CN103595063B - A kind of energy accumulation current converter and battery energy storage system thereof - Google Patents

A kind of energy accumulation current converter and battery energy storage system thereof Download PDF

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Publication number
CN103595063B
CN103595063B CN201310594721.5A CN201310594721A CN103595063B CN 103595063 B CN103595063 B CN 103595063B CN 201310594721 A CN201310594721 A CN 201310594721A CN 103595063 B CN103595063 B CN 103595063B
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filter
circuit breaker
module
connects
energy storage
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CN103595063A (en
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张宇
时珊珊
柳劲松
刘隽
包海龙
刘舒
方陈
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State Grid Shanghai Electric Power Co Ltd
East China Power Test and Research Institute Co Ltd
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State Grid Shanghai Electric Power Co Ltd
East China Power Test and Research Institute Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/40Arrangements for reducing harmonics
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • Y02P80/14District level solutions, i.e. local energy networks

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

The present invention relates to a kind of energy accumulation current converter and battery energy storage system thereof, this energy accumulation current converter comprises AC/DC module, LCL filter, main contactor, interchange electromagnetic interface filter, AC pre-charge circuit, main circuit breaker, CL filter, direct current electromagnetic interface filter, DC side pre-charge circuit and DC side circuit breaker, the AC of described AC/DC module is connected with LCL filter, main contactor, interchange electromagnetic interface filter and main circuit breaker in turn, and described AC pre-charge circuit is connected in parallel on the two ends of main contactor; The DC side of described AC/DC module is connected with CL filter, direct current electromagnetic interface filter and DC side circuit breaker in turn, and described DC side pre-charge circuit is connected in parallel on the two ends of DC side circuit breaker.The invention solves the problem of power fluctuation in microgrid, improve the reliable of microgrid operation.

