CN202564785U - Movable type container power station based on lithium battery energy storage system - Google Patents
Movable type container power station based on lithium battery energy storage system Download PDFInfo
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- CN202564785U CN202564785U CN2012201356429U CN201220135642U CN202564785U CN 202564785 U CN202564785 U CN 202564785U CN 2012201356429 U CN2012201356429 U CN 2012201356429U CN 201220135642 U CN201220135642 U CN 201220135642U CN 202564785 U CN202564785 U CN 202564785U
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Abstract
The present utility model discloses a movable type container power station based on a lithium battery energy storage system. The power station comprises a monitoring device, an energy conversion device, a reactive power compensation device, and a battery and management device. The power station is characterized in that the battery and management device is connected with the energy conversion device through a conducting wire, the energy conversion device and the reactive power compensation device are connected with the monitoring device through a conducting wire, the energy conversion device, the reactive power compensation device, the battery and management device and the monitoring device are all arranged inside a container; environment pollution and resource wastes caused by the present commonly used coal electricity, water electricity and pumped storage can be avoided, and a problem that the prior routine fixed energy storage power station is not convenient to move can be solved.
Description
Technical field
The utility model relates to the batteries to store energy technical field in intelligent grid field, specially refers to a kind of mobile container power station based on the lithium battery energy storage.
Background technology
Because the fast development that industrial or agricultural is built and the raising of villages and towns in rural areas living standards of the people; Demand to electric energy increases day by day; Requirement to the quality of power supply simultaneously also improves day by day; And the load of electrical network in the different periods of every day be uneven, has the peak that low ebb is arranged, and peaceful, the efficient and the economic aspect of electrical network had adverse effect.
Energy-storage system can be realized the peak load shifting of conventional electric power system, improves electric network security, efficient and economy, also is an urgent demand of the extensive development of renewable resource; The key technology of distributed energy and intelligent grid ended for the end of the year 2010, the about 125GW of global electric power energy storage installed capacity especially; Account for 3% of world's electric power installed capacity; The about 16GW of China's electric power energy storage installed capacity only accounts for 1.7% of national total installed capacity of electricity capacity, far below world average level.The power station that is used to bear the peak regulation task in China's electrical network mainly contains coal electricity, water power, pumped storage etc.High, the contaminated environment of coal electricity cost, and coal belongs to non-renewable resources; Water power and pumped storage are affected by environment bigger, available resource-constrained, and its development is restricted.Have, China's intelligent grid coverage rate is not high again, in the underdeveloped area of some electrical networks, presses for and a kind ofly can alleviate the power shortage situation, improves electric network security, efficient and economy, the environmental area is required low novel intelligent energy-accumulating power station.
Present energy-accumulating power station is all fixed mostly, and when needs carry out electric network reconstruction, and the energy-accumulating power station capacity is not when reaching new demand, how can efficent use of resources, former energy-accumulating power station is transferred to the area of available use; China's agricultural products is of a great variety, limited by the agricultural product self-characteristic, and how peak times of power consumption effectively utilize energy-accumulating power station with changing season, makes it transfer to other peak of power consumption area easily from non-peak of power consumption area.
Summary of the invention
The technical problem that the utility model will solve: a kind of mobile container power station based on the lithium battery energy-storage system is provided; Solving the present conventional environmental pollution and the wasting of resources of adopting coal electricity, water power and pumped storage to exist, present conventional energy-accumulating power station adopts fixed problem such as be not easy to move.
The utility model technical scheme:
A kind of mobile container power station based on the lithium battery energy-storage system; It comprises supervising device; Energy conversion device, reactive power compensator and battery and management devices thereof, battery and management devices thereof are connected with the energy conversion device lead; Energy conversion device is connected with the supervising device lead with reactive power compensator, and energy conversion device, reactive power compensator, battery and management devices thereof and supervising device are installed in the container.
A kind of mobile container power station based on the lithium battery energy-storage system, it also comprises fire detector and scavenger fan, and the fire detector alarm signal is uploaded to net accent center through the wireless GPRS module, and scavenger fan is connected with the temperature controller lead.
