CN219871594U - Aging circuit of multi-alternating-current output port energy storage inverter - Google Patents
Aging circuit of multi-alternating-current output port energy storage inverter Download PDFInfo
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- CN219871594U CN219871594U CN202321290889.2U CN202321290889U CN219871594U CN 219871594 U CN219871594 U CN 219871594U CN 202321290889 U CN202321290889 U CN 202321290889U CN 219871594 U CN219871594 U CN 219871594U
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- 230000032683 aging Effects 0.000 title claims abstract description 30
- 238000004146 energy storage Methods 0.000 title claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 27
- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 claims abstract description 20
- 102100022192 Glutamate receptor ionotropic, delta-2 Human genes 0.000 description 5
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- 101001068634 Homo sapiens Protein PRRC2A Proteins 0.000 description 4
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- 102100033954 Protein PRRC2A Human genes 0.000 description 4
- 102100024690 Spliceosome RNA helicase DDX39B Human genes 0.000 description 4
- 101150005287 EPS1 gene Proteins 0.000 description 3
- 102100024058 Flap endonuclease GEN homolog 1 Human genes 0.000 description 3
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- 102100022193 Glutamate receptor ionotropic, delta-1 Human genes 0.000 description 2
- 101000900493 Homo sapiens Glutamate receptor ionotropic, delta-1 Proteins 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
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- 238000010248 power generation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Testing Of Individual Semiconductor Devices (AREA)
Abstract
The utility model discloses an aging circuit of a multi-alternating-current output port energy storage inverter. The inverter circuit comprises a PV port, a boosting module, a conversion module and a GEN port, wherein the boosting module, the conversion module and the GEN port are sequentially connected with the PV port, the input end of the conversion module is connected with the DCDC module, the input end of the DCDC module is connected to the BAT port, and the output end of the conversion module is also connected with the EPS port and the GRID port respectively. The aging circuit is provided with two inverter circuits and a PV source, wherein the output end of the PV source is respectively connected with the PV source, the BAT port, the GEN port, the EPS port and the GRID port in the two inverter circuits, and one GRID port is connected with the input end of the PV source. In the utility model, the aging circuit connects the two inverter circuits to each other, provides electric energy by using a PV source, and sets two working modes without current flow, so that current alternately flows in the two inverter circuits, and the technical problem that an EPS port and a GEN port cannot be aged is avoided.
Description
Technical Field
The utility model relates to the field of power conversion circuit boards, in particular to an aging circuit of a multi-alternating-current output port energy storage inverter.
Background
And the rated voltage of a battery in the bidirectional energy storage photovoltaic power generation inversion system is 48V, and the maximum charge and discharge current is 120A. The aging detection of each module in the system is required due to the large current. The original aging method only ages the battery connected to the inverter PV terminal, the GRID connected to the battery, the EPS port of the emergency module and the GEN port of the connection controller. If no aging is performed for these several ports, a risk will be created. If aging is performed, a great deal of manpower and time are required to be additionally increased, resulting in inefficiency.
How to realize the aging detection of all ports without increasing manpower and saving time is a technical problem which needs to be solved.
Disclosure of Invention
The utility model aims to provide an aging circuit of a multi-alternating-current output port energy storage inverter, which aims to solve the technical problem that an EPS port and a GEN port cannot be aged in the prior art.
The utility model provides an aging circuit of a multi-alternating-current output port energy storage inverter.
The circuit comprises an inverter circuit, wherein the inverter circuit comprises a PV port, a boosting module, a conversion module and a GEN port, wherein the boosting module, the conversion module and the GEN port are sequentially and electrically connected with the PV port, the input end of the conversion module is connected with a DCDC module, the input end of the DCDC module is connected to a BAT port, and the output end of the conversion module is also connected with an EPS port and a GRID port respectively.
The aging circuit is provided with two inverter circuits and a PV source, wherein the two inverter circuits are a first circuit and a second circuit respectively; the output ends of the PV sources are respectively connected with the PV sources in the two inverter circuits; BAT ports of the two inverter circuits are connected with each other, GEN ports of the two inverter circuits are connected with each other, EPS ports of the two inverter circuits are connected with each other, GRID ports of the two inverter circuits are connected with each other, and a GRID port in a first circuit is connected with the input end of the PV source.
