CN116826945A - Automatic switching system of energy storage electricity and commercial power - Google Patents
Automatic switching system of energy storage electricity and commercial power Download PDFInfo
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- CN116826945A CN116826945A CN202310203266.5A CN202310203266A CN116826945A CN 116826945 A CN116826945 A CN 116826945A CN 202310203266 A CN202310203266 A CN 202310203266A CN 116826945 A CN116826945 A CN 116826945A
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- 238000004146 energy storage Methods 0.000 title claims abstract description 108
- 230000005611 electricity Effects 0.000 title claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000003062 neural network model Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/22—The renewable source being solar energy
- H02J2300/24—The renewable source being solar energy of photovoltaic origin
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/28—The renewable source being wind energy
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/40—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation wherein a plurality of decentralised, dispersed or local energy generation technologies are operated simultaneously
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The application provides an automatic switching system of energy storage electricity and mains supply, which comprises: the system comprises an energy storage module, a switching module and a mains supply module; the energy storage electric module is used for providing new energy source electric energy for the load terminal; the commercial power module is used for providing commercial power for the load terminal; and the switching module is used for switching the energy storage electric module and the commercial power module and providing electric energy for the load terminal based on the switched energy storage electric module or the commercial power module. According to the application, new energy is adopted to supply power to the load terminal preferentially, and when the residual electric quantity in the energy storage module is insufficient, the energy storage module is automatically switched to the commercial power module to supply power to the load terminal through the commercial power; and whether the energy storage electric module can continuously supply power for the load terminal in a future period of time is judged, and when the energy storage electric module cannot be charged by using the mains supply, the electric quantity stored in the energy storage electric module is ensured to be sufficient, the sudden damage of the mains supply in the future period of time is prevented, and the power utilization continuity of the load terminal can be ensured without power failure.
Description
Technical Field
The application belongs to the technical field of energy storage electricity, and particularly relates to an automatic switching system of energy storage electricity and mains supply.
Background
The increasing shortage of energy sources makes each country strive to build an energy-saving society, the environment is greatly polluted by the large-scale use of traditional energy sources, the resources are exhausted due to the non-renewable property, and pollution-free new energy sources are urgently needed to solve various problems currently faced. The environment pollution is reduced, the purposes of green energy conservation and sustainable utilization of energy are realized, and the influence of energy exhaustion on national development is relieved.
However, existing new energy sources such as wind, light and water belong to intermittent energy sources, and cannot supply power to a load end stably and continuously, so that the power supply of the load end is switched by adopting commercial power and new energy power, the new energy power is used when the new energy power is stable or sufficient, and is switched to the commercial power when the new energy power is insufficient, but the commercial power occasionally has instability due to unpredictable factors or power consumption peaks, and cannot supply power to the load end stably and continuously, and therefore, the technical scheme capable of continuously and stably ensuring continuous power supply to the load is required to be provided.
Disclosure of Invention
In order to solve the technical problems, the application provides an automatic switching system of energy storage power and commercial power; the new energy source electric energy is adopted to supply power to the load terminal preferentially, and when the residual electric quantity in the energy storage module is insufficient, the power supply module is automatically switched to the commercial power module to supply power to the load terminal through the commercial power; and whether the energy storage electric module can continuously supply power for the load terminal in a future period of time is judged, and when the energy storage electric module cannot be charged by using the mains supply, the electric quantity stored in the energy storage electric module is ensured to be sufficient, the sudden damage of the mains supply in the future period of time is prevented, and the power utilization continuity of the load terminal can be ensured without power failure.
In order to achieve the above object, the present application provides an automatic switching system of energy storage power and utility power, comprising: the system comprises an energy storage module, a switching module and a mains supply module;
the energy storage module and the mains supply module are connected with the load terminal; the switching module is connected between the energy storage module and the mains supply module;
the energy storage electric module is used for providing new energy electric energy for the load terminal;
the commercial power module is used for providing commercial power for the load terminal;
the switching module is used for switching the energy storage module and the commercial power module and providing electric energy for the load terminal based on the switched energy storage module or the commercial power module.
Optionally, the energy storage electric module includes: a storage unit and an inversion unit;
the storage unit is connected with the inversion unit;
the storage unit is used for storing the new energy electric energy;
the inversion unit is used for firstly inverting the new energy electric energy from direct current to alternating current and then providing the alternating current to the load terminal.
