CN109038670A - A kind of micro-capacitance sensor and energy-storage system controller - Google Patents
A kind of micro-capacitance sensor and energy-storage system controller Download PDFInfo
- Publication number
- CN109038670A CN109038670A CN201810975007.3A CN201810975007A CN109038670A CN 109038670 A CN109038670 A CN 109038670A CN 201810975007 A CN201810975007 A CN 201810975007A CN 109038670 A CN109038670 A CN 109038670A
- Authority
- CN
- China
- Prior art keywords
- energy
- storage system
- grid
- microgrids
- strategy
- 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 136
- 238000009826 distribution Methods 0.000 claims abstract description 31
- 238000013486 operation strategy Methods 0.000 claims abstract description 6
- 238000005070 sampling Methods 0.000 claims abstract description 5
- 238000003825 pressing Methods 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 239000002283 diesel fuel Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000009975 flexible effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Classifications
-
- 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
- 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
-
- 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
- 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
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention provides a kind of micro-capacitance sensor and energy-storage system controllers, applied to power distribution network, the power distribution network is connected with energy-storage system, photovoltaic, AC load and diesel engine, including cabinet and it is arranged in the intracorporal CPU of case, further includes: the sampling plug-in that connect with the CPU is opened into plug-in unit, outputs plug-in unit and control panel；The control panel is arranged on the cabinet, including man machine operation interface, the operation reserve for selecting to be solidificated in the CPU；The operation reserve includes that be incorporated into the power networks strategy, energy-storage system of AC microgrids is incorporated into the power networks strategy, AC microgrids off-grid operation strategy, grid-connected turn of active off-network strategy of AC microgrids, grid-connected turn of AC microgrids passive off-network strategy, AC microgrids and energy-storage system off-network turn grid-connected strategy.This micro-capacitance sensor and energy-storage system controller, it is easy to operate without manually programming, the area that technical level falls behind can be suitable for.
Description
Technical field
The present invention relates to controller technology field more particularly to a kind of micro-capacitance sensors and energy-storage system controller.
Background technique
Energy crisis is increasingly becoming countries in the world focus of attention instantly, is brought by traditional energies such as petrochemical industry, coals
Environmental pollution and ecological disruption increasingly become the challenge of human survival.Therefore, the clean energy resourcies such as domestic and international wind energy, solar energy
Will be increasing in the accounting of the entire energy, but wherein this is solved again there are the not high contradiction of the stability of clean energy resource
Contradiction will introduce energy storage technology, will also encourage energy storage in the following country；In addition the peak load shifting of energy-storage system；Electric car
Development；Simultaneously in these African backward areas, Southeast Asia Island etc. for micro-grid system and energy-storage system
Demand；These factors will all cause the leap of micro-capacitance sensor and energy storage technology, and the following intelligent control will be also important
One ring.
Current mainstream controller is mostly under the frame of EMS, according to actual needs at the scene using programmable controller
It carries out strategy to write, its advantages are that management function is powerful, and logic strategy can freely be write according to demand, have centainly flexible
Property.But in a kind of large and complete controller of certain special occasions and it is not suitable for, it is highly professional.If equipment is for falling behind
African Territories or remote mountain area and island then with greater need for powerful but easy to operate equipment, and these areas are also just
It is the important application scenarios of controller.
Summary of the invention
In view of this, the present invention provides a kind of micro-capacitance sensor and energy-storage system controller, and it is easy to operate, technology can be suitable for
The area that level falls behind.
The technical scheme of the present invention is realized as follows:
A kind of micro-capacitance sensor and energy-storage system controller, are applied to power distribution network, and the power distribution network is connected with energy-storage system, light
Volt, AC load and diesel engine, including cabinet and setting are in the intracorporal CPU of case, further includes:
The sampling plug-in that connect with the CPU is opened into plug-in unit, outputs plug-in unit and control panel；
The control panel is arranged on the cabinet, including man machine operation interface, is solidificated in the CPU for selecting
Operation reserve；The operation reserve include AC microgrids be incorporated into the power networks strategy, energy-storage system be incorporated into the power networks strategy, AC microgrids
Grid-connected turn of active off-network strategy of off-grid operation strategy, AC microgrids, grid-connected turn of AC microgrids passive off-network strategy, AC microgrids and
Energy-storage system off-network turns grid-connected strategy.
