution party and the power consumer in a corresponding time period according to a user side meter; if the actual payment electric charge coefficient is f, the user actually pays the charge M to the platform as f × M;
s35, the power grid company receives the actual power selling fee M1 from the platform according to the power grid side power selling price of the time period corresponding to the power grid side meter 1 or the cost calculated by the power price agreed by the supplier, the power consumer, the power generator, the power transmission and distribution party and the power consumer, and the actual receiving coefficient is g, so that the actual receiving fee from the platform by the power grid company is M1 g M1;
s36, the energy storage device discharges electricity to a user in a time period of executing peak electricity price, peak section electricity price and flat section electricity price, the cost calculated according to the electricity price appointed by a supplier and an electric user or a power generator, a power transmission and distribution party and an electric user in a corresponding time period is M, after the M is multiplied by a discharge settlement coefficient c, the cost actually settled is M settlement (c) M, the M is discharged, the energy storage device transmits electric power to the user side by the electric network side in the time period of executing low valley electricity price and flat section electricity price, the M is charged according to the cost calculated according to the electricity price appointed by the supplier and the electric user or the power generator, the power transmission and distribution party and the electric user in the corresponding time period, and the M is charged after the M is multiplied by a charge settlement coefficient e, the cost actually settled is M charge settlement (e) M;
s37, after micro energy storage is installed on the user power grid side and the power grid user side, the user pays an electric charge of M to the platform according to the user side metering meter;
s38, an energy storage device meter M2 is M-M1, which is profit of a platform (comprehensive energy company);
and S39, when the profit M2 is M-M1, and when f is g is 1, M2 is M put-M is (Ppeak-Pvalley/eta) Q put, and key indexes influencing the profit are eta and the price difference between peak and valley.
As one implementation manner, the second flat settlement method realizes settlement of electric quantity and electric charge by adopting the following steps (a user pays to the power grid first, and then the power grid pays to the platform):
s41, three electric meters are provided in a platform settlement mode, namely a user side electric meter M, a power grid side electric meter M1 and an energy storage electric meter M2;
s42, the energy storage facility and the meter are arranged on the power grid side of the user meter and on the load side of the power grid side electric meter;
s43, the peak electricity price, the flat electricity price and the valley electricity price are respectively a tip P, a peak P, a flat P and a valley P; the charge-discharge efficiency is eta; the charging electric quantity is Q charge, then the discharging electric quantity Q discharge ═ Q charge [. eta. ]
S44, after installing micro energy storage facilities on the user power grid side and the power grid user side, the user pays a power charge M to the power grid or the power supply according to the electricity price of the sale side or the electricity price agreed by the supplier and the power consumer or the power generator, the power transmission and distribution party and the power consumer in the corresponding time period according to the user side meter; if the actual payment electric charge coefficient is f, the user actually pays the charge M (f) to the power grid or the supplier;
s45, the power grid company receives the actual power selling fee M1 of the power grid according to the power grid side power selling price of the time period corresponding to the power grid side meter 1 or the cost calculated by the power price agreed by the supplier, the power consumer or the power generator, the power transmission and distribution party and the power consumer, and the actual receiving coefficient is g, so that the actual receiving fee of the power grid company is M1 g M1;
s46, if the meter M1 can be omitted, releasing M2 as M and charging M;
s47, the energy storage device discharges electricity to users in a time period of executing peak electricity price, peak section electricity price and flat section electricity price, the cost calculated according to electricity price appointed by a supplier and an electric user or a power generator, a power transmission and distribution party and an electric user in a corresponding time period is M, after the M is multiplied by a discharge settlement coefficient c, the cost actually settled is M settlement (c) M settlement, the energy storage device transmits electricity to the users by virtue of the power grid side in the time period of executing low valley electricity price and flat section electricity price, the M is charged according to the cost calculated according to electricity price appointed by the supplier and the electric user or the power generator, the power transmission and distribution party and the electric user in the corresponding time period, and after the M is multiplied by a charge settlement coefficient e, the cost actually settled is M charge settlement (e) M charge;
and S48, the settlement expense of the power grid company or the supplier and the platform is M2-M1, when f is 1, M2 is M put-M to charge, and M2 is the profit of the comprehensive energy company.
And S49, when f is equal to g and is equal to 1, M2 is equal to M put-M is equal to (P peak-P valley/eta) Q put, and key indexes influencing profit are eta and peak-valley price difference.
The distributed user energy storage electric quantity and electric charge settlement system has the following advantages:
1) the traditional user electric charge payment and transaction mode is changed, so that the reduction of the power utilization cost of the whole society and the improvement of the power utilization efficiency brought by energy storage can be popularized and applied in a wider range through a more reasonable and convenient transaction mode. The power grid in the traditional sense carries power transmission and conversion utilization, and physical connection between power consumers (demand parties) and power generation enterprises (supply parties) is realized through the power grid. The fund settlement is also the settlement between the user side and the power grid through a meter installed by the power grid company and the price regulated by the state or the price of the marketized transaction. With the gradual maturity of energy storage equipment facilities and the low price in a proper interval, a new transaction settlement mode is urgently needed, and the great development of the user-side energy storage industry is further promoted.
2) Through the metering and settlement mode of establishing a virtual meter and a platform transaction mode, the power selling amount of a power grid company is not influenced and even increased to a certain extent, the increased part is mostly reflected in the low-ebb power consumption, the problems of new energy consumption and overlarge peak-valley difference of the power grid can be effectively solved, and the overall operation efficiency of the power is improved; meanwhile, the problem of slow progress of energy storage investment caused by transaction uncertainty between the user and the energy storage investor can be solved;
3) through the platform trading mode, a plurality of users are gathered in an aggregator mode to participate in market trading (direct power purchase) and power auxiliary service markets. The system can effectively improve the user experience, improve the user income, encourage the supplier to continuously innovate, continuously improve the product and service capability, continuously reduce the supplied energy and power price, and realize benign interaction, symbiotic win-win and continuous development of related parties on the platform.
4) The transaction is developed through the platform, so that new innovations of transaction rules, business modes and operation mechanisms appear, and the user experience is improved qualitatively. The functions of information interaction, supply and demand matching and fund settlement between power consumers and power generation enterprises can be further realized.
