CN205039558U - Little electric wire netting battery energy storage system of intelligent community - Google Patents
Little electric wire netting battery energy storage system of intelligent community Download PDFInfo
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- CN205039558U CN205039558U CN201520675776.3U CN201520675776U CN205039558U CN 205039558 U CN205039558 U CN 205039558U CN 201520675776 U CN201520675776 U CN 201520675776U CN 205039558 U CN205039558 U CN 205039558U
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Abstract
The utility model provides a little electric wire netting battery energy storage system of intelligent community, contains two -way ACDC converter, and it exchanges the side and exchanges little electric wire netting through isolation transformer electric connection, its direct current side electric connection energy storage battery, when energy storage battery charges, this two -way ACDC converter will decline the alternating current rectification of electric wire netting side and become the direct current and supply with energy storage battery and charge, and when energy storage battery discharges, two -way ACDC converter then becomes the alternating current repayment with the direct current contravariant and arrives interchange electric wire netting a little, the utility model discloses can effectively regulate and control various distributed generator and renewable energy power generation system in the little electric wire netting of intelligent community, quality of supply is stabilized to the balanced power consumption difference that supplies, plays the peak clipping and fills out millet, the reserve effect of accident, can prevent that little electric wire netting is serious to cause the harm to energy storage battery when unusual, causes the injury to little electric wire netting in the time of also preventing the energy storage system trouble, has improved the security and the reliability of stable power supply.
Description
Technical field
The utility model relates to a kind of Intelligent Community micro-capacitance sensor battery energy storage system.
Background technology
While achieving great achievement along with economic construction and production, China has also paid the huge energy and environmental cost.Propose to realize for 2010 that energy consumption per unit reduces by 20% continue Eleventh Five-Year Plan, after total emissions of major pollutants reduces by the binding indicator of 10%, Chinese Government in 2009 again proposes the GDP CO2 emission of the year two thousand twenty unit and declined 40% ~ 45% than 2005, and emission reduction targets is included in the medium-term and long-term plans of national economy and social development as the binding indicator.China's energy-saving and emission-reduction work faces that the situation is tense, and on the one hand, the upgrading of residents consumption pattern and the proportion of electrified durable consumer goods improve, the raising of domestic energy consumption degree; On the other hand, the industry development level of the China also Chinese energy high flow rate development model of boosting.
Along with the adjustment of national energy development strategy and the requirement of development low-carbon economy, China is just accelerating the construction of resource-conserving and environment-friendly society, and electric energy is with a very important position what promote in energy efficiency.Intelligent Community micro-grid system defines the desirable Intelligent Community low-carbon energy system of circulation electricity consumption, environmental protection electricity consumption, and be development low-carbon economy, improving quality of residents'life provides strong science and technology support.Intelligent Community micro-grid system is different from conventional power distribution network, has wherein accessed a large amount of distributed power source (photovoltaic generating system, wind generator system, fuel cell generation etc.), needs to install battery energy storage system to realize storage and the release of electric energy.
Utility model content
The utility model provides a kind of Intelligent Community micro-capacitance sensor battery energy storage system, a kind ofly can to store in micro-capacitance sensor electric power or electric power be discharged to the two-way automatic movement system of micro-capacitance sensor, can various distributed power source in the micro-capacitance sensor of Effective Regulation Intelligent Community and renewable energy system, balance is for electricity consumption difference, stable power-supplying quality, play peak load shifting, the effect of emergency duty, can prevent from causing damage to energy-storage battery during micro-capacitance sensor severely subnormal, also can prevent from damaging micro-capacitance sensor during energy-storage system fault, improve the safety and reliability of stable power-supplying.
In order to achieve the above object, the utility model provides a kind of Intelligent Community micro-capacitance sensor battery energy storage system, comprises:
Two-way AC/DC current transformer, its AC is electrically connected by isolating transformer and exchanges micro-capacitance sensor, its DC side is electrically connected energy-storage battery, when energy-storage battery charges, the AC rectification of micro-capacitance sensor side becomes direct current to supply energy-storage battery charging by this two-way AC/DC current transformer, when energy-storage battery discharges, two-way AC/DC current transformer then inverse of the DC into AC feeds back to interchange micro-capacitance sensor;
AC LCL filter, it is electrically connected at the AC of two-way AC/DC current transformer, and this AC LCL filter can by the high-frequency harmonic filtering of two-way AC/DC current transformer breaker in middle frequency content;
DC side LC filter, it is electrically connected at the DC side of two-way AC/DC current transformer, and this DC side LC filter can the current/voltage harmonic wave of filtering radio-frequency component, suppresses high frequency ripple;
Battery management system, it is electrically connected energy-storage battery, and this battery management system controls energy-storage battery;
PCS supervisory control system, it connects two-way AC/DC current transformer and battery management system respectively by communication interface, this PCS supervisory control system controls Intelligent Community micro-capacitance sensor battery energy storage system and switches between energy-storage battery charge mode and energy-storage battery discharge mode, realizes energy-storage battery and the energy two-way exchange exchanged between micro-capacitance sensor.
