CN112248868A - Novel fill electric pile power distribution system - Google Patents
Novel fill electric pile power distribution system Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/63—Monitoring or controlling charging stations in response to network capacity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/50—Charging stations characterised by energy-storage or power-generation means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/50—Charging stations characterised by energy-storage or power-generation means
- B60L53/51—Photovoltaic means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/64—Optimising energy costs, e.g. responding to electricity rates
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A novel charging pile power distribution system comprises a charging pile subsystem, a charging pile control subsystem, a charging billing module, a charging controller module and a charging power module, wherein a microgrid subsystem comprises a wind power generation module, a photovoltaic power generation module, a power storage module and a microgrid regulation and control module; the utility grid subsystem comprises a utility grid module, a power utilization load module, a utility grid power utilization estimation module, a primary electric quantity power storage module, a utility grid regulation module and a micro-grid connection module; the waste of scattered micro-grid power can be solved, and the peak clipping and valley filling of the national grid are facilitated; the charging power of each charging pile in the area is monitored, the charging power is regulated and controlled according to statistics of the utility grid electricity consumption estimation module on the electricity consumption of the user, the charging power is controlled to provide multiple charging modes for the charging user to select, the change of the charging unit price is controlled to encourage the user to charge by using full power during the electricity consumption valley, and the efficient circulation of the electric energy of the utility grid is maintained.
Description
Technical Field
The invention relates to the technical field of charging of electric automobiles, in particular to a novel charging pile power distribution system.
Background
The electric vehicle (BEV) is a vehicle which takes a vehicle-mounted power supply as power and drives wheels by a motor, and meets various requirements of road traffic and safety regulations. Because the influence on the environment is smaller than that of the traditional automobile, the prospect is widely seen. Electric automobiles need to be charged with electric piles to supplement electric energy, a few of electric automobiles cannot bring great influence to a power grid when being charged, but due to the supporting strength of the countries to the electric automobiles in recent years, the using amount of the electric automobiles is greatly increased, the expected quantity of the electric automobiles in China in 2030 year reaches 6000 million, and if the electric automobiles are charged simultaneously, the peak power reaches 5 hundred million kilowatts, so that the load of the power grid is too large, and particularly, the stable operation of the power grid cannot be ensured in the peak period of power consumption in summer or winter.
With the development of technology and economy in China and the increasing concern on energy conservation and emission reduction, the construction of a microgrid is greatly supported by the nation, the microgrid is a power network integrating power generation, power distribution and power utilization, the microgrid mainly takes photovoltaic power generation and wind power generation as main components, and a power utilization load is connected with energy storage equipment.
The invention provides a novel charging pile power distribution system which is used for planning the power distribution rationality of a national power grid in the periods of low power consumption and high power consumption while distributing a micro power grid in a collective mode, so that the national power distribution grid tends to be rationalized while electric automobiles are popularized, and the popularization of charging piles for the electric automobiles is greatly supported.
Disclosure of Invention
A novel charging pile power distribution system, comprising: the system comprises a charging pile subsystem, a micro-grid subsystem and a municipal power grid subsystem; the charging pile subsystem comprises a charging pile main control module, a charging pile controlled module, a charging billing module, a charging controller module and a charging power supply module, wherein the charging billing module, the charging controller module and the charging power supply module are sequentially connected, the charging power supply module is connected with the charging pile main control module, and the charging pile main control module is connected with the charging pile controlled module; the micro-grid subsystem comprises a wind power generation module, a photovoltaic power generation module, an electricity storage module and a micro-grid regulation and control module, wherein the wind power generation module and the photovoltaic power generation module are both connected with the electricity storage module, and the electricity storage module is connected with the micro-grid regulation and control module; the utility grid subsystem comprises a utility grid module, a power utilization load module, a utility grid power utilization estimation module, a primary electric quantity power storage module, a utility grid regulation and control module and a micro-grid connection module, wherein the utility grid module is respectively connected with the utility grid regulation and control module and the micro-grid connection module;
the charging pile main control module is used for collecting actual charging power data of each charging pile in an area and obtaining real-time charging pile total power according to the actual charging power data of the charging piles;
the charging pile controlled module comprises a plurality of charging piles in an area and is used for charging the electric automobile;
the charging billing module is used for calculating charging cost according to the charging mode and the charging amount of each charging pile;
the charging controller module forms a control instruction according to the selection of the user in the charging billing module to control the charging power of the charging power supply module corresponding to each charging pile;