Energy conversion device and reactive power compensator are integrated in the screen cabinet.
Supervising device is realized communication through GPRS wireless module and net accent center.
Energy conversion device and reactive power compensator major loop all adopt three brachium pontis power model structures.
Energy conversion device comprises first filter and first digital to analog converter, is connected through lead between first filter and first digital to analog converter.
Reactive power compensator comprises second filter and second digital to analog converter, is connected through lead between second filter and second digital to analog converter.
The utility model beneficial effect:
The utility model energy conversion device, reactive power compensator major loop all adopt three brachium pontis power model structures; Both all adopt the control of line voltage directional vector in control, decompose the full decoupled control that can realize active power, reactive power through coordinate transform and DQ.When device was incorporated into the power networks, the power conversion conversion can discharge and recharge control to storage battery according to the active power instruction that the background monitoring device issues, with curve motion and the participation peak load shifting of realizing a plan; Reactive power compensator calculates the reactive current of load on the spot through the electric current at detection load place through the decoupling zero to electric current, exports to realize fast reactive through the control to power model, and real-Time Compensation is load or burden without work on the spot, thereby improve the quality of power supply on the spot; System is when network operation; Battery pack is in discharge condition, and energy conversion device carries out independent inversion as system's main power source, for loading on the spot the AC power of constant voltage constant frequency is provided; Reactive power compensator detects the electric current of load on the spot; And through to the control of power model to realize reactive power compensation on the spot, through above control, can realize the utility model be incorporated into the power networks/energy conversion device provides pure active power, reactive power compensator that pure reactive power is provided when leaving network operation.During the utility model operation; Can be through the power expectation of real-time control energy conversion equipment of supervising device and reactive power compensator; Thereby realize meritorious idle coordination control; Through the enforcement of the utility model, can realize peak load shifting and reactive power compensation on the spot function, thereby improve fail safe, efficient and the economy of electrical network electrical network.The utlity model has advantages such as pollution-free, safe, that floor space is little, particularly the utlity model has mobility, easy for installation, require low to factors such as environmental areas; Solved the present conventional environmental pollution and the wasting of resources of adopting coal electricity, water power and pumped storage to exist, present conventional energy-accumulating power station adopts fixed problem such as be not easy to move.
Description of drawings:
Fig. 1 is the utility model functional module composition diagram;
Fig. 2 is the primary circuit wiring schematic diagram of the utility model embodiment.
Embodiment:
A kind of mobile container power station based on the lithium battery energy-storage system; It comprises the (see figure 1) supervising device; Energy conversion device, reactive power compensator and battery and management devices thereof, battery and management devices thereof are connected with the energy conversion device lead; Energy conversion device is connected with the supervising device lead with reactive power compensator, and energy conversion device, reactive power compensator, battery and management devices thereof and supervising device are installed in the container.
A kind of mobile container power station based on the lithium battery energy-storage system, it also comprises fire detector and scavenger fan, and the fire detector alarm signal is uploaded to net accent center through the wireless GPRS module, and scavenger fan is connected with the temperature controller lead.
Energy conversion device and reactive power compensator are integrated in the screen cabinet.
Supervising device is realized communication through GPRS wireless module and net accent center.
Energy conversion device and reactive power compensator major loop all adopt three brachium pontis power model structures.
Energy conversion device comprises first filter and first digital to analog converter, is connected through lead between first filter and first digital to analog converter.
Reactive power compensator comprises second filter and second digital to analog converter, is connected through lead between second filter and second digital to analog converter.
