CN118174345A - Group's cluster formula all-in-one that steps up based on energy storage - Google Patents
Group's cluster formula all-in-one that steps up based on energy storage Download PDFInfo
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- CN118174345A CN118174345A CN202410606067.3A CN202410606067A CN118174345A CN 118174345 A CN118174345 A CN 118174345A CN 202410606067 A CN202410606067 A CN 202410606067A CN 118174345 A CN118174345 A CN 118174345A
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- 238000009833 condensation Methods 0.000 description 1
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Abstract
The invention discloses an energy storage-based serial boosting all-in-one machine which comprises a main controller, a high-voltage wire inlet assembly, a power supply transformer, a serial energy storage converter and an auxiliary source power supply assembly, wherein the main controller is connected with the power supply transformer; the voltage output end of the high-voltage wire inlet component is electrically connected with the input end of the power supply transformer, the voltage output end of the power supply transformer and the common output end of the string type energy storage converter are connected with the voltage input end of the auxiliary source power supply component, and the main controller is respectively in communication connection with the high-voltage wire inlet component, the string type energy storage converter and the auxiliary source power supply component. The invention realizes grid-connected operation through the high-voltage incoming line assembly, the input of the power grid is converted by the power supply transformer to obtain output, and the output is matched with the serial energy storage converter, so that the energy storage capacity is increased, the output capacity is provided, the power allocation is performed by utilizing the main controller, and the power supply conversion efficiency is high; meanwhile, when one battery cluster of the serial battery module is out of line, other battery clusters can still be ensured to normally operate, and the operation is more reliable.
Description
Technical Field
The invention relates to the technical field of energy storage equipment, in particular to a series-type boosting all-in-one machine based on energy storage.
Background
Along with the rapid development of the energy storage industry, in order to solve the problem of high electric charge in industrial production, an energy storage system is usually integrated in a power distribution station of a factory in the prior art to finish the peak clipping and valley filling functions so as to reduce the electric charge cost in long-term production and life. However, the output capability and reliability of an energy storage converter (PCS) of the centralized battery system are low, and the centralized battery system is often shut down due to single overvoltage, single undervoltage, single cluster insulation fault, single cluster communication fault and the like.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the series-type boosting all-in-one machine based on energy storage is provided, the output capacity of an energy storage system is improved, and the energy conversion efficiency of the energy storage system is improved and the operation is more reliable.
In order to solve the technical problems, the invention adopts the following technical scheme:
The group string type boosting all-in-one machine based on energy storage comprises a main controller, a high-voltage wire inlet assembly, a power supply transformer, a group string type energy storage converter and an auxiliary source power supply assembly;
The voltage output end of the high-voltage wire inlet assembly is electrically connected with the input end of the power supply transformer, the voltage output end of the power supply transformer and the common output end of the serial-type energy storage converter are both connected with the voltage input end of the auxiliary source power supply assembly, and the main controller is respectively in communication connection with the high-voltage wire inlet assembly, the serial-type energy storage converter and the auxiliary source power supply assembly;
The voltage input end of the high-voltage wire inlet assembly is used for being externally connected with a power grid, and the independent input ends of the string type energy storage converters are used for being electrically connected with the input and output ends of the string type battery modules in a one-to-one correspondence mode.
The invention has the beneficial effects that: the group string type boosting all-in-one machine based on energy storage is provided, grid-connected operation is realized through a high-voltage incoming line assembly, power grid input is converted by a power supply transformer to obtain output, the output is matched with a group string type energy storage converter, the energy storage capacity is increased, meanwhile, the output capacity is provided, the power allocation is performed by using a main controller, the output voltage is improved, the consistency problem of a battery cluster is reduced, and the power supply conversion efficiency is high; meanwhile, when one battery cluster of the serial battery module fails, other battery clusters can still be ensured to normally operate, and the operation is more reliable.
Drawings
Fig. 1 is a schematic diagram of components and connection relations of a series-type boosting all-in-one machine based on energy storage.
Description of the reference numerals:
BY1, supply transformer; BY2, auxiliary source transformer;
I1-I6, independent input ends;
J1, a metering unit;
LED1, first charge indicator; an LED2 and a second charge indicator;
PB1, a group string type energy storage converter;
Out1-Out6 auxiliary power supply terminals;
q1, a circuit breaker;
u1, a master controller; u2, microcomputer protector; u3, uninterrupted power supply;
vint, high voltage inlet assembly.
