CN102427268A - Distributed energy storage peak shaving system - Google Patents

Distributed energy storage peak shaving system Download PDF

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Publication number
CN102427268A
CN102427268A CN2011103834088A CN201110383408A CN102427268A CN 102427268 A CN102427268 A CN 102427268A CN 2011103834088 A CN2011103834088 A CN 2011103834088A CN 201110383408 A CN201110383408 A CN 201110383408A CN 102427268 A CN102427268 A CN 102427268A
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China
Prior art keywords
energy storage
power supply
unit
input phase
control unit
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CN2011103834088A
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Chinese (zh)
Inventor
沈永福
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SUZHOU KANGKAI ELECTRIC CO Ltd
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SUZHOU KANGKAI ELECTRIC CO Ltd
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Priority to CN2011103834088A priority Critical patent/CN102427268A/en
Publication of CN102427268A publication Critical patent/CN102427268A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a distributed energy storage peak shaving system. The distributed energy storage peak shaving system comprises an inverter, a charger, a power supply switch, an AC (alternating current) contactor, a control unit, a timing unit, a metering unit and a power supply unit, wherein the inverter and the charger are connected with a power supply input phase line; the power supply input phase line is provided with the power supply switch and the AC contactor; the control unit is connected with the AC contactor and is used for controlling the on-off of the AC contactor; the timing unit with set timing data is connected with the control unit, and generates time control signals when the time confirms to the timing data and outputs the time control signals to the control unit; the metering unit with set measuring data is connected with the power supply input phase line and the control unit, generates electric quantity control signals when measuring that the quantity of electricity flowing through the power supply input phase line confirms to the measuring data and outputs the electric quantity control signals to the control unit; and the power supply unit is connected with the power supply input phase line and is used for supplying power to the control unit, the timing unit and the metering unit. The distributed energy storage peak shaving system can realize timing charging and discharging or quantitative charging and discharging or timing and quantitative charging and discharging of a charging energy storage device, can reasonably use electrical energy resources, and has the effects of shaving peaks and filling valleys on power grids.