5) The platform is used for carrying out transactions, so that the platform keeps innovation, and business patterns and social and economic innovations related to the platform can be continuously stimulated. The supplier (power plant) and the demander (power consumer) can directly interact, the market advantages of bilateral or multilateral transaction are fully exerted, the difference of the transaction price demands of the supplier and the demander is reduced in an effort, and the total volume of the market is increased. Overall, the trading platform plays the role of a matchmaker.
6) The trading is developed through the platform, the enthusiasm of the multi-element main body is fully mobilized, more diversified services are provided, more demand parties and supply parties are attracted to be added, and the beneficial interaction of related parties is stimulated by the joint cooperation of emerging market main bodies such as electricity selling companies and distributed energy production and marketing integrators, so that a good platform ecological circle is built.
7) The transaction is carried out through the platform, an inherent inertia thinking mode is abandoned, and the market demand is actively met. For the market main body registered by the trading platform, besides the traditional power generation, the power grid and the users, the market main body also comprises enterprises which do not involve in the power and energy industries, and by providing market-oriented electricity purchasing service, the market-oriented electricity purchasing service provides the services of electricity purchasing, energy saving, energy operation and maintenance and energy hosting whole chain for the users, the added value can be greatly improved, and the loyalty or viscosity of the market main body to the trading platform can be higher.
Drawings
Fig. 1 is a schematic view of a virtual electric meter settlement structure according to embodiment 1 of the present invention;
FIG. 2 is a schematic diagram of a structure of meter-modified settlement in embodiment 2 of the present invention;
FIG. 3 is a schematic diagram of a meter-modified settlement structure according to embodiment 3 of the present invention;
FIG. 4 is a diagram illustrating a conventional settlement method according to an embodiment of the present invention;
FIG. 5 is a diagram illustrating a virtual settlement method according to an embodiment of the present invention;
FIG. 6 is a diagram illustrating a method for platform settlement according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a metering and settlement reform method according to an embodiment of the present invention.
Detailed Description
For a further understanding of the inventive content of the present invention, the present invention will be described in more detail below with reference to specific examples, which are given for illustrative purposes only and are not intended to be limiting in any way; any insubstantial modifications of the invention, which would be obvious to those skilled in the art, are intended to be included within the scope of the invention.
Example 1
With the gradual maturity of energy storage equipment facilities and the low price in a proper interval, a new transaction settlement mode is urgently needed, and the great development of the user-side energy storage industry is further promoted. The embodiment provides a distributed user energy storage electric quantity and electric charge settlement system. As shown in fig. 1, a distributed system for settling the amount of energy stored by a user and the electric charge includes: virtual ammeter F, battery, ammeter A through setting up the battery for user 1, and this battery can charge when passing through power consumption valley or flat price, and utilizes the electric energy of deposit to discharge when power consumption peak or flat price to through corresponding settlement mode, realize the evenly distributed to power consumption electric quantity, realize the improvement of whole power generation efficiency, and realize the saving of electric quantity. The user energy storage electric quantity and electric charge settlement system of the embodiment of the invention comprises: the system comprises distributed user energy storage equipment, an electric meter, an electric quantity and electric charge settlement unit and a settlement object; the distributed user energy storage equipment comprises any one or combination of an electrochemical storage battery, a super-capacitor storage battery, flywheel energy storage power generation equipment, potential energy storage power storage equipment, a diesel generator, a gasoline generator, an ammonia fuel generator, alcohol and distributed power generation;
the electric meter comprises any one or combination of a one-way metering electric meter, a two-way metering electric meter, an intelligent electric meter and a block chain electric meter; the electric quantity and electric charge settlement unit is used for connecting the electric meter data of a plurality of distributed users and the electric meter data related to the power grid through the Internet and is electrically connected with the distributed user energy storage equipment; the settlement and the allocation of the electric quantity and the electric charge of a plurality of distributed energy storage users are realized by one or a combination of a plurality of big data, cloud computing, block chains or artificial intelligence technologies; the settlement objects comprise any combination of a power grid company, a power generation company, a power selling company, a distributed user and a comprehensive energy service company (a third-party electric power operation platform); when a user participates in electric power market transaction and settlement of a power generation group, the user can pay the power transmission and distribution price (the net charge) for the power grid according to the rule; and the settlement after corresponding conversion can be carried out for power generation enterprises according to peak-valley electricity prices.
The power generation company may be a wind power generation company, a solar power generation company, a hydropower station, or the like. The pumped storage power station comprises an electric storage mode and a discharge mode, wherein in the electric storage mode, the electric storage quantity of the pumped storage power station is P storage, the P storage is distributed in N ranges of terminal users in a regional power grid, the distributed virtual quantity of each user is P storage ai, the actual power consumption of each user is Pi usage, and the settlement quantity of the user and a power grid company is Pi usage + P storage ai; in the discharging mode, the total discharging electric quantity of the pumped storage power station is P discharging, and then P discharging is carried out.
In this example, the user 1 may realize power supply by a storage battery, or may obtain power supply to other power supply systems or power generation enterprises by the virtual electric meter F.
Example 2
The embodiment provides a distributed user energy storage electric quantity and electric charge settlement system. As shown in fig. 2, a distributed system for settling the amount of energy stored by a user and the electric charge includes: the ammeter C, the storage battery, the ammeter A and the ammeter B are used as the ammeter of the storage battery and used for metering the charging and discharging of the storage battery; the ammeter A is used as an ammeter of the user 1 and used for obtaining power from a power grid company or a power station accessed by the storage battery or the ammeter C and correspondingly counting charge and discharge electric quantity of the user 1 and the storage battery, and each ammeter has an electric quantity counting and charging function.