the charging power supply module adjusts charging power by receiving an instruction of the charging controller module so that the corresponding charging pile charges the electric automobile;
the wind power generation module and the photovoltaic power generation module are respectively used for wind power generation and photovoltaic power generation;
the electricity storage module is used for storing electric energy generated by the wind power generation module and the photovoltaic power generation module;
the microgrid control module is used for determining that the electricity storage module is connected with the primary electricity storage module or the microgrid grid-connected module according to the residual electricity of the electricity storage module, when the electricity storage module stores more energy, the electricity storage module transmits electric energy to the microgrid grid-connected module, namely, the redundant electricity of the microgrid is merged into the utility grid, when the electricity storage module stores less energy, the electricity in the primary electricity storage module is rectified and pressed through an inverter and then charges the electricity storage module (the redundant electricity in the low-peak electricity utilization period of the utility grid is stored in the microgrid to supply the household or small-area electricity utilization requirement, simultaneously, the charge burden of the utility grid is reduced, the electricity can be timely supplemented in the high-peak electricity utilization period of the utility grid, and the power supply capacity of the utility grid is improved as much as possible;
the city power grid module is transmitted to each power supply station through a national power grid and a transformer;
the power utilization load module is connected with a power supply station, and the power supply station supplies power to each power consumer;
the utility grid electricity utilization estimation module is used for generating an electricity utilization trend curve through statistics of electricity utilization time periods and electricity consumption of different power consumers and updating in real time according to real-time monitoring data;
the primary electric quantity electricity storage module stores redundant electric quantity in the commercial power grid in the electricity utilization valley period;
the utility grid regulation and control module distributes electric quantity to the lower module according to data statistics in the utility grid electricity utilization estimation module;
the micro-grid-connected module is used for rectifying the electric energy in the micro-grid subsystem electric storage module through the inverter and then merging the electric energy into the commercial power grid.
According to the novel charging pile power distribution system, the charging pile subsystem is directly connected with the municipal power grid subsystem and indirectly connected with the micro-grid subsystem, and redundant electric energy dispersed in the micro-grid subsystem is collected into the municipal power grid, so that the peak clipping and valley filling functions of a national power grid are realized; moreover, the charging pile subsystem realizes multiple charging modes according to the selection of a user on the charging machine charge mode by setting the charging pile main control module and the charging controller module, so that different charging standards of subareas and different time periods are implemented according to the characteristics of the power consumption peak period and the power consumption valley period of the urban power grid, and the charging pile user of the electric automobile is encouraged to adjust the charging time of the user by reducing the power consumption price of the power consumption valley period, so that the power supply capacity of the urban power grid can be maintained stable on the basis of reducing the charging cost of the user, and the function of peak clipping and valley filling is realized.
Preferably, the novel charging pile power distribution system further comprises a charging operation module and an instruction input module, wherein the instruction input module is connected with the charging operation module, and the charging operation module is respectively connected with a charging billing module and a municipal power grid electricity consumption estimation module;
the instruction input module displays a plurality of charging modes for a user to select, each charging mode corresponds to a pre-estimated value of the total charging time and the total charging price, and the charging unit price amounts corresponding to different charging modes are different;
the charging operation module stores a plurality of different charging modes, charging formulas corresponding to the charging modes and charging time formulas; according to the real-time data and the estimated data monitored by the utility grid electricity utilization estimation module, the charging price is updated regularly according to the electricity storage quantity of the current utility grid and the electricity consumption of the user load (however, the floating of the charging price is not too large, the updating frequency is not too frequent, otherwise, the estimated amount displayed by the instruction input module is greatly different, and the rights and interests of the user are damaged).
Preferably, novel fill electric pile power distribution system, including three kinds of charging modes in the operation module of charging: A. the high-power charging mode is used for charging in the highest charging mode under the conditions that the total charging power of all charging piles in an area is not more than the rated power of a transformer and electric vehicles and the charging piles are allowed, if the utility grid is in the peak period of power utilization, the price of electricity per degree is X1 yuan, if the utility grid is in the valley period of power utilization, the price of electricity per degree is Y1 yuan, and X1 > Y1; B. the low-power charging mode is used for charging in a low-power charging mode, the price per degree of electricity in a power utilization peak period is X2 yuan, the price per degree of electricity in a power utilization high and low valley period is Y2 yuan, the X2 & lt Y2 & gt C and jump power charging mode is used for charging with low power in the power utilization peak period and the price per degree of electricity is X3 yuan, the power utilization low and high power charging is Y3 yuan, the X3 & lt X1 & lt X2 & gt, the Y3 & lt Y1 & gt and Y2, and X1-X3 and Y1-Y3 are all larger than 0.
