CN106208115A - A kind of distributed energy storage control method that electrical network can be provided assistant service - Google Patents
A kind of distributed energy storage control method that electrical network can be provided assistant service Download PDFInfo
- Publication number
- CN106208115A CN106208115A CN201610668560.3A CN201610668560A CN106208115A CN 106208115 A CN106208115 A CN 106208115A CN 201610668560 A CN201610668560 A CN 201610668560A CN 106208115 A CN106208115 A CN 106208115A
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- China
- Prior art keywords
- energy storage
- distributed energy
- frequency
- voltage
- storage control
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Classifications
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- 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
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
-
- 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
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
-
- 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
- H02J3/24—Arrangements for preventing or reducing oscillations of power in networks
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of distributed energy storage control method that electrical network can be provided assistant service, divide when voltage is less than voltage limits 2 (VH2), it is idle that distributed energy storage stops absorption, when voltage is less than voltage limits 3 (VL1), distributed energy storage sends idle, when voltage is more than voltage limits 4 (VL2), distributed energy storage stopping sends idle, when frequency is more than frequency limit 1 (FH1), distributed energy storage absorbs meritorious, when frequency is less than frequency limit 2 (FH2), distributed energy storage stops absorbing gains merit, when frequency is less than frequency limit 3 (FL1), distributed energy storage sends meritorious, when frequency is more than frequency limit 4 (FL2), distributed energy storage stopping sends meritorious.This distributed energy storage control method distributed energy storage on the premise of being independent of communication the most quickly can provide frequency modulation and pressure regulation service for electrical network, and Collaborative Control concordance is high, it is possible to makes user recoup capital outlay at short notice, increases economic efficiency.
Description
Technical field
The present invention relates to distributed energy storage technical field, particularly relate to a kind of can to electrical network provide assistant service distributed
Energy storage control method.
Background technology
For adapting to energy development demand, China is building with digitized, automatization and the interactive strong intelligence being characterized
Can electrical network.Intelligent grid is distributed rationally by novel energy-storing system and is controlled, and supports the access of extensive regenerative resource, has
Imitate the generating of compatible intermittent centralization and decentralization formula, be that intelligent grid adapts to future economy social development and the one of new forms of energy revolution
Individual prerequisite.Distributed energy storage system has three kinds of modes to help to realize user's reliable power supply: 1. at auxiliary power supply at crucial moment
Or transmission electric energy；2. supply load demand is transferred to the load valley moment from peak value moment；3. forcing power failure or supplying
Electricity provides a user with electric energy in the case of interrupting.And the voltage of traditional distributed energy storage control method and frequency Collaborative Control one
Cause is poor, it is impossible to recoup capital outlay in making user's short time.
Summary of the invention
The invention aims to solve shortcoming present in prior art, and the one proposed can provide auxiliary to electrical network
Help the distributed energy storage control method of service.
To achieve these goals, present invention employs following technical scheme: a kind of can provide assistant service to electrical network
Distributed energy storage control method, this distributed energy storage control method comprises the steps:
S1: when energy storage control device occurs abnormal, it is judged that whether energy storage control device is in malfunction, is in fault
State is then shut down flag bit by disorderly closedown Row control and is set, and is not at malfunction and then determines whether energy storage control
Whether device is in stopped status；
S2: then further determined whether start-up command, if do not had when the energy storage control device in S1 is in stopped status
There is start-up command then to maintain stopped status, if there being start-up command, being set to by the main circuit standby flag bit of Row control that powers on
Position；
S3: when the energy storage control device in S1 is not at stopped status, then further determined whether halt instruction, if
Have halt instruction then to shut down flag bit by jerk or orderly closedown Row control to be set, without halt instruction then energy storage
Control device and maintain holding state, charged state or discharge condition；
S4: distributed energy storage is in standby flag bit and is set energy storage control in state or S3 energy storage control device in S2
Device is in the voltage detected when maintaining holding state, charged state or discharge condition and frequency is controlled, when voltage is big
In voltage limits 1 (VH1), distributed energy storage absorbs idle, when voltage is less than voltage limits 2 (VH2), distributed energy storage stops inhaling
Receive idle, when voltage is less than voltage limits 3 (VL1), distributed energy storage sends idle, when voltage is more than voltage limits 4 (VL2), point
Cloth energy storage stopping sends idle；When frequency is more than frequency limit 1 (FH1), distributed energy storage absorbs meritorious, when frequency is less than frequency
Rate limit value 2 (FH2), distributed energy storage stops absorbing gains merit, when frequency is less than frequency limit 3 (FL1), distributed energy storage has sent
Merit, when frequency is more than frequency limit 4 (FL2), distributed energy storage stopping sends meritorious.
Preferably, the voltage and frequency fluctuation of the same power supply area of described electrical network is unified.
Preferably, the size order of described voltage limits is VH1＞ VH2＞ VL2＞ VL1, the size order of described frequency limit
For FH1＞ FH2＞ FL2＞ FL1。
A kind of distributed energy storage control method that electrical network can be provided assistant service that the present invention proposes, this distributed energy storage
Control method on the premise of being independent of communication distributed energy storage can, simultaneously quickly provide frequency modulation and pressure regulation service, association for electrical network
High with controlling concordance, it is possible to make user recoup capital outlay at short notice, increase economic efficiency.
Accompanying drawing explanation
The flow process of a kind of distributed energy storage control method that electrical network can be provided assistant service that Fig. 1 proposes for the present invention
Figure.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.