Example 3
The embodiment provides a distributed user energy storage electric quantity and electric charge settlement system. As shown in fig. 3, a distributed system for settling the amount of energy stored by a user and the electric charge includes: the storage battery pack belongs to a comprehensive energy company, the comprehensive energy company is a third-party electric power operation platform to which the settlement system belongs, and when the platform is charged through the storage battery pack, the platform pays the electricity consumption fee to a power grid company or a power generation enterprise according to an electricity meter C on the power grid side, and charges the electricity fee of the electricity used by the storage battery pack and the like to the user 1 according to an electricity meter A on the user side. That is, the integrated energy company provides electric energy to users through a battery pack. This comprehensive energy company charges to storage battery through electric wire netting company or electricity generation enterprise when the power consumption low ebb, and provide the electric quantity to user 1 when the user peak, thereby realize collecting user 1's charges of electricity, through energy accumulation promptly, the generated energy when using the power consumption low ebb can be saved, so as to provide this savings electric energy to the demand user when the user electricity peak, realize the tie to the power consumption electric quantity, whole power generation system's power consumption equilibrium has been guaranteed, the generated electricity electric quantity has been saved, and, through providing relatively lower price of electricity for the user when the power consumption peak, user's power consumption cost has been practiced thrift.
In the embodiment of the invention, the electric meter of the small and micro user has the metering functions of peak electricity utilization and valley electricity utilization, and the electric charge billing system of the embodiment of the invention has the functions of metering the electric quantity and billing the electric charge according to the appointed mode. The system of the embodiment of the invention is provided with the encryption module and accords with the encryption requirement of the national power grid, and the ammeter is provided with the processing chip, the data transmission module and the data transmission interface and can report the electricity consumption quantity or the electricity consumption expense and the like of the ammeter to the charging or metering platform of the invention. Such as a smart meter, a remote meter, etc.
In the embodiment of the invention, the energy storage electric meter and the energy storage facility are arranged on the electric meter at the user side, close to the electric network side, and on the load side of the electric meter at the electric network side; the energy storage electric meters and the energy storage facilities correspond to the distributed users one by one, namely, each distributed user is correspondingly provided with the energy storage facility and the energy storage electric meter; the user side electric meter and the energy storage electric meter of each user are combined together to be connected to the electric network side electric meter, and the electric network side electric meter is used for totally metering the total electric quantity including energy storage facilities and users; the peak and valley electrovalence are respectively P peak and P valley.
The invention provides a settlement method adopting the distributed user energy storage electric quantity and electric charge settlement system, which comprises the following steps:
s1: selecting any one of a subsequent conventional settlement reform method (step S2), a virtual electricity meter settlement method (step S3), a first flat settlement method (step S4) and a second flat settlement method (step S5) according to the configurations of distributed user energy storage devices, electricity meters, electricity quantity and electricity charge settlement units and settlement objects in the settlement system;
s2: traditional settlement reform method;
s3: a virtual electric meter settlement method;
s4: a first flat settlement method;
s5: a second flat settlement method;
s6: according to the electric quantity and electric charge settlement method, electric quantity metering and electric charge settlement work among a power grid company, a power distribution enterprise, a distributed user, a comprehensive energy service company (a third-party electric power operation platform) and an electric power selling company is completed.
As an implementation manner, the conventional settlement reform method adopts the following steps to realize settlement of electric quantity and electric charge:
s11, under the original power utilization state, a user pays an electric charge of M to a power grid company; the corresponding selling side electricity prices during discharging and charging are P discharging and P charging respectively; the charge-discharge efficiency is eta;
s12, charging electric quantity Q through the distributed energy storage equipment, and discharging electric quantity Q;
s13, after installing micro energy storage at the user side, the user pays an electric charge M1 to the power grid according to the meter of the power grid side;
s14, the energy storage device discharges electricity to users in a time period of executing peak electricity price, peak section electricity price and flat section electricity price, the cost calculated according to electricity price appointed by a supplier, an electric user or a power generator, a power transmission and distribution electricity seller and the electric user in multiple parts in a corresponding time period is M, after the M is multiplied by a discharge settlement coefficient c, the cost actually settled is M discharge finished (c M discharge), the energy storage device borrows user electricity in the time period of executing low valley electricity price and flat section electricity price, the cost calculated according to electricity price sold by the electric network in the corresponding time period or the electricity price appointed by the two parts (multiple parts) is M charge, and after the M is multiplied by a charge settlement coefficient e, the cost actually settled is M charge finished (e M charge);
s15, paying the comprehensive energy company by the user according to the energy storage facility meter, wherein the payment is M2, namely M releasing knot-M charging knot; this is a profit for the integrated energy company;
s16, when the profit M2 is ended, M releasing is ended, M charging is ended, and when c is ended, E is 1, the profit M2 is ended, M2 is ended, M releasing is ended, M charging is ended, and (P releasing-P charging/eta) Q releasing is conducted, wherein key indexes influencing the profit are eta, peak valley price difference and initial investment of equipment;
s17, when no battery stores energy, such as a diesel generator is applied, P is 0; when the user side has battery energy storage and a diesel generator at the same time, when the diesel generator is applied, the P charge is equal to 0, and the settlement is respectively carried out.
As an implementation manner, the virtual electric meter settlement method realizes settlement of electric quantity and electric charge by adopting the following steps:
s21, under the original power utilization state, the user pays an electric charge of M to a power grid company; the peak and valley electrovalence are respectively P peak and P valley; the charge-discharge efficiency is eta;
s22, charging electric quantity Q through the distributed energy storage equipment, and discharging electric quantity Q;
s23, after installing micro energy storage at a user side, the user should pay the electricity fee M1 to the power grid or other power supply parties according to the electricity price counted by the power grid side meter and sold or agreed by the supplier and the power consumer or the power generator, the power transmission and distribution party and the power consumer;
s24, the energy storage device discharges electricity to a user in a time period of executing peak electricity price, peak section electricity price and flat section electricity price, the cost calculated according to electricity price appointed by a supplier and an electric user or a power generator, a power transmission and distribution party and an electric user in a corresponding time period is M, and after multiplying by a discharge settlement coefficient c, the cost actually settled is M settlement (c) M, the cost actually settled is M charge, the energy storage device borrows user electricity in a time period of executing low valley electricity price and flat section electricity price, the cost calculated according to electricity price appointed by the supplier and the electric user or the electric power generator, the power transmission and distribution party and the electric user in a corresponding time period is M charge, and after multiplying by a charge settlement coefficient e, the cost actually settled is M charge settlement (e) M charge;
s25, the user pays the actual payment fee to the power grid or other suppliers according to the virtual table M, wherein M is M1+ M2;
and S26, the power grid or other suppliers pay the comprehensive energy company according to the energy storage facility metering meter with the cost of M2 knot-M releasing knot-M charging knot, which is the profit of the comprehensive energy company.