Preferably, the novel charging pile power distribution system needs to compare the actual charging total price with the estimated value calculated in the instruction input module in the charging billing module, when the actual charging total price is less than or equal to the estimated charging fee, the user needs to pay the actual charging total price, when the actual charging total price is greater than the estimated charging fee, the user needs to pay the total sum of the actual charging total price and the difference percentage, and the difference percentage is equal to 20% -80% of the difference between the actual charging fee and the estimated charging fee.
Preferably, novel fill electric pile power distribution system, it still includes second grade electricity storage module to fill the electric pile subsystem, second grade electricity storage module respectively with municipal power grid regulation and control module, charging source module are connected, second grade electricity storage module is used for storing the electric energy from municipal power grid module at the power consumption low ebb hour for fill the reserve energy that electric pile charges.
Description of the drawings:
the embodiments are further described with reference to the accompanying drawings, in which:
fig. 1 is a schematic diagram of a novel charging pile power distribution system connection according to the present invention;
the following detailed description will further illustrate the invention in conjunction with the above-described figures.
Detailed Description
Specific embodiment example 1:
a novel charging pile power distribution system, comprising: the system comprises a charging pile subsystem, a micro-grid subsystem and a municipal power grid subsystem; the charging pile subsystem comprises a charging pile main control module, a charging pile controlled module, a charging billing module, a charging controller module and a charging power supply module, wherein the charging billing module, the charging controller module and the charging power supply module are sequentially connected, the charging power supply module is connected with the charging pile main control module, and the charging pile main control module is connected with the charging pile controlled module; the micro-grid subsystem comprises a wind power generation module, a photovoltaic power generation module, an electricity storage module and a micro-grid regulation and control module, wherein the wind power generation module and the photovoltaic power generation module are both connected with the electricity storage module, and the electricity storage module is connected with the micro-grid regulation and control module; the utility grid subsystem comprises a utility grid module, a power utilization load module, a utility grid power utilization estimation module, a primary electric quantity power storage module, a utility grid regulation and control module and a micro-grid connection module, wherein the utility grid module is respectively connected with the utility grid regulation and control module and the micro-grid connection module;
the charging pile main control module is used for collecting actual charging power data of each charging pile in an area and obtaining real-time charging pile total power according to the actual charging power data of the charging piles;
the charging pile controlled module comprises a plurality of charging piles in an area and is used for charging the electric automobile;
the charging billing module is used for calculating charging cost according to the charging mode and the charging amount of each charging pile;
the charging controller module forms a control instruction according to the selection of the user in the charging billing module to control the charging power of the charging power supply module corresponding to each charging pile;
the charging power supply module adjusts charging power by receiving an instruction of the charging controller module so that the corresponding charging pile charges the electric automobile;
the wind power generation module and the photovoltaic power generation module are respectively used for wind power generation and photovoltaic power generation;
the electricity storage module is used for storing electric energy generated by the wind power generation module and the photovoltaic power generation module;
the microgrid control module is used for determining that the electricity storage module is connected with the primary electricity storage module or the microgrid grid-connected module according to the residual electricity of the electricity storage module, when the electricity storage module stores more energy, the electricity storage module transmits electric energy to the microgrid grid-connected module, namely, the redundant electricity of the microgrid is merged into the utility grid, when the electricity storage module stores less energy, the electricity in the primary electricity storage module is rectified and pressed through an inverter and then charges the electricity storage module (the redundant electricity in the low-peak electricity utilization period of the utility grid is stored in the microgrid to supply the household or small-area electricity utilization requirement, simultaneously, the charge burden of the utility grid is reduced, the electricity can be timely supplemented in the high-peak electricity utilization period of the utility grid, and the power supply capacity of the utility grid is improved as much as possible;
the city power grid module is transmitted to each power supply station through a national power grid and a transformer;
the power utilization load module is connected with a power supply station, and the power supply station supplies power to each power consumer;
the utility grid electricity utilization estimation module is used for generating an electricity utilization trend curve through statistics of electricity utilization time periods and electricity consumption of different power consumers and updating in real time according to real-time monitoring data;
the primary electric quantity electricity storage module stores redundant electric quantity in the commercial power grid in the electricity utilization valley period;
the utility grid regulation and control module distributes electric quantity to the lower module according to data statistics in the utility grid electricity utilization estimation module;
the micro-grid-connected module is used for rectifying the electric energy in the micro-grid subsystem electric storage module through the inverter and then merging the electric energy into the commercial power grid.
