CN215678585U - Energy storage test and inversion power supply integrated system - Google Patents
Energy storage test and inversion power supply integrated system Download PDFInfo
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- CN215678585U CN215678585U CN202121415064.XU CN202121415064U CN215678585U CN 215678585 U CN215678585 U CN 215678585U CN 202121415064 U CN202121415064 U CN 202121415064U CN 215678585 U CN215678585 U CN 215678585U
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Abstract
The application discloses energy storage test and contravariant power supply integral type system, wherein the integral type system includes a distribution unit, an at least energy storage module and an contravariant module, wherein the distribution unit includes transformer and an at least charge-discharge module. The transformer is provided with a high-voltage input end and a low-voltage output end, and is connected with a main power supply through the high-voltage input end, so that the voltage transmitted by the main power supply is converted into low voltage through the transformer. And the low voltages charge the corresponding energy storage module through at least one charge-discharge module to perform an energy storage test. The inversion module is electrically connected with the energy storage module and the transformer so as to enable the electric energy of the energy storage module to be inverted and then be boosted to a preset value through the transformer for use at a power supply end, so that the electric energy stored after the energy storage test is completed is fully utilized, the energy utilization efficiency is improved, the energy is saved, and extra economic benefits can be brought to a company.
Description
Technical Field
The utility model relates to the technical field of electric energy testing and utilization, in particular to an energy storage testing and inversion power supply integrated system.
Background
With the progress of technology and the continuous deep promotion of the application of clean energy in China, the proportion of new energy such as solar energy, wind energy and the like in the total energy is rapidly increased. Due to some inherent characteristics of new energy, the energy storage industry has been developed rapidly.
Large container-type energy storage modules have been used in a large number of different applications. For an integrated factory of the energy storage module, a large amount of electric energy needs to be stored during module testing, and in order to improve the safety of electric energy transmission, the electric energy needs to be released after the integrated factory testing. At present, after module testing is completed, grid-connected power supply cannot be realized between a testing platform and a power supply network of a power utilization end, and the energy storage module can only be subjected to concentrated discharge by adopting a discharge load, so that the great waste of electric energy is caused, and the production cost is improved.
The energy storage test and inversion power supply integrated system can realize the charging test of the energy storage module, and the energy storage module is merged into a user side power grid through the inversion module after the test, so that the energy use efficiency can be effectively improved, the energy is saved, and huge economic benefits can be brought to a company.
SUMMERY OF THE UTILITY MODEL
The utility model provides an energy storage test and inversion power supply integrated system, wherein the integrated system comprises:
the power distribution unit comprises a transformer and at least one charge-discharge module, wherein the transformer is provided with a high-voltage input end and a low-voltage output end and is connected with a main power supply through the high-voltage input end, and the charge-discharge module is electrically connected with the low-voltage output end;
the energy storage module is correspondingly and electrically connected with the charge-discharge module so as to carry out an energy storage test by charging through the charge-discharge module; and
and the inversion module is electrically connected with the energy storage module and the transformer so as to increase the voltage of the electric energy of the energy storage module to a preset value through the transformer after inverting the electric energy of the energy storage module, so that the electric energy can be used by a power utilization end.
In one possible embodiment, the power distribution unit further comprises a feeder cabinet, wherein the feeder cabinet electrically connects the main power source and the transformer to provide the transformer with power from the main power source.
In a possible embodiment, the power distribution unit further includes a ring main unit, wherein the ring main unit electrically connects the feeder main unit and the transformer, so as to improve reliability of supplying power to the transformer.
In a possible embodiment, the power distribution unit further includes a multi-segment branch terminal, wherein the multi-segment branch terminal is disposed at the low voltage output end to be able to output low voltages of multiple specifications simultaneously;
the charging and discharging module and the energy storage module correspond to the multi-section branch end respectively, the sub-output end of the multi-section branch end is electrically connected with the corresponding charging and discharging module through a cable respectively, and then the energy storage module is electrically connected through the charging and discharging module.
In one possible embodiment, the multi-segment tap is implemented as a three-segment tap to output AC690V, AC480V, and AC400V &230V voltages, respectively.
In a possible implementation manner, the charging and discharging module includes a circuit breaker and a rectifying module sequentially arranged between the multi-segment branch end and the energy storage module.
In a possible embodiment, the circuit breaker is further provided with a monitoring module to facilitate automatic opening and closing operation of the circuit breaker.
In one possible embodiment, the circuit breaker is further provided with a state acquisition module and a function monitoring device so as to monitor each electrical parameter on the loop in real time.
In a possible embodiment, the circuit breaker is further provided with an electrically operated mechanism.
In a possible embodiment, the integrated system further includes a container, so as to integrate the power distribution unit, the energy storage module, the inverter module, the feeder cabinet and the ring main unit in the container.
These and other objects, features and advantages of the present invention will become more fully apparent from the following detailed description.
