CN104578123A - Micro grid system framework for improving robustness and energy control method - Google Patents
Micro grid system framework for improving robustness and energy control method Download PDFInfo
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- CN104578123A CN104578123A CN201310469550.3A CN201310469550A CN104578123A CN 104578123 A CN104578123 A CN 104578123A CN 201310469550 A CN201310469550 A CN 201310469550A CN 104578123 A CN104578123 A CN 104578123A
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- 238000004146 energy storage Methods 0.000 claims abstract description 86
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 57
- 238000012544 monitoring process Methods 0.000 claims abstract description 21
- 238000004891 communication Methods 0.000 claims abstract description 11
- 230000005611 electricity Effects 0.000 claims description 18
- 230000010354 integration Effects 0.000 claims description 16
- 238000010248 power generation Methods 0.000 claims description 15
- 230000002265 prevention Effects 0.000 claims description 15
- 230000001681 protective effect Effects 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 206010033799 Paralysis Diseases 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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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- H02J3/382—
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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
- 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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- 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
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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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
- 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
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/14—District level solutions, i.e. local energy networks
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- 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 invention belongs to the technical field of new energy micro grids, and particularly relates to a micro grid system framework for improving robustness and an energy control method. By respectively setting double overcharge control and protection voltage parameter values of a first overcharge protection control point voltage parameter value Vic and a second overcharge protection execution point voltage parameter value Vie as well as double over-discharge control and protection voltage parameter values of a first over-discharge protection control point voltage parameter value Voc and a second over-discharge protection execution point voltage parameter value Voe, a micro grid monitoring system enables a VF storage battery pack to work within an interval between the voltage parameter value Vic and the voltage parameter value Voc by controlling a VF bidirectional energy storage inverter, so that before overcharge or over-discharge protection shutdown is monitored and executed, a micro-grid system can respectively control energy-supplying power, energy-storing power and energy-using power of the VF bidirectional energy storage inverter, a photovoltaic grid-connected inverter, a wind-power grid-connected inverter, the PQ bidirectional energy storage inverter and an AC distribution cabinet by the micro grid monitoring system through monitoring communication wires, micro grid energy is balanced within a reliable running range and the continuous running of the micro grid system is guaranteed.
Description
Technical field
The invention belongs to new forms of energy micro-capacitance sensor technical field, be specifically related to a kind of the micro-grid system framework and the energy control method that improve robustness.
Background technology
Micro-capacitance sensor is one of major way of new forms of energy electric power application, because micro-capacitance sensor is particularly from micro-capacitance sensor or many power supplys electricity generating and supplying system of net type or independent operating, it runs and mainly supports micro-capacitance sensor by voltage source, and the key equipment of support unit to be bidirectional energy-storage inverter be under main energy-storage units is operated in VF pattern, when but energy-storage units operates in VF pattern, energy storage is not controlled, namely can not filling batteries, electric discharge controls, so, in new forms of energy electric power micro-capacitance sensor, due to unpredictable factors such as the fluctuation of generate electricity unstable and electricity consumption and changes, make energy-storage units often there will be unpredictable overcharge or cross put situation, prior art adopts and arranges single over-charge protective execution point voltage parameter Vi and single Cross prevention execution point voltage battery parameter value Voe for this reason, prevent from overcharging of energy-storage units generation storage battery or cross to put causing damage by monitoring and the measure that execution overcharges or Cross prevention is shut down and scheme, but adopt single overcharging or Cross prevention shutdown, micro-capacitance sensor can be caused to lose the electric power of support, make the micro-grid system framework of prior art very fragility be easy to paralysis.
