CN103996986A - Box type energy storage transformer substation structure - Google Patents
Box type energy storage transformer substation structure Download PDFInfo
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- CN103996986A CN103996986A CN201410253870.XA CN201410253870A CN103996986A CN 103996986 A CN103996986 A CN 103996986A CN 201410253870 A CN201410253870 A CN 201410253870A CN 103996986 A CN103996986 A CN 103996986A
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- energy storage
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/14—Energy storage units
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a box type energy storage transformer substation structure which comprises a high-voltage incoming cabinet connected to a high-voltage power grid. High-voltage currents output by the high-voltage incoming cabinet are transmitted to a low-voltage switch box through a transformer and a measuring cabinet. The low-voltage switch box transmits currents to a low-voltage power grid. An energy storage chamber is arranged between the measuring cabinet and the low-voltage switch box. According to the box type energy storage transformer substation structure, a bidirectional inverter replaces a capacitor cabinet, an energy storage unit is used for achieving power factor compensation, power quality is improved, and double power sources and an energy storage power source used for providing power are omitted. When the box type energy storage transformer substation structure needs to be overhauled, the energy storage unit is utilized for providing power which can be continuous and reliable, in the electricity consumption peak period in summer, the energy storage unit can be used for supplementing power to the power grid and providing power to users, solar energy power and wind energy power also can be stored in stored electric energy, so that energy is saved, and the environment is protected. In addition, when the connected power source is interrupted, the energy storage unit provides power for important devices continuously, and the energy storage unit is used as an emergency power source on occasions where the important devices are located.
Description
Technical field
The present invention relates to a kind of box-type substation, relate in particular to a kind of box-type substation with accumulation chamber.
Background technology
Box-type substation is a kind of high voltage switchgear, distribution transformer and low-voltage distribution equipment, by indoor, the outdoor close-coupled controller switching equipment of certain connection plan row's all-in-one-piece prefabrication, being about to the functions such as high powered, transformer pressure-reducing, low-voltage distribution organically combines, be arranged on a protection against the tide, antirust, dustproof, protection against rodents, fire prevention, antitheft, heat insulation, totally-enclosed, movably in steel construction casing, electromechanical integration, totally-enclosed operation, be specially adapted to city net construction and upgrading, a kind of brand-new transformer station emerging after Shi Ji civil engineering transformer station.Box-type substation is applicable to mine, factory and enterprise, oil gas field and wind power station, and it has substituted original civil engineering power distribution room, and power distribution station becomes novel complete change power distribution equipment.
Box-type substation mostly consists of High-voltage Incoming Cabinet, high-voltage metering cubicle, high-voltage terminal cabinet, transformer, low voltage incoming line cabinet, low-voltage compensation cabinet, low-pressure line-outgoing cabinet at present, wherein low-voltage compensation cabinet utilizes capacitor switching to compensate the inductance current in electrical network, reduce line loss, improve circuit ability to transmit electricity, and improve the power factor of electrical network.
Summary of the invention
Technical problem to be solved by this invention is to realize a kind of box-type substation that utilizes energy storage device to replace capacitor to compensate.
To achieve these goals, the technical solution used in the present invention is: box energy storage substation structure, comprise the High-voltage Incoming Cabinet that connects high-voltage fence, the high-tension current of being exported by High-voltage Incoming Cabinet is through transformer, metering cabinet is delivered to low-voltage distribution cabinet, described low-voltage distribution cabinet is carried electric current to low voltage electric network, between described metering cabinet and low-voltage distribution cabinet, be provided with accumulation chamber, described accumulation chamber is provided with two-way inverter, energy-storage units, battery management system and DC master row, described energy-storage units is linked on DC master row, described DC master row is on the low pressure busbar between two-way inverter and inverter contactor access metering cabinet and low-voltage distribution cabinet, described energy-storage units output status signal is to battery management system, and between energy-storage units and DC master row, be provided with battery fling-cut switch, described battery management system output drive signal is to battery fling-cut switch.
Described box energy storage transformer station is provided with electric energy management system, described electric energy management system gathers high side voltage signal, high side switch status signal, high-pressure side circuit signal, low-pressure side voltage signal, low-side switch signal, reactive current signal, load voltage signal, load current signal, battery output current signal, and output control signals to contactor, described two-way inverter and two-way circuit control device communication, described two-way circuit control device and electric energy management system communication.
Described electric energy management system and battery management system utilize can communication, and described electric energy management system is provided with radio communication unit and communication is carried out in outside.
Described DC master row is provided with new forms of energy access point, and described new forms of energy access point connects photovoltaic power generation apparatus and/or wind power generation plant.
