CN108879780A - Micro-capacitance sensor is filled in grid control method, micro grid control system and light storage - Google Patents
Micro-capacitance sensor is filled in grid control method, micro grid control system and light storage Download PDFInfo
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- CN108879780A CN108879780A CN201810851287.7A CN201810851287A CN108879780A CN 108879780 A CN108879780 A CN 108879780A CN 201810851287 A CN201810851287 A CN 201810851287A CN 108879780 A CN108879780 A CN 108879780A
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- 238000000034 method Methods 0.000 title claims abstract description 54
- 238000003860 storage Methods 0.000 title claims abstract description 44
- 238000004146 energy storage Methods 0.000 claims abstract description 107
- 230000005611 electricity Effects 0.000 claims abstract description 28
- 238000004891 communication Methods 0.000 claims description 18
- 230000006870 function Effects 0.000 claims description 11
- 238000010248 power generation Methods 0.000 claims description 9
- 238000004590 computer program Methods 0.000 claims description 7
- 230000001939 inductive effect Effects 0.000 claims description 6
- 230000006698 induction Effects 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 claims description 2
- 230000014759 maintenance of location Effects 0.000 abstract description 2
- 238000009825 accumulation Methods 0.000 description 10
- 238000005070 sampling Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
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- H02J3/383—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/388—Islanding, i.e. disconnection of local power supply from the network
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The present invention provides the storages of a kind of grid control method, micro grid control system and light to fill micro-capacitance sensor, the method includes：Judge micro-grid system whether normal operation；If micro-grid system operates normally, whether judgement is current is in grid-connected state；If being currently at grid-connected state, judge whether the generated output of photovoltaic generating system is more than or equal to the demand power of load；If the generated output of photovoltaic generating system is more than or equal to the demand power of load, control battery management system forbids energy-storage battery to discharge, it controls photovoltaic generating system and provides electricity to load, and remaining capacity is filled with energy-storage battery, having reached can be according to the relationship between the working condition of micro-capacitance sensor and the generated output of photovoltaic generating system and the demand power of load, the output power for controlling photovoltaic generating system and energy-storage battery, realizes the technical effect of the output of each power supply point best power.
Description
Technical field
The present invention relates to micro-capacitance sensor technical fields, more particularly, to a kind of grid control method, micro grid control system
And micro-capacitance sensor is filled in light storage.
Background technique
Due to the dual-pressure of environmental protection and lack of energy, us is forced to greatly develop clean renewable energy.It is high
Development potentiality and the interests space for imitating distributed energy industrial (cogeneration) are huge, on the spot using distributed generation resource and load
Controller realizes the control of micro-capacitance sensor transient state, and micro-capacitance sensor concentrates Energy Management System to realize stable state safe and economical operation analysis.
Micro-capacitance sensor refers to by distributed generation resource, energy storage device, energy conversion device, associated loadings and monitoring, protective device
Small-sized electric system made of collecting.Power supply in micro-capacitance sensor is mostly the lesser distributed generation resource of capacity, i.e., containing electric power electricity
The small unit of sub-interface, including miniature gas turbine, fuel cell, photovoltaic cell, small-sized wind power generator group and super
The energy storage devices such as capacitor, flywheel and battery.
However, micro-capacitance sensor intelligent level is not high at present, operation reserve is single, and using energy source level is lower.
Summary of the invention
In view of this, the purpose of the present invention is to provide the storages of a kind of grid control method, micro grid control system and light
Micro-capacitance sensor is filled, not high to alleviate current micro-capacitance sensor intelligent level existing in the prior art, operation reserve is single, using energy source
Horizontal lower technical problem.