Described Intelligent Community micro-capacitance sensor battery energy storage system also comprises:
AC electromagnetic interface filter, it is electrically connected at the AC of two-way AC/DC current transformer, can remove AC electromagnetic interference;
DC side electromagnetic interface filter, it is electrically connected at the DC side of two-way AC/DC current transformer, can remove DC side electromagnetic interference.
Described Intelligent Community micro-capacitance sensor battery energy storage system also comprises:
AC main contactor, it is electrically connected at the AC of two-way AC/DC current transformer;
AC pre-charge circuit, it is in parallel with AC main contactor;
Main circuit breaker, it is electrically connected at the AC of two-way AC/DC current transformer;
DC side circuit breaker, it is electrically connected at the DC side of two-way AC/DC current transformer;
DC side pre-charge circuit, it is in parallel with DC side circuit breaker.
The utility model can various distributed power source in the micro-capacitance sensor of Effective Regulation Intelligent Community and renewable energy system, balance is for electricity consumption difference, stable power-supplying quality, play the effect of peak load shifting, emergency duty, can prevent from causing damage to energy-storage battery during micro-capacitance sensor severely subnormal, also can prevent from damaging micro-capacitance sensor during energy-storage system fault, improve the safety and reliability of stable power-supplying.
Accompanying drawing explanation
Fig. 1 is the circuit block diagram of the Intelligent Community micro-capacitance sensor battery energy storage system that the utility model provides.
Embodiment
Illustrate preferred embodiment of the present utility model according to Fig. 1 below.
As shown in Figure 1, the utility model provides a kind of Intelligent Community micro-capacitance sensor battery energy storage system, comprises:
Two-way AC/DC current transformer 1, its AC is electrically connected by isolating transformer 3 and exchanges micro-capacitance sensor 15, its DC side is electrically connected energy-storage battery 12, when energy-storage battery 12 charges, the AC rectification of micro-capacitance sensor 15 side becomes direct current supply energy-storage battery 12 to charge by this two-way AC/DC current transformer 1, when energy-storage battery 12 discharges, two-way AC/DC current transformer 1 inverse of the DC into AC feeds back to and exchanges micro-capacitance sensor 15;
AC LCL filter 2, it is electrically connected at the AC of two-way AC/DC current transformer 1, and this AC LCL filter 2 can by the high-frequency harmonic filtering of two-way AC/DC current transformer 1 breaker in middle frequency content;
DC side LC filter 8, it is electrically connected at the DC side of two-way AC/DC current transformer 1, and this DC side LC filter 8 can the current/voltage harmonic wave of filtering radio-frequency component, suppresses high frequency ripple;
Battery management system BMS(BATTERYMANAGEMENTSYSTEM) 13, it is electrically connected energy-storage battery 12, and this battery management system 12 controls energy-storage battery 12;
PCS(energy conversion system, powerconversionsystem) supervisory control system 14, it connects two-way AC/DC current transformer 1 and battery management system 13 respectively by communication interface, this PCS supervisory control system 14 controls Intelligent Community micro-capacitance sensor battery energy storage system and switches between energy-storage battery charge mode and energy-storage battery discharge mode, realizes energy-storage battery and the energy two-way exchange exchanged between micro-capacitance sensor.
Described Intelligent Community micro-capacitance sensor battery energy storage system also comprises:
AC EMI(electromagnetic interference, Electro-MagneticInterference) filter 5, it is electrically connected at the AC of two-way AC/DC current transformer 1, can remove AC electromagnetic interference;
DC side electromagnetic interface filter 9, it is electrically connected at the DC side of two-way AC/DC current transformer 1, can remove DC side electromagnetic interference.
Described Intelligent Community micro-capacitance sensor battery energy storage system also comprises:
AC main contactor 4, it is electrically connected at the AC of two-way AC/DC current transformer 1;
AC pre-charge circuit 7, it is in parallel with AC main contactor 4;
Main circuit breaker 6, it is electrically connected at the AC of two-way AC/DC current transformer 1;
DC side circuit breaker 10, it is electrically connected at the DC side of two-way AC/DC current transformer 1;
DC side pre-charge circuit 11, it is in parallel with DC side circuit breaker 10.