Optionally, the switching module includes: the system comprises an acquisition unit, an analysis unit, an early warning unit and a processing unit;
the acquisition unit, the analysis unit, the early warning unit and the processing unit are sequentially connected, the acquisition unit is respectively connected with the load terminal, the mains supply module and the energy storage module, and the processing unit is respectively connected with the mains supply module and the energy storage module;
the acquisition unit is used for acquiring the electric energy data of the energy storage electric module and the load terminal;
the analysis unit is used for analyzing the collected electric energy data and obtaining an analysis result;
the early warning unit is used for early warning the analysis result;
and the processing unit is used for carrying out transmission switching on the load terminal by the energy storage module and the commercial power module according to the analysis result.
Optionally, the acquisition unit includes: the first acquisition subunit, the second acquisition subunit and the third acquisition subunit;
the first acquisition subunit is used for acquiring the energy storage electric quantity of the energy storage electric module;
the second acquisition subunit is used for acquiring the electricity consumption information of the load terminal;
and the third acquisition subunit is used for acquiring the power transmission information of the commercial power module.
Optionally, the switching module further includes: a database;
the database is used for storing the energy storage electric quantity of the energy storage electric module, the power utilization information of the load terminal and the power transmission information of the commercial power module.
Optionally, the analysis unit includes: setting a subunit, a first judging subunit, a first predicting subunit, a second predicting subunit and a second judging subunit;
the setting subunit is used for setting a first threshold value;
the judging subunit is used for judging the energy storage electric quantity, and generating a first signal when the energy storage electric quantity of the energy storage electric module is lower than the first threshold value;
the first prediction subunit is used for predicting the electricity consumption of the load terminal in a period of time in the future according to the historical electricity consumption of the load terminal;
the second prediction subunit is configured to predict a charge amount of the energy storage electric module in a future period according to historical charging information of the energy storage electric module;
the second judging subunit is configured to judge the predicted charge amount and the predicted power consumption, and generate a second signal when the sum of the predicted charge amount and the current remaining power of the energy storage module is smaller than the predicted power consumption.
Optionally, the early warning unit sends early warning information corresponding to different phase responses according to the first signal and the second signal.
Optionally, the processing unit is configured to enable, according to the first signal, the mains supply module to transmit power to the load terminal;
the processing unit is further configured to enable the commercial power module to charge the energy storage power module according to the second signal.
Compared with the prior art, the application has the following advantages and technical effects:
according to the application, new energy is adopted to supply power to the load terminal preferentially, when the residual electric quantity in the energy storage module is insufficient to continuously supply power to the load terminal, the energy storage module is automatically switched to the commercial power module, and the commercial power is used to continuously supply power to the load terminal;
the application also predicts the electricity consumption of the load terminal in a future period, predicts the charge quantity of the energy storage electric module in the future period, compares the predicted electricity consumption with the charge quantity, judges whether the energy storage electric module can continuously supply power to the load terminal in the future period, and adopts the mains supply to charge the energy storage electric module when the energy storage electric module cannot supply power, so that the mains supply burst damage in the future period is prevented, and the energy storage electric module is continuously adopted to supply power to the load terminal when the energy storage electric module cannot supply power to the load terminal in the future period, thereby ensuring the power utilization continuity of the load terminal and uninterrupted power supply.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
fig. 1 is a schematic diagram of an automatic switching system of energy storage power and commercial power according to an embodiment of the present application.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
It should be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer executable instructions, and that although a logical order is illustrated in the flowcharts, in some cases the steps illustrated or described may be performed in an order other than that illustrated herein.
Examples
As shown in fig. 1, this embodiment provides an automatic switching system of energy storage power and mains supply, including: the system comprises an energy storage module, a switching module and a mains supply module;
the energy storage module and the mains supply module are connected with the load terminal; the switching module is connected between the energy storage module and the mains supply module;
the energy storage electric module is used for providing new energy electric energy for the load terminal;
the commercial power module is used for providing commercial power for the load terminal;
the switching module is used for switching the energy storage module and the commercial power module and providing electric energy for the load terminal based on the switched energy storage module or the commercial power module.