Preferably, the AC microgrids strategy that is incorporated into the power networks includes:
S101: microgrid runs soft pressing plate investment；
S102: judging whether photovoltaic output is greater than load, if not, executing S103；If so, judging energy-storage system SOC
Whether charging setting value is less than, if so, photovoltaic charges to energy-storage system, otherwise, photovoltaic is to power distribution network power transmission；
S103: judging whether energy-storage system SOC is less than charging setting value, if so, power distribution network charges to energy-storage system.
Preferably, the AC microgrids off-grid operation strategy includes:
S201: microgrid runs pressing plate investment, receives off-grid operation signal, and energy-storage system SOCmax and SOCmin is arranged；
S202: judging whether photovoltaic output is greater than load, if not, executing S203；If so, judging energy-storage system SOC
Whether SOCmax is less than, if so, photovoltaic charges to energy-storage system, otherwise, limitation photovoltaic output；
S203: judging whether energy-storage system SOC is greater than SOCmin, if so, otherwise energy storage system discharges start diesel oil
Machine charges to energy-storage system.
Preferably, grid-connected turn of active off-network strategy of the AC microgrids includes:
S301: starting active off-network；
S302: judging whether photovoltaic output is greater than load, if not, executing S303；If so, limitation photovoltaic power output, hair
It loses one's life to enable to PCS and VF is switched to by PQ, disconnect PCC；
S303: judging whether energy-storage system SOC is greater than SOCmin, if not, S304 is executed,；If so, limitation photovoltaic is defeated
Out, it sends a command to PCS and VF is switched to by PQ, disconnect PCC, start electricity generation system to power distribution network power transmission；
S304: judge energy-storage system output whether be greater than load, if so, limitation photovoltaic output, send a command to PCS by
PQ switchs to VF, disconnects PCC；If it is not, limitation photovoltaic output, sends a command to PCS by PQ and switchs to VF, disconnect PCC, start bavin
Oil machine is to power distribution network power transmission.
Preferably, grid-connected turn of the AC microgrids passive off-network strategy includes:
PCS switchs active tripping PCC, and turns VF by PQ, executes exchange micro-capacitance sensor operation reserve.
Preferably, the AC microgrids and the grid-connected strategy of energy-storage system off-network turn include:
Grid-connected signal is inputted, PCS detects the same period after receiving grid-connected signal and executes synchronous operation；PCC is closed, if in diesel oil
Machine is diesel engine of then stopping transport after the main power supply status lower same period is successful, if after energy-storage system is same period success under main power supply status
PCS is turned into PQ mode from VF and is charged to energy-storage system.
Preferably, the energy-storage system strategy that is incorporated into the power networks includes:
Energy-storage system SOCmax and SOCmin are set, charge and discharge are carried out according to time or power；
When time T pressing plate investment, if T is setting charge period, energy-storage system SOC state value is detected, as SOC <
When SOCmin, power distribution network charges to energy-storage system；Otherwise, energy storage is not charged, while being in firework control state；
When T is the setting electric discharge period, energy-storage system SOC state value is detected, as SOC > SOCmin, energy-storage system is to matching
Power grid electric discharge；Otherwise, energy storage, which is in, forbids discharge condition, while filling state in prohibiting；
When determining power P pressing plate investment,
When loading P is electric discharge P setting value, energy-storage system SOC state value, as SOC > SOCmin, energy-storage system are detected
It discharges to power distribution network；Otherwise, energy-storage system does not discharge, while filling state in prohibiting；
When load P < electric discharge P setting value when, detect energy-storage system SOC state value, as SOC < SOCmax, power distribution network to
Energy-storage system charging；
As energy-storage system SOC >=SOCmax, storage energy-storage system, which is in not fill, does not put state.
Micro-capacitance sensor and energy-storage system controller proposed by the present invention, by the various operation reserves of fixed line in CPU, so as to
Corresponding strategy is enough selected and run by controller, it is easy to operate without manually programming, technical level can be suitable for
Backward area.