S27, when the profit M2 is M releasing knot-M charging knot, and when c is e 1, the profit M2 is M releasing-M charging (Ppeak-Pvalley/eta) Q releasing influences that the key profit index is eta and the price difference between peak and valley;
and S28, the electric network or other suppliers and the comprehensive energy company settle the expense M2, namely M2 f.
As an implementation manner, the first flat settlement method realizes settlement of electric quantity and electric charge by adopting the following steps:
s31, three electric meters are provided in a platform settlement mode, namely a user side electric meter M, a power grid side electric meter M1 and an energy storage electric meter M2;
s32, the energy storage facility and the meter are arranged on the power grid side of the user meter and on the load side of the power grid side electric meter;
s33, peak electricity price, peak section electricity price, flat section electricity price and valley section electricity price are respectively a tip P, a peak P, a flat P and a valley P; the charge-discharge efficiency is eta; if the charging electric quantity is Q charge, the discharging electric quantity Q discharge is Q charge eta;
s34, after installing micro energy storage facilities on a user power grid side and a power grid user side, a user pays a power fee M to a platform according to the power price of a sale side or the power price agreed by a supplier and a power consumer or a power generator, a power transmission and distribution party and the power consumer in a corresponding time period according to a user side meter; if the actual payment electric charge coefficient is f, the user actually pays the charge M to the platform as f × M;
s35, the power grid company receives the actual power selling fee M1 from the platform according to the power grid side power selling price of the time period corresponding to the power grid side meter 1 or the cost calculated by the power price agreed by the supplier, the power consumer, the power generator, the power transmission and distribution party and the power consumer, and the actual receiving coefficient is g, so that the actual receiving fee from the platform by the power grid company is M1 g M1;
s36, the energy storage device discharges electricity to a user in a time period of executing peak electricity price, peak section electricity price and flat section electricity price, the cost calculated according to the electricity price appointed by a supplier and an electric user or a power generator, a power transmission and distribution party and an electric user in a corresponding time period is M, after the M is multiplied by a discharge settlement coefficient c, the cost actually settled is M settlement (c) M, the M is discharged, the energy storage device transmits electric power to the user side by the electric network side in the time period of executing low valley electricity price and flat section electricity price, the M is charged according to the cost calculated according to the electricity price appointed by the supplier and the electric user or the power generator, the power transmission and distribution party and the electric user in the corresponding time period, and the M is charged after the M is multiplied by a charge settlement coefficient e, the cost actually settled is M charge settlement (e) M;
s37, after micro energy storage is installed on the user power grid side and the power grid user side, the user pays an electric charge of M to the platform according to the user side metering meter;
s38, the energy storage device meter M2 is M-M1, which is profit of a third-party electric power operation platform such as an integrated energy company;
and S39, when the profit M2 is M-M1, and when f is g is 1, M2 is M put-M is (Ppeak-Pvalley/eta) Q put, and key indexes influencing the profit are eta and the price difference between peak and valley.
As one implementation manner, the second flat settlement method realizes settlement of electric quantity and electric charge by adopting the following steps (a user pays to the power grid first, and then the power grid pays to the platform):
s41, three electric meters are provided in a platform settlement mode, namely a user side electric meter M, a power grid side electric meter M1 and an energy storage electric meter M2;
s42, the energy storage facility and the meter are arranged on the power grid side of the user meter and on the load side of the power grid side electric meter;
s43, the peak electricity price, the flat electricity price and the valley electricity price are respectively a tip P, a peak P, a flat P and a valley P; the charge-discharge efficiency is eta; if the charging electric quantity is Q charge, the discharging electric quantity Q discharge is Q charge eta;
s44, after installing micro energy storage facilities on the user power grid side and the power grid user side, the user pays a power charge M to the power grid or the power supply according to the electricity price of the sale side or the electricity price agreed by the supplier and the power consumer or the power generator, the power transmission and distribution party and the power consumer in the corresponding time period according to the user side meter; if the actual payment electric charge coefficient is f, the user actually pays the charge M (f) to the power grid or the supplier;
s45, the power grid company receives the actual power selling fee M1 of the power grid according to the power grid side power selling price of the time period corresponding to the power grid side meter 1 or the cost calculated by the power price agreed by the supplier, the power consumer or the power generator, the power transmission and distribution party and the power consumer, and the actual receiving coefficient is g, so that the actual receiving fee of the power grid company is M1 g M1;
s46, if the meter M1 can be omitted, releasing M2 as M and charging M;
s47, the energy storage device discharges electricity to users in a time period of executing peak electricity price, peak section electricity price and flat section electricity price, the cost calculated according to electricity price appointed by a supplier and an electric user or a power generator, a power transmission and distribution party and an electric user in a corresponding time period is M, after the M is multiplied by a discharge settlement coefficient c, the cost actually settled is M settlement (c) M settlement, the energy storage device transmits electricity to the users by virtue of the power grid side in the time period of executing low valley electricity price and flat section electricity price, the M is charged according to the cost calculated according to electricity price appointed by the supplier and the electric user or the power generator, the power transmission and distribution party and the electric user in the corresponding time period, and after the M is multiplied by a charge settlement coefficient e, the cost actually settled is M charge settlement (e) M charge;
and S48, the settlement expense of the power grid company or the supplier and the platform is M2-M1, when f is 1, M2 is M put-M to charge, and M2 is the profit of the comprehensive energy company.
And S49, when f is equal to g and is equal to 1, M2 is equal to M put-M is equal to (P peak-P valley/eta) Q put, and key indexes influencing profit are eta and peak-valley price difference.
The essence of the technical solution of the embodiment of the present invention is further clarified by specific electric quantity and charge settlement methods.