Description

Distributing energy storage peak regulation system
Technical field
The present invention relates to a kind of distributing energy storage peak regulation system that controls charging energy storage device charge and discharge process.
Background technology
In the prior art, charging energy storage device (for example rechargeable battery) directly is connected on the power supply when needs charge, and when connecting on power supply, charging process promptly begins, and charging process finishes when the energy storage device that will charge is connected with the power supply disconnection.And the electric energy in the long-term no charging energy storage device also can't rationally be used.Therefore, cause the waste of resource, can not reach the purpose of making rational use of resources.
Summary of the invention
The purpose of this invention is to provide a kind of charge and discharge process, the distributing energy storage peak regulation system that electric energy is rationally utilized that can control the charging energy storage device.
For achieving the above object, the technical scheme that the present invention adopts is:
A kind of distributing energy storage peak regulation system is connected between electrical network and the charging energy storage device and is used to control discharging and recharging of described charging energy storage device, and described distributing energy storage peak regulation system comprises
Inverter, described inverter is connected with three power supply input phase lines;
Charger, described charger is connected with three power supply input phase lines;
Mains switch, described mains switch are arranged on described three power supplys input phase line;
A.C. contactor, described A.C. contactor are arranged on described three power supplys input phase line;
Control unit, described control unit are connected with described A.C. contactor and control the break-make of described A.C. contactor;
Timing unit is set with timing data in the described timing unit, and described timing unit is connected with described control unit, and described timing unit generation time control signal exports described control unit to when the time is satisfied described timing data;
Metering units; Be set with continuous data in the described metering units; And described metering units is connected with described control unit with described power supply input phase line respectively; When the electric weight that records the described power supply input phase line of flowing through when described metering units satisfied described continuous data, described metering units produced the electric energy control signal and exports described control unit to;
Power subsystem, described power subsystem is connected with described power supply input phase line, and described power subsystem is connected with described control unit, described timing unit, described metering units respectively and power supply is provided;
Described charging energy storage device is connected with described inverter or described charger.
Preferably, described distributing energy storage peak regulation system also comprises operation interface, and the described data that clock, described continuous data are set on described operation interface, and described power subsystem is connected with described operation interface and for it power supply is provided.
Preferably; Described distributing energy storage peak regulation system also comprises Charging Detail Record unit; Described Charging Detail Record unit is connected with described timing unit, described metering units and charges according to charging interval of described charging energy storage device or charge capacity, and described power subsystem is connected with described Charging Detail Record unit and for it power supply is provided.
Preferably, described Charging Detail Record unit comprises one or both in brushing card device, the coin-feed machine.
Preferably, described inverter, described charger are integrated into inverter, charger all-in-one.
Preferably; Described distributing energy storage peak regulation system also comprises the communication unit of realizing communication between a plurality of described distributing energy storage peak regulation system or the described distributing energy storage of Long-distance Control peak regulation system; Described communication unit is connected with described power subsystem, described metering units, described timing unit, described control unit, and described power subsystem is connected with described communication unit and for it power supply is provided.
Preferably; Two in described metering units and the three described power supplys input phase lines are connected, and described metering units comprises the voltage measurement part of measuring described power supply input phase line voltage, the current transformer of measuring the electric current of described power supply input phase line.
Preferably, be respectively arranged with fuse on three described power supply input phase lines.
Preferably, described mains switch is an air switch.
Operation principle of the present invention is: when the charging energy storage device need charge; It is connected with charger; Owing to be provided with mains switch and A.C. contactor on three power supply input phase lines; And this moment, mains switch and A.C. contactor all were in open mode, therefore can not charge to the charging energy storage device.Closed mains switch; Through power subsystem is that control unit, timing unit, metering units provide power supply; Closed through control unit control A.C. contactor, according to timing data is set in the timing unit, or continuous data is set in the metering units; Control the beginning and the end of charging process, reach the purpose that charging process is managed.When the charging energy storage device does not use for a long time, can it be connected with inverter, closed through power subsystem control mains switch; Closed through control unit control A.C. contactor; At this moment, the electric energy of charging in the energy storage device can feedback grid, and electric energy is rationally utilized.