In a first aspect, the embodiment of the invention provides a kind of grid control methods, including：
Judge micro-grid system whether normal operation；
If micro-grid system operates normally, whether judgement is current is in grid-connected state；
If being currently at grid-connected state, judge whether the generated output of photovoltaic generating system is more than or equal to load
Demand power；
If the generated output of photovoltaic generating system is more than or equal to the demand power of load, control battery management system is prohibited
Only energy-storage battery discharges, and control photovoltaic generating system provides electricity to load, and remaining capacity is filled with energy-storage battery.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein institute
The method of stating further includes：
If the generated output of photovoltaic generating system is less than the demand power of load, the generated output of photovoltaic generating system is judged
With the storage power of energy-storage battery and whether be more than or equal to load demand power；
If the sum of the storage power of the generated output and energy-storage battery of photovoltaic generating system is more than or equal to the need of load
Power is sought, judges whether current time is located in default photovoltaic acquisition time section；
If current time is located in default photovoltaic acquisition time section, control photovoltaic generating system exports all power generations to load
Power, and dump energy is stored to energy-storage battery.
With reference to first aspect, the embodiment of the invention provides second of possible embodiments of first aspect, wherein institute
The method of stating further includes：
If current time is not located in default photovoltaic acquisition time section, judge the storage power of energy-storage battery whether be greater than or
Person is equal to the demand power of load；
If the storage power of energy-storage battery is more than or equal to the demand power of load, control energy-storage battery is provided to load
Electric energy, and mains supply is enabled to wait to load supplementary power；
If the storage power of energy-storage battery be less than load demand power, control mains supply to load supplementary power, with
Make demand power of the sum of the output power of mains supply and the storage power of energy-storage battery equal to load.
With reference to first aspect, the embodiment of the invention provides the third possible embodiments of first aspect, wherein institute
The method of stating further includes：
If the sum of the storage power of the generated output and energy-storage battery of photovoltaic generating system is less than the demand power of load, control
Mains supply processed is load supplementary power, so that the generated output of the output power of mains supply, photovoltaic generating system and energy storage
Demand power of the sum of the storage power of battery equal to load.
With reference to first aspect, the embodiment of the invention provides the 4th kind of possible embodiments of first aspect, wherein institute
The method of stating further includes：
If being currently at off-grid operation state, judge whether the generated output of photovoltaic generating system is greater than the demand function of load
Rate；
If the generated output of photovoltaic generating system is greater than the demand power of load, the generated output of photovoltaic generating system is judged
Whether be greater than energy-storage battery dump power and load demand power and；
If the generated output of photovoltaic generating system be greater than energy-storage battery dump power and load demand power and,
Energy-storage battery is forbidden to discharge, control photovoltaic generating system provides electricity to load, and remaining capacity is filled with energy-storage battery.
With reference to first aspect, the embodiment of the invention provides the 5th kind of possible embodiments of first aspect, wherein institute
The method of stating further includes：
If the generated output of photovoltaic generating system is less than the demand power of load, energy-storage battery is allowed to discharge；
It controls energy-storage battery and provides electricity to load, the electricity is equal to the demand power and photovoltaic generating system loaded
The difference of generated output.
With reference to first aspect, the embodiment of the invention provides the 6th kind of possible embodiments of first aspect, wherein if
Micro-grid system abnormal running, control separation net switch switch motion, switch to passive off-network for grid-connected；
The step of whether generated output for judging photovoltaic generating system is greater than the demand power of load executed.
Second aspect, the embodiment of the present invention also provides a kind of micro grid control system, including memory, processor, described
The computer program that can be run on the processor is stored in memory, when the processor executes the computer program
The step of realizing method described in above-mentioned first aspect.
The third aspect, the embodiment of the present invention also provide a kind of storage of light and fill micro-capacitance sensor, including：Photovoltaic generating system, energy storage are inverse
Change system, the load being connect with mains supply, for switch and off-network state and off-network switching switch, communication manager and such as
Micro grid control system described in second aspect；
The photovoltaic generating system is connect with the energy storage inversion system by DC bus, and the photovoltaic generating system is logical
It crosses the DC bus and conveys direct current to the energy storage inversion system；
The energy storage inversion system is connect with the load by ac bus, and the energy storage inversion system is by the direct current
Electricity is converted into alternating current, and the alternating current is conveyed to load by the ac bus；
First connecting pin of described and off-network switching switch is connect with the ac bus, described and off-network switching switch
Second connection end is connect with mains supply, and described and off-network switching switch is communicated to connect with the energy storage inversion system；
The communication manager and the micro grid control system communicate to connect, and the communication manager induction is through overload
On electric signal, the inductive signal sensed is sent to the micro grid control system；
The micro grid control system and the energy storage inversion system communicate to connect, and the micro grid control system will be described
Inductive signal is sent to the energy storage inversion system, so that the energy storage inversion system adjusts the electricity to the load output.