Detailed Description
In order to describe the technical contents, the achieved objects and effects of the present invention in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
Referring to fig. 1, an energy storage based string type boost integrated machine includes a main controller U1, a high voltage inlet component Vint, a power supply transformer BY1, a string type energy storage converter PB1, and an auxiliary source power supply component;
The voltage output end of the high-voltage wire inlet component Vint is electrically connected with the input end of the power supply transformer BY1, the voltage output end of the power supply transformer BY1 and the common output end of the serial group energy storage converter PB1 are both connected with the voltage input end of the auxiliary source power supply component, and the main controller U1 is respectively in communication connection with the high-voltage wire inlet component Vint, the serial group energy storage converter PB1 and the auxiliary source power supply component;
The voltage input end of the high-voltage wire inlet component Vint is used for externally connecting a power grid, and the independent input end of the serial energy storage converter PB1 is used for electrically connecting the input and output ends of the serial battery modules in a one-to-one correspondence.
From the above description, the beneficial effects of the invention are as follows: the energy storage-based serial boosting all-in-one machine is provided, grid-connected operation is realized through a high-voltage inlet component Vint, power grid input is converted BY a power supply transformer BY1 to obtain output, the output is matched with a serial energy storage converter PB1, the energy storage capacity is increased, the output capacity is provided, the power allocation is performed BY a main controller U1, and the power supply conversion efficiency is high; meanwhile, when one battery cluster of the serial battery module fails, other battery clusters can still be ensured to normally operate, and the operation is more reliable.
Further, the series-type energy storage converter PB1 includes at least two energy storage converters;
The output ends of all the energy storage converters are connected into the common output end, and the input ends of all the energy storage converters are used for being electrically connected with the input ends and the output ends of the string type battery modules in a one-to-one correspondence mode.
As can be seen from the above description, the serial energy storage converter PB1 adopts a parallel design of a plurality of energy storage converters, and even if one of the energy storage converters or the battery cluster connected with the energy storage converter fails, the other energy storage converters and the battery cluster can still operate normally, so as to improve the reliability of the system.
Further, the auxiliary source power supply assembly comprises an auxiliary source transformer BY2 and at least two auxiliary power supply ends;
The voltage output end of the power supply transformer BY1 and the public output end of the series string type energy storage converter PB1 are electrically connected with the input end of the auxiliary source transformer BY2, and the output end of the auxiliary source transformer BY2 is electrically connected with all the auxiliary power supply ends at the same time.
From the above description, the voltage output converted BY the power supply transformer BY1 is converted BY the auxiliary source transformer BY2 and then led out from the auxiliary power supply terminals respectively, so that auxiliary power can be supplied to different devices, and the actual use requirements are met.
Further, the auxiliary source power supply assembly further comprises a metering unit J1;
the voltage output end of the power supply transformer BY1 and the common output end of the series string type energy storage converter PB1 are electrically connected with the input end of the auxiliary source transformer BY2 through the metering unit J1.
As can be seen from the above description, the metering unit J1 is designed to provide auxiliary power, and the metering unit J1 counts the electric quantity of the auxiliary power in real time at the same time, so that the metering unit J1 can be used for controlling the serial energy storage converter PB1 and the like by the auxiliary master controller U1 to optimize the control strategy.
Further, the high voltage inlet assembly Vint comprises a circuit breaker Q1, a first charge indicator LED1 and a second charge indicator LED2;
the input end of the circuit breaker Q1 is electrically connected with the first charge indicator LED1, and the output end of the circuit breaker Q1 and the second charge indicator LED2 are electrically connected with the input end of the power supply transformer BY 1;
the input end of the circuit breaker Q1 is used for being externally connected with a power grid.
As can be seen from the above description, the first charge indicator LED1 and the second charge indicator LED2 are provided at the input terminal of the circuit breaker Q1 and the input terminal of the power supply transformer BY1, respectively; the first charge indicator LED1 may be used to indicate whether the incoming line side of the grid is charged, while the second charge indicator LED2 indicates whether the incoming line side of the supply transformer BY1 is charged; the two components are matched with each other and can be used for reflecting the overall operation condition of the circuit breaker Q1 or the high-voltage wire inlet component Vint.
Further, the high-voltage wire inlet component Vint further comprises a microcomputer protector U2 and an uninterruptible power supply U3;
The microcomputer protector U2 is electrically connected with the output end of the circuit breaker Q1, the power supply input end of the microcomputer protector U2 is electrically connected with the uninterruptible power supply U3, and the uninterruptible power supply U3 is electrically connected with the auxiliary power supply end;
the uninterruptible power supply U3 is in communication connection with the master controller U1.
As can be seen from the above description, the microcomputer protector U2 provides fault protection for the high voltage inlet component Vint, and simultaneously provides the uninterruptible power supply U3, and when a fault occurs, the microcomputer protector U2 can be powered to ensure that fault data can be recorded.
Further, the power supply system further comprises a temperature control device, and the temperature control device is electrically connected with the auxiliary power supply end.