Shown in Figure 2 is the primary circuit wiring schematic diagram of a kind of embodiment of the utility model.Energy conversion device and reactive power compensator are integrated in the screen cabinet, and the energy conversion device DC side is connected with battery through cable, and AC side links to each other with the isolating transformer lead, inserts the 380V bus through the energy storage switch; Reactive power compensator directly inserts the 380V bus through the energy storage switch; Supervising device adopts the GPRS wireless telecommunications with net accent center, adopts CAN net or RS485 communication with energy conversion device and reactive power compensator, and electric current, voltage measurement device CT15, the electric current of PT16, voltage measurement are uploaded to supervising device; The 380V bus is drawn power supply from the 380V bus and is supplied power to load through on-load switch through the low-pressure side of the switch access distribution transformer that is incorporated into the power networks; Electrical network is inserted in the distribution transformer high-pressure side;
The major function of present embodiment is: electrical network just often, the utility model can realize " peak load shifting " of network load and the local compensation of reactive power, improves the quality of power supply.When electrical network breaks down; Supervising device sends from network operation instruction, the tripping switch that is incorporated into the power networks automatically, and the utility model switches to from network operation; Energy conversion device provides stable voltage and frequency, reactive power compensator to compensate load or burden without work on the spot for loading on the spot in short-term.Recover just often when supervising device detects line voltage, then first tripping energy storage switch is deactivated the utility model, after withdrawing from, merges net switch, energy storage switch more successively, and the container power station is dropped into again, and by the pattern work of being incorporated into the power networks.
Energy conversion device is made up of first filter and first digital to analog converter, and first digital to analog converter adopts and constitutes the three-phase bridge structure by insulated gate bipolar transistor IGBT, and DC side is connected with battery; One end of first filter is connected with the first digital to analog converter AC side, and the other end inserts the 380V bus through isolating transformer.Reactive power compensator is made up of second filter and second digital to analog converter, and second digital to analog converter adopts and constitutes the three-phase bridge structure by insulated gate bipolar transistor IGBT, and DC side is connected with support electric capacity; One end of second filter is connected with the second digital to analog converter AC side, and the other end directly inserts the 380V bus.
Energy conversion device and reactive power compensator are integrated in the screen cabinet in the utility model; Coordination control strategy between them is following: in control, all adopt the control of line voltage directional vector, decompose the full decoupled control that can realize active power, reactive power through coordinate transform and DQ.When device was incorporated into the power networks, energy conversion device can discharge and recharge control to battery according to the active power instruction that supervising device issues, with curve motion and the participation peak load shifting of realizing a plan; Reactive power compensator calculates the reactive current of load on the spot through the electric current at detection load place through the decoupling zero to electric current, realizes fast reactive output, and real-Time Compensation is load or burden without work on the spot, thereby improves the quality of power supply on the spot; System is when network operation, and battery is in discharge condition, and energy conversion device carries out independent inversion as system's main power source, provides the AC power of constant voltage constant frequency, reactive power compensator to detect the electric current of load on the spot for loading on the spot, realizes reactive power compensation on the spot.Through above control method, can be implemented in be incorporated into the power networks/energy conversion device provides pure active power when leaving network operation, reactive power compensator provides pure reactive power.When system moves, can be through the power expectation of real-time control energy conversion equipment of supervising device and reactive power compensator, idle coordination is controlled thereby realization is gained merit.
The utility model all devices is installed in two containers.Battery and management devices thereof are installed in the container.Battery and management devices thereof are made up of several battery modules, and the battery module layering is installed on the battery carrier, and with adopting bus to be connected in series between one deck battery module, battery module adopts conducting copper to connect up and down.The four sides screen is installed in another container: switchboard, supervising device screen, transformer, power screen, be incorporated into the power networks switch, on-load switch and electric current, voltage measurement device CT15, PT15 are installed in the switchboard.In the supervising device screen monitoring equipment, display, mode controller, UPS are installed; The switch that is incorporated into the power networks, on-load switch, other screen cabinet secondary power supply system and CT15, PT15 measuring element are installed in the switchboard; Main isolating transformer and the energy storage switch installed of transformer screen; In the power screen energy conversion device, reactive power compensator, controller are installed.Container is furnished with fire detector and scavenger fan.Supervising device can be uploaded to net accent center, early warning in time through the wireless GPRS module after receiving the fire detector alarm signal; The startup of fan/stop to control through temperature controller.