In the utility model, the aging circuit connects two inverter circuits to each other to supply electric energy by a PV source, and sets two working modes without current flow, so that current flows alternately in the two inverter circuits and completely flows through all modules, devices and ports of the inverter circuits in the two working modes, thereby avoiding the technical problem that the EPS ports and the GEN ports cannot be aged.
Drawings
FIG. 1 is a schematic circuit diagram of the present utility model;
FIG. 2 is a simplified schematic circuit diagram of the burn-in circuit of the present utility model operating in a first state;
fig. 3 is a simplified schematic circuit diagram of the burn-in circuit of the present utility model in operation and in a second state.
Detailed Description
The utility model is further illustrated and described below in conjunction with the specific embodiments and the accompanying drawings:
referring to fig. 1, the aging circuit of the multi-ac output port energy storage inverter comprises an inverter circuit, wherein the inverter circuit comprises a PV port, a boost module, a conversion module and a GEN port, wherein the boost module, the conversion module and the GEN port are sequentially and electrically connected with the PV port, the input end of the conversion module is connected with a DCDC module, the input end of the DCDC module is connected to a BAT port, and the output end of the conversion module is also connected with an EPS port and a GRID port respectively.
The power supply system comprises a battery, a battery charging and discharging terminal, a GRID port, an EPS port, a GEN port and a controller connection terminal, wherein the PV terminal is an inverter circuit power input terminal, the BAT terminal is an inverter circuit connected to the battery charging and discharging terminal, the GRID port is a terminal connected to a power GRID for surfing the Internet and acquiring power, the EPS port is a power supply input terminal of an emergency management power supply, and the GEN port is a connection terminal of the controller.
In the present utility model, the aging circuit has two inverter circuits, which are a first circuit 10 and a second circuit 20, respectively, and a PV source; the output ends of the PV sources are respectively connected with the PV sources in the two inverter circuits; BAT ports of the two inverter circuits are connected with each other, GEN ports of the two inverter circuits are connected with each other, EPS ports of the two inverter circuits are connected with each other, GRID ports of the two inverter circuits are connected with each other, and GRID ports in the first circuit 10 are connected with the input end of the PV source.
In the utility model, the aging circuit works in a first state or a second state.
As shown in fig. 2, in the first state, the current sequentially passes through the PV source, the PV1 port of the first circuit 10, the boost module of the first circuit 10, the DCDC module of the first circuit 10, the BAT1 port of the first circuit 10, the BAT2 port of the second circuit 20, the DCDC module of the second circuit 20, the conversion module of the second circuit 20, the EPS2 port of the second circuit 20, the EPS1 port of the first circuit 10, and the GRID2 port of the first circuit 10, and returns to the PV source.
In this first state, the burn-in circuit is burn-in for the PV1 port of the first circuit 10, the boost module of the first circuit 10, the DCDC module of the first circuit 10, the BAT1 port of the first circuit 10, the BAT2 port of the second circuit 20, the DCDC module of the second circuit 20, the conversion module of the second circuit 20, the EPS2 port of the second circuit 20, the EPS1 port of the first circuit 10, the GRID1 port of the first circuit 10, and the conversion module of the first circuit 10, the GEN1 terminal of the first circuit 10, the boost module of the second circuit 20, the GEN2 terminal of the second circuit 20, and the GRID2 terminal of the second circuit 20 of the current flow.
Referring to fig. 3, when the burn-in circuit is switched to the second state, the current sequentially passes through the PV source, the PV2 port of the second circuit 20, the boost module of the second circuit 20, the DCDC module of the second circuit 20, the BAT2 port of the second circuit 20, the BAT1 port of the first circuit 10, the DCDC module of the first circuit 10, the conversion module of the first circuit 10, the GEN1 port of the first circuit 10, the GEN2 port of the second circuit 20, and the GRID2 port of the second circuit 20 back to the PV source; the output end current of the boost module of the second circuit 20 flows into the GRID2 port of the second circuit 20 through the conversion module of the second circuit 20.