Fourth aspect, the embodiment of the present invention also provide a kind of meter of non-volatile program code that can be performed with processor
Calculation machine readable medium, said program code make the processor execute first aspect the method.
The embodiment of the present invention brings following beneficial effect：The embodiment of the present invention is by judging whether micro-grid system is normal
Operation；If micro-grid system operates normally, whether judgement is current is in grid-connected state；If being currently at the shape that is incorporated into the power networks
State, judges whether the generated output of photovoltaic generating system is more than or equal to the demand power of load；If photovoltaic generating system
Generated output is more than or equal to the demand power of load, can control battery management system and energy-storage battery is forbidden to discharge, and can
Electricity is provided to control photovoltaic generating system to load, and remaining capacity can be filled with energy-storage battery.
The embodiment of the present invention can be according to the working condition of micro-capacitance sensor and the generated output of photovoltaic generating system and load
Demand power between relationship, control the output power of photovoltaic generating system and energy-storage battery, realize the best function of each power supply point
The output of rate.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification, claims
And specifically noted structure is achieved and obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of a kind of flow chart of grid control method provided in an embodiment of the present invention；
Fig. 2 is a kind of another flow chart of grid control method provided in an embodiment of the present invention；
Fig. 3 is the structure chart that micro-capacitance sensor is filled in a kind of light storage provided in an embodiment of the present invention；
Fig. 4 is the structure chart of provided in an embodiment of the present invention and off-network switching switch.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Currently, micro-capacitance sensor intelligent level is not high, operation reserve is single, and using energy source level is lower.It is of the invention based on this
Micro-capacitance sensor is filled in a kind of grid control method, micro grid control system and the light storage that embodiment provides, can be according to micro-capacitance sensor
Relationship between the demand power of the generated output and load of working condition and photovoltaic generating system controls photovoltaic generating system
And the output power of energy-storage battery, it realizes the output of each power supply point best power namely preferentially utilizes photovoltaic daytime, secondly utilize
Alternating current does not utilize energy-storage battery；Night preferentially utilizes energy-storage battery, secondly utilizes alternating current, and power grid can be to battery when electric power low ebb
Charging.
For convenient for understanding the present embodiment, first to a kind of grid control method disclosed in the embodiment of the present invention
It describes in detail, as shown in Figure 1, the grid control method may comprise steps of：
Step S101 judges micro-grid system whether normal operation；
Step S102, if micro-grid system operates normally, whether judgement is current is in grid-connected state；
In embodiments of the present invention, can be judged by way of judging whether grid-connected switch is closed current whether in simultaneously
Running State, grid-connected to close the switch as being incorporated into the power networks, it is off-grid operation that grid-connected switch, which disconnects,.
Step S103, if being currently at grid-connected state, judge the generated output of photovoltaic generating system whether be greater than or
Person is equal to the demand power of load；
In embodiments of the present invention, it can judge whether the generated output of photovoltaic generating system is greater than according to sense of current
Or the demand power equal to load, namely judge power flow direction.If grid entry point detects power network current flow direction load,
Photovoltaic generation power is less than bearing power, if detecting, photovoltaic side electric current flows to public electric wire net, photovoltaic hair by grid-connected switch
Electrical power is greater than bearing power.
Step S104 controls battery if the generated output of photovoltaic generating system is more than or equal to the demand power of load
Management system forbids energy-storage battery to discharge, and control photovoltaic generating system provides electricity to load, and remaining capacity is filled with energy storage
Battery.
In practical applications, load does not dissolve photovoltaic electricity, can automatically flow into energy-storage battery, and energy-storage battery is full of it
Afterwards, just anti-public electric wire net can be given.