Fig. 4 is a schematic diagram of a conventional settlement method according to an embodiment of the present invention, and as shown in fig. 4, the settlement method of this example includes:
1. under the original power utilization state, a user pays an electric charge of M to a power grid company; the peak and valley electrovalence are respectively P peak and P valley; the charge-discharge efficiency is eta;
2. if the charging electric quantity is Q charge, the discharging electric quantity Q discharge is Q charge eta;
3. after the micro energy storage is installed at the user side, the user pays the electric charge M1 to the power grid according to the meter at the power grid side;
4. the charge of discharging to the user is M during the high peak period of the energy storage device, and the charge of charging to the user is M during the low valley period of the energy storage device by means of the electric power of the user;
5. the user pays the cost M2 to the comprehensive energy company as M discharging-M charging according to the energy storage facility meter; this is a profit for the integrated energy company.
6.M=M1+M2
7. Profit M2 put-M charge (P peak-P valley/η) Q put, from which it can be seen: key indicators affecting profit are η and peak to valley price difference and equipment initial investment.
Fig. 5 is a schematic diagram of a virtual settlement method according to an embodiment of the present invention, and as shown in fig. 5, the settlement method of this example includes:
1. under the original power utilization state, a user pays an electric charge of M to a power grid company; the peak and valley electrovalence are respectively P peak and P valley; the charge-discharge efficiency is eta;
2. the charging electric quantity is Q charge, then the discharging electric quantity Q discharge ═ Q charge [. eta. ]
3. After the micro energy storage is installed at the user side, the user pays an electric charge M1 to the power grid according to the meter of the power grid side;
4. the charge of discharging to the user is M during the high peak period of the energy storage device, and the charge of charging to the user is M during the low valley period of the energy storage device by means of the electric power of the user;
5. the user pays the cost M2 to the comprehensive energy company as M discharging-M charging according to the energy storage facility meter; this is a profit for the integrated energy company.
6. Virtual table M-M1 + M2
7. Profit M2 put-M charge (P peak-P valley/η) Q put, from which it can be seen: key indicators affecting profit are η and peak-to-valley price difference.
Fig. 6 is a schematic diagram of a platform settlement method according to an embodiment of the present invention, and as shown in fig. 6, the settlement method of this example includes:
1. under the platform settlement mode, three electric meters are respectively a user side electric meter M, a power grid side electric meter M1 and an energy storage electric meter M2;
2. the energy storage facility and the meter are arranged on the power grid side of the user meter and on the load side of the power grid side meter;
3. the peak and valley electrovalence are respectively P peak and P valley; the charge-discharge efficiency is eta; if the charging electric quantity is Q charge, the discharging electric quantity Q discharge is Q charge eta;
4. after micro energy storage is installed at the user power grid side and the power grid user side, the user pays the electric charge M to the platform according to the user side metering meter;
5. the power grid company collects the actual power selling fee M1 of the power grid to the platform according to the meter 1 on the power grid side; or the power generation enterprise charges the actual fee M1 to the platform according to the electric power marketization trading mode;
6. the charge of discharging to the user is M during the high peak period of the energy storage device, and the charge of charging to the user is M during the low valley period of the energy storage device by means of the electric power of the user;
7. the meter of the energy storage device is M2, namely M discharging-M charging; this is a profit for the integrated energy company.
8. Profit M2 put-M charge (P peak-P valley/η) Q put, from which it can be seen: key indicators affecting profit are η and peak-to-valley price difference.
Fig. 7 is a schematic diagram of a metering and settlement reform method according to an embodiment of the present invention, and as shown in fig. 7, the settlement manner of this example includes:
1. under the platform settlement mode, three electric meters are respectively a user side electric meter M, a power grid side electric meter M1 and an energy storage electric meter M2;
2. the energy storage facility and the meter are arranged on the power grid side of the user meter and on the load side of the power grid side meter;
3. the peak and valley electrovalence are respectively P peak and P valley; the charge-discharge efficiency is eta; if the charging electric quantity is Q charge, the discharging electric quantity Q discharge is Q charge eta;
4. after micro energy storage is installed at the user power grid side and the power grid user side, the user pays the electric charge M to the platform according to the user side metering meter;
5. the power grid company collects the actual power selling fee M1 of the power grid to the platform according to the meter 1 on the power grid side; or the power generation enterprise charges the actual fee M1 to the platform according to the electric power marketization trading mode;
6. the charge of discharging to the user is M during the high peak period of the energy storage device, and the charge of charging to the user is M during the low valley period of the energy storage device by means of the electric power of the user;
7. the meter of the energy storage device is M2, namely M discharging-M charging; this is a profit for the integrated energy company.
8. Profit M2 put-M charge (P peak-P valley/η) Q put, from which it can be seen: key indicators affecting profit are η and peak-to-valley price difference.
In embodiments of the present invention, profit may also be referred to as spread revenue.
The embodiment of the invention also discloses a statistical method of electric quantity and electric charge, wherein a charging platform or a charging program acquires the electric quantity of the stored energy power station used by the user and the actual use quantity of the power grid, and determines that the use time period of the electric quantity used by the user corresponds to a flat-section electricity price time period, a low-valley electricity price time period or a flat-section and low-valley mixed use time period.
Compared with the prior art, the embodiment of the invention at least has the following beneficial effects:
1) the traditional user electric charge payment and transaction mode is changed, so that the reduction of the power utilization cost of the whole society and the improvement of the power utilization efficiency brought by energy storage can be popularized and applied in a wider range through a more reasonable and convenient transaction mode. The power grid in the traditional sense carries power transmission and conversion utilization, and physical connection between power consumers (demand parties) and power generation enterprises (supply parties) is realized through the power grid. The fund settlement is also the settlement between the user side and the power grid through a meter installed by the power grid company and the price regulated by the state or the price of the marketized transaction. With the gradual maturity of energy storage equipment facilities and the low price in a proper interval, a new transaction settlement mode is urgently needed, and the great development of the user-side energy storage industry is further promoted.
2) Through the metering and settlement mode of establishing a virtual meter and a platform transaction mode, the power selling amount of a power grid company is not influenced and even increased to a certain extent, the increased part is mostly reflected in the low-ebb power consumption, the problems of new energy consumption and overlarge peak-valley difference of the power grid can be effectively solved, and the overall operation efficiency of the power is improved; meanwhile, the problem of slow progress of energy storage investment caused by transaction uncertainty between the user and the energy storage investor can be solved;
3) through the platform trading mode, a plurality of users are gathered in an aggregator mode to participate in market trading (direct power purchase) and power auxiliary service markets. The system can effectively improve the user experience, improve the user income, encourage the supplier to continuously innovate, continuously improve the product and service capability, continuously reduce the supplied energy and power price, and realize benign interaction, symbiotic win-win and continuous development of related parties on the platform.