Description

A kind of energy accumulation current converter and battery energy storage system thereof
Technical field
The present invention relates to a kind of energy accumulation current converter and battery energy storage system thereof.
Background technology
Distributed generation technology relies on it can improve system power supply reliability, reduce terminal use's expense, reduce line loss, improve the extensive concern that the advantages such as the quality of power supply obtain the whole society.Distributed power generation mainly comprises all kinds of renewable energy power generation (wind energy, solar energy, biomass energy etc.), and the feature of its clean environment firendly meets the requirement of low-carbon economy development.
But, independent distributed power generation access electrical network brings certain impact to electrical network due to the feature such as intermittence, fluctuation, randomness of himself, not only cause the trend of electrical network, failure mechanism characteristic etc. more complicated, and due to its Ability of Resisting Disturbance poor, abandon light, to abandon wind phenomenon very serious, cause distributed power generation annual utilization hours to decline, have impact on the economy of distributed power generation investment.
Microgrid is the small electrical system collected by distributed power source, energy conversion apparatus, load, monitoring and protective device etc.Microgrid both can with the parallel running of large-scale power net, also can independently for local load provides electricity needs.Microgrid both can be incorporated into the power networks, and from network operation, can substantially increase the power supply reliability of load side again.Electrical network is accessed by microgrid, stabilizing of microgrid inside fluctuation can be realized dissolve, reduce the impact of distributed power source access electrical network, optimum organization additionally by distributed power source and distributed energy storage runs, can improve the digestion capability of distributed power source, therefore microgrid has become one of better form making full use of distributed power generation.
With the regenerative resource that wind-force, photovoltaic generation are representative, there is the features such as intermittence, randomness and uncertainty, bring stern challenge to the safe and reliable operation of microgrid.Energy-storage system (EnergyStorageSystem, ESS) can fill by means of it operation characteristic that can put, and effectively can overcome the fluctuation of renewable energy system.ESS is broadly divided into two classes from renewable energy system matching model by the different of its control objectives: 1) coordinate the level and smooth output pulsation of regenerative resource: comprise short-term and Long-term Fluctuation; 2) change batch (-type) regenerative resource into the schedulable energy, realize peak load shifting, plan generating etc.
According to ESS discharge and recharge time resolution characteristics, ESS can be divided into power-type ESS and energy type ESS.The former for representative, has features such as responding fast (fast charging and discharging), the life-span is long, capacity is little with ultracapacitor, flywheel ESS, is applicable to compensating short-time rating fluctuation; The latter is representative with storage battery, has the features such as capacity is large, low-response (comparing power-type ESS), power fluctuation when being applicable to compensating long.When level and smooth main wave component is low frequency component, energy type ESS can be chosen; When main wave component is high fdrequency component, generally power-type ESS can be chosen; When the existing low frequency component of main wave component, when having a high fdrequency component again, then must choose 2 kinds of ESS simultaneously and form mixing ESS patterns.
Therefore, this micro-grid system gathering multiple renewable energy sources is needed to install a set of battery energy storage system, storage and the release that microgrid carries out electric energy is incorporated to by energy accumulation current converter PCS, PCS is a kind of important component part of battery energy storage system, for realizing the bidirectional energy transmission between battery energy storage system dc-battery and AC network, at present, PCS is at solar energy, wind energy distributed generation technology always has more application, but there is the power fluctuation of larger high frequency or low frequency due to micro-grid system, the ability of existing PCS device filtering high frequency ripple and low-frequency ripple is poor, the reliability applied in micro-capacitance sensor is poor.
Summary of the invention
The object of this invention is to provide a kind of energy accumulation current converter and battery energy storage system thereof, the AC of this energy accumulation current converter is provided with LCL type filter, the high-frequency harmonic that electrical network can be produced and the high-frequency harmonic filtering of converter switches frequency, DC side is provided with CL filter, can the current/voltage harmonic wave of filtering DC side radio-frequency component, suppress high frequency ripple, be provided with electromagnetic interface filter in DC side and AC simultaneously, the humorous wave interference of further filtering, improve microgrid reliability of operation, solve the problem of power fluctuation in microgrid, microgrid operational reliability difference.