Summary of the invention
In order to overcome prior art due to energy-storage units run as VF voltage source time, cause micro-capacitance sensor to there will be the major defect of unpredictable paralysis of stopping transport because discharge and recharge is not controlled, the present invention proposes a kind of the micro-grid system framework and the energy control method that improve robustness, comprise: micro-capacitance sensor supervisory control system, VF bidirectional energy-storage inverter, photovoltaic combining inverter, wind-electricity integration inverter, AC power distribution cabinet/AC distribution panel, VF batteries, photovoltaic power generation array, wind-driven generator, micro-capacitance sensor power line, monitoring communications line, VF energy-storage transformer, photovoltaic step-up transformer, wind-powered electricity generation step-up transformer, user's step-down transformer, user load, PQ energy-storage transformer, PQ batteries and PQ bidirectional energy-storage inverter, it is characterized in that:
Connect VF bidirectional energy-storage inverter by VF batteries and access micro-capacitance sensor power line by VF energy-storage transformer, forming the electrical path of voltage source electricity energy storage energy supply access micro-capacitance sensor;
Connect PQ bidirectional energy-storage inverter by PQ batteries and access micro-capacitance sensor power line by PQ energy-storage transformer, forming the electrical path of current source energy storage energy supply access micro-capacitance sensor;
Connect photovoltaic combining inverter by photovoltaic power generation array and access micro-capacitance sensor power line by photovoltaic step-up transformer, forming the electrical path of light generator unit access micro-capacitance sensor;
Connect wind-electricity integration inverter by wind-driven generator and access micro-capacitance sensor power line by wind-powered electricity generation step-up transformer, forming wind-power generation unit access micro-capacitance sensor electrical path;
User load connects AC power distribution cabinet/AC distribution panel and by user's step-down transformer access micro-capacitance sensor power line, forms user power utilization electrical path;
Micro-capacitance sensor supervisory control system connects VF bidirectional energy-storage inverter, photovoltaic combining inverter, wind-electricity integration inverter, PQ bidirectional energy-storage inverter, AC power distribution cabinet/AC distribution panel respectively by monitoring communications line, forms micro-capacitance sensor monitoring communications link;
Its control method is: VF batteries connects VF bidirectional energy-storage inverter and runs in voltage source V F mode as energy-storage units; and set VF batteries first Cross prevention control point voltage battery parameter value Voc and the second Cross prevention execution point voltage battery parameter value Voe and the first over-charge protective control point voltage battery parameter value Vic and the second over-charge protective execution point voltage battery parameter value Vie, and meet:
Voc≤Vw≤Vic；
Voc-Voe≥Vt1；
Vie-Vic≥Vt2；
Wherein: Vw is the present operating voltage parameter of VF batteries, the Vw voltage parameter of VF batteries when Vi is charging, the Vw voltage parameter of VF batteries when Vo is electric discharge; Vic is the control point voltage battery parameter value of VF bidirectional energy-storage inverter to VF batteries, and Vie is that execution point voltage battery parameter value is shut down in the protection of VF bidirectional energy-storage inverter; Voc is the control point voltage battery parameter value of VF bidirectional energy-storage inverter to VF batteries, and Voe is that VF bidirectional energy-storage inverter shuts down execution point voltage battery parameter value to the protection of VF batteries; Vt1 is with voltage parameter corresponding during the electricity of current power electric discharge t1 time, and the t1 time is for controlling in discharge process and completing the time required for microgrid energy balance; Vt2 is with voltage parameter corresponding during the electricity of current power charging t2 time, and the t2 time is for controlling in charging process and completing the time required for microgrid energy balance;
VF bidirectional energy-storage inverter Real-Time Monitoring VF batteries operating voltage parameter value is passed through by micro-capacitance sensor supervisory control system when micro-capacitance sensor runs, when when charge operation, Vi voltage battery parameter value reaches Vic, carry out controlling increase the charge power of PQ bidirectional energy-storage inverter and reduce the generating output power of photovoltaic combining inverter and photovoltaic power generation array, wind-electricity integration inverter and wind-driven generator; When running when discharging, Vo voltage battery parameter value reaches Voc, carry out the discharge power that controls to increase PQ bidirectional energy-storage inverter and the generating output power increasing photovoltaic combining inverter and photovoltaic power generation array and wind-electricity integration inverter and wind-driven generator and control AC power distribution cabinet/AC distribution panel reducing power supply to user load; When charge operation during voltage battery parameter value Vi=Vie, and during Vo=Voe, VF bidirectional energy-storage inverter performs protectiveness and shuts down; Realize VF bidirectional energy-storage inverter under uncontrollable voltage source V F pattern thus in micro-capacitance sensor, achieved the multi-functional of the controlled operation of discharge and recharge and limit protection by the monitoring of micro-capacitance sensor supervisory control system.
The present invention's employing arranges the two of the first over-charge protective control point voltage battery parameter value Vic and the second over-charge protective execution point voltage battery parameter value Vie respectively and overcharges control and scheduling co-design voltage parameter, and two mistake thing arrange the first Cross prevention control point voltage battery parameter value Voc and the second Cross prevention execution point voltage battery parameter value Voe puts control and scheduling co-design voltage parameter, micro-capacitance sensor supervisory control system makes VF batteries be operated in the interval of voltage battery parameter value Vic and Voc by control VF bidirectional energy-storage inverter, and control energy supply, energy storage and the power with energy, reaching microgrid energy is equilibrated within reliable range of operation, ensure that the continuous service of micro-grid system.