4) The transaction is developed through the platform, so that new innovations of transaction rules, business modes and operation mechanisms appear, and the user experience is improved qualitatively. The functions of information interaction, supply and demand matching and fund settlement between power consumers and power generation enterprises can be further realized.
5) The platform is used for carrying out transactions, so that the platform keeps innovation, and business patterns and social and economic innovations related to the platform can be continuously stimulated. The supplier (power plant) and the demander (power consumer) can directly interact, the market advantages of bilateral or multilateral transaction are fully exerted, the difference of the transaction price demands of the supplier and the demander is reduced in an effort, and the total volume of the market is increased. Overall, the trading platform plays the role of a matchmaker.
6) The trading is developed through the platform, the enthusiasm of the multi-element main body is fully mobilized, more diversified services are provided, more demand parties and supply parties are attracted to be added, and the beneficial interaction of related parties is stimulated by the joint cooperation of emerging market main bodies such as electricity selling companies and distributed energy production and marketing integrators, so that a good platform ecological circle is built.
7) The transaction is carried out through the platform, an inherent inertia thinking mode is abandoned, and the market demand is actively met. For the market main body registered by the trading platform, besides the traditional power generation, the power grid and the users, the market main body also comprises enterprises which do not involve in the power and energy industries, and by providing market-oriented electricity purchasing service, the market-oriented electricity purchasing service provides the services of electricity purchasing, energy saving, energy operation and maintenance and energy hosting whole chain for the users, the added value can be greatly improved, and the loyalty or viscosity of the market main body to the trading platform can be higher.
While the invention has been particularly shown and described with reference to a preferred embodiment thereof, it will be understood by those skilled in the art that various changes in form and detail may be made without departing from the scope of the invention as set forth in the following claims. The foregoing detailed description has been presented in conjunction with specific embodiments of this invention, but is not intended to limit the invention thereto. Any simple modifications of the above embodiments according to the technical essence of the present invention still fall within the scope of the technical solution of the present invention.
Claims (13)
1. The utility model provides a distributed user energy storage electric quantity and charges of electricity settlement system which characterized in that, settlement system includes:
the system comprises distributed user energy storage equipment, an electric meter, an electric quantity and electric charge settlement unit and a settlement object;
the distributed user energy storage equipment comprises any one or combination of an electrochemical storage battery, a super-capacitor storage battery, flywheel energy storage power generation equipment, potential energy storage power storage equipment, a diesel generator, a gasoline generator, an ammonia fuel generator, alcohol and distributed power generation;
the electric meter comprises any one or combination of a one-way metering electric meter, a two-way metering electric meter, an intelligent electric meter and a block chain electric meter;
the electric quantity and electric charge settlement unit is used for connecting the electric meter data of a plurality of distributed users and the electric meter data related to the power grid through the Internet and is electrically connected with the distributed user energy storage equipment; the settlement and the allocation of the electric quantity and the electric charge of a plurality of distributed energy storage users are realized by one or a combination of a plurality of big data, cloud computing, block chains or artificial intelligence technologies;
the settlement objects comprise any combination of a power grid company, a power generation company, a power selling company, distributed users, a comprehensive energy service company and a third-party electric power operation platform;
when a user participates in electric power marketization transaction and settlement of a power generation group, paying a power transmission and distribution price or a network charge for a power grid according to rules; and the settlement after corresponding conversion can be carried out for power generation enterprises according to peak-valley electricity prices.
2. The system according to claim 1, wherein the electrochemical storage battery in the distributed user energy storage device is one or a combination of lithium battery, lead-acid battery, lead-carbon battery, nickel-hydrogen battery, nickel-cadmium battery, sodium-sulfur battery, vanadium-liquid-sulfur battery, magnesium battery, nickel-zinc battery, zinc-air battery, solid-state battery, and graphene storage battery.
3. The system of claim 1, wherein the electric quantity and electric charge settlement unit performs the electric quantity and electric charge settlement by using any one of a blockchain technique, a cloud computing algorithm, an artificial intelligence algorithm, a virtual electric meter algorithm, a first platformization algorithm, or a second platformization algorithm.
4. The system of claim 1, wherein the electrical meters of the system comprise a grid-side meter, a consumer-side meter, and an energy storage device-corresponding meter.
5. The system of claim 4, wherein the electric meters of the system are blockchain electric meters, and the blockchain modules in the blockchain electric meters and the blockchain network and blockchain technology based on the internet are utilized to realize the automatic point-to-point settlement of the electric charges of the users and the accounting function of the settlement data.
6. The system of claim 5, wherein the blockchain network and the blockchain electric meters of the system adopt any one of a alliance chain, a public chain or a private chain; the block chain ammeter and the block chain network adopt electricity charge settlement currency which is digital currency, wherein the digital currency is any one of national central bank digital currency, bitcoin, Ether house and EOS virtual currency.
7. A settlement method using the distributed user energy storage capacity and electricity charge settlement system of any one of claims 1 to 6, wherein the settlement method is performed by the following steps:
s1: selecting any one of a subsequent conventional settlement reform method (step S2), a virtual electricity meter settlement method (step S3), a first flat settlement method (step S4) and a second flat settlement method (step S5) according to the configurations of distributed user energy storage devices, electricity meters, electricity quantity and electricity charge settlement units and settlement objects in the settlement system;
s2: traditional settlement reform method;
s3: a virtual electric meter settlement method;
s4: a first flat settlement method;
s5: a second flat settlement method;
s6: according to the electric quantity and electric charge settlement method, electric quantity metering and electric charge settlement work among a power grid company, a power distribution enterprise, a distributed user, a comprehensive energy service company, a third-party electric power operation platform and an electric power selling company is completed.