The embodiment of the present invention is by judging micro-grid system whether normal operation；If micro-grid system operates normally, judgement
It is current whether to be in grid-connected state；If being currently at grid-connected state, judge that the generated output of photovoltaic generating system is
The no demand power for being more than or equal to load；If the generated output of photovoltaic generating system is more than or equal to the demand function of load
Rate can control battery management system and energy-storage battery forbidden to discharge, and can control photovoltaic generating system and provide electricity to load,
And remaining capacity can be filled with energy-storage battery.
The embodiment of the present invention can be according to the working condition of micro-capacitance sensor and the generated output of photovoltaic generating system and load
Demand power between relationship, control the output power of photovoltaic generating system and energy-storage battery, realize the best function of each power supply point
The output of rate.
In another embodiment of the present invention, as shown in Figure 1, the method also includes：
Step S105 judges photovoltaic generating system if the generated output of photovoltaic generating system is less than the demand power of load
Generated output and energy-storage battery storage power and whether be more than or equal to load demand power；
In practical applications, energy-storage battery itself can detect internal stored charge value, and can show
Charge value can acquire this numerical value by acquisition equipment and pass to communication management system progress logical process, obtain energy storage electricity
The storage power in pond.
Step S106, if the sum of the storage power of the generated output and energy-storage battery of photovoltaic generating system is more than or equal to
The demand power of load, judges whether current time is located in default photovoltaic acquisition time section；
Step S107, if current time is located in default photovoltaic acquisition time section, control photovoltaic generating system is defeated to loading
Whole generated outputs out, and dump energy is stored to energy-storage battery.
In embodiments of the present invention, during photovoltaic power generation on daytime, battery is not powered only storage, because of peak times of power consumption on daytime
Price is higher, energy-storage battery is used at night, so daytime is stored using photovoltaic power generation.
In another embodiment of the present invention, as shown in Figure 1, the method also includes：
Step S108 judges the storage power of energy-storage battery if current time is not located in default photovoltaic acquisition time section
Whether the demand power of load is more than or equal to；
Step S109 controls energy-storage battery if the storage power of energy-storage battery is more than or equal to the demand power of load
Electric energy is provided to load, and mains supply is enabled to wait to load supplementary power；
Step S110, if the storage power of energy-storage battery is less than the demand power of load, control mains supply is mended to load
Power supply is filled, so that demand power of the sum of the storage power of the output power and energy-storage battery of mains supply equal to load.
Step S111, if the sum of the storage power of the generated output and energy-storage battery of photovoltaic generating system is less than the need of load
Power is sought, control mains supply is load supplementary power, so that the power generation function of the output power of mains supply, photovoltaic generating system
Demand power of the sum of the storage power of rate and energy-storage battery equal to load.
In another embodiment of the present invention, as shown in Fig. 2, the method also includes：
It is negative to judge whether the generated output of photovoltaic generating system is greater than if being currently at off-grid operation state by step S112
The demand power of load；
Step S113 judges photovoltaic generating system if the generated output of photovoltaic generating system is greater than the demand power of load
Generated output whether be greater than the dump power of energy-storage battery and the demand power of load and；
In embodiments of the present invention, this judges whether the generated output of photovoltaic generating system is greater than the remaining function of energy-storage battery
Rate and the demand power of load and the step of purpose in order to which photovoltaic power generation is made full use of, preferentially store photovoltaic on daytime
Worked power transmission when not enough by energy-storage battery, rather than it is counter give power grid, cause less economical.
Step S114, if the generated output of photovoltaic generating system is greater than the dump power of energy-storage battery and the demand function of load
The sum of rate, then forbid energy-storage battery to discharge, and control photovoltaic generating system provides electricity to load, and remaining capacity is filled with energy storage
Battery.
Step S115 allows energy-storage battery to discharge if the generated output of photovoltaic generating system is less than the demand power of load；
Step S116, control energy-storage battery provide electricity to load, and the electricity is equal to the demand power and photovoltaic of load
The difference of the generated output of electricity generation system.