Between described DC master row and new forms of energy access point, be provided with new forms of energy fling-cut switch, described electric energy management system outputs control signals to new forms of energy fling-cut switch.
In described box energy storage transformer station, be also provided with temperature sensor, humidity sensor and alarm unit, described temperature sensor, humidity sensor are delivered to electric energy management system by the state of temperature signal of environment in transformer station and device, described electric energy management system is sent to remote side administration website by signal through communication unit, and described electric energy management system output alarm signal is to alarm unit.
Electric energy management system is provided with PLC controller and real-time monitoring interface.
The present invention cancels capacitor panel and substitutes with accumulation chamber, by two-way inverter operation principle in energy storage device, realize power factor compensation, improve the quality of power supply, also can cancel double loop power supply, diesel engine generator power supply simultaneously, when establishing maintenance, can utilize energy-storage units power supply, make power supply uninterrupted, continue reliable power supply; In peak of power consumption in summer, can utilize energy-storage units to supplement electrical network electric energy, give customer power supply, while can also be accessed solar energy, wind energy power supply deposits store electrical energy in, energy-conserving and environment-protective, in addition, when access power interruptions, energy-storage units, to visual plant continued power, under the occasion of visual plant, is used as emergency power supply.
Accompanying drawing explanation
Below the content of every width accompanying drawing expression in specification of the present invention and the mark in figure are briefly described:
Fig. 1 is box energy storage substation structure schematic diagram;
Fig. 2 is box energy storage Substation control theory diagram;
Fig. 3 is box energy storage transformer station circuit diagram;
Mark in above-mentioned figure is: 1, High-voltage Incoming Cabinet; 2, transformer; 3, metering cabinet; 4, accumulation chamber; 5, low-voltage distribution cabinet; 41, circuit breaker; 42, current transformer; 43, contactor; 44, two-way inverter; 45, energy-storage units; 46, new forms of energy access point.
Embodiment
, requirement more and more higher period to power supply more and more nervous at the energy, energy storage box-type substation is under intelligent grid and new forms of energy era development, with this, in conventional boxes, become on basis and design multi-functional, intelligent energy storage box-type substation, not only can ensure power supply reliability, fail safe, by solar energy, wind power generation access transformer station, in shortage of electric power area, peak load shifting can be played, in remote districts, power supply continuation can be ensured.Simultaneously for factory's visual plant provides Emergency Power.Energy storage box-type substation can be in conjunction with the reactive power problem existing in current electrical network, do not increasing on the basis of reactive compensation cabinet, allow it possess can also be to electrical network output reactive power in electrical network active power of output, not only improve combining inverter utilance, reduce equipment cost, can also improve power factor of electric network, optimize electrical network energy supply quality simultaneously.
Known referring to Fig. 1, box energy storage substation structure is High-voltage Incoming Cabinet, transformer, metering cabinet, accumulation chamber and low-voltage distribution cabinet successively, wherein High-voltage Incoming Cabinet connects high-voltage fence, transformer will carry out voltage transitions, metering cabinet carries out electric energy statistics, low-voltage distribution cabinet, for electric current is delivered to low voltage electric network, connects by low pressure busbar between metering cabinet and low-voltage distribution cabinet.
Accumulation chamber access is on low pressure busbar, accumulation chamber comprises energy-storage units (energy-storage units can be battery pack), new forms of energy access point, DC master row, two-way inverter, contactor, current transformer and circuit breaker, energy-storage units and new forms of energy access point are all linked on DC master row, DC master row is linked into low pressure busbar through two-way inverter, contactor, current transformer and circuit breaker successively, realizes the reactive power compensation of energy storage energy flow.
Above-mentioned new forms of energy access point can connect photovoltaic power generation apparatus and/or wind power generation plant, can make full use of renewable resource like this, and can be for indirectly realizing the function of new energy grid-connected power.
Known referring to Fig. 3, box energy storage transformer station is provided with electric energy management system (EMS), in accumulation chamber, be provided with battery management system (BMS), electric energy management system plays the effect of center monitoring in whole system, can realize whole system condition monitoring and Power quality management, it is controller and real-time monitoring interface that EMS system has high-speed cruising PLC.By current transformer and current Hall element, sample current signal access controller and voltage signal accesses, and switch state signal, by contactor state, the various patterns of equipment operation in actuating logic program, by EMS, send instruction, two-way inverter switches between various patterns.And by calculating apparent power, active power, reactive power, battery information, by the EMS internal processes regulating circuit quality of power supply, and give battery charging and discharging.Can also accept grid dispatching center instruction by communication in addition and carry out electric energy dispensing.