Detailed description of the invention
Fig. 1 is the application scenarios single line schematic diagram of micro-capacitance sensor proposed by the present invention and energy-storage system controller；
Fig. 2 is the structural schematic diagram of micro-capacitance sensor proposed by the present invention and energy-storage system controller；
Fig. 3 is that AC microgrids are incorporated into the power networks strategic process figure；
Fig. 4 is that energy-storage system is incorporated into the power networks strategic process figure；
Fig. 5 is AC microgrids off-grid operation strategic process figure；
Fig. 6 is grid-connected turn of active off-network strategic process figure of AC microgrids；
Fig. 7 is grid-connected turn of AC microgrids passive off-network strategic process figure；
Fig. 8 is that AC microgrids and energy-storage system off-network turn grid-connected strategic process figure.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The invention discloses a kind of micro-capacitance sensor and energy-storage system controllers, are applied to power distribution network, and the power distribution network is connected with
Energy-storage system, photovoltaic, AC load and diesel engine, including cabinet and setting are in the intracorporal CPU1 of case, further includes:
The sampling plug-in 2 that connect with the CPU1 is opened into plug-in unit 3, outputs plug-in unit 4 and control panel 5；
The control panel 5 is arranged on the cabinet, including man machine operation interface, is solidificated in the CPU1 for selecting
Interior operation reserve；The operation reserve include AC microgrids be incorporated into the power networks strategy, energy-storage system be incorporated into the power networks strategy, exchange it is micro-
Net off-grid operation strategy, grid-connected turn of active off-network strategy of AC microgrids, grid-connected turn of AC microgrids passive off-network strategy, AC microgrids
And energy-storage system off-network turns grid-connected strategy.
Wherein, sampling plug-in can access 2 road voltages and 6 road electric currents, opens and accesses 16 road signals into plug-in unit, outputing plug-in unit can be defeated
8 road signal out, CPU can access the communication of 6 tunnels, and AC/DC220V can be used in power insert.
Basic principle of the invention is by for system inlet wire (if having), photovoltaic power generation, load, energy-storage system, diesel oil
The acquisition of machine alternating current and busbar voltage, thus the coordinated control under inlet wire is grid-connected or off-network state.Including grid-connected
Actively off-grid control (passive off-network is participated in when the real time monitoring under state, the power-balance under off-network state and off-network switching
Automatically switched by PCS), off-network receives control PCS after grid-connected instruction when turning grid-connected and executes synchronous operation.
Suitable for the control of light storage bavin more power supply micro-grid systems and independent energy-storage system, two kinds of control modes will pass through dress
Soft pressing plate is set to switch over.Micro-capacitance sensor strategy (wherein diesel engine is optional) will be executed when putting into light storage bavin control pressing plate, and work as throwing
Energy-storage system strategy will be executed when entering energy-storage system.Independent energy-storage system is chiefly used in peak load shifting and the electricity of light is abandoned in frequency modulation abandonment
Amount storage, will not participate in isolated power grid, the charge and discharge time can freely adjust, while will also adjust in real time according to payload situation
It is whole, it is optimal to reach charge-discharge electric power, to meet optimum economic benefit.
In a preferred embodiment of the invention, the AC microgrids strategy that is incorporated into the power networks includes:
S101: microgrid runs soft pressing plate investment；
S102: judging whether photovoltaic output is greater than load, if not, executing S103；If so, judging energy-storage system SOC
Whether charging setting value is less than, if so, photovoltaic charges to energy-storage system, otherwise, photovoltaic is to power distribution network power transmission；
S103: judging whether energy-storage system SOC is less than charging setting value, if so, power distribution network charges to energy-storage system.
In the present embodiment, microgrid runs soft pressing plate investment, and execution is incorporated into the power networks strategy.When photovoltaic power output > load and store up
Can SOC < charging setting value when, to energy-storage system charging, it is on the contrary then to power distribution network power transmission；As photovoltaic power output < load and energy storage SOC
When < charging setting value, charged from power distribution network to energy-storage system.