In sum, by a kind of micro-grid system framework and energy control method improving robustness of the present invention, the not controlled defect in tank voltage source can be overcome simply and effectively, enhance the reliability that VF bidirectional energy-storage inverter supports micro-capacitance sensor, improve the robustness of micro-capacitance sensor.
Accompanying drawing explanation
Fig. 1 is a kind of micro-grid system framework schematic block diagram improving robustness.
Fig. 2 is charge in batteries electric discharge required time and voltage parameter relation schematic diagram.
Embodiment
As examples of implementation, the micro-grid system framework improving robustness to a kind of by reference to the accompanying drawings and energy control method are described, but technology of the present invention and scheme are not limited to the content that the present embodiment provides.
Fig. 1 illustrates a kind of micro-grid system framework schematic block diagram improving robustness.Shown in figure, a kind of micro-grid system framework and energy control method improving robustness that the present invention proposes, comprise: micro-capacitance sensor supervisory control system (1), VF bidirectional energy-storage inverter (2), photovoltaic combining inverter (3), wind-electricity integration inverter (4), AC power distribution cabinet/AC distribution panel (5), VF batteries (6), photovoltaic power generation array (7), wind-driven generator (8), micro-capacitance sensor power line (9), monitoring communications line (10), VF energy-storage transformer (11), photovoltaic step-up transformer (12), wind-powered electricity generation step-up transformer (13), user's step-down transformer (14), user load (15), PQ energy-storage transformer (16), PQ batteries (17) and PQ bidirectional energy-storage inverter (18), it is characterized in that:
Connect VF bidirectional energy-storage inverter (2) by VF batteries (6) and access micro-capacitance sensor power line (9) by VF energy-storage transformer (11), forming the electrical path of voltage source electricity energy storage energy supply access micro-capacitance sensor;
Connect PQ bidirectional energy-storage inverter (18) by PQ batteries (17) and access micro-capacitance sensor power line (9) by PQ energy-storage transformer (16), forming the electrical path of current source energy storage energy supply access micro-capacitance sensor;
Connect photovoltaic combining inverter (3) by photovoltaic power generation array (7) and access micro-capacitance sensor power line (9) by photovoltaic step-up transformer (12), forming the electrical path of light generator unit access micro-capacitance sensor;
Connect wind-electricity integration inverter (4) by wind-driven generator (8) and access micro-capacitance sensor power line (9) by wind-powered electricity generation step-up transformer (13), forming wind-power generation unit access micro-capacitance sensor electrical path;
User load (15) connects AC power distribution cabinet/AC distribution panel (5) and by user's step-down transformer (14) access micro-capacitance sensor power line (9), forms user power utilization electrical path;
Micro-capacitance sensor supervisory control system (1) connects VF bidirectional energy-storage inverter (2), photovoltaic combining inverter (3), wind-electricity integration inverter (4), PQ bidirectional energy-storage inverter (18), AC power distribution cabinet/AC distribution panel (5) respectively by monitoring communications line (10), forms micro-capacitance sensor monitoring communications link;
Its control method is: VF batteries (6) connects VF bidirectional energy-storage inverter (2) and runs in voltage source V F mode as energy-storage units; and set VF batteries (6) first Cross prevention control point voltage battery parameter value Voc and the second Cross prevention execution point voltage battery parameter value Voe and the first over-charge protective control point voltage battery parameter value Vic and the second over-charge protective execution point voltage battery parameter value Vie, and meet:
Voc≤Vw≤Vic；
Voc-Voe≥Vt1；
Vie-Vic≥Vt2；
Wherein: Vw is the present operating voltage parameter of VF batteries (6), the Vw voltage parameter of VF batteries (6) when Vi is charging, the Vw voltage parameter of VF batteries (6) when Vo is electric discharge; Vic is the control point voltage battery parameter value of VF bidirectional energy-storage inverter (2) to VF batteries (6), and Vie is that execution point voltage battery parameter value is shut down in the protection of VF bidirectional energy-storage inverter (2); Voc is the control point voltage battery parameter value of VF bidirectional energy-storage inverter (2) to VF batteries (6), and Voe is that VF bidirectional energy-storage inverter (2) shuts down execution point voltage battery parameter value to the protection of VF batteries (6); Shown in accompanying drawing 2 charge in batteries electric discharge required time and voltage parameter relation schematic diagram, Vt1 is with voltage parameter corresponding during the electricity of current power electric discharge t1 time, and the t1 time is for controlling in discharge process and completing the time required for microgrid energy balance; Vt2 is with voltage parameter corresponding during the electricity of current power charging t2 time, and the t2 time is for controlling in charging process and completing the time required for microgrid energy balance;