8. The settlement method according to claim 7, wherein the conventional settlement reform method realizes settlement of electricity and electricity charge by the steps of:
s11, under the original power utilization state, a user pays an electric charge of M to a power grid company; the corresponding selling side electricity prices during discharging and charging are P discharging and P charging respectively; the charge-discharge efficiency is eta;
s12, charging electric quantity Q through the distributed energy storage equipment, and discharging electric quantity Q;
s13, after installing micro energy storage at the user side, the user pays an electric charge M1 to the power grid according to the meter of the power grid side;
s14, the energy storage device discharges electricity to users in a time period of executing peak electricity price, peak section electricity price and flat section electricity price, the cost calculated according to electricity price appointed by a supplier, an electric user or a power generator, a power transmission and distribution electricity seller and the electric user in multiple parts in a corresponding time period is M, after the M is multiplied by a discharge settlement coefficient c, the cost actually settled is M discharge settlement (c M discharge), the energy storage device borrows user electricity in the time period of executing low valley electricity price and flat section electricity price, the M is charged according to the cost calculated according to electricity price sold by the electric network in the corresponding time period or the electricity price appointed by the two parties or the multiple parts, and after the M is multiplied by a charge settlement coefficient e, the cost actually settled is M charge settlement (e M charge);
s15, the user pays the third-party electric power operation platform according to the energy storage facility meter, wherein the payment amount is M2, namely M releasing knot-M charging knot; this is the spread revenue of the third party power operation platform;
s16, setting a difference income M2 node as M releasing node-M charging node, when c is equal to e is equal to 1, setting a difference income M2 node as M2 node as M releasing node-M charging node (pday-P charging/η) Q releasing, and the key indexes influencing the difference income are η and peak-valley price difference and initial investment of equipment;
s17, when no battery stores energy, such as a diesel generator is applied, P is 0; when the user side has battery energy storage and a diesel generator at the same time, when the diesel generator is applied, the P charge is equal to 0, and the settlement is respectively carried out.
9. The settlement method according to claim 7, wherein the virtual electricity meter settlement method realizes settlement of electricity and electricity charges by:
s21, under the original power utilization state, the user pays an electric charge of M to a power grid company; the peak and valley electrovalence are respectively P peak and P valley; the charge-discharge efficiency is eta;
s22, charging electric quantity Q through the distributed energy storage equipment, and discharging electric quantity Q;
s23, after installing micro energy storage at a user side, the user should pay the electricity fee M1 to the power grid or other power supply parties according to the electricity price counted by the power grid side meter and sold or agreed by the supplier and the power consumer or the power generator, the power transmission and distribution party and the power consumer;
s24, the energy storage device discharges electricity to a user in a time period of executing peak electricity price, peak section electricity price and flat section electricity price, the cost calculated according to electricity price appointed by a supplier and an electric user or a power generator, a power transmission and distribution party and an electric user in a corresponding time period is M, and after multiplying by a discharge settlement coefficient c, the cost actually settled is M settlement (c) M, the cost actually settled is M charge, the energy storage device borrows user electricity in a time period of executing low valley electricity price and flat section electricity price, the cost calculated according to electricity price appointed by the supplier and the electric user or the electric power generator, the power transmission and distribution party and the electric user in a corresponding time period is M charge, and after multiplying by a charge settlement coefficient e, the cost actually settled is M charge settlement (e) M charge;
s25, the user pays the actual payment fee to the power grid or other suppliers according to the virtual table M, wherein M is M1+ M2;
s26, the power grid or other suppliers pay the third-party electric power operation platform according to the energy storage facility metering meter, wherein the payment is M2, namely M releasing knot-M charging knot, which is the differential income of the third-party electric power operation platform;
s27, when c is 1, the difference income M2 is put M to put (peak-valley/η) Q to put;
and S28, settling the cost M2 between the power grid or other suppliers and the third-party electric power operation platform, namely M2 f.
10. The settlement method according to claim 7, wherein the first flat settlement method realizes settlement of the electric quantity and the electric charge by adopting the following steps:
s31, three electric meters are provided in a platform settlement mode, namely a user side electric meter M, a power grid side electric meter M1 and an energy storage electric meter M2;
s32, the energy storage facility and the meter are arranged on the power grid side of the user meter and on the load side of the power grid side electric meter;
s33, peak electricity price, peak section electricity price, flat section electricity price and valley section electricity price are respectively a tip P, a peak P, a flat P and a valley P; the charge-discharge efficiency is eta; if the charging electric quantity is Q charge, the discharging electric quantity Q discharge is Q charge eta;
s34, after installing micro energy storage facilities on a user power grid side and a power grid user side, a user pays a power fee M to a platform according to the power price of a sale side or the power price agreed by a supplier and a power consumer or a power generator, a power transmission and distribution party and the power consumer in a corresponding time period according to a user side meter; if the actual payment electric charge coefficient is f, the user actually pays the charge M to the platform as f × M;
s35, the power grid company receives the actual power selling fee M1 from the platform according to the power grid side power selling price of the time period corresponding to the power grid side meter 1 or the cost calculated by the power price agreed by the supplier, the power consumer, the power generator, the power transmission and distribution party and the power consumer, and the actual receiving coefficient is g, so that the actual receiving fee from the platform by the power grid company is M1 g M1;
s36, the energy storage device discharges electricity to a user in a time period of executing peak electricity price, peak section electricity price and flat section electricity price, the cost calculated according to the electricity price appointed by a supplier and an electric user or a power generator, a power transmission and distribution party and an electric user in a corresponding time period is M, after the M is multiplied by a discharge settlement coefficient c, the cost actually settled is M settlement (c) M, the M is discharged, the energy storage device transmits electric power to the user side by the electric network side in the time period of executing low valley electricity price and flat section electricity price, the M is charged according to the cost calculated according to the electricity price appointed by the supplier and the electric user or the power generator, the power transmission and distribution party and the electric user in the corresponding time period, and the M is charged after the M is multiplied by a charge settlement coefficient e, the cost actually settled is M charge settlement (e) M;
s37, after micro energy storage is installed on the user power grid side and the power grid user side, the user pays an electric charge of M to the third-party electric power operation platform according to the user side meter;
s38, an energy storage device meter M2 is M-M1, which is the income of the third party electric power operation platform or the comprehensive energy company;
and S39, the differential income M2 is M-M1, when f is g is 1, M2 is M put-M is (Ppeak-Pvalley/eta) Q put, and the key indexes influencing the differential income are eta and peak-valley price difference.