According to the novel charging pile power distribution system, the charging pile subsystem is directly connected with the municipal power grid subsystem and indirectly connected with the micro-grid subsystem, and redundant electric energy dispersed in the micro-grid subsystem is collected into the municipal power grid, so that the peak clipping and valley filling functions of a national power grid are realized; moreover, the charging pile subsystem realizes multiple charging modes according to the selection of a user on the charging machine charge mode by setting the charging pile main control module and the charging controller module, so that different charging standards of subareas and different time periods are implemented according to the characteristics of the power consumption peak period and the power consumption valley period of the urban power grid, and the charging pile user of the electric automobile is encouraged to adjust the charging time of the user by reducing the power consumption price of the power consumption valley period, so that the power supply capacity of the urban power grid can be maintained stable on the basis of reducing the charging cost of the user, and the function of peak clipping and valley filling is realized.
Furthermore, the charging pile subsystem further comprises a charging operation module and an instruction input module, wherein the instruction input module is connected with the charging operation module, and the charging operation module is respectively connected with a charging billing module and a municipal power grid electricity consumption estimation module;
the instruction input module displays a plurality of charging modes for a user to select, each charging mode corresponds to a pre-estimated value of the total charging time and the total charging price, and the charging unit price amounts corresponding to different charging modes are different;
the charging operation module stores a plurality of different charging modes, charging formulas corresponding to the charging modes and charging time formulas; according to the real-time data and the estimated data monitored by the utility grid electricity utilization estimation module, the charging price is updated regularly according to the electricity storage quantity of the current utility grid and the electricity consumption of the user load (however, the floating of the charging price is not too large, the updating frequency is not too frequent, otherwise, the estimated amount displayed by the instruction input module is greatly different, and the rights and interests of the user are damaged).
Further, the charging operation module includes three charging modes: A. the high-power charging mode is used for charging in the highest charging mode under the conditions that the total charging power of all charging piles in the region is not more than the rated power of the transformer and the electric automobile and the charging piles are allowed, if the power consumption peak period of the municipal power grid is in the current peak period, the price of electricity per degree is 1.1 yuan, and if the power consumption peak period of the municipal power grid is in the current valley period, the price of electricity per degree is 0.9 yuan, and X1 > Y1; B. and a low power charging mode, wherein the charging is performed in a low charging mode, the price per degree of electricity in the electricity utilization peak period is 0.8 yuan, the price per degree of electricity in the electricity utilization peak period is 0.9 yuan, the X2 < Y2, the C and jump power charging mode performs the low power charging in the electricity utilization peak period and the price per degree of electricity is 0.7 yuan, and the charging is performed in the electricity utilization valley period and the price per degree of electricity is 0.7 yuan.
Furthermore, the instruction input module is connected with the charging operation module, the charging billing module needs to compare the actual total charging price with the estimated value calculated by the instruction input module, when the actual total charging price is less than or equal to the estimated charging fee, the user needs to pay the actual total charging price, when the actual total charging price is greater than the estimated charging fee, the user needs to pay the total sum of the actual total charging price and the difference percentage, and the difference percentage is equal to 20% or 40% or 65% or 80% of the difference between the actual charging fee and the estimated charging fee.
Optionally, the charging pile subsystem further comprises a secondary electricity storage module, the secondary electricity storage module is respectively connected with the municipal power grid regulation and control module and the charging power supply module, and the secondary electricity storage module is used for storing electric energy from the municipal power grid module in the electricity utilization off-peak period and is used for storing reserve energy for charging the charging pile.