From the above description, the temperature control device can be used for controlling the temperature of some parts which are easy to generate heat in the system, so that the running stability of the system is improved.
Further, the power supply system further comprises a lighting device, wherein the lighting device is electrically connected with the auxiliary power supply end.
As is apparent from the above description, the lighting device is provided to provide illumination to the apparatus for performing maintenance work.
Referring to fig. 1, a first embodiment of the present invention is as follows:
the group string type boosting all-in-one machine based on energy storage comprises a main controller U1, a high-voltage wire inlet component Vint, a power supply transformer BY1, a group string type energy storage converter PB1 and an auxiliary source power supply component; the voltage output end of the high-voltage wire inlet component Vint is electrically connected with the input end of the power supply transformer BY1, the voltage output end of the power supply transformer BY1 and the common output end of the serial energy storage converter PB1 are both connected with the voltage input end of the auxiliary source power supply component, and the main controller U1 is respectively in communication connection with the high-voltage wire inlet component Vint, the serial energy storage converter PB1 and the auxiliary source power supply component; the independent input ends of the string type energy storage converters PB1 are used for being electrically connected with the input and output ends of the string type battery modules in a one-to-one correspondence mode.
As shown in fig. 1, the input end of the high-voltage wire inlet component Vint is connected with a 10kv power grid in parallel to provide power grid voltage, so that the loss of the system is reduced; the power supply transformer BY1 converts and outputs the power grid voltage; the group string energy storage converter PB1 comprises at least two energy storage converters; the output ends of all the energy storage converters are connected into a common output end, and the input ends of all the energy storage converters are used for being electrically connected with the input ends and the output ends of the serial battery modules in a one-to-one correspondence mode. The battery cluster is a rechargeable battery, and the input end and the output end of the battery cluster are the same port.
Wherein, a battery module comprises a plurality of battery clusters; the battery clusters are in one-to-one correspondence with the energy storage converters. The system is used for grid connection of a system with larger capacity, and the cost is effectively reduced; the energy storage capacity of the system is improved due to the serial-type design; meanwhile, when one battery cluster fails, the rest battery clusters of the system can still operate, so that the reliability of the system is improved, and more benefits can be generated. And the serial converter can effectively avoid the reduction of output electric quantity caused by the consistency problem among the battery clusters, thereby improving the efficiency of the system.
In this embodiment, the auxiliary power supply assembly includes a metering unit J1, an auxiliary transformer BY2, and at least two auxiliary power supply terminals; the voltage output end of the power supply transformer BY1 and the public output end of the series-type energy storage converter PB1 are electrically connected with the input end of the auxiliary source transformer BY2 through the metering unit J1, and the output end of the auxiliary source transformer BY2 is electrically connected with all auxiliary power supply ends at the same time.
In the present embodiment, the high voltage inlet assembly Vint includes a microcomputer protector U2, an uninterruptible power supply U3, a circuit breaker Q1, a first charge indicator LED1, and a second charge indicator LED2; the input end of the circuit breaker Q1 is electrically connected with the first charge indicator LED1, and the output end of the circuit breaker Q1 and the second charge indicator LED2 are electrically connected with the input end of the power supply transformer BY 1; the input end of the breaker Q1 is used for externally connecting a power grid. The microcomputer protector U2 is electrically connected with the output end of the circuit breaker Q1, the power supply input end of the microcomputer protector U2 is electrically connected with the uninterruptible power supply U3, and the uninterruptible power supply U3 is electrically connected with the auxiliary power supply end; the uninterruptible power supply U3 is in communication connection with the master controller U1.
In this embodiment, the integrated machine further includes a dehumidifier, a lighting device, and a temperature control device, where the temperature control device is electrically connected to the auxiliary power supply terminal. The lighting device is electrically connected with the auxiliary power supply end. The temperature control device comprises a temperature control box and a cooling fan; the two temperature control boxes are respectively used for monitoring the power supply transformer BY1, the auxiliary source transformer BY2 and the temperature conditions. The dehumidifier is responsible for keeping the humidity of the whole equipment at a low level all the time so as not to cause condensation.
In summary, according to the energy storage-based string type boosting all-in-one machine provided by the invention, grid-connected operation is realized through the high-voltage incoming line assembly, and the input of a power grid is converted by the power supply transformer to obtain output and is matched with the string type energy storage converter. The power supply system is characterized in that a plurality of battery clusters are connected, the energy storage capacity is increased, the output capacity is provided, the power is allocated by the main controller, and the power supply conversion efficiency is high; meanwhile, when one battery cluster of the serial battery module fails, other battery clusters can still be guaranteed to normally operate, the operation is more reliable, and various functional components such as temperature control and illumination are additionally arranged.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent changes made by the specification and drawings of the present invention, or direct or indirect application in the relevant art, are included in the scope of the present invention.