For achieving the above object, the solution of the present invention is: a kind of energy accumulation current converter, comprise AC/DC module, main contactor, AC pre-charge circuit, main circuit breaker, DC side pre-charge circuit and DC side circuit breaker, the AC of described AC/DC module connects one end of described main contactor, the other end of described main contactor connects one end of described main circuit breaker, the other end access electrical network of described main circuit breaker, described AC pre-charge circuit is connected in parallel on the two ends of main contactor, the DC side of described AC/DC module connects one end of described DC side circuit breaker, the other end of described DC side circuit breaker connects battery pack, described DC side pre-charge circuit is connected in parallel on the two ends of DC side circuit breaker, this energy accumulation current converter also comprises the LCL filter that is arranged on AC/DC module AC and exchanges electromagnetic interface filter, and be arranged on CL filter and the direct current electromagnetic interface filter of AC/DC module DC side, one end of described CL filter connects the DC side of AC/DC module, the CL filter other end connects the side of direct current electromagnetic interface filter, the opposite side of described electromagnetic interface filter connects DC side circuit breaker, one end of described LCL filter connects the AC of AC/DC module, and the other end of LCL filter connects the side exchanging electromagnetic interface filter by described main contactor, the opposite side of described electromagnetic interface filter connects described main circuit breaker.
The AC of described AC/DC module is also connected with communication lightning-protection device, and described communication lightning-protection device is connected in parallel between described main circuit breaker and electrical network.
Described AC/DC module is a three-phase bridge rectification circuit.
The present invention also provides a kind of energy-storage system applying above-mentioned energy accumulation current converter, comprise battery pack, battery management system, energy accumulation current converter, energy storage controller, energy storage monitor system, microgrid tuning controller and isolating transformer, described battery management system and battery pack communicate to connect, the AC of described energy accumulation current converter accesses microgrid by isolating transformer, the DC side of described energy accumulation current converter connects battery pack, communication port and the energy storage controller of described energy accumulation current converter communicate to connect, described energy storage controller is communicated to connect by CAN and battery management system, described energy storage monitor system is communicated to connect by RS485 interface and energy storage controller, described microgrid tuning controller is communicated to connect by Ethernet and energy storage controller, described energy accumulation current converter comprises AC/DC module, main contactor, AC pre-charge circuit, main circuit breaker, DC side pre-charge circuit and DC side circuit breaker, the AC of described AC/DC module connects one end of described main contactor, the other end of described main contactor connects one end of described main circuit breaker, the other end access electrical network of described main circuit breaker, described AC pre-charge circuit is connected in parallel on the two ends of main contactor, the DC side of described AC/DC module connects one end of described DC side circuit breaker, the other end of described DC side circuit breaker connects battery pack, described DC side pre-charge circuit is connected in parallel on the two ends of DC side circuit breaker, this energy accumulation current converter also comprises the LCL filter that is arranged on AC/DC module AC and exchanges electromagnetic interface filter, and be arranged on CL filter and the direct current electromagnetic interface filter of AC/DC module DC side, one end of described CL filter connects the DC side of AC/DC module, the CL filter other end connects the side of direct current electromagnetic interface filter, the opposite side of described electromagnetic interface filter connects DC side circuit breaker, one end of described LCL filter connects the AC of AC/DC module, and the other end of LCL filter connects the side exchanging electromagnetic interface filter by described main contactor, the opposite side of described electromagnetic interface filter connects described main circuit breaker.
The AC of described AC/DC module is also connected with communication lightning-protection device, and described communication lightning-protection device is connected in parallel between described main circuit breaker and electrical network.
Described AC/DC module is a three-phase bridge rectification circuit.