Micro-capacitance sensor run time by micro-capacitance sensor supervisory control system (1) by VF bidirectional energy-storage inverter (2) Real-Time Monitoring VF batteries (6) voltage parameter, when Vi voltage battery parameter value reaches Vic when charge operation, carry out the charge power controlling to increase PQ bidirectional energy-storage inverter (18) and the generating output power reducing photovoltaic combining inverter (3) and photovoltaic power generation array (7), wind-electricity integration inverter (4) and wind-driven generator (8); When Vo voltage battery parameter value reaching Voc when running when discharging, carrying out the discharge power that controls to increase PQ bidirectional energy-storage inverter (18) and increase the generating output power of photovoltaic combining inverter (3) and photovoltaic power generation array (7) and wind-electricity integration inverter (4) and wind-driven generator (8) and control AC power distribution cabinet/AC distribution panel (5) and reduce power supply to user load (15); When charge operation during voltage battery parameter value Vi=Vie, and during Vo=Voe, VF bidirectional energy-storage inverter (2) performs protectiveness and shuts down; Realize VF bidirectional energy-storage inverter (2) under uncontrollable voltage source V F pattern thus in micro-capacitance sensor, achieved the multi-functional of the controlled operation of discharge and recharge and limit protection by the monitoring of micro-capacitance sensor supervisory control system (1).
The present invention adopts the two over-charge protective voltage parameters arranging the first over-charge protective control point voltage battery parameter value Vic and the second over-charge protective execution point voltage battery parameter value Vie respectively, and two Cross prevention voltage parameters of the first Cross prevention control point voltage battery parameter value Voc and the second Cross prevention execution point voltage battery parameter value Voe are set, micro-capacitance sensor supervisory control system (1) makes VF batteries (6) be operated in the interval of voltage battery parameter value Vic and Voc by control VF bidirectional energy-storage inverter (2), and enable micro-grid system before monitoring and execution overcharge or Cross prevention is shut down, by micro-capacitance sensor supervisory control system (1) by monitoring communications line (10) control VF bidirectional energy-storage inverter (2) respectively, photovoltaic combining inverter (3), wind-electricity integration inverter (4), PQ bidirectional energy-storage inverter (18), the energy supply of AC power distribution cabinet/AC distribution panel (5), energy storage and the power with energy, reaching microgrid energy is equilibrated within reliable range of operation, ensure that the continuous service of micro-grid system.
Claims (1)
1. one kind is improved micro-grid system framework and the energy control method of robustness, comprise: micro-capacitance sensor supervisory control system (1), VF bidirectional energy-storage inverter (2), photovoltaic combining inverter (3), wind-electricity integration inverter (4), AC power distribution cabinet/AC distribution panel (5), VF batteries (6), photovoltaic power generation array (7), wind-driven generator (8), micro-capacitance sensor power line (9), monitoring communications line (10), VF energy-storage transformer (11), photovoltaic step-up transformer (12), wind-powered electricity generation step-up transformer (13), user's step-down transformer (14), user load (15), PQ energy-storage transformer (16), PQ batteries (17) and PQ bidirectional energy-storage inverter (18), it is characterized in that:
Connect VF bidirectional energy-storage inverter (2) by VF batteries (6) and access micro-capacitance sensor power line (9) by VF energy-storage transformer (11), forming the electrical path of voltage source electricity energy storage energy supply access micro-capacitance sensor;
Connect PQ bidirectional energy-storage inverter (18) by PQ batteries (17) and access micro-capacitance sensor power line (9) by PQ energy-storage transformer (16), forming the electrical path of current source energy storage energy supply access micro-capacitance sensor;
Connect photovoltaic combining inverter (3) by photovoltaic power generation array (7) and access micro-capacitance sensor power line (9) by photovoltaic step-up transformer (12), forming the electrical path of light generator unit access micro-capacitance sensor;
Connect wind-electricity integration inverter (4) by wind-driven generator (8) and access micro-capacitance sensor power line (9) by wind-powered electricity generation step-up transformer (13), forming wind-power generation unit access micro-capacitance sensor electrical path;
User load (15) connects AC power distribution cabinet/AC distribution panel (5) and by user's step-down transformer (14) access micro-capacitance sensor power line (9), forms user power utilization electrical path;