In a preferred embodiment of the invention, the AC microgrids off-grid operation strategy includes:
S201: microgrid runs pressing plate investment, receives off-grid operation signal, and energy-storage system SOCmax and SOCmin is arranged；
S202: judging whether photovoltaic output is greater than load, if not, executing S203；If so, judging energy-storage system SOC
Whether SOCmax is less than, if so, photovoltaic charges to energy-storage system, otherwise, limitation photovoltaic output；
S203: judging whether energy-storage system SOC is greater than SOCmin, if so, otherwise energy storage system discharges start diesel oil
Machine charges to energy-storage system.
In a preferred embodiment of the invention, grid-connected turn of active off-network strategy of the AC microgrids includes:
S301: starting active off-network；
S302: judging whether photovoltaic output is greater than load, if not, executing S303；If so, limitation photovoltaic power output, hair
It loses one's life to enable to PCS and VF is switched to by PQ, disconnect PCC；
S303: judging whether energy-storage system SOC is greater than SOCmin, if not, S304 is executed,；If so, limitation photovoltaic is defeated
Out, it sends a command to PCS and VF is switched to by PQ, disconnect PCC, start electricity generation system to power distribution network power transmission；
S304: judge energy-storage system output whether be greater than load, if so, limitation photovoltaic output, send a command to PCS by
PQ switchs to VF, disconnects PCC；If it is not, limitation photovoltaic output, sends a command to PCS by PQ and switchs to VF, disconnect PCC, start bavin
Oil machine is to power distribution network power transmission.
Wherein, grid-connected turn of active off-network strategy of AC microgrids, according to demand for control, when starting active off-network, controller
Adjusting PCC point power is minimum, and hair trip signal disconnects PCC switch after sending out PCS conversion command.
In a preferred embodiment of the invention, grid-connected turn of the AC microgrids passive off-network strategy includes:
PCS switchs active tripping PCC, and turns VF by PQ, executes exchange micro-capacitance sensor operation reserve.
In a preferred embodiment of the invention, the AC microgrids and the grid-connected strategy of energy-storage system off-network turn include:
Grid-connected signal is inputted, PCS detects the same period after receiving grid-connected signal and executes synchronous operation；PCC is closed, if in diesel oil
Machine is diesel engine of then stopping transport after the main power supply status lower same period is successful, if after energy-storage system is same period success under main power supply status
PCS is turned into PQ mode from VF and is charged to energy-storage system.
In a preferred embodiment of the invention, the energy-storage system strategy that is incorporated into the power networks includes:
Energy-storage system SOCmax and SOCmin are set, charge and discharge are carried out according to time or power；
When time T pressing plate investment, it is applied to peak load shifting, if T is setting charge period, detects energy-storage system SOC
State value, as SOC < SOCmin, power distribution network charges to energy-storage system；Otherwise, energy storage is not charged, while being in firework control state；
When T is the setting electric discharge period, energy-storage system SOC state value is detected, as SOC > SOCmin, energy-storage system is to matching
Power grid electric discharge；Otherwise, energy storage, which is in, forbids discharge condition, while filling state in prohibiting；
When determining power P pressing plate investment, it is applied to capacity management scene (removing peak value, reduce capacity payment)
When loading P is electric discharge P setting value, energy-storage system SOC state value, as SOC > SOCmin, energy-storage system are detected
It discharges to power distribution network；Otherwise, energy-storage system does not discharge, while filling state in prohibiting；
When load P < electric discharge P setting value when, detect energy-storage system SOC state value, as SOC < SOCmax, power distribution network to
Energy-storage system charging；
As energy-storage system SOC >=SOCmax, storage energy-storage system, which is in not fill, does not put state.
Micro-capacitance sensor and energy-storage system controller proposed by the present invention, by the various operation reserves of fixed line in CPU, so as to
Corresponding strategy is enough selected and run by controller, it is easy to operate without manually programming, technical level can be suitable for
Backward area.
In conclusion following effect at least may be implemented in the embodiment of the present invention:
In embodiments of the present invention, by the various operation reserves of fixed line in CPU, so as to be selected simultaneously by controller
Corresponding strategy is run, it is easy to operate without manually programming, the area that technical level falls behind can be suitable for.