EMS Intelligent Measurement is carried out integrated fusion design by measurement, control, monitoring, protection etc.Intelligent power generation, circuit, power transformation, distribution, electricity consumption and scheduling and the one that can collect miniaturization.Adopt digital protection measurement and control integration device, adopt the measurement that directly mode of routine transformer sampling is completed voltage, electric current; The switching value information exchange contacts really up to the mark such as circuit breaker, disconnecting link position directly gather; The breaker tripping and closing of circuit breaker complete by the direct control mode of hard contact.The ethernet communication mode that possesses IEC61850 agreement is connected with supervisory control system.
As described in Figure 2, box energy storage Substation control theory diagram, electric energy management system gathers high side voltage signal, high side switch status signal, high-pressure side circuit signal, low-pressure side voltage signal, low-side switch signal, reactive current signal, load voltage signal, load current signal, battery output current signal, and outputing control signals to contactor, whether the switching of control energy-storage units to be.Two-way inverter and two-way circuit control device communication, two-way circuit control device and electric energy management system communication, and utilize can communication with battery management system, electric energy management system is provided with radio communication unit and communication is carried out in outside.Whether between this external DC master row and new forms of energy access point, be provided with new forms of energy fling-cut switch, electric energy management system outputs control signals to new forms of energy fling-cut switch, control to have by new forms of energy energy-storage units is charged.
In addition electric energy management system is also provided with temperature sensor, humidity sensor, communication unit and alarm unit, temperature sensor, humidity sensor is delivered to controller by the state of temperature signal of environment in transformer station and device, controller is sent to remote side administration website by signal through communication unit, remote side administration website can be concerned about the state of each box-type substation in real time, when system occurs when abnormal, controller output alarm signal is to alarm unit, give the alarm, remind pedestrian away from transformer station, send abnormality signal to remote side administration website simultaneously, so that staff safeguards in time.
By reference to the accompanying drawings the present invention is exemplarily described above; obviously specific implementation of the present invention is not subject to the restrictions described above; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; or without improving, design of the present invention and technical scheme are directly applied to other occasion, all within protection scope of the present invention.
Claims (7)
1. box energy storage substation structure, comprise the High-voltage Incoming Cabinet that connects high-voltage fence, the high-tension current of being exported by High-voltage Incoming Cabinet is through transformer, metering cabinet is delivered to low-voltage distribution cabinet, described low-voltage distribution cabinet is carried electric current to low voltage electric network, it is characterized in that: between described metering cabinet and low-voltage distribution cabinet, be provided with accumulation chamber, described accumulation chamber is provided with two-way inverter, energy-storage units, battery management system and DC master row, described energy-storage units is linked on DC master row, described DC master row is on the low pressure busbar between two-way inverter and inverter contactor access metering cabinet and low-voltage distribution cabinet, described energy-storage units output status signal is to battery management system, and between energy-storage units and DC master row, be provided with battery fling-cut switch, described battery management system output drive signal is to battery fling-cut switch.
2. box energy storage substation structure according to claim 1, it is characterized in that: described box energy storage transformer station is provided with electric energy management system, described electric energy management system gathers high side voltage signal, high side switch status signal, high-pressure side circuit signal, low-pressure side voltage signal, low-side switch signal, reactive current signal, load voltage signal, load current signal, battery output current signal, and output control signals to contactor, described two-way inverter and two-way circuit control device communication, described two-way circuit control device and electric energy management system communication.
3. box energy storage substation structure according to claim 2, is characterized in that: described electric energy management system and battery management system utilize can communication, and described electric energy management system is provided with radio communication unit and communication is carried out in outside.
4. according to the box energy storage substation structure described in claim 2 or 3, it is characterized in that: described DC master row is provided with new forms of energy access point, described new forms of energy access point connects photovoltaic power generation apparatus and/or wind power generation plant.
5. box energy storage substation structure according to claim 4, is characterized in that: between described DC master row and new forms of energy access point, be provided with new forms of energy fling-cut switch, described electric energy management system outputs control signals to new forms of energy fling-cut switch.
6. box energy storage substation structure according to claim 5, it is characterized in that: in described box energy storage transformer station, be also provided with temperature sensor, humidity sensor and alarm unit, described temperature sensor, humidity sensor are delivered to electric energy management system by the state of temperature signal of environment in transformer station and device, described electric energy management system is sent to remote side administration website by signal through communication unit, and described electric energy management system output alarm signal is to alarm unit.