Step S117, if micro-grid system abnormal running, control separation net switches switch motion, switchs to grid-connected passively
Off-network；
The step of executing the step S112.
In another embodiment of the present invention, a kind of micro grid control system, including memory, processor, institute are also provided
The computer program for being stored with and being run in memory on the processor is stated, the processor executes the computer program
The step of method described in Shi Shixian above method embodiment.
In another embodiment of the present invention, as shown in figure 3, also providing a kind of storage of light fills micro-capacitance sensor, including：Photovoltaic power generation
System 11, energy storage inversion system 12, load 13 and for switch and off-network state and off-network switching switch 14, microgrid control be
System 15 and communication manager 16；
The photovoltaic generating system 11 is connect with the energy storage inversion system 12, and the photovoltaic generating system 11 is to the storage
It can the conveying direct current of inversion system 12；In the embodiment of the present invention, photovoltaic generating system may be wind power generation system etc..
The energy storage inversion system 12 13 is connect with the load by ac bus, and the energy storage inversion system 12 is by institute
Converting direct-current power into alternating-current power is stated, the alternating current is conveyed to by load 13 by the ac bus；
First connecting pin of described and off-network switching switch 14 is connect with the ac bus, described and off-network switching switch
14 second connection end is connect with mains supply, described and off-network switching switch 14 and 12 communication link of energy storage inversion system
It connects.
The embodiment of the present invention is realized the grid-connected and off-grid flexible conversion of micro-grid system, is mentioned by simultaneously off-network switching switch
High-energy source utilization efficiency.
The microgrid control system 15 is communicated to connect with described and off-network switching switch 14, and the microgrid control system 15 is felt
Answer described and off-network switching switch 14 and off-network switching signal, according to the described and off-network switching signal control energy storage inversion
System 12 adjusts the electricity to 13 output of load.
The communication manager and the microgrid control system communicate to connect, and the communication manager induction is through in overload
Electric signal, the inductive signal sensed is sent to the microgrid control system；
The microgrid control system is connect with the energy storage inversion system by communication bus, and the microgrid control system will
The inductive signal is sent to the energy storage inversion system, so that the energy storage inversion system adjusts the electricity to the load output
Amount.
As shown in figure 3, the energy storage inversion system 12 includes：With the energy storage unsteady flow of microgrid control system communication connection
Device 12.1, battery management system 12.2, energy-storage battery 12.3 and AC circuit breaker 12.4；
The direct-flow input end of the energy accumulation current converter 12.1 is connect with the light stream electricity generation system by DC bus, described
The ac output end of energy accumulation current converter 12.1 is connected by ac bus and the load；The microgrid control system and the storage
Energy current transformer 12.1 is connected by RS485 communication bus.
The photovoltaic generating system 11 sends direct current to energy accumulation current converter 12.1 by DC bus, and the energy storage becomes
Alternating current after alternating current, is conveyed to load by ac bus by DC conversion by stream device 12.1.
The energy accumulation current converter 12.1 is communicated to connect with the battery management system 12.2, the energy accumulation current converter 12.1 with
The battery management system 12.2 is connected by RS485 communication bus；Alternatively, the energy accumulation current converter 12.1 and the cell tube
Reason system 12.2 is connected by CAN communication bus.
The battery management system 12.2 is communicated to connect with the energy-storage battery 12.3, and the energy accumulation current converter 12.1 receives
The inductive signal, according to the actuated signal control battery management system 12.2 adjust energy-storage battery 12.3 output electricity with
Proportion between mains supply power guarantees the optimal economical operation state between power supply and load.
The input terminal of the AC circuit breaker 12.4 is connect with the ac output end of the energy accumulation current converter 12.1, the friendship
The output end and the load for flowing breaker 12.4 connect.
The microgrid control system is also communicated to connect with the battery management system 12.2.