In this embodiment, the new energy power generation system connected with the energy storage power module can be any new energy power generation system such as wind, light, water and the like, and the new energy power is adopted to supply power to the load terminal preferentially, and when the residual electric quantity in the energy storage power module is insufficient to continuously supply power to the load terminal, the power is automatically switched to the mains supply module, and the mains supply is used to continuously supply power to the load terminal.
Further, the energy storage electric module includes: a storage unit and an inversion unit;
the storage unit is connected with the inversion unit;
the storage unit is used for storing the new energy electric energy;
the inversion unit is used for firstly inverting the new energy electric energy from direct current to alternating current and then providing the alternating current to the load terminal.
Further, the switching module includes: the system comprises an acquisition unit, an analysis unit, an early warning unit and a processing unit;
the acquisition unit, the analysis unit, the early warning unit and the processing unit are sequentially connected, the acquisition unit is respectively connected with the load terminal, the mains supply module and the energy storage module, and the processing unit is respectively connected with the mains supply module and the energy storage module;
the acquisition unit is used for acquiring the electric energy data of the energy storage electric module and the load terminal;
the analysis unit is used for analyzing the collected electric energy data and obtaining an analysis result;
the early warning unit is used for early warning the analysis result;
and the processing unit is used for carrying out transmission switching on the load terminal by the energy storage module and the commercial power module according to the analysis result.
Further, the acquisition unit comprises: the first acquisition subunit, the second acquisition subunit and the third acquisition subunit;
the first acquisition subunit is used for acquiring the energy storage electric quantity of the energy storage electric module;
the second acquisition subunit is used for acquiring the electricity consumption information of the load terminal;
and the third acquisition subunit is used for acquiring the power transmission information of the commercial power module.
Further, the switching module further includes: a database;
the database is used for storing the energy storage electric quantity of the energy storage electric module, the power utilization information of the load terminal and the power transmission information of the commercial power module.
Further, the analysis unit includes: setting a subunit, a first judging subunit, a first predicting subunit, a second predicting subunit and a second judging subunit;
the setting subunit is configured to set a first threshold,
the judging subunit is used for judging the energy storage electric quantity, and generating a first signal when the energy storage electric quantity of the energy storage electric module is lower than the first threshold value;
the first prediction subunit is used for predicting the electricity consumption of the load terminal in a period of time in the future according to the historical electricity consumption of the load terminal;
the second prediction subunit is configured to predict a charge amount of the energy storage electric module in a future period according to historical charging information of the energy storage electric module;
the second judging subunit is configured to judge the predicted charge amount and the predicted power consumption, and generate a second signal when the sum of the predicted charge amount and the current remaining power of the energy storage module is smaller than the predicted power consumption.
In this embodiment, two neural network models for predicting the future data development trend may be respectively constructed in the prediction subunit, the historical charge amount data and the electricity consumption data are respectively used as training sets, the neural network models are trained, and the trained neural network models can predict the charge amount of the energy storage module in a future period and the electricity consumption of the load terminal in a future period; and the electric quantity data acquired in real time are put into a training set in real time, the model is continuously trained, and the accuracy of model prediction is ensured.
Further, the early warning unit sends early warning information corresponding to different phase responses according to the first signal and the second signal.
Further, the processing unit is configured to enable the mains supply module to transmit power to the load terminal according to the first signal;
the processing unit is further configured to enable the commercial power module to charge the energy storage power module according to the second signal.
In this embodiment, by predicting the electricity consumption of the load terminal in a future period of time and predicting the charge amount of the energy storage electric module in a future period of time, comparing the predicted electricity consumption with the charge amount, and judging whether the energy storage electric module can continuously supply power to the load terminal in a future period of time, when the energy storage electric module cannot be charged by using the mains supply, the energy storage electric module is charged, so that the mains supply is enough in the energy storage electric module, the sudden damage of the mains supply in a future period of time is prevented, when the energy storage electric module cannot supply power to the load terminal, the energy storage electric module is continuously used for supplying power to the load terminal, and the power consumption continuity of the load terminal is ensured without power failure.
The present application is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present application are intended to be included in the scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims (8)
1. An automatic switching system of energy storage electricity and commercial power, characterized by comprising: the system comprises an energy storage module, a switching module and a mains supply module;
the energy storage module and the mains supply module are connected with the load terminal; the switching module is connected between the energy storage module and the mains supply module;
the energy storage electric module is used for providing new energy electric energy for the load terminal;
the commercial power module is used for providing commercial power for the load terminal;
the switching module is used for switching the energy storage module and the commercial power module and providing electric energy for the load terminal based on the switched energy storage module or the commercial power module.