The novel charging pile power distribution system provided by the invention has the following advantages: the system intelligently allocates the electric quantity between the two power supply subsystems through the trend statistics of the electric quantity consumed by users between the national power grid and the micro power grid, so that the phenomenon of scattered micro power grid electric quantity waste can be solved, and the peak clipping and valley filling of the national power grid can be favorably implemented through the charging and discharging process of the electricity storage module; the charging method comprises the steps that charging power of each charging pile in an area is monitored in a charging pile subsystem to obtain data of total charging power, distribution quantity of the charging pile subsystem is regulated and controlled according to statistics of a utility grid electricity consumption estimation module in the utility grid subsystem on electricity consumption of a user, various charging modes are provided for a charging user by controlling charging power of a charging power supply module to be selected by the user, the user is encouraged to adopt full power for charging in a low-ebb period by controlling change of charging unit price, charging is rapidly finished, long time of the charging pile is avoided, efficient circulation of electric energy of the utility grid can be maintained on the basis of improvement of charging efficiency, and the effects of peak clipping and valley filling are achieved.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (5)
1. The utility model provides a novel fill electric pile power distribution system which characterized in that: the system comprises a charging pile subsystem, a micro-grid subsystem and a municipal power grid subsystem; the charging pile subsystem comprises a charging pile main control module, a charging pile controlled module, a charging billing module, a charging controller module and a charging power supply module, wherein the charging billing module, the charging controller module and the charging power supply module are sequentially connected, the charging power supply module is connected with the charging pile main control module, and the charging pile main control module is connected with the charging pile controlled module; the micro-grid subsystem comprises a wind power generation module, a photovoltaic power generation module, an electricity storage module and a micro-grid regulation and control module, wherein the wind power generation module and the photovoltaic power generation module are both connected with the electricity storage module, and the electricity storage module is connected with the micro-grid regulation and control module; the utility grid subsystem comprises a utility grid module, a power utilization load module, a utility grid power utilization estimation module, a primary electric quantity power storage module, a utility grid regulation and control module and a micro-grid connection module, wherein the utility grid module is respectively connected with the utility grid regulation and control module and the micro-grid connection module;
the charging pile main control module is used for collecting actual charging power data of each charging pile in an area and obtaining real-time charging pile total power according to the actual charging power data of the charging piles;
the charging pile controlled module comprises a plurality of charging piles in an area and is used for charging the electric automobile;
the charging billing module is used for calculating charging cost according to the charging mode and the charging amount of each charging pile;
the charging controller module forms a control instruction according to the selection of the user in the charging billing module to control the charging power of the charging power supply module corresponding to each charging pile;
the charging power supply module adjusts charging power by receiving an instruction of the charging controller module so that the corresponding charging pile charges the electric automobile;
the wind power generation module and the photovoltaic power generation module are respectively used for wind power generation and photovoltaic power generation;
the electricity storage module is used for storing electric energy generated by the wind power generation module and the photovoltaic power generation module;
the microgrid control module is used for determining the connection of the electricity storage module and the primary electricity storage module or the microgrid grid-connected module according to the residual electricity quantity of the electricity storage module, when the electricity storage module stores more energy, the electricity storage module transmits electric energy to the microgrid grid-connected module, namely, the residual electricity quantity of the microgrid is merged into a commercial power grid, and when the electricity storage module stores less energy, the electricity quantity in the primary electricity storage module is rectified and regulated through an inverter and then charges the electricity storage module;
the city power grid module is transmitted to each power supply station through a national power grid and a transformer;
the power utilization load module is connected with a power supply station, and the power supply station supplies power to each power consumer;
the utility grid electricity utilization estimation module is used for generating an electricity utilization trend curve through statistics of electricity utilization time periods and electricity consumption of different power consumers and updating in real time according to real-time monitoring data;
the primary electric quantity electricity storage module stores redundant electric quantity in the commercial power grid in the electricity utilization valley period;
the utility grid regulation and control module distributes electric quantity to the lower module according to data statistics in the utility grid electricity utilization estimation module;
the micro-grid-connected module is used for rectifying the electric energy in the micro-grid subsystem electric storage module through the inverter and then merging the electric energy into the commercial power grid.
2. The novel charging pile power distribution system of claim 1, wherein: the charging pile subsystem further comprises a charging operation module and an instruction input module, wherein the instruction input module is connected with the charging operation module, and the charging operation module is respectively connected with a charging billing module and a municipal power grid electricity consumption estimation module;
the instruction input module displays a plurality of charging modes for a user to select, each charging mode corresponds to a pre-estimated value of the total charging time and the total charging price, and the charging unit price amounts corresponding to different charging modes are different;
the charging operation module stores a plurality of different charging modes, charging formulas corresponding to the charging modes and charging time formulas; and updating the charging price periodically according to the real-time data and the estimated data monitored by the utility grid electricity utilization estimation module and the electricity storage quantity of the current utility grid and the electricity consumption quantity of the user load.