Claims (8)
1. The energy storage-based serial boosting all-in-one machine is characterized by comprising a main controller, a high-voltage wire inlet assembly, a power supply transformer, a serial energy storage converter and an auxiliary source power supply assembly;
The voltage output end of the high-voltage wire inlet assembly is electrically connected with the input end of the power supply transformer, the voltage output end of the power supply transformer and the common output end of the serial-type energy storage converter are both connected with the voltage input end of the auxiliary source power supply assembly, and the main controller is respectively in communication connection with the high-voltage wire inlet assembly, the serial-type energy storage converter and the auxiliary source power supply assembly;
The voltage input end of the high-voltage wire inlet assembly is used for being externally connected with a power grid, and the independent input ends of the string type energy storage converters are used for being electrically connected with the input and output ends of the string type battery modules in a one-to-one correspondence mode.
2. The energy storage-based string boost all-in-one machine of claim 1, wherein the string energy storage converters comprise at least two energy storage converters;
The output ends of all the energy storage converters are connected into the common output end, and the input ends of all the energy storage converters are used for being electrically connected with the input ends and the output ends of the string type battery modules in a one-to-one correspondence mode.
3. The energy storage-based string type boost all-in-one machine according to claim 1, wherein the auxiliary source power supply assembly comprises an auxiliary source transformer and at least two auxiliary power supply ends;
the voltage output end of the power supply transformer and the common output end of the series string type energy storage converter are electrically connected with the input end of the auxiliary source transformer, and the output end of the auxiliary source transformer is electrically connected with all the auxiliary power supply ends at the same time.
4. The energy storage-based string boost all-in-one machine of claim 3, wherein the auxiliary source power supply assembly further comprises a metering unit;
the voltage output end of the power supply transformer and the common output end of the series string type energy storage converter are electrically connected with the input end of the auxiliary source transformer through the metering unit.
5. The energy storage-based string boost all-in-one machine of claim 3, wherein the high voltage inlet assembly comprises a circuit breaker, a first charge indicator, and a second charge indicator;
The input end of the circuit breaker is electrically connected with the first charge indicator, and the output end of the circuit breaker and the second charge indicator are electrically connected with the input end of the power supply transformer;
The input end of the circuit breaker is used for being externally connected with a power grid.
6. The energy storage-based string type boost all-in-one machine according to claim 5, wherein the high-voltage wire inlet assembly further comprises a microcomputer protector and an uninterruptible power supply;
The microcomputer protector is electrically connected with the output end of the circuit breaker, the power supply input end of the microcomputer protector is electrically connected with the uninterruptible power supply, and the uninterruptible power supply is electrically connected with the auxiliary power supply end;
The uninterruptible power supply is in communication connection with the master controller.
7. The energy storage-based string type boost all-in-one machine according to claim 3, further comprising a temperature control device, wherein the temperature control device is electrically connected with the auxiliary power supply end.
8. The energy storage-based string boost all-in-one machine according to claim 3, further comprising a lighting device, wherein the lighting device is electrically connected with the auxiliary power supply terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410606067.3A CN118174345A (en) | 2024-05-16 | 2024-05-16 | Group's cluster formula all-in-one that steps up based on energy storage |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410606067.3A CN118174345A (en) | 2024-05-16 | 2024-05-16 | Group's cluster formula all-in-one that steps up based on energy storage |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107069976A (en) * | 2017-05-11 | 2017-08-18 | 沃太能源南通有限公司 | A kind of expansible group string data large-scale energy storage system |
| KR20240032473A (en) * | 2022-09-02 | 2024-03-12 | 엘지전자 주식회사 | Energy Storage System |
| CN220754388U (en) * | 2023-08-31 | 2024-04-09 | 深圳新能信息科技有限公司 | High-integration battery energy storage system |
| CN118017601A (en) * | 2024-02-27 | 2024-05-10 | 陕西光德分布式电站技术有限公司 | Method for increasing load capacity of power grid incoming line breaker |
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- 2024-05-16 CN CN202410606067.3A patent/CN118174345A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069976A (en) * | 2017-05-11 | 2017-08-18 | 沃太能源南通有限公司 | A kind of expansible group string data large-scale energy storage system |
| KR20240032473A (en) * | 2022-09-02 | 2024-03-12 | 엘지전자 주식회사 | Energy Storage System |
| CN220754388U (en) * | 2023-08-31 | 2024-04-09 | 深圳新能信息科技有限公司 | High-integration battery energy storage system |
| CN118017601A (en) * | 2024-02-27 | 2024-05-10 | 陕西光德分布式电站技术有限公司 | Method for increasing load capacity of power grid incoming line breaker |
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