11. The settlement method according to claim 7, wherein the second flat settlement method is implemented by the following steps, that is, the user pays the electric network first and then pays the third party electric power operation platform:
s41, three electric meters are provided in a platform settlement mode, namely a user side electric meter M, a power grid side electric meter M1 and an energy storage electric meter M2;
s42, the energy storage facility and the meter are arranged on the power grid side of the user meter and on the load side of the power grid side electric meter;
s43, the peak electricity price, the flat electricity price and the valley electricity price are respectively a tip P, a peak P, a flat P and a valley P; the charge-discharge efficiency is eta; the charging electric quantity is Q charge, then the discharging electric quantity Q discharge ═ Q charge [. eta. ]
S44, after installing micro energy storage facilities on the user power grid side and the power grid user side, the user pays a power charge M to the power grid or the power supply according to the electricity price of the sale side or the electricity price agreed by the supplier and the power consumer or the power generator, the power transmission and distribution party and the power consumer in the corresponding time period according to the user side meter; if the actual payment electric charge coefficient is f, the user actually pays the charge M (f) to the power grid or the supplier;
s45, the power grid company receives the actual power selling fee M1 of the power grid according to the power grid side power selling price of the time period corresponding to the power grid side meter 1 or the cost calculated by the power price agreed by the supplier, the power consumer or the power generator, the power transmission and distribution party and the power consumer, and the actual receiving coefficient is g, so that the actual receiving fee of the power grid company is M1 g M1;
s46, if the meter M1 can be omitted, releasing M2 as M and charging M;
s47, the energy storage device discharges electricity to users in a time period of executing peak electricity price, peak section electricity price and flat section electricity price, the cost calculated according to electricity price appointed by a supplier and an electric user or a power generator, a power transmission and distribution party and an electric user in a corresponding time period is M, after the M is multiplied by a discharge settlement coefficient c, the cost actually settled is M settlement (c) M settlement, the energy storage device transmits electricity to the users by virtue of the power grid side in the time period of executing low valley electricity price and flat section electricity price, the M is charged according to the cost calculated according to electricity price appointed by the supplier and the electric user or the power generator, the power transmission and distribution party and the electric user in the corresponding time period, and after the M is multiplied by a charge settlement coefficient e, the cost actually settled is M charge settlement (e) M charge;
s48, the settlement cost of the power grid company or the supplier and the third-party electric power operation platform is M2-M1, when f is g is 1, M2 is M discharging-M charging, and M2 is differential income of the third-party electric power operation platform;
and S49, when f is equal to g and is equal to 1, M2 is equal to M put-M is equal to (Ppeak-Pvalley/eta) Q put, and key indexes influencing differential income are eta and peak-valley price difference.
12. The settlement method as claimed in claim 7, wherein the virtual electric meter settlement method adopts the following steps to settle the electric quantity and the electric charge, namely, the user settles the settlement with the power generation or the power grid, and the settlement with the power grid or the power generation and the third party electric power operation platform:
s1, only one charging and metering ammeter is used as a user side ammeter M in a platform settlement mode;
s2, the energy storage facility and the meter thereof are arranged on the load side of the user meter;
s3, the peak electricity price, the flat electricity price and the valley electricity price are respectively a tip P, a peak P, a flat P and a valley P; the charge-discharge efficiency is eta; if the charging electric quantity is Q charge, the discharging electric quantity Q discharge is Q charge eta;
s4, after the micro energy storage facility is installed on the user load side, the charging number displayed by the user side charging meter comprises various types: firstly, the user measures actual data M1 (namely actual electricity utilization data after the energy storage facility is installed); secondly, actual electricity utilization data of the energy storage facility; thirdly, restoring data M before the energy storage facility is not installed; fourthly, third party actual settlement data; the data comprises electric quantity and electric charge data;
s5, under the original power utilization state (no energy storage facility is installed), the user pays the electric charge to the power grid company to obtain reduction data M; the peak and valley electrovalence are respectively P peak and P valley; the charge-discharge efficiency is eta;
s6, charging electric quantity Q through the distributed energy storage equipment, and discharging electric quantity Q;
s7, after installing micro energy storage at a user side, the user needs to pay the electricity fee M1 to the power grid or other power supply parties according to the electricity fee originally installed on a power grid side meter and the sale electricity price or the electricity price agreed by the supplier and the power consumer or the power generator, the power transmission and distribution party and the power consumer;
s8, the energy storage device discharges electricity to a user in a time period of executing peak electricity price, peak section electricity price and flat section electricity price, the cost calculated according to the electricity price appointed by a supplier and an electric user or a power generator, a power transmission and distribution party and an electric user in a corresponding time period is M, and after multiplying by a discharge settlement coefficient c, the cost actually settled is M settlement (c) M discharge, the energy storage device borrows user electricity in the time period of executing low valley electricity price and flat section electricity price, the cost calculated according to the electricity price sold by the power grid side in a corresponding time period or the electricity price appointed by the supplier and the electric user or the electric power generator, the power transmission and distribution party and the electric user in a corresponding time period is M charge, and after multiplying by a charge settlement coefficient e, the cost actually settled is M charge settlement (e) M charge;
s9, a user pays the actual payment fee to the power grid or other suppliers according to a virtual table M, wherein M is M1+ M2;
s10, the power grid or other suppliers pay the third-party electric power operation platform according to the energy storage facility metering meter, wherein the payment is M2, namely M releasing knot-M charging knot, which is the differential income of the third-party electric power operation platform;
s11, when c is equal to e is equal to 1, the difference income M2 is equal to M put-M (Ppeak-Pvalley/eta) Q;
and S12, settling the cost M2 between the power grid or other suppliers and the third-party electric power operation platform, namely M2 f.
13. A statistical method for electric quantity and electric charge is characterized in that a charging platform or a charging program obtains the electric quantity of the stored energy of an energy storage power station used by a user and the actual use quantity of an electric network, and determines that the use time period of the electric quantity used by the user corresponds to a flat electricity price time period, a low valley electricity price time period or a mixed use time period of the flat electricity price time period and the low valley electricity price time period, and the distributed user energy storage electric quantity and electric charge settlement system of any one of claims 7 to 12 is used for determining the apportionment and settlement between the user and the electric network and between the user and the third party electric power operation platform.
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