Drawings
Fig. 1 shows a schematic diagram of an energy storage test according to a preferred embodiment of the present application.
Fig. 2 is a schematic diagram illustrating a part of the principle of an integrated system for energy storage testing and inverter power supply according to a preferred embodiment of the present application.
Detailed Description
The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the utility model, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.
It will be understood by those skilled in the art that in the disclosure of the specification, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, which are merely for convenience in describing the utility model and to simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus the terms are not to be construed as limiting the utility model.
An energy storage testing and inversion power supply integrated system according to a preferred embodiment of the present invention will be described in detail below with reference to fig. 1 and fig. 2 of the specification, wherein the energy storage testing and inversion power supply integrated system includes a power distribution unit, at least one energy storage module and an inversion module, wherein the power distribution unit includes a transformer and at least one charge-discharge module, the transformer has a high voltage input end and a low voltage output end, and is connected to a main power source through the high voltage input end, so that a voltage transmitted from the main power source is converted into a low voltage through the transformer. The low voltages charge the corresponding energy storage module through at least one charge-discharge module.
The inversion module is electrically connected with the energy storage module and the transformer. After the energy storage module is tested, the electric energy of the energy storage module is inverted through the inversion module, such as an inverter, and then the voltage is increased to a preset value through the transformer for use by a power supply end, so that the electric energy stored after the energy storage test is completed is fully utilized, the energy use efficiency is improved, the energy is saved, and extra economic benefits can be brought to a company.
It should be noted that, when the stored electric energy is tested by using the stored energy, the predetermined value reached after the electric energy is boosted by the transformer depends on the use condition of the power utilization end. For example, for a factory with 10KV bus, the predetermined value is 10 KV.
As a preferred embodiment of the present invention, the power distribution unit further includes a feeder cabinet, wherein the feeder cabinet electrically connects the main power source and the transformer. Feeder cabinet is the cabinet of being qualified for the next round of competitions promptly, and the primary function is for external equipment, for example the transformer distributes, provides the power of main power source, wherein the cabinet body the inside of feeder cabinet mainly has closing bus, control bus, circuit breaker, current transformer, intelligent electric power measurement and control instrument and is responsible for breaking apart and protect the distribution lines of female distribution to equipment of arranging.
Further preferably, the power distribution unit further includes a ring main unit, wherein the ring main unit is electrically connected to the feeder cabinet and the transformer. The ring network refers to a ring-shaped power distribution network, namely a power supply main line forms a closed ring shape. The main power supply supplies power to the annular main line through the feeder cabinet, and the power is distributed to the outside from the main line through the high-voltage switch all the way. This has the advantage that each power distribution branch can take power from both its left and right side rails. When the left rail fails, it continues to be powered from the right rail, and when the right rail fails, it continues to be powered from the left rail. In this way, although the total power supply is single-fed, it is advantageous from each distribution branch to the same extent as double-fed, so that the reliability of the supply to the transformer is increased.
In a possible embodiment, the power distribution unit further includes a multi-segment branch terminal, wherein the multi-segment branch terminal is disposed at the low-voltage output terminal, so that the transformer can output low voltages of various specifications after converting the voltage, and thus can test voltages of different levels at the same time;
meanwhile, the charging and discharging module and the energy storage module respectively correspond to the multi-section branch terminals. The sub-output ends of the multi-section branch ends are respectively and electrically connected with the corresponding charge-discharge modules through cables, and then the corresponding energy storage modules are electrically connected through the charge-discharge modules, so that the low voltages of different levels respectively led out from the multi-section branch ends are tested on the different energy storage modules, and the testing efficiency is greatly improved.
Preferably, the multi-segment tap is implemented as a three-segment tap to output AC690V, AC480V, and AC400V &230V voltages, respectively.
Further preferably, the charging and discharging module comprises a circuit breaker and a rectifying module which are sequentially arranged between the multi-section branch end and the energy storage module. The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. The low voltage from the multi-section branch terminal is rectified into direct current through the rectifying module after passing through the circuit breaker so as to conveniently charge the energy storage module for energy storage testing, wherein the rectifying module is preferably implemented as a rectifier.
Further preferably, the circuit breaker is further provided with a monitoring module so as to facilitate automatic opening and closing operations of the circuit breaker, wherein the monitoring module is preferably provided with a PMS system.
After the charging test of the energy storage module is finished, whether all or part of factory power utilization is allowed to be supplied by the energy storage module in an inverted mode is confirmed through the monitoring module; then, the monitoring module starts the inversion module according to the load function, and the voltage is increased to 10KV through the transformer after the electric energy of the energy storage module is inverted; then, the monitoring module merges the inverted electric energy into a 10KV bus for factory use through synchronous equipment according to an input instruction and the load power condition, and simultaneously, the monitoring module automatically cuts off a commercial power input circuit breaker to enable the 10KV bus for factory use to be partially or completely cut into the inverted electric energy of the energy storage module; and finally, when the monitoring module monitors that the electric energy discharge in the energy storage module is basically finished, the monitoring module sends out related instructions to switch the power utilization of the plant back to the supply of the commercial power.