The Intelligent Community micro-capacitance sensor battery energy storage system that the utility model provides is for realizing energy-storage battery and the energy two-way exchange exchanged between micro-capacitance sensor, energy-storage battery charge mode and energy-storage battery discharge mode can be operated in, two-way AC/DC current transformer can four quadrant running, conversion under full load conditions between charge mode and discharge mode can realize in 100ms, meet the requirement of the anti-electrical network interference of current transformer that GB10236-88 specifies, PCS supervisory control system connects two-way AC/DC current transformer and battery management system respectively by communication interface, realize " remote measurement, remote signalling, remote control, remote regulating " etc. function, can adopt long-range, the control modes such as this locality, have and store mode of operation function at times, when breaking down with background management system, the mode of operation at times that can store according to this locality carries out work, there is perfect protection system, comprise input undervoltage, pile defection, output overvoltage, output overloading, the defencive function that temperature protection etc. are necessary.
Although content of the present utility model has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple amendment of the present utility model and substitute will be all apparent.Therefore, protection range of the present utility model should be limited to the appended claims.
Claims (3)
1. an Intelligent Community micro-capacitance sensor battery energy storage system, is characterized in that, comprises:
Two-way AC/DC current transformer (1), its AC is electrically connected by isolating transformer (3) and exchanges micro-capacitance sensor (15), its DC side is electrically connected energy-storage battery (12), when energy-storage battery (12) charges, the AC rectification of micro-capacitance sensor (15) side becomes direct current to supply energy-storage battery (12) charging by this two-way AC/DC current transformer (1), when energy-storage battery (12) discharges, two-way AC/DC current transformer (1) then inverse of the DC into AC feeds back to interchange micro-capacitance sensor (15);
AC LCL filter (2), it is electrically connected at the AC of two-way AC/DC current transformer (1), and this AC LCL filter (2) can by the high-frequency harmonic filtering of two-way AC/DC current transformer (1) breaker in middle frequency content;
DC side LC filter (8), it is electrically connected at the DC side of two-way AC/DC current transformer (1), and this DC side LC filter (8) can the current/voltage harmonic wave of filtering radio-frequency component, suppresses high frequency ripple;
Battery management system (13), it is electrically connected energy-storage battery (12), and this battery management system (12) controls energy-storage battery (12);
PCS supervisory control system (14), it connects two-way AC/DC current transformer (1) and battery management system (13) respectively by communication interface, this PCS supervisory control system (14) controls Intelligent Community micro-capacitance sensor battery energy storage system and switches between energy-storage battery charge mode and energy-storage battery discharge mode, realizes energy-storage battery and the energy two-way exchange exchanged between micro-capacitance sensor.
2. Intelligent Community as claimed in claim 1 micro-capacitance sensor battery energy storage system, it is characterized in that, described Intelligent Community micro-capacitance sensor battery energy storage system also comprises:
AC electromagnetic interface filter (5), it is electrically connected at the AC of two-way AC/DC current transformer (1), can remove AC electromagnetic interference;
DC side electromagnetic interface filter (9), it is electrically connected at the DC side of two-way AC/DC current transformer (1), can remove DC side electromagnetic interference.
3. Intelligent Community as claimed in claim 2 micro-capacitance sensor battery energy storage system, it is characterized in that, described Intelligent Community micro-capacitance sensor battery energy storage system also comprises:
AC main contactor (4), it is electrically connected at the AC of two-way AC/DC current transformer (1);
AC pre-charge circuit (7), it is in parallel with AC main contactor (4);
Main circuit breaker (6), it is electrically connected at the AC of two-way AC/DC current transformer (1);
DC side circuit breaker (10), it is electrically connected at the DC side of two-way AC/DC current transformer (1);
DC side pre-charge circuit (11), it is in parallel with DC side circuit breaker (10).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520675776.3U CN205039558U (en) | 2015-09-02 | 2015-09-02 | Little electric wire netting battery energy storage system of intelligent community |
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| CN201520675776.3U CN205039558U (en) | 2015-09-02 | 2015-09-02 | Little electric wire netting battery energy storage system of intelligent community |
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| CN205039558U true CN205039558U (en) | 2016-02-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140947A (en) * | 2015-09-02 | 2015-12-09 | 国网上海市电力公司 | Intelligent community micro power grid cell energy storage system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140947A (en) * | 2015-09-02 | 2015-12-09 | 国网上海市电力公司 | Intelligent community micro power grid cell energy storage system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170418 Address after: 200002 Nanjing East Road, Shanghai, No. 181, No. Co-patentee after: Shanghai Sai Pu Le Power Technology Co. Ltd. Patentee after: State Grid Shanghai Municipal Electric Power Company Co-patentee after: East China Electric Power Test & Research Institute Co., Ltd. Address before: 200002 Nanjing East Road, Shanghai, No. 181, No. Co-patentee before: East China Electric Power Test & Research Institute Co., Ltd. Patentee before: State Grid Shanghai Municipal Electric Power Company |