Finally, it should be noted that the foregoing is merely presently preferred embodiments of the present invention, it is merely to illustrate skill of the invention
Art scheme, is not intended to limit the scope of the present invention.Any modification for being made all within the spirits and principles of the present invention,
Equivalent replacement, improvement etc., are included within the scope of protection of the present invention.
Claims (7)
1. a kind of micro-capacitance sensor and energy-storage system controller, be applied to power distribution network, the power distribution network be connected with energy-storage system, photovoltaic,
AC load and diesel engine, which is characterized in that including cabinet and be arranged in the intracorporal CPU of case, further includes:
The sampling plug-in that connect with the CPU is opened into plug-in unit, outputs plug-in unit and control panel；
The control panel is arranged on the cabinet, including man machine operation interface, the fortune for selecting to be solidificated in the CPU
Row strategy；The operation reserve include AC microgrids be incorporated into the power networks strategy, energy-storage system be incorporated into the power networks strategy, AC microgrids off-network
Grid-connected turn of active off-network strategy of operation reserve, AC microgrids, grid-connected turn of AC microgrids passive off-network strategy, AC microgrids and energy storage
System off-network turns grid-connected strategy.
2. micro-capacitance sensor as described in claim 1 and energy-storage system controller, which is characterized in that the AC microgrids are incorporated into the power networks
Strategy includes:
S101: microgrid runs soft pressing plate investment；
S102: judging whether photovoltaic output is greater than load, if not, executing S103；If so, whether judging energy-storage system SOC
Less than charging setting value, if so, photovoltaic charges to energy-storage system, otherwise, photovoltaic is to power distribution network power transmission；
S103: judging whether energy-storage system SOC is less than charging setting value, if so, power distribution network charges to energy-storage system.
3. micro-capacitance sensor as described in claim 1 and energy-storage system controller, which is characterized in that the AC microgrids off-grid operation
Strategy includes:
S201: microgrid runs pressing plate investment, receives off-grid operation signal, and energy-storage system SOCmax and SOCmin is arranged；
S202: judging whether photovoltaic output is greater than load, if not, executing S203；If so, whether judging energy-storage system SOC
Less than SOCmax, if so, photovoltaic charges to energy-storage system, otherwise, limitation photovoltaic output；
S203: judging whether energy-storage system SOC is greater than SOCmin, if so, energy storage system discharges, otherwise, starting diesel engine to
Energy-storage system charging.
4. micro-capacitance sensor as described in claim 1 and energy-storage system controller, which is characterized in that grid-connected turn of master of the AC microgrids
Moving off-network strategy includes:
S301: starting active off-network；
S302: judging whether photovoltaic output is greater than load, if not, executing S303；If so, limitation photovoltaic power output, sends life
It enables to PCS and VF is switched to by PQ, disconnect PCC；
S303: judging whether energy-storage system SOC is greater than SOCmin, if not, S304 is executed,；If so, limitation photovoltaic output,
It sends a command to PCS and VF is switched to by PQ, disconnect PCC, start electricity generation system to power distribution network power transmission；
S304: judging whether energy-storage system output is greater than load, if so, limitation photovoltaic output, sends a command to PCS and turned by PQ
For VF, PCC is disconnected；If it is not, limitation photovoltaic output, sends a command to PCS by PQ and switchs to VF, disconnect PCC, start diesel engine
To power distribution network power transmission.
5. micro-capacitance sensor as described in claim 1 and energy-storage system controller, which is characterized in that grid-connected turn of quilt of the AC microgrids
Moving off-network strategy includes:
PCS switchs active tripping PCC, and turns VF by PQ, executes exchange micro-capacitance sensor operation reserve.
6. micro-capacitance sensor as described in claim 1 and energy-storage system controller, which is characterized in that the AC microgrids and energy storage system
System off-network turns grid-connected strategy
Grid-connected signal is inputted, PCS detects the same period after receiving grid-connected signal and executes synchronous operation；PCC is closed, if being in diesel engine
Then stop transport diesel engine after the success of the main power source state lower same period, after the same period success in the case where energy-storage system is main power supply status if will
PCS is turned PQ mode from VF and is charged to energy-storage system.