Further preferably, the circuit breaker is further provided with a state acquisition module and a function monitoring device, so that each electrical parameter on the loop, including electrical parameters such as voltage, current and power on the loop, can be monitored in real time, various problems in the conveying process can be found in time conveniently, and meanwhile, collection, analysis and the like of various data are facilitated.
More preferably, the circuit breaker is also provided with an electric operating mechanism, so that the opening and closing spring in the circuit breaker can be charged at any time when the circuit breaker is powered on, and the circuit breaker can be opened and closed through a tripping device when action is needed.
In a possible implementation manner, the integrated system further comprises a container, so that the power distribution unit, the energy storage module, the inverter module, the feeder cabinet and the ring main unit are integrated in the container, thereby effectively increasing the flexibility of the integrated system, reducing the investment of equipment and plants and saving the cost. The container is implemented as a 12000(L) 2480(W) 2800(H) standard container.
It will be appreciated by persons skilled in the art that the embodiments of the utility model shown in the foregoing description are by way of example only and are not limiting of the utility model. The objects of the utility model have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the examples, and any variations or modifications of the embodiments of the present invention may be made without departing from the principles.
Claims (10)
1. The utility model provides an energy storage test and contravariant power supply integral type system which characterized in that, wherein the integral type system includes:
the power distribution unit comprises a transformer and at least one charge-discharge module, wherein the transformer is provided with a high-voltage input end and a low-voltage output end and is connected with a main power supply through the high-voltage input end, and the charge-discharge module is electrically connected with the low-voltage output end;
the energy storage module is correspondingly and electrically connected with the charge-discharge module so as to carry out an energy storage test by charging through the charge-discharge module; and
and the inversion module is electrically connected with the energy storage module and the transformer so as to increase the voltage of the electric energy of the energy storage module to a preset value through the transformer after inverting the electric energy of the energy storage module, so that the electric energy can be used by a power utilization end.
2. The integrated energy storage testing and inverter power supply system of claim 1 wherein the power distribution unit further comprises a feeder cabinet, wherein the feeder cabinet electrically connects the primary power source and the transformer to provide power from the primary power source to the transformer.
3. The integrated energy storage testing and inverter power supply system of claim 2, wherein the power distribution unit further comprises a ring main unit, wherein the ring main unit is electrically connected to the feeder cabinet and the transformer, so as to improve reliability of power supply to the transformer.
4. The integrated energy storage testing and inverter power supply system according to any one of claims 1 to 3, wherein the power distribution unit further comprises a multi-segment branch terminal, wherein the multi-segment branch terminal is disposed at the low voltage output terminal to simultaneously output low voltages of various specifications;
the charging and discharging module and the energy storage module correspond to the multi-section branch end respectively, the sub-output end of the multi-section branch end is electrically connected with the corresponding charging and discharging module through a cable respectively, and then the energy storage module is electrically connected through the charging and discharging module.
5. The integrated energy storage testing and inversion power supply system as claimed in claim 4, wherein the multi-segment terminal is implemented as a three-segment terminal to output AC690V, AC480V and AC400V &230V voltages respectively.
6. The integrated energy storage testing and inversion power supply system of claim 5, wherein the charge-discharge module comprises a circuit breaker and a rectifier module sequentially arranged between the multi-segment branch end and the energy storage module.
7. The integrated energy storage testing and inversion power supply system of claim 6, wherein the circuit breaker is further configured with a monitoring module to facilitate automatic switching on and off operation of the circuit breaker.
8. The integrated energy storage testing and inversion power supply system of claim 7, wherein the circuit breaker is further configured with a status acquisition module and a function monitoring device to facilitate real-time monitoring of electrical parameters on the circuit.
9. The integrated energy storage testing and inversion power supply system of claim 8, wherein the circuit breaker is further configured with an electric operating mechanism.
10. The integrated energy storage testing and inversion power supply system of claim 9, further comprising a container for integrating the power distribution unit, the energy storage module, the inversion module, the feeder cabinet and the ring main unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121415064.XU CN215678585U (en) | 2021-06-24 | 2021-06-24 | Energy storage test and inversion power supply integrated system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121415064.XU CN215678585U (en) | 2021-06-24 | 2021-06-24 | Energy storage test and inversion power supply integrated system |
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| Publication Number | Publication Date |
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| CN215678585U true CN215678585U (en) | 2022-01-28 |
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| CN202121415064.XU Active CN215678585U (en) | 2021-06-24 | 2021-06-24 | Energy storage test and inversion power supply integrated system |
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| CN (1) | CN215678585U (en) |
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2021
- 2021-06-24 CN CN202121415064.XU patent/CN215678585U/en active Active
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