Because technique scheme utilization; The present invention compared with prior art has advantage: because the present invention has adopted charger, inverter; And timing unit, metering units; Can realize the timing of charging energy storage device is discharged and recharged or quantitatively discharges and recharges or discharges and recharges at regular time and quantity, can rationally utilize the period of valley electricity price to charge, and this distributing energy storage peak regulation system can be with the electric energy feedback grid in the charging energy storage device; Rationally utilized power resource, electrical network has been played the peak-clipping and valley-filling effect.
Description of drawings
Accompanying drawing 1 is the schematic diagram of distributing energy storage peak regulation of the present invention system.
In the above accompanying drawing: 1, power subsystem; 2, control unit; 3, timing unit; 4, metering units; 5, operation interface; 6, Charging Detail Record unit; 7, communication unit.
Embodiment
Below in conjunction with embodiment shown in the drawings the present invention is further described.
Embodiment one: shown in accompanying drawing 1.
A kind of distributing energy storage peak regulation system is connected between electrical network and the charging energy storage device and is used to control discharging and recharging of charging energy storage device.
Distributing energy storage peak regulation system comprises
Inverter, charger all-in-one WE, it forms and is connected with three power supplys input phase line L1, L2, L3 by inverter and charger are integrated; Three power supplys are imported phase line L1, L2, last mains switch KF and the A.C. contactor K of being provided with of L3, and mains switch KF is an air switch; Three power supplys are imported phase line L1, L2, last fuse F 1, F2, the F3 of also being provided with of L3; Charging energy storage device E is devices such as battery pack, and is connected with inverter, charger all-in-one WE.
Control unit 2, control unit 2 are connected with A.C. contactor K and control the break-make of A.C. contactor K.
Timing unit 3 is set with timing data in the timing unit 3, and timing unit 3 is connected with control unit 2; Timing unit 3 generation time control signals export control unit 2 to when the time is satisfied timing data; This timing data can comprise zero-time, concluding time etc.
Metering units 4 is set with continuous data in the metering units 4, and metering units 4 is connected with two power supply input phase line L1, L3 and control units 2 respectively; When the electric weight that records flow through power supply input phase line L1, L3 when metering units 4 satisfied continuous data, metering units 4 produced the electric energy control signals and exports control unit 2 to; Metering units 4 comprises the voltage measurement part of measuring power supply input phase line L1, the last voltage of L3, the current transformer TA that measures the electric current of power supply input phase line L1, L3; After the voltage of phase line L1, L3 and current measurement come out, metering units 4 can draw the electric weight of flow through phase line L1 or L3.
Operation interface 5, the data that clock, continuous data are set on operation interface 5.
Charging Detail Record unit 6, Charging Detail Record unit 6 are connected with timing unit 3, metering units 4 and charge according to charging interval or the charge capacity of charging energy storage device E; Charging Detail Record unit 6 comprises one or both in brushing card device, the coin-feed machine.
Communication unit 7, communication unit 7 can be realized communication or Long-distance Control distributing energy storage peak regulation system between a plurality of distributing energy storage peak regulation system, and communication unit 7 is connected with power subsystem 1, metering units 4, timing unit 3, control unit 2.
Power subsystem 1, power subsystem 1 and power supply input phase line L2, L3 are connected, and power subsystem 1 is connected with control unit 2, timing unit 3, metering units 4, operation interface 5, Charging Detail Record unit 6, communication unit 7 and power supply is provided for each several part.
Above-mentioned distributing energy storage peak regulation system can configure timing data in advance, or in metering units 4, configure continuous data, or timing data and continuous data are set simultaneously in use in timing unit 3.The energy storage device E that will charge then is connected with inverter, charger all-in-one WE; Closed mains switch KF provides power supply through power subsystem 1 for control unit 2, timing unit 3, metering units 4, operation interface 5, Charging Detail Record unit 6, communication unit 7, and the zero-time in timing unit 3 then; Timing unit 3 sends time control signal and exports control unit 2 to; K are closed for control unit 2 control A.C. contactor, and at this moment, the charging energy storage device is communicated with electrical network and begins charge or discharge; When using charger, charge, when using inverter, discharge; When the concluding time in the timing unit 3 to or metering units 4 electric weight that records the phase line L that flows through when satisfying continuous data; Timing unit 3 sends time control signal to control unit 2 or metering units 4 sends electric energy control signal to control unit 2; Control unit 2 control A.C. contactor K break off complete charge or discharge process.
When need charge, in the time of can timing data being set in electrical network valley electricity price; When need discharge, in the time of can timing data being set in electrical network peak value electricity price, can making full use of the valley electricity price like this, and electrical network is played the peak-clipping and valley-filling effect.Utilize above-mentioned distributing energy storage peak regulation system can realize regularly discharging and recharging, quantitatively discharge and recharge, discharging and recharging at regular time and quantity etc., can or realize Long-distance Control with a plurality of distributing energy storage peak regulation system group networks it through communication unit 7, easy to use.When this distributing energy storage peak regulation system provides public charging to serve, can carry out reasonable fee through Charging Detail Record unit 6.For example, be applied to Public Parking or unit and the charging service be provided for the public's electric motor car, can reasonable fee and charging process controlled.When battery of electric vehicle does not use for a long time, can the electric energy feedback grid in the battery be realized certain economic benefits and social benefit.
The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to let the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.