2. The automatic switching system of stored energy and utility power of claim 1, wherein the stored energy module comprises: a storage unit and an inversion unit;
the storage unit is connected with the inversion unit;
the storage unit is used for storing the new energy electric energy;
the inversion unit is used for firstly inverting the new energy electric energy from direct current to alternating current and then providing the alternating current to the load terminal.
3. The automatic switching system of stored energy and utility power according to claim 1, wherein the switching module comprises: the system comprises an acquisition unit, an analysis unit, an early warning unit and a processing unit;
the acquisition unit, the analysis unit, the early warning unit and the processing unit are sequentially connected, the acquisition unit is respectively connected with the load terminal, the mains supply module and the energy storage module, and the processing unit is respectively connected with the mains supply module and the energy storage module;
the acquisition unit is used for acquiring the electric energy data of the energy storage electric module and the load terminal;
the analysis unit is used for analyzing the collected electric energy data and obtaining an analysis result;
the early warning unit is used for early warning the analysis result;
and the processing unit is used for carrying out transmission switching on the load terminal by the energy storage module and the commercial power module according to the analysis result.
4. The automatic switching system of stored energy and utility power according to claim 3, wherein the acquisition unit comprises: the first acquisition subunit, the second acquisition subunit and the third acquisition subunit;
the first acquisition subunit is used for acquiring the energy storage electric quantity of the energy storage electric module;
the second acquisition subunit is used for acquiring the electricity consumption information of the load terminal;
and the third acquisition subunit is used for acquiring the power transmission information of the commercial power module.
5. The automatic switching system of stored energy and utility power according to claim 4, wherein the switching module further comprises: a database;
the database is used for storing the energy storage electric quantity of the energy storage electric module, the power utilization information of the load terminal and the power transmission information of the commercial power module.
6. The automatic switching system of stored energy and utility power according to claim 4, wherein the analysis unit comprises: setting a subunit, a first judging subunit, a first predicting subunit, a second predicting subunit and a second judging subunit;
the setting subunit is used for setting a first threshold value;
the judging subunit is used for judging the energy storage electric quantity, and generating a first signal when the energy storage electric quantity of the energy storage electric module is lower than the first threshold value;
the first prediction subunit is used for predicting the electricity consumption of the load terminal in a period of time in the future according to the historical electricity consumption of the load terminal;
the second prediction subunit is configured to predict a charge amount of the energy storage electric module in a future period according to historical charging information of the energy storage electric module;
the second judging subunit is configured to judge the predicted charge amount and the predicted power consumption, and generate a second signal when the sum of the predicted charge amount and the current remaining power of the energy storage module is smaller than the predicted power consumption.
7. The automatic switching system of energy storage and mains supply according to claim 6, wherein the early warning unit sends early warning information corresponding to different phase responses according to the first signal and the second signal.
8. The automatic switching system of energy storage and mains supply according to claim 6, wherein the processing unit is configured to enable the mains supply module to transmit power to the load terminal according to the first signal;
the processing unit is further configured to enable the commercial power module to charge the energy storage power module according to the second signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310203266.5A CN116826945A (en) | 2023-03-06 | 2023-03-06 | Automatic switching system of energy storage electricity and commercial power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310203266.5A CN116826945A (en) | 2023-03-06 | 2023-03-06 | Automatic switching system of energy storage electricity and commercial power |
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| Publication Number | Publication Date |
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| CN116826945A true CN116826945A (en) | 2023-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310203266.5A Pending CN116826945A (en) | 2023-03-06 | 2023-03-06 | Automatic switching system of energy storage electricity and commercial power |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117154905A (en) * | 2023-11-01 | 2023-12-01 | 深圳市中正磁能科技有限公司 | SOC power management system and control method |
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2023
- 2023-03-06 CN CN202310203266.5A patent/CN116826945A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117154905A (en) * | 2023-11-01 | 2023-12-01 | 深圳市中正磁能科技有限公司 | SOC power management system and control method |
| CN117154905B (en) * | 2023-11-01 | 2024-03-08 | 深圳市中正磁能科技有限公司 | SOC power management system and control method |
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