With reference to Fig. 1, a kind of distributed energy storage control method that electrical network can provide assistant service, this distributed energy storage controls
Method comprises the steps:
S1: when energy storage control device occurs abnormal, it is judged that whether energy storage control device is in malfunction, is in fault
State is then shut down flag bit by disorderly closedown Row control and is set, and is not at malfunction and then determines whether energy storage control
Whether device is in stopped status；
S2: then further determined whether start-up command, if do not had when the energy storage control device in S1 is in stopped status
There is start-up command then to maintain stopped status, if there being start-up command, being set to by the main circuit standby flag bit of Row control that powers on
Position；
S3: when the energy storage control device in S1 is not at stopped status, then further determined whether halt instruction, if
Have halt instruction then to shut down flag bit by jerk or orderly closedown Row control to be set.Without halt instruction then energy storage
Control device and maintain holding state, charged state or discharge condition；
S4: distributed energy storage is in standby flag bit and is set energy storage control in state or S3 energy storage control device in S2
Device is in the voltage detected when maintaining holding state, charged state or discharge condition and frequency is controlled, when voltage is big
In voltage limits 1 (VH1), distributed energy storage absorbs idle, when voltage is less than voltage limits 2 (VH2), distributed energy storage stops inhaling
Receive idle, when voltage is less than voltage limits 3 (VL1), distributed energy storage sends idle, when voltage is more than voltage limits 4 (VL2), point
Cloth energy storage stopping sends idle；When frequency is more than frequency limit 1 (FH1), distributed energy storage absorbs meritorious, when frequency is less than frequency
Rate limit value 2 (FH2), distributed energy storage stops absorbing gains merit, when frequency is less than frequency limit 3 (FL1), distributed energy storage has sent
Merit, when frequency is more than frequency limit 4 (FL2), distributed energy storage stopping sends meritorious.The size order of wherein said voltage limits
For VH1＞ VH2＞ VL2＞ VL1, the size order of described frequency limit is FH1＞ FH2＞ FL2＞ FL1, the same service area of described electrical network
The voltage and frequency fluctuation in territory is unified, and this distributed energy storage control method is distributed energy storage on the premise of being independent of communication
The most quickly can provide frequency modulation and pressure regulation service for electrical network, Collaborative Control concordance is high, it is possible to make user regain at short notice
Investment, increases economic efficiency.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and
Inventive concept equivalent or change in addition, all should contain within protection scope of the present invention.
Claims (3)
1. the distributed energy storage control method that electrical network can be provided assistant service, it is characterised in that this distributed energy storage control
Method processed comprises the steps:
S1: when energy storage control device occurs abnormal, it is judged that whether energy storage control device is in malfunction, is in malfunction
Then shut down flag bit by disorderly closedown Row control to be set, be not at malfunction and then determine whether energy storage control device
Whether it is in stopped status；
S2: then further determined whether start-up command, without opening when the energy storage control device in S1 is in stopped status
Machine instruction then maintains stopped status, if there being start-up command, is set by the main circuit standby flag bit of Row control that powers on；
S3: when the energy storage control device in S1 is not at stopped status, then having further determined whether halt instruction, having stopped if had
Machine instruction is then shut down flag bit by jerk or orderly closedown Row control and is set, and controls without halt instruction then energy storage
Device maintains holding state, charged state or discharge condition；
S4: distributed energy storage is in standby flag bit to energy storage control device in S2 and is set energy storage control device in state or S3
It is in the voltage detected when maintaining holding state, charged state or discharge condition and frequency is controlled, when voltage is more than electricity
Pressure limit value 1 (VH1), distributed energy storage absorbs idle, when voltage is less than voltage limits 2 (VH2), distributed energy storage stops absorbing nothing
Merit, when voltage is less than voltage limits 3 (VL1), distributed energy storage sends idle, when voltage is more than voltage limits 4 (VL2), distributed
Energy storage stopping sends idle；When frequency is more than frequency limit 1 (FH1), distributed energy storage absorbs meritorious, when frequency limits less than frequency
Value 2 (FH2), distributed energy storage stops absorbing gains merit, when frequency is less than frequency limit 3 (FL1), distributed energy storage sends meritorious, when
Frequency is more than frequency limit 4 (FL2), distributed energy storage stopping sends meritorious.
A kind of distributed energy storage control method that electrical network can be provided assistant service the most according to claim 1, its feature
Being, the voltage and frequency fluctuation of the same power supply area of described electrical network is unified.
A kind of distributed energy storage control method that electrical network can be provided assistant service the most according to claim 1, its feature
Being, the size order of described voltage limits is VH1＞ VH2＞ VL2＞ VL1, the size order of described frequency limit is FH1＞ FH2
＞ FL2＞ FL1。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610668560.3A CN106208115A (en) | 2016-08-16 | 2016-08-16 | A kind of distributed energy storage control method that electrical network can be provided assistant service |
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| CN201610668560.3A CN106208115A (en) | 2016-08-16 | 2016-08-16 | A kind of distributed energy storage control method that electrical network can be provided assistant service |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108631345A (en) * | 2018-03-29 | 2018-10-09 | 杭州电子科技大学 | A kind of power grid frequency modulation system and method based on internet cloud platform |
| CN109193719A (en) * | 2018-08-03 | 2019-01-11 | 中国电力科学研究院有限公司 | A kind of modeling method and system for assessing distributed energy storage systematic polymerization frequency modulation performance |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108631345A (en) * | 2018-03-29 | 2018-10-09 | 杭州电子科技大学 | A kind of power grid frequency modulation system and method based on internet cloud platform |
| CN109193719A (en) * | 2018-08-03 | 2019-01-11 | 中国电力科学研究院有限公司 | A kind of modeling method and system for assessing distributed energy storage systematic polymerization frequency modulation performance |
| CN109193719B (en) * | 2018-08-03 | 2021-11-26 | 中国电力科学研究院有限公司 | Modeling method and system for evaluating aggregation frequency modulation performance of distributed energy storage system |
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Application publication date: 20161207 |
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