In this second state, the burn-in circuit is burned-in for the PV2 port of the second circuit 20, the boost module of the second circuit 20, the DCDC module of the second circuit 20, the BAT2 port of the second circuit 20, the BAT1 port of the first circuit 10, the DCDC module of the first circuit 10, the conversion module of the first circuit 10, the GEN1 port of the first circuit 10, the GEN2 port of the second circuit 20, the GRID2 port of the second circuit 20, the conversion module of the second circuit 20, and the boost module of the first circuit 10, the EPS1 port of the first circuit 10, the GRID1 port of the first circuit 10, and the EPS2 port of the second circuit 20 of the current flow.
In the present utility model, the aging circuit is switched to the second state after working and the first state, and alternates between the two states, so as to realize the aging of the EPS port and the GEN port in the first circuit 10 and the second circuit 20, and further realize the overall aging treatment of all the components, modules and ports in the first circuit 10 and the second circuit 20.
In the utility model, the aging circuit connects two inverter circuits to each other to supply electric energy by a PV source, and sets two working modes without current flow, so that current flows alternately in the two inverter circuits and completely flows through all modules, devices and ports of the inverter circuits in the two working modes, thereby avoiding the technical problem that the EPS ports and the GEN ports cannot be aged.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (4)
1. The aging circuit of the multi-alternating-current output port energy storage inverter comprises an inverter circuit, wherein the inverter circuit comprises a PV port, a boosting module, a conversion module and a GEN port, wherein the boosting module, the conversion module and the GEN port are sequentially and electrically connected with the PV port, the input end of the conversion module is connected with a DCDC module, the input end of the DCDC module is connected to a BAT port, and the output end of the conversion module is also connected with an EPS port and a GRID port respectively; the aging circuit is characterized by comprising two inverter circuits and a PV source, wherein the two inverter circuits are a first circuit and a second circuit respectively; the output ends of the PV sources are respectively connected with the PV sources in the two inverter circuits; BAT ports of the two inverter circuits are connected with each other, GEN ports of the two inverter circuits are connected with each other, EPS ports of the two inverter circuits are connected with each other, GRID ports of the two inverter circuits are connected with each other, and a GRID port in a first circuit is connected with the input end of the PV source.
2. The multiple ac output port energy storage inverter aging circuit of claim 1, wherein the aging circuit operates in a first state or a second state, wherein current flows through the PV source, the PV port of the first circuit, the boost module of the first circuit, the DCDC module of the first circuit, the BAT port of the second circuit, the DCDC module of the second circuit, the conversion module of the second circuit, the EPS port of the first circuit, the GRID port of the first circuit, in order, back to the PV source.
3. The multiple ac output port energy storage inverter aging circuit of claim 1, wherein the current in the second state sequentially passes through a PV source, a PV port of the second circuit, a boost module of the second circuit, a DCDC module of the second circuit, a BAT port of the first circuit, a DCDC module of the first circuit, a conversion module of the first circuit, a GEN port of the second circuit, a GRID port of the second circuit back to the PV source; and the output end current of the boosting module of the second circuit flows into the GRID port of the second circuit through the second circuit conversion module.
4. The multiple ac output port energy storage inverter aging circuit of claim 2, wherein the aging circuit switches to the second state after operation with the first state and alternates between the two states to effect aging of the EPS port and the GEN port in the first circuit and the second circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321290889.2U CN219871594U (en) | 2023-05-25 | 2023-05-25 | Aging circuit of multi-alternating-current output port energy storage inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321290889.2U CN219871594U (en) | 2023-05-25 | 2023-05-25 | Aging circuit of multi-alternating-current output port energy storage inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219871594U true CN219871594U (en) | 2023-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321290889.2U Active CN219871594U (en) | 2023-05-25 | 2023-05-25 | Aging circuit of multi-alternating-current output port energy storage inverter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219871594U (en) |
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2023
- 2023-05-25 CN CN202321290889.2U patent/CN219871594U/en active Active
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