CN111711213A - Method for solving self power consumption of energy storage system - Google Patents
Method for solving self power consumption of energy storage system Download PDFInfo
- Publication number
- CN111711213A CN111711213A CN202010692111.9A CN202010692111A CN111711213A CN 111711213 A CN111711213 A CN 111711213A CN 202010692111 A CN202010692111 A CN 202010692111A CN 111711213 A CN111711213 A CN 111711213A
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- China
- Prior art keywords
- circuit breaker
- molded case
- case circuit
- energy storage
- storage system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004146 energy storage Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000011217 control strategy Methods 0.000 claims abstract description 10
- 239000013589 supplement Substances 0.000 claims abstract description 4
- 230000002427 irreversible effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
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
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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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
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00306—Overdischarge protection
-
- 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/18—Systems supporting electrical power generation, transmission or distribution using switches, relays or circuit breakers, e.g. intelligent electronic devices [IED]
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/242—Home appliances
- Y04S20/244—Home appliances the home appliances being or involving heating ventilating and air conditioning [HVAC] units
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a method for solving the problem of self power consumption of an energy storage system, which comprises the following steps: s1, replacing the molded case circuit breaker operation with electric operation, and adding an EMS increasing strategy for remotely controlling the opening and closing of the molded case circuit breaker; s2, leading the power line of the main power distribution inlet wire to the upper stage of the molded case circuit breaker in the step S1 from the inside of the container; s3, EMS supplements a control strategy. The invention can reduce the power consumption, improve the power factor in standby, and reduce the loss of electric charge and fine; changing a power supply route in the container to ensure that an air conditioner and a control system are not stopped; and a control strategy is added to ensure that the battery is not lack of power when the system is shut down so as to avoid irreversible damage to the battery.
Description
Technical Field
The invention belongs to the technical field of energy storage system self-consuming electrolytic solutions, and particularly relates to a method for solving self-consuming of an energy storage system.
Background
Because the power system lacks a means for effectively storing a large amount of electric energy, the power generation, the power transmission and the power distribution must be completed simultaneously, the system is required to be always in a dynamic balance state, the problem of safety and stability can be caused by instant unbalance, and the battery energy storage system can rapidly absorb the change of user load through the quick response characteristic of the battery energy storage system, thereby fundamentally solving the control problem of the power system.
At present, the current problem of the self power consumption of the system cannot be considered when the system is shut down, the standby loss is allowed, and due to the fact that the excitation reactive loss of voltage transformation is high, the power cost loss can be caused during standby, the penalty of too low power factor can also be caused, and the economic benefit of an energy storage system can be reduced.
Disclosure of Invention
The invention overcomes the defects of the prior art, and provides a method for solving the problem of self power consumption of an energy storage system so as to solve the problems in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: a method for resolving self-consumption of an energy storage system, comprising the steps of:
s1, replacing the molded case circuit breaker operation with electric operation, and adding an EMS increasing strategy for remotely controlling the opening and closing of the molded case circuit breaker;
s2, leading the power line of the main power distribution inlet wire to the upper stage of the molded case circuit breaker in the step S1 from the inside of the container;
s3, EMS supplements a control strategy.
In a preferred embodiment of the present invention, in step S1, the electric operation is used to replace the molded case circuit breaker body operation.
In a preferred embodiment of the present invention, in step S2, a power supply cable is disposed inside the container.
In a preferred embodiment of the present invention, in step S2, after the power line of the main power distribution line is installed, the power supply inside the container is not affected by the opening of the molded case circuit breaker.
In a preferred embodiment of the present invention, in step S3, the supplementary control strategy is: when the EMS detects that the SOC of the battery reaches a certain threshold value, the molded case circuit breaker is closed forcibly, and the battery is charged forcibly.
The invention solves the defects in the background technology, and has the following beneficial effects:
(1) reduce power consumption, improve the power factor when awaiting the opportune moment, reduce the loss of the electric charge and penalty.
(2) And the power supply route in the container is changed to ensure that the air conditioner and the control system are not stopped.
(3) And a control strategy is added to ensure that the battery is not lack of power when the system is shut down so as to avoid irreversible damage to the battery.
Drawings
The invention is further explained below with reference to the figures and examples;
FIG. 1 is a diagram of a preferred embodiment of the present invention;
FIG. 2 is a circuit diagram of a modified energy storage system in accordance with a preferred embodiment of the present invention;
FIG. 3 is a circuit diagram of the preferred embodiment of the present invention electrically operated;
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings and examples, which are simplified schematic drawings and illustrate only the basic structure of the invention in a schematic manner, and thus show only the constituents relevant to the invention.