3. The novel charging pile power distribution system of claim 2, wherein: the charging operation module comprises three charging modes: A. the high-power charging mode is used for charging in the highest charging mode under the conditions that the total charging power of all charging piles in an area is not more than the rated power of a transformer and electric vehicles and the charging piles are allowed, if the utility grid is in the peak period of power utilization, the price of electricity per degree is X1 yuan, if the utility grid is in the valley period of power utilization, the price of electricity per degree is Y1 yuan, and X1 > Y1; B. the low-power charging mode is used for charging in a low-power charging mode, the price per degree of electricity in a power utilization peak period is X2 yuan, the price per degree of electricity in a power utilization high and low valley period is Y2 yuan, the X2 & lt Y2 & gt C and jump power charging mode is used for charging with low power in the power utilization peak period and the price per degree of electricity is X3 yuan, the power utilization low and high power charging is Y3 yuan, the X3 & lt X1 & lt X2 & gt, the Y3 & lt Y1 & gt and Y2, and X1-X3 and Y1-Y3 are all larger than 0.
4. The novel charging pile power distribution system of claim 2, wherein: the charging and billing module needs to compare the actual total charging price with the estimated total charging price calculated by the instruction input module, when the actual total charging price is less than or equal to the estimated charging fee, the user needs to pay the actual total charging price, and when the actual total charging price is greater than the estimated charging fee, the user needs to pay the total sum of the actual total charging price and the difference percentage, wherein the difference percentage is equal to 20% -80% of the difference between the actual charging fee and the estimated charging fee.
5. The novel charging pile power distribution system of claim 1, wherein: the charging pile subsystem further comprises a secondary electricity storage module, the secondary electricity storage module is respectively connected with the municipal power grid regulation and control module and the charging power supply module, and the secondary electricity storage module is used for storing electric energy from the municipal power grid module in the electricity utilization off-peak period and is used for storing reserve energy for charging the charging pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010877717.XA CN112248868B (en) | 2020-08-27 | 2020-08-27 | Novel fill electric pile power distribution system |
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| CN101781941A (en) * | 2009-11-06 | 2010-07-21 | 深圳市新天光电科技有限公司 | Solar parking shed capable of charging automobiles |
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| CN105391128A (en) * | 2015-12-06 | 2016-03-09 | 科大智能电气技术有限公司 | Ordered control based household charging pile network and ordered charging control method thereof |
| CN105515083A (en) * | 2015-08-20 | 2016-04-20 | 樊朝晖 | Electric vehicle group charging microgrid control method supporting secure dynamic capacity-increase |
| CN109428324A (en) * | 2017-09-04 | 2019-03-05 | 深圳桑达国际电源科技有限公司 | Highway chain type micro-grid system |
| CN109713697A (en) * | 2018-12-26 | 2019-05-03 | 深圳供电局有限公司 | Micro-grid central controller and power distribution method thereof |
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| CN101781941A (en) * | 2009-11-06 | 2010-07-21 | 深圳市新天光电科技有限公司 | Solar parking shed capable of charging automobiles |
| CN103647274A (en) * | 2013-11-26 | 2014-03-19 | 中国西电电气股份有限公司 | Micro-grid system being capable of grid-connected and off-grid operation, and energy control method |
| CN105515083A (en) * | 2015-08-20 | 2016-04-20 | 樊朝晖 | Electric vehicle group charging microgrid control method supporting secure dynamic capacity-increase |
| CN105391128A (en) * | 2015-12-06 | 2016-03-09 | 科大智能电气技术有限公司 | Ordered control based household charging pile network and ordered charging control method thereof |
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Address after: Building 2, No. 5 Shuangjing Street, Suzhou Industrial Park, Suzhou City, Jiangsu Province, 215000 Patentee after: Fusheng New Energy Vehicle Charging Technology (Suzhou) Co.,Ltd. Address before: Building 2, No. 5, Shuangjing street, Suzhou Industrial Park, Wuzhong District, Suzhou City, Jiangsu Province Patentee before: Fusheng voorbox new energy vehicle charging technology (Suzhou) Co.,Ltd. |