The beneficial effect that the present invention reaches: the present invention is provided with LCL type filter at the AC of energy accumulation current converter, the high-frequency harmonic that electrical network can be produced and the high-frequency harmonic filtering of converter switches frequency, DC side is provided with CL filter, can the current/voltage harmonic wave of filtering DC side radio-frequency component, suppress high frequency ripple, be provided with electromagnetic interface filter in DC side and AC, the humorous wave interference of further filtering simultaneously.Meet the requirement of the anti-electrical network interference of current transformer that GB10236-88 specifies, the harmonic wave injecting micro-capacitance sensor is effectively controlled, meets relevant national standard.Meet the requirement of the anti-micro-capacitance sensor interference of current transformer that GB10236-88 specifies, solve the power fluctuation problem of micro-capacitance sensor, improve micro-capacitance sensor reliability of operation.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of energy accumulation current converter of the present invention;
Fig. 2 is the structure principle chart of energy-storage system of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further detailed explanation.
Energy accumulation current converter embodiment of the present invention:
Energy accumulation current converter of the present invention comprises AC/DC module, main contactor, AC pre-charge circuit, main circuit breaker, DC side pre-charge circuit and DC side circuit breaker, the AC of described AC/DC module connects one end of described main contactor, the other end of described main contactor connects one end of described main circuit breaker, the other end access electrical network of described main circuit breaker, described AC pre-charge circuit is connected in parallel on the two ends of main contactor, the DC side of described AC/DC module connects one end of described DC side circuit breaker, the other end of described DC side circuit breaker connects battery pack, described DC side pre-charge circuit is connected in parallel on the two ends of DC side circuit breaker, this energy accumulation current converter also comprises the LCL filter that is arranged on AC/DC module AC and exchanges electromagnetic interface filter, and be arranged on CL filter and the direct current electromagnetic interface filter of AC/DC module DC side, one end of described CL filter connects the DC side of AC/DC module, the CL filter other end connects the side of direct current electromagnetic interface filter, the opposite side of described electromagnetic interface filter connects DC side circuit breaker, one end of described LCL filter connects the AC of AC/DC module, and the other end of LCL filter connects the side exchanging electromagnetic interface filter by described main contactor, the opposite side of described electromagnetic interface filter connects described main circuit breaker.
As shown in Figure 1, in the present embodiment, AC/DC module is a three-phase bridge rectification circuit; The AC of AC/DC module is also connected with communication lightning-protection device, communication lightning-protection device be connected in parallel on and main circuit breaker between electrical network; AC pre-charge circuit is composed in series by first resistance and first contactor; Direct current pre-charge circuit is composed in series by second resistance and second contactor.
This energy accumulation current converter is a two way convertor, the DC side access battery pack of this two way convertor, AC access micro-capacitance sensor, energy two-way exchange between battery pack and micro-capacitance sensor can be realized, batteries charging pattern and battery pack power feedback grid pattern can be operated in, when batteries charging, alternating current, through the rectifying conversion of AC/DC module, is converted to direct current and flows to battery pack by the alternating current that electrical network produces; When battery pack power has residue, the electric energy stored in battery pack, through the rectifying conversion of AC/DC module, DC power conversion battery pack sent is alternating current, flows to electrical network, realizes the two-way flow of electric energy between battery pack and electrical network;
The present embodiment is provided with LCL type filter at the AC of energy accumulation current converter, the high-frequency harmonic that electrical network can be produced and the high-frequency harmonic filtering of converter switches frequency, DC side is provided with CL filter, can the current/voltage harmonic wave of filtering DC side radio-frequency component, suppress high frequency ripple, be provided with electromagnetic interface filter in DC side and AC, the humorous wave interference of further filtering simultaneously.Meet the requirement of the anti-electrical network interference of current transformer that GB10236-88 specifies, the harmonic wave injecting electrical network is effectively controlled, meets relevant national standard.
Energy-storage system of the present invention is embodiment:
As Fig. 2, energy-storage system of the present invention comprises battery pack, battery management system, energy accumulation current converter, energy storage controller, energy storage monitor system, microgrid tuning controller and isolating transformer, described battery management system and battery pack communicate to connect, the AC of described energy accumulation current converter accesses microgrid by isolating transformer, the DC side of described energy accumulation current converter connects battery pack, communication port and the energy storage controller of described energy accumulation current converter communicate to connect, described energy storage controller is communicated to connect by CAN and battery management system, described energy storage monitor system is communicated to connect by RS485 interface and energy storage controller, described microgrid tuning controller is communicated to connect by Ethernet and energy storage controller, described energy accumulation current converter comprises AC/DC module, main contactor, AC pre-charge circuit, main circuit breaker, DC side pre-charge circuit and DC side circuit breaker, the AC of described AC/DC module connects one end of described main contactor, the other end of described main contactor connects one end of described main circuit breaker, the other end access electrical network of described main circuit breaker, described AC pre-charge circuit is connected in parallel on the two ends of main contactor, the DC side of described AC/DC module connects one end of described DC side circuit breaker, the other end of described DC side circuit breaker connects battery pack, described DC side pre-charge circuit is connected in parallel on the two ends of DC side circuit breaker, this energy accumulation current converter also comprises the LCL filter that is arranged on AC/DC module AC and exchanges electromagnetic interface filter, and be arranged on CL filter and the direct current electromagnetic interface filter of AC/DC module DC side, one end of described CL filter connects the DC side of AC/DC module, the CL filter other end connects the side of direct current electromagnetic interface filter, the opposite side of described electromagnetic interface filter connects DC side circuit breaker, one end of described LCL filter connects the AC of AC/DC module, and the other end of LCL filter connects the side exchanging electromagnetic interface filter by described main contactor, the opposite side of described electromagnetic interface filter connects described main circuit breaker.
As shown in Figure 1, in the present embodiment, AC/DC module is a three-phase bridge rectification circuit; Battery pack is lithium ion battery; The AC of AC/DC module is also connected with communication lightning-protection device, and communication lightning-protection device is connected in parallel on main circuit breaker between electrical network; AC pre-charge circuit is composed in series by by first resistance and first contactor; Direct current pre-charge circuit is made up of second resistance and second contactor.
Battery management system gathers the service data information of battery pack, energy storage controller is communicated with battery BMS by CAN, energy accumulation current converter gathers the service data information of battery pack by energy storage controller, microgrid tuning controller is by Ethernet and energy storage controller switching system information, battery information and control command, realize controlling system coordination, energy storage monitor system, by RS485 interface and energy storage controller exchange message, realizes the monitoring on the spot to energy-storage system.
The present embodiment energy-storage system adopts the operational mode that wired in parallel runs, centralized monitor manages.Energy storage monitor system carries out interface by communication interface and battery pack and PCS, can realize functions such as " remote measurement, remote signalling, remote control, remote regulating ".This energy-storage system can realize the two-way exchange of energy between battery and electrical network, and can be operated in battery charging mode and storage battery energy feedback grid pattern, specific works process coexists mutually with the embodiment of energy accumulation current converter, does not repeat them here; The Power Exchange of each Battery pack is by energy storage monitor system cooperation control, and support output-constant operation, wherein any one group is carried out in replacing cell process, automatically can increase the Power Exchange of other several groups, and maintenance is basicly stable with systems exchange power; Can adopt the control modes such as long-range, local, equipment has and stores mode of operation function at times, and when breaking down with background management system, the mode of operation at times that equipment can store according to this locality carry out work.
The present invention is provided with LCL type filter at the AC of energy accumulation current converter, the high-frequency harmonic that electrical network can be produced and the high-frequency harmonic filtering of converter switches frequency, DC side is provided with CL filter, can the current/voltage harmonic wave of filtering DC side radio-frequency component, suppress high frequency ripple, be provided with electromagnetic interface filter in DC side and AC, the humorous wave interference of further filtering simultaneously.Meet the requirement of the anti-electrical network interference of current transformer that GB10236-88 specifies, the harmonic wave injecting electrical network is effectively controlled, meets relevant national standard.Meet the requirement of the anti-electrical network interference of current transformer that GB10236-88 specifies.