7. micro-capacitance sensor as described in claim 1 and energy-storage system controller, which is characterized in that the energy-storage system is incorporated into the power networks
Strategy includes:
Energy-storage system SOCmax and SOCmin are set, charge and discharge are carried out according to time or power；
When time T pressing plate investment, if T is setting charge period, energy-storage system SOC state value is detected, as SOC < SOCmin
When, power distribution network charges to energy-storage system；Otherwise, energy storage is not charged, while being in firework control state；
When T is the setting electric discharge period, energy-storage system SOC state value is detected, as SOC > SOCmin, energy-storage system is to power distribution network
Electric discharge；Otherwise, energy storage, which is in, forbids discharge condition, while filling state in prohibiting；
When determining power P pressing plate investment,
When loading P is electric discharge P setting value, energy-storage system SOC state value is detected, as SOC > SOCmin, energy-storage system is to matching
Power grid electric discharge；Otherwise, energy-storage system does not discharge, while filling state in prohibiting；
When loading P < electric discharge P setting value, energy-storage system SOC state value is detected, as SOC < SOCmax, power distribution network is to energy storage
System charging；
As energy-storage system SOC >=SOCmax, storage energy-storage system, which is in not fill, does not put state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810975007.3A CN109038670A (en) | 2018-08-24 | 2018-08-24 | A kind of micro-capacitance sensor and energy-storage system controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810975007.3A CN109038670A (en) | 2018-08-24 | 2018-08-24 | A kind of micro-capacitance sensor and energy-storage system controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109038670A true CN109038670A (en) | 2018-12-18 |
Family
ID=64627633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810975007.3A Pending CN109038670A (en) | 2018-08-24 | 2018-08-24 | A kind of micro-capacitance sensor and energy-storage system controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109038670A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110492591A (en) * | 2019-08-21 | 2019-11-22 | 深圳供电局有限公司 | A kind of power supply system and its method for controlling power supply, computer readable storage medium |
| CN111211580A (en) * | 2020-03-09 | 2020-05-29 | 特变电工西安电气科技有限公司 | Control method for island operation safety shutdown of park micro-grid |
| WO2023279566A1 (en) * | 2021-07-07 | 2023-01-12 | 杭州中恒电气股份有限公司 | Independent microgrid optimization method |
| CN115776130A (en) * | 2022-12-29 | 2023-03-10 | 北京索英电气技术股份有限公司 | Grid-connected and off-grid switching method, energy storage converter, energy storage system and power system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393820A (en) * | 2014-09-22 | 2015-03-04 | 江苏骏龙电力科技股份有限公司 | Wind energy, optical energy and diesel fuel combined generating control method |
| CN105262135A (en) * | 2015-11-11 | 2016-01-20 | 广东电网有限责任公司电力科学研究院 | Wind, light and diesel storage microgrid system containing composite energy storage and coordinated control method during grid connection |
| CN205231763U (en) * | 2015-11-11 | 2016-05-11 | 广东电网有限责任公司电力科学研究院 | Honourable firewood that contains compound energy storage stores up little grid system |
| CN106877407A (en) * | 2017-03-24 | 2017-06-20 | 南京国电南自电网自动化有限公司 | A kind of wind-solar-diesel storage type micro electric network coordination controls optimization method |
| CN106992544A (en) * | 2017-05-02 | 2017-07-28 | 深圳市矩形科技有限公司 | Microgrid energy real-time management control method |
| US20180076663A1 (en) * | 2016-09-13 | 2018-03-15 | MidNite Solar, Inc. | System and method for controlling and monitoring scalable modular electric devices |
-
2018
- 2018-08-24 CN CN201810975007.3A patent/CN109038670A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393820A (en) * | 2014-09-22 | 2015-03-04 | 江苏骏龙电力科技股份有限公司 | Wind energy, optical energy and diesel fuel combined generating control method |
| CN105262135A (en) * | 2015-11-11 | 2016-01-20 | 广东电网有限责任公司电力科学研究院 | Wind, light and diesel storage microgrid system containing composite energy storage and coordinated control method during grid connection |