Micro-capacitance sensor supervisory control system (1) connects VF bidirectional energy-storage inverter (2), photovoltaic combining inverter (3), wind-electricity integration inverter (4), PQ bidirectional energy-storage inverter (18), AC power distribution cabinet/AC distribution panel (5) respectively by monitoring communications line (10), forms micro-capacitance sensor monitoring communications link;
Its control method is: VF batteries (6) connects VF bidirectional energy-storage inverter (2) and runs in voltage source V F mode as energy-storage units; and set VF batteries (6) first Cross prevention control point voltage battery parameter value Voc and the second Cross prevention execution point voltage battery parameter value Voe and the first over-charge protective control point voltage battery parameter value Vic and the second over-charge protective execution point voltage battery parameter value Vie, and meet:
Voc≤Vw≤Vic；
Voc-Voe≥Vt1；
Vie-Vic≥Vt2；
Wherein: Vw is the present operating voltage parameter of VF batteries (6), the Vw voltage parameter of VF batteries (6) when Vi is charging, the Vw voltage parameter of VF batteries (6) when Vo is electric discharge; Vic is the control point voltage battery parameter value of VF bidirectional energy-storage inverter (2) to VF batteries (6), and Vie is that execution point voltage battery parameter value is shut down in the protection of VF bidirectional energy-storage inverter (2); Voc is the control point voltage battery parameter value of VF bidirectional energy-storage inverter (2) to VF batteries (6), and Voe is that VF bidirectional energy-storage inverter (2) shuts down execution point voltage battery parameter value to the protection of VF batteries (6); Vt1 is with voltage parameter corresponding during the electricity of current power electric discharge t1 time, and the t1 time is for controlling in discharge process and completing the time required for microgrid energy balance; Vt2 is with voltage parameter corresponding during the electricity of current power charging t2 time, and the t2 time is for controlling in charging process and completing the time required for microgrid energy balance;
Micro-capacitance sensor run time by micro-capacitance sensor supervisory control system (1) by VF bidirectional energy-storage inverter (2) Real-Time Monitoring VF batteries (6) voltage parameter, when Vi voltage battery parameter value reaches Vic when charge operation, carry out the charge power controlling to increase PQ bidirectional energy-storage inverter (18) and the generating output power reducing photovoltaic combining inverter (3) and photovoltaic power generation array (7), wind-electricity integration inverter (4) and wind-driven generator (8); When Vo voltage battery parameter value reaching Voc when running when discharging, carrying out the discharge power that controls to increase PQ bidirectional energy-storage inverter (18) and increase the generating output power of photovoltaic combining inverter (3) and photovoltaic power generation array (7) and wind-electricity integration inverter (4) and wind-driven generator (8) and control AC power distribution cabinet/AC distribution panel (5) and reduce power supply to user load (15); When charge operation during voltage battery parameter value Vi=Vie, and during Vo=Voe, VF bidirectional energy-storage inverter (2) performs protectiveness and shuts down; Realize VF bidirectional energy-storage inverter (2) under uncontrollable voltage source V F pattern thus in micro-capacitance sensor, achieved the multi-functional of the controlled operation of discharge and recharge and limit protection by the monitoring of micro-capacitance sensor supervisory control system (1).
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2557283A (en) * | 2016-12-04 | 2018-06-20 | Entrust Microgrid Llp | Microgrid for Use in a Built Environment and Associated Apparatuses and Methods of Operating the Same |
| CN109103920A (en) * | 2017-06-20 | 2018-12-28 | 周锡卫 | A kind of new energy micro-capacitance sensor and its control method limiting electric power based on PCC grid entry point |
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| CN103238259B (en) * | 2010-10-05 | 2016-03-23 | 艾利肯获取有限公司 | The electric power system of high pressure energy resource collecting and the practical scale of conversion recovering energy source and for the visual monitor of this system and control system |
| CN102916442A (en) * | 2012-10-17 | 2013-02-06 | 北京科诺伟业科技有限公司 | Building photovoltaic grid-connected system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2557283A (en) * | 2016-12-04 | 2018-06-20 | Entrust Microgrid Llp | Microgrid for Use in a Built Environment and Associated Apparatuses and Methods of Operating the Same |
| US11025062B2 (en) | 2016-12-04 | 2021-06-01 | Entrust Smart Home Microgrid Ltd. | Apparatus for use in a microgrid and methods of operating the same |
| CN109103920A (en) * | 2017-06-20 | 2018-12-28 | 周锡卫 | A kind of new energy micro-capacitance sensor and its control method limiting electric power based on PCC grid entry point |
| CN109103920B (en) * | 2017-06-20 | 2024-04-30 | 周锡卫 | Control method of new energy micro-grid based on PCC grid-connected point limiting power |
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