As shown in fig. 1 to 3, a method for solving self-consumption of an energy storage system includes the following steps:
s1, replacing the molded case circuit breaker operation with electric operation, and adding an EMS increasing strategy for remotely controlling the opening and closing of the molded case circuit breaker;
s2, leading the power line of the main power distribution inlet wire to the upper stage of the molded case circuit breaker in the step S1 from the inside of the container;
s3, EMS supplements a control strategy.
In the embodiment, the electric operating mechanism is adopted to replace the self-operation of the molded case circuit breaker, and the method of remotely controlling the electric operating mechanism by the energy storage EMS is adopted, so that the problem of self-power consumption of the energy storage system can be effectively solved.
Specifically, in the present embodiment, in step S1, the electric operation is used in place of the molded case circuit breaker body operation.
Specifically, in step S2, a power supply cable is provided inside the container.
Specifically, in step S2, after the power line of the main power distribution line is installed, the power supply inside the container is not affected by the opening of the molded case circuit breaker.
In the present embodiment, in step S3, the supplementary control strategy is: when the EMS detects that the SOC of the battery reaches a certain threshold value, the molded case circuit breaker is closed forcibly, and the battery is charged forcibly.
In summary, the invention can reduce power consumption, improve power factor in standby, and reduce power loss and fine; changing a power supply route in the container to ensure that an air conditioner and a control system are not stopped; and a control strategy is added to ensure that the battery is not lack of power when the system is shut down so as to avoid irreversible damage to the battery.
In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (5)
1. A method for resolving self-consumption of an energy storage system, comprising the steps of:
s1, replacing the molded case circuit breaker operation with electric operation, and adding an EMS increasing strategy for remotely controlling the opening and closing of the molded case circuit breaker;
s2, leading the power line of the main power distribution inlet wire to the upper stage of the molded case circuit breaker in the step S1 from the inside of the container;
s3, EMS supplements a control strategy.
2. The method for resolving self-consumption of energy storage system as claimed in claim 1, wherein in step S1, the electric operation is used to replace molded case circuit breaker body operation.
3. The method for resolving self-consumption of energy storage system according to claim 1, wherein in step S2, a power supply cable is disposed inside the container.
4. The method of claim 1, wherein in step S2, after the main power line is installed, the power supply inside the container is not affected by the tripping of the molded case circuit breaker.
5. The method according to claim 1, wherein in step S3, the supplementary control strategy is: when the EMS detects that the SOC of the battery reaches a certain threshold value, the molded case circuit breaker is closed forcibly, and the battery is charged forcibly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010692111.9A CN111711213A (en) | 2020-07-17 | 2020-07-17 | Method for solving self power consumption of energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010692111.9A CN111711213A (en) | 2020-07-17 | 2020-07-17 | Method for solving self power consumption of energy storage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111711213A true CN111711213A (en) | 2020-09-25 |
Family
ID=72546697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010692111.9A Pending CN111711213A (en) | 2020-07-17 | 2020-07-17 | Method for solving self power consumption of energy storage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111711213A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101181874A (en) * | 2007-12-04 | 2008-05-21 | 奇瑞汽车有限公司 | Management system for electric automobile battery |
| CN204857602U (en) * | 2015-08-05 | 2015-12-09 | 南京捷泰电力设备有限公司 | Low -voltage moulded case circuit breaker with load management function |
| CN107424884A (en) * | 2017-06-16 | 2017-12-01 | 常熟开关制造有限公司(原常熟开关厂） | A kind of energy storage electric pneumatic operating mechanism for breaker of plastic casing |
-
2020
- 2020-07-17 CN CN202010692111.9A patent/CN111711213A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101181874A (en) * | 2007-12-04 | 2008-05-21 | 奇瑞汽车有限公司 | Management system for electric automobile battery |
| CN204857602U (en) * | 2015-08-05 | 2015-12-09 | 南京捷泰电力设备有限公司 | Low -voltage moulded case circuit breaker with load management function |
| CN107424884A (en) * | 2017-06-16 | 2017-12-01 | 常熟开关制造有限公司(原常熟开关厂） | A kind of energy storage electric pneumatic operating mechanism for breaker of plastic casing |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20200925 |