Claims (9)

1. distributing energy storage peak regulation system is connected between electrical network and the charging energy storage device and is used to control discharging and recharging of described charging energy storage device, it is characterized in that: described distributing energy storage peak regulation system comprises
Inverter, described inverter is connected with three power supply input phase lines;
Charger, described charger is connected with three power supply input phase lines;
Mains switch, described mains switch are arranged on described three power supplys input phase line;
A.C. contactor, described A.C. contactor are arranged on described three power supplys input phase line;
Control unit, described control unit are connected with described A.C. contactor and control the break-make of described A.C. contactor;
Timing unit is set with timing data in the described timing unit, and described timing unit is connected with described control unit, and described timing unit generation time control signal exports described control unit to when the time is satisfied described timing data;
Metering units; Be set with continuous data in the described metering units; And described metering units is connected with described control unit with described power supply input phase line respectively; When the electric weight that records the described power supply input phase line of flowing through when described metering units satisfied described continuous data, described metering units produced the electric energy control signal and exports described control unit to;
Power subsystem, described power subsystem is connected with described power supply input phase line, and described power subsystem is connected with described control unit, described timing unit, described metering units respectively and power supply is provided;
Described charging energy storage device is connected with described inverter or described charger.
2. distributing energy storage peak regulation according to claim 1 system; It is characterized in that: described distributing energy storage peak regulation system also comprises operation interface; The described data that clock, described continuous data are set on described operation interface, and described power subsystem is connected with described operation interface and for it power supply is provided.
3. distributing energy storage peak regulation according to claim 1 system; It is characterized in that: described distributing energy storage peak regulation system also comprises Charging Detail Record unit; Described Charging Detail Record unit is connected with described timing unit, described metering units and charges according to charging interval of described charging energy storage device or charge capacity, and described power subsystem is connected with described Charging Detail Record unit and for it power supply is provided.
4. Charge Management device according to claim 3 is characterized in that: described Charging Detail Record unit comprises one or both in brushing card device, the coin-feed machine.
5. distributing energy storage peak regulation according to claim 1 system, it is characterized in that: described inverter, described charger are integrated into inverter, charger all-in-one.
6. distributing energy storage peak regulation according to claim 1 system; It is characterized in that: described distributing energy storage peak regulation system also comprises the communication unit of realizing communication between a plurality of described distributing energy storage peak regulation system or the described distributing energy storage of Long-distance Control peak regulation system; Described communication unit is connected with described power subsystem, described metering units, described timing unit, described control unit, and described power subsystem is connected with described communication unit and for it power supply is provided.
7. distributing energy storage peak regulation according to claim 1 system; It is characterized in that: two in described metering units and the three described power supplys input phase lines are connected, and described metering units comprises the voltage measurement part of measuring described power supply input phase line voltage, the current transformer of measuring the electric current of described power supply input phase line.
8. distributing energy storage peak regulation according to claim 1 system is characterized in that: be respectively arranged with fuse on three described power supplys input phase lines.
9. distributing energy storage peak regulation according to claim 1 system, it is characterized in that: described mains switch is an air switch.
CN2011103834088A 2011-11-28 2011-11-28 Distributed energy storage peak shaving system Pending CN102427268A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104319796A (en) * 2014-11-18 2015-01-28 李杰波 Point-to-point electric power peak shaving system
CN110838719A (en) * 2019-11-27 2020-02-25 国网电子商务有限公司 Source network load and storage cooperation method and system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001178007A (en) * 1999-12-15 2001-06-29 Hitachi Cable Ltd Battery charging facility
CN201142580Y (en) * 2007-12-21 2008-10-29 天津华云自控股份有限公司 Three-in one-out circuit of EPS emergency power supply
CN101335464A (en) * 2008-07-02 2008-12-31 胡珏 Integrated control system for electricity distributing and metering
CN201789320U (en) * 2010-07-08 2011-04-06 威海好乐功能水设备有限公司 Electric automobile intelligent timed charging device
CN202009256U (en) * 2011-03-22 2011-10-12 中国电力科学研究院 Integrated charger

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001178007A (en) * 1999-12-15 2001-06-29 Hitachi Cable Ltd Battery charging facility
CN201142580Y (en) * 2007-12-21 2008-10-29 天津华云自控股份有限公司 Three-in one-out circuit of EPS emergency power supply
CN101335464A (en) * 2008-07-02 2008-12-31 胡珏 Integrated control system for electricity distributing and metering
CN201789320U (en) * 2010-07-08 2011-04-06 威海好乐功能水设备有限公司 Electric automobile intelligent timed charging device
CN202009256U (en) * 2011-03-22 2011-10-12 中国电力科学研究院 Integrated charger

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104319796A (en) * 2014-11-18 2015-01-28 李杰波 Point-to-point electric power peak shaving system
CN110838719A (en) * 2019-11-27 2020-02-25 国网电子商务有限公司 Source network load and storage cooperation method and system
CN110838719B (en) * 2019-11-27 2021-08-20 国网电子商务有限公司 Source network load and storage cooperation method and system

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Application publication date: 20120425