7. box energy storage substation structure according to claim 2, is characterized in that: electric energy management system is provided with PLC controller and real-time monitoring interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410253870.XA CN103996986A (en) | 2014-06-09 | 2014-06-09 | Box type energy storage transformer substation structure |
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| CN201410253870.XA CN103996986A (en) | 2014-06-09 | 2014-06-09 | Box type energy storage transformer substation structure |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106935386A (en) * | 2017-05-05 | 2017-07-07 | 苏州东源天利电器有限公司 | The complete amorphous alloy transformer of integration |
| CN107248700A (en) * | 2017-08-14 | 2017-10-13 | 青岛特来电新能源有限公司 | Box-type substation and micro-grid system |
| PL422285A1 (en) * | 2017-07-20 | 2019-01-28 | Zpue Spółka Akcyjna | Transformer station with energy store |
| CN109361215A (en) * | 2018-12-18 | 2019-02-19 | 辽宁恒顺新能源科技有限公司 | High voltage protective module |
| PL422968A1 (en) * | 2017-09-25 | 2019-04-08 | Mirosław Główczyk | Method for protecting consumers of electrical energy, that play the key role for the state security, in the national electric power system, from long-lasting power failures |
| CN109861213A (en) * | 2019-02-26 | 2019-06-07 | 国网浙江慈溪市供电有限公司 | Power monitoring method, system and electronic device for power grid |
| CN111431200A (en) * | 2020-04-28 | 2020-07-17 | 蜂巢能源科技有限公司 | Outdoor cabinet energy storage system |
| CN111431199A (en) * | 2020-04-23 | 2020-07-17 | 深圳市科陆电子科技股份有限公司 | Power management system and management method |
| CN111555344A (en) * | 2020-05-09 | 2020-08-18 | 中国人民解放军32181部队 | Technology for user interaction of new energy box type power supply system |
| CN112103830A (en) * | 2020-10-10 | 2020-12-18 | 南通国轩新能源科技有限公司 | Medium/high voltage centralized control prefabricated cabin for energy storage power station |
| CN113765113A (en) * | 2021-10-11 | 2021-12-07 | 江西清华泰豪三波电机有限公司 | a power supply system |
| CN114013311A (en) * | 2021-12-08 | 2022-02-08 | 国网智慧能源交通技术创新中心(苏州)有限公司 | Power supply system energy storage charging case and boats and ships |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106935386A (en) * | 2017-05-05 | 2017-07-07 | 苏州东源天利电器有限公司 | The complete amorphous alloy transformer of integration |
| PL422285A1 (en) * | 2017-07-20 | 2019-01-28 | Zpue Spółka Akcyjna | Transformer station with energy store |
| CN107248700B (en) * | 2017-08-14 | 2023-09-19 | 青岛特来电新能源科技有限公司 | Box-type substation and micro-grid system |
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| PL422968A1 (en) * | 2017-09-25 | 2019-04-08 | Mirosław Główczyk | Method for protecting consumers of electrical energy, that play the key role for the state security, in the national electric power system, from long-lasting power failures |
| CN109361215A (en) * | 2018-12-18 | 2019-02-19 | 辽宁恒顺新能源科技有限公司 | High voltage protective module |
| CN109361215B (en) * | 2018-12-18 | 2024-01-19 | 辽宁恒顺新能源科技有限公司 | High-voltage protection module |
| CN109861213A (en) * | 2019-02-26 | 2019-06-07 | 国网浙江慈溪市供电有限公司 | Power monitoring method, system and electronic device for power grid |
| CN111431199A (en) * | 2020-04-23 | 2020-07-17 | 深圳市科陆电子科技股份有限公司 | Power management system and management method |
| CN111431200A (en) * | 2020-04-28 | 2020-07-17 | 蜂巢能源科技有限公司 | Outdoor cabinet energy storage system |
| CN111555344A (en) * | 2020-05-09 | 2020-08-18 | 中国人民解放军32181部队 | Technology for user interaction of new energy box type power supply system |
| CN112103830A (en) * | 2020-10-10 | 2020-12-18 | 南通国轩新能源科技有限公司 | Medium/high voltage centralized control prefabricated cabin for energy storage power station |
| CN113765113A (en) * | 2021-10-11 | 2021-12-07 | 江西清华泰豪三波电机有限公司 | a power supply system |
| CN114013311A (en) * | 2021-12-08 | 2022-02-08 | 国网智慧能源交通技术创新中心(苏州)有限公司 | Power supply system energy storage charging case and boats and ships |
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Application publication date: 20140820 |
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