Claims (6)

1. an energy accumulation current converter, comprise AC/DC module, main contactor, AC pre-charge circuit, main circuit breaker, DC side pre-charge circuit and DC side circuit breaker, the AC of described AC/DC module connects one end of described main contactor, the other end of described main contactor connects one end of described main circuit breaker, the other end access electrical network of described main circuit breaker, described AC pre-charge circuit is connected in parallel on the two ends of main contactor; The DC side of described AC/DC module connects one end of described DC side circuit breaker, and the other end of described DC side circuit breaker connects battery pack, and described DC side pre-charge circuit is connected in parallel on the two ends of DC side circuit breaker, it is characterized in that:
This energy accumulation current converter also comprises the LCL filter that is arranged on AC/DC module AC and exchanges electromagnetic interface filter, and be arranged on CL filter and the direct current electromagnetic interface filter of AC/DC module DC side, one end of described CL filter connects the DC side of AC/DC module, the CL filter other end connects the side of direct current electromagnetic interface filter, and the opposite side of described direct current electromagnetic interface filter connects DC side circuit breaker; One end of described LCL filter connects the AC of AC/DC module, and the other end of LCL filter connects the side exchanging electromagnetic interface filter by described main contactor, the opposite side of described interchange electromagnetic interface filter connects described main circuit breaker;
Described LCL filter is made up of three parts, that is: inverter side inductance, capacitive branch and grid side inductance, described inverter side inductance and the series connection of grid side inductance, described capacitive branch and inverter side inductance and grid side inductance in parallel, described capacitive branch is composed in series by a filter capacitor and an inductance.
2. energy accumulation current converter according to claim 1, it is characterized in that the AC of described AC/DC module is also connected with communication lightning-protection device, described communication lightning-protection device is connected in parallel between described main circuit breaker and electrical network.
3. energy accumulation current converter according to claim 1, is characterized in that described AC/DC module is a three-phase bridge rectification circuit.
4. the battery energy storage system of energy accumulation current converter described in an application rights requirement 1, comprise battery pack, battery management system, energy accumulation current converter, energy storage controller, energy storage monitor system, microgrid tuning controller and isolating transformer, described battery management system and battery pack communicate to connect, the AC of described energy accumulation current converter accesses microgrid by isolating transformer, the DC side of described energy accumulation current converter connects battery pack, communication port and the energy storage controller of described energy accumulation current converter communicate to connect, described energy storage controller is communicated to connect by CAN and battery management system, described energy storage monitor system is communicated to connect by RS485 interface and energy storage controller, described microgrid tuning controller is communicated to connect by Ethernet and energy storage controller, described energy accumulation current converter comprises AC/DC module, main contactor, AC pre-charge circuit, main circuit breaker, DC side pre-charge circuit and DC side circuit breaker, the AC of described AC/DC module connects one end of described main contactor, the other end of described main contactor connects one end of described main circuit breaker, the other end access electrical network of described main circuit breaker, described AC pre-charge circuit is connected in parallel on the two ends of main contactor, the DC side of described AC/DC module connects one end of described DC side circuit breaker, and the other end of described DC side circuit breaker connects battery pack, and described DC side pre-charge circuit is connected in parallel on the two ends of DC side circuit breaker, it is characterized in that:
This energy accumulation current converter also comprises the LCL filter that is arranged on AC/DC module AC and exchanges electromagnetic interface filter, and be arranged on CL filter and the direct current electromagnetic interface filter of AC/DC module DC side, one end of described CL filter connects the DC side of AC/DC module, the CL filter other end connects the side of direct current electromagnetic interface filter, and the opposite side of described direct current electromagnetic interface filter connects DC side circuit breaker; One end of described LCL filter connects the AC of AC/DC module, and the other end of LCL filter connects the side exchanging electromagnetic interface filter by described main contactor, the opposite side of described interchange electromagnetic interface filter connects described main circuit breaker;
Battery management system gathers the service data information of battery pack, energy storage controller is communicated with battery BMS by CAN, energy accumulation current converter gathers the service data information of battery pack by energy storage controller, microgrid tuning controller is by Ethernet and energy storage controller switching system information, battery information and control command, realize controlling system coordination, energy storage monitor system, by RS485 interface and energy storage controller exchange message, realizes the monitoring on the spot to energy-storage system;
Described LCL filter is made up of three parts, that is: inverter side inductance, capacitive branch and grid side inductance, described inverter side inductance and the series connection of grid side inductance, described capacitive branch and inverter side inductance and grid side inductance in parallel, described capacitive branch is composed in series by a filter capacitor and an inductance.
5. battery energy storage system according to claim 4, it is characterized in that the AC of described AC/DC module is also connected with communication lightning-protection device, described communication lightning-protection device is connected in parallel between described main circuit breaker and electrical network.
6. battery energy storage system according to claim 4, is characterized in that described AC/DC module is a three-phase bridge rectification circuit.
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* Cited by examiner, † Cited by third party
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CN113960481A (en) * 2021-09-17 2022-01-21 珠海吉瓦科技有限公司 Energy storage operation detection device, system, method and storage medium
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6903946B1 (en) * 2003-11-04 2005-06-07 Lockheed Martin Corporation Paralleled power factor correcting AC-to-DC converters with improved current balance
CN202034795U (en) * 2011-04-15 2011-11-09 陕西长岭光伏电气有限公司 Inverter interconnecting system with phase compensating function
CN202374022U (en) * 2011-11-24 2012-08-08 比亚迪股份有限公司 Charge and discharge control system
CN202721498U (en) * 2012-06-12 2013-02-06 中国电力科学研究院 Micro grid coordination controller based on PCC platform

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6903946B1 (en) * 2003-11-04 2005-06-07 Lockheed Martin Corporation Paralleled power factor correcting AC-to-DC converters with improved current balance
CN202034795U (en) * 2011-04-15 2011-11-09 陕西长岭光伏电气有限公司 Inverter interconnecting system with phase compensating function
CN202374022U (en) * 2011-11-24 2012-08-08 比亚迪股份有限公司 Charge and discharge control system
CN202721498U (en) * 2012-06-12 2013-02-06 中国电力科学研究院 Micro grid coordination controller based on PCC platform

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
用于电池储能系统并网的双向可拓展变流器及其分布式控制策略;赵彪等;《中国电机工程学报》;20111231;第31卷;第244-251页 *

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