As shown in figure 4, described and off-network switches switch 14, including：Sampling plate 14.1, control panel 14.2, switching switch
14.3 and communication board 14.4；
The sampling end of the sampling plate 14.1 is connect with the ac bus, the output end of the sampling plate 14.1 with it is described
The signal input part of control panel 14.2 connects, and the sampling plate 14.1 samples the electric signal on the ac bus, will
Sampled result is sent to the control panel 14.2；
The output end of the control panel 14.2 is connect with the control terminal of the switching switch 14.3, the control panel 14.2
Simultaneously off-network switching command is generated according to the sampled result, and the switching switch 14.3 is controlled by described and off-network switching command
It carries out and from switching；
The second output terminal of the control panel 14.2 is connect with the communication board 14.4, and the control panel 14.2 will be described
And off-network switching command is sent to the energy accumulation current converter 12.
And off-network switching switch 14 can be automatically performed and off-network switches and grid-connected synchronization function.Main operation modes：
1) passive switching：
1. typical case's switching：Real-time sampling is carried out to net side information by sampling plate 14.1, is then delivered to control panel 14.2, when
There is voltage on line side when falling, control switching 14.3 disjunction of switch, while issue simultaneously off-network switching command to PCS, whole process
Within 15ms.
2. protecting power switching：Real-time sampling is carried out to net side information by sampling plate 14.1, when there is voltage on line side and falling,
Control panel 14.2 determines Wave anomaly, 14.3 disjunction of switch of control switching at this time, at the same issue simultaneously off-network switching command to energy storage
Current transformer 12.1, whole process are within 0~10ms.
2) actively switch：
Monitoring issues off-network instruction, and energy accumulation current converter 12.1 switchs to off-grid operation after receiving instruction, while simultaneously off-network is cut
It changes switch 14 and disconnects switching switch 14.3.This process is seamless switching.
3) simultaneous interconnecting：
Monitoring issues grid-connected instruction, and off-network switching switch 14 receive after start detection network voltage, while controlling storage
The energy output of current transformer 12.1 changes phase and amplitude, and when matching with power grid, grid-connected success, this process is seamless switching.
In another embodiment of the present invention, a kind of non-volatile program code that can be performed with processor is also provided
Computer-readable medium, said program code make the processor execute method described in preceding method embodiment.
The computer program product of grid control method provided by the embodiment of the present invention, including store program code
Computer readable storage medium, the instruction that said program code includes can be used for executing previous methods side as described in the examples
Method, specific implementation can be found in embodiment of the method, and details are not described herein.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
It with the specific work process of device, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
In addition, in the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic or disk.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Finally it should be noted that：Embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that：Anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of grid control method, which is characterized in that including：
Judge micro-grid system whether normal operation；
If micro-grid system operates normally, whether judgement is current is in grid-connected state；
If being currently at grid-connected state, judge whether the generated output of photovoltaic generating system is more than or equal to the need of load
Seek power；
If the generated output of photovoltaic generating system is more than or equal to the demand power of load, control battery management system is forbidden storing up
Energy battery discharge, control photovoltaic generating system provides electricity to load, and remaining capacity is filled with energy-storage battery.
2. grid control method according to claim 1, which is characterized in that the method also includes：
If the generated output of photovoltaic generating system is less than the demand power of load, generated output and the storage of photovoltaic generating system are judged
Can battery storage power and whether be more than or equal to load demand power；
If the sum of the storage power of the generated output and energy-storage battery of photovoltaic generating system is more than or equal to the demand function of load
Rate, judges whether current time is located in default photovoltaic acquisition time section；
If current time is located in default photovoltaic acquisition time section, control photovoltaic generating system exports all power generation function to load
Rate, and dump energy is stored to energy-storage battery.
3. grid control method according to claim 2, which is characterized in that the method also includes：
If current time is not located in default photovoltaic acquisition time section, judge whether the storage power of energy-storage battery is greater than or waits
In the demand power of load；
If the storage power of energy-storage battery is more than or equal to the demand power of load, control energy-storage battery provides electricity to load
Can, and mains supply is enabled to wait to load supplementary power；
If the storage power of energy-storage battery is less than the demand power of load, control mains supply is to load supplementary power, so that city
Demand power of the sum of the storage power of the output power and energy-storage battery of power supply equal to load.