Claims (7)
1. mobile container power station based on the lithium battery energy-storage system; It comprises supervising device; Energy conversion device, reactive power compensator and battery and management devices thereof is characterized in that: battery and management devices thereof are connected with the energy conversion device lead; Energy conversion device is connected with the supervising device lead with reactive power compensator, and energy conversion device, reactive power compensator, battery and management devices thereof and supervising device are installed in the container.
2. a kind of mobile container power station according to claim 1 based on the lithium battery energy-storage system; It is characterized in that: it also comprises fire detector and scavenger fan; The fire detector alarm signal is uploaded to net accent center through the wireless GPRS module, and scavenger fan is connected with the temperature controller lead.
3. a kind of mobile container power station based on the lithium battery energy-storage system according to claim 1 is characterized in that: energy conversion device and reactive power compensator are integrated in the screen cabinet.
4. a kind of mobile container power station based on the lithium battery energy-storage system according to claim 1 is characterized in that: supervising device is realized communication through GPRS wireless module and net accent center.
5. a kind of mobile container power station based on the lithium battery energy-storage system according to claim 1 is characterized in that: energy conversion device and reactive power compensator major loop all adopt three brachium pontis power model structures.
6. a kind of mobile container power station according to claim 1 based on the lithium battery energy-storage system; It is characterized in that: energy conversion device comprises first filter and first digital to analog converter, is connected through lead between first filter and first digital to analog converter.
7. a kind of mobile container power station according to claim 1 based on the lithium battery energy-storage system; It is characterized in that: reactive power compensator comprises second filter and second digital to analog converter, is connected through lead between second filter and second digital to analog converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201356429U CN202564785U (en) | 2012-08-31 | 2012-08-31 | Movable type container power station based on lithium battery energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201356429U CN202564785U (en) | 2012-08-31 | 2012-08-31 | Movable type container power station based on lithium battery energy storage system |
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| Publication Number | Publication Date |
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| CN202564785U true CN202564785U (en) | 2012-11-28 |
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| CN2012201356429U Expired - Lifetime CN202564785U (en) | 2012-08-31 | 2012-08-31 | Movable type container power station based on lithium battery energy storage system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103738615A (en) * | 2013-11-28 | 2014-04-23 | 安徽启光能源科技研究院有限公司 | Movable energy storage container air conditioning system and control method thereof |
| CN104393686A (en) * | 2014-12-01 | 2015-03-04 | 山东圣阳电源股份有限公司 | Container type energy storage system |
| CN105138053A (en) * | 2015-09-02 | 2015-12-09 | 国网上海市电力公司 | Energy-storing system |
| WO2019100926A1 (en) * | 2017-11-23 | 2019-05-31 | 中车株洲电力机车有限公司 | Energy storage power supply and rail vehicle |
| CN111055748A (en) * | 2019-11-12 | 2020-04-24 | 国网浙江省电力有限公司湖州供电公司 | A low-voltage mobile energy storage system and its control method |
-
2012
- 2012-08-31 CN CN2012201356429U patent/CN202564785U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103738615A (en) * | 2013-11-28 | 2014-04-23 | 安徽启光能源科技研究院有限公司 | Movable energy storage container air conditioning system and control method thereof |
| CN103738615B (en) * | 2013-11-28 | 2016-01-27 | 安徽启光能源科技研究院有限公司 | A kind of control method of mobile energy storage container air-conditioning system |
| CN104393686A (en) * | 2014-12-01 | 2015-03-04 | 山东圣阳电源股份有限公司 | Container type energy storage system |
| CN105138053A (en) * | 2015-09-02 | 2015-12-09 | 国网上海市电力公司 | Energy-storing system |
| WO2019100926A1 (en) * | 2017-11-23 | 2019-05-31 | 中车株洲电力机车有限公司 | Energy storage power supply and rail vehicle |
| CN111055748A (en) * | 2019-11-12 | 2020-04-24 | 国网浙江省电力有限公司湖州供电公司 | A low-voltage mobile energy storage system and its control method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121128 |