| CN205231763U (en) * | 2015-11-11 | 2016-05-11 | 广东电网有限责任公司电力科学研究院 | Honourable firewood that contains compound energy storage stores up little grid system |
| US20180076663A1 (en) * | 2016-09-13 | 2018-03-15 | MidNite Solar, Inc. | System and method for controlling and monitoring scalable modular electric devices |
| CN106877407A (en) * | 2017-03-24 | 2017-06-20 | 南京国电南自电网自动化有限公司 | A kind of wind-solar-diesel storage type micro electric network coordination controls optimization method |
| CN106992544A (en) * | 2017-05-02 | 2017-07-28 | 深圳市矩形科技有限公司 | Microgrid energy real-time management control method |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110492591A (en) * | 2019-08-21 | 2019-11-22 | 深圳供电局有限公司 | A kind of power supply system and its method for controlling power supply, computer readable storage medium |
| CN110492591B (en) * | 2019-08-21 | 2022-03-04 | 深圳供电局有限公司 | Power supply system, power supply control method thereof and computer readable storage medium |
| CN111211580A (en) * | 2020-03-09 | 2020-05-29 | 特变电工西安电气科技有限公司 | Control method for island operation safety shutdown of park micro-grid |
| CN111211580B (en) * | 2020-03-09 | 2021-11-30 | 特变电工西安电气科技有限公司 | Control method for island operation safety shutdown of park micro-grid |
| WO2023279566A1 (en) * | 2021-07-07 | 2023-01-12 | 杭州中恒电气股份有限公司 | Independent microgrid optimization method |
| CN115776130A (en) * | 2022-12-29 | 2023-03-10 | 北京索英电气技术股份有限公司 | Grid-connected and off-grid switching method, energy storage converter, energy storage system and power system |
| CN115776130B (en) * | 2022-12-29 | 2024-02-02 | 北京索英电气技术股份有限公司 | Off-grid switching method, energy storage converter, energy storage system and power system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104882906B (en) | A kind of distributed micro-grid black starting-up control system and method based on photovoltaic and energy storage | |
| KR101277185B1 (en) | Dc microgrid system and ac/dc hybrid microgrid system using it | |
| CN103199564B (en) | Intelligent power grid distributed self-supporting photovoltaic power supply system | |
| CN109038670A (en) | A kind of micro-capacitance sensor and energy-storage system controller | |
| CN102412594B (en) | Control Method of Microgrid System | |
| CN104868523B (en) | Autonomous movement system | |
| CN104022527B (en) | Direct current micro-grid system | |
| CN204465152U (en) | A kind of unmanned plane wireless charging system of wind-light-electricity complementary | |
| CN104281977A (en) | Hybrid microgrid application platform and control method theref | |
| CN102882237A (en) | Intelligent energy storage machine and operating method thereof | |
| CN202374195U (en) | Photovoltaic off-connected grid and energy storage mixing power supply system | |
| CN103138637A (en) | Hybrid power supply system for photovoltaic off network, photovoltaic combined network, city network and energy storage | |
| CN105116809A (en) | User customizable intelligent micro grid load control system and method | |
| CN110350559A (en) | It provides multiple forms of energy to complement each other mixed energy storage system voltage hierarchy system and energy management method | |
| CN101997335A (en) | Power supply control system and control method | |
| CN104300686A (en) | Household energy storage system and control method | |
| CN112952910A (en) | Optical storage off-network system control method, device, controller and storage medium | |
| CN109103913A (en) | Charging energy-storing integral system and its working method based on charging pile | |
| CN105244909A (en) | Direct-current micro-grid system and grid-connection self-balancing control strategy | |
| CN201466783U (en) | Wind-solar complementary power generation power supply device based on photovoltaic array switching control | |
| CN109301865A (en) | The control method and communication management system of energy-storage system for Wind turbines | |
| CN106786755A (en) | A kind of energy-storage system and control method | |
| CN209963766U (en) | Microgrid optical storage and charging energy control device sharing direct current bus | |
| CN206908304U (en) | A kind of intelligent micro-grid energy-storage system | |
| JP2020523971A (en) | Energy storage system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181218 |