4. grid control method according to claim 3, which is characterized in that the method also includes：
If the sum of the storage power of the generated output and energy-storage battery of photovoltaic generating system controls city less than the demand power of load
Power supply is load supplementary power, so that the generated output and energy-storage battery of the output power of mains supply, photovoltaic generating system
Storage power sum equal to load demand power.
5. grid control method according to claim 4, which is characterized in that the method also includes：
If being currently at off-grid operation state, judge whether the generated output of photovoltaic generating system is greater than the demand power of load；
If the generated output of photovoltaic generating system be greater than load demand power, judge photovoltaic generating system generated output whether
Greater than the dump power and load of energy-storage battery demand power and；
If the generated output of photovoltaic generating system be greater than energy-storage battery dump power and load demand power and, forbid
Energy-storage battery electric discharge, control photovoltaic generating system provides electricity to load, and remaining capacity is filled with energy-storage battery.
6. grid control method according to claim 5, which is characterized in that the method also includes：
If the generated output of photovoltaic generating system is less than the demand power of load, energy-storage battery is allowed to discharge；
It controls energy-storage battery and provides electricity to load, the electricity is equal to the power generation of the demand power and photovoltaic generating system of load
The difference of power.
7. grid control method according to claim 5, which is characterized in that
If micro-grid system abnormal running, control separation net switches switch motion, switchs to passive off-network for grid-connected；
The step of whether generated output for judging photovoltaic generating system is greater than the demand power of load executed.
8. a kind of micro grid control system, including memory, processor, being stored in the memory can be on the processor
The computer program of operation, which is characterized in that the processor realized when executing the computer program the claims 1 to
The step of 7 described in any item methods.
9. micro-capacitance sensor is filled in a kind of light storage, which is characterized in that including：Photovoltaic generating system, energy storage inversion system connect with mains supply
The load that connects, for switch and off-network state and off-network switching switch, communication manager and micro- electricity as claimed in claim 8
Network control system；
The photovoltaic generating system is connect with the energy storage inversion system by DC bus, and the photovoltaic generating system passes through institute
It states DC bus and conveys direct current to the energy storage inversion system；
The energy storage inversion system is connect with the load by ac bus, and the energy storage inversion system turns the direct current
It changes alternating current into, the alternating current is conveyed to by load by the ac bus；
First connecting pin of described and off-network switching switch is connect with the ac bus, and the second of described and off-network switching switch
Connecting pin is connect with mains supply, and described and off-network switching switch is communicated to connect with the energy storage inversion system；
The communication manager and the micro grid control system communicate to connect, and the communication manager induction is through in overload
The inductive signal sensed is sent to the micro grid control system by electric signal；
The micro grid control system and the energy storage inversion system communicate to connect, and the micro grid control system is by the induction
Signal is sent to the energy storage inversion system, so that the energy storage inversion system adjusts the electricity to the load output.
10. a kind of computer-readable medium for the non-volatile program code that can be performed with processor, which is characterized in that described
Program code makes the processor execute described any the method for claim 1-7.
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| CN109494796A (en) * | 2018-11-28 | 2019-03-19 | 北京科诺伟业科技股份有限公司 | A kind of light stores up network control method on the invariable power of micro-grid system |
| CN109617104A (en) * | 2018-12-07 | 2019-04-12 | 国家电网有限公司 | Grid control method is filled in a kind of storage of light |
| CN109713699A (en) * | 2018-12-28 | 2019-05-03 | 北京天势新能源技术有限公司 | A kind of energy management method and intelligent light storage device |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105552952A (en) * | 2015-12-10 | 2016-05-04 | 国网上海市电力公司 | Photovoltaic-energy storage hybrid power generation system and energy management method therefor |
-
2018
- 2018-07-27 CN CN201810851287.7A patent/CN108879780A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105552952A (en) * | 2015-12-10 | 2016-05-04 | 国网上海市电力公司 | Photovoltaic-energy storage hybrid power generation system and energy management method therefor |
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