CN113852177B - Solar power generation equipment - Google Patents
Solar power generation equipment Download PDFInfo
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- CN113852177B CN113852177B CN202111081148.9A CN202111081148A CN113852177B CN 113852177 B CN113852177 B CN 113852177B CN 202111081148 A CN202111081148 A CN 202111081148A CN 113852177 B CN113852177 B CN 113852177B
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- solar power
- power generation
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- 238000010248 power generation Methods 0.000 title claims abstract description 83
- 238000006243 chemical reaction Methods 0.000 claims abstract description 30
- 230000033228 biological regulation Effects 0.000 claims abstract description 24
- 230000001105 regulatory effect Effects 0.000 claims description 21
- 238000001914 filtration Methods 0.000 claims description 11
- 230000006641 stabilisation Effects 0.000 claims description 4
- 238000011105 stabilization Methods 0.000 claims description 4
- 230000009466 transformation Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 9
- 230000000087 stabilizing effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 206010000369 Accident Diseases 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33507—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
- H02M3/33523—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters with galvanic isolation between input and output of both the power stage and the feedback loop
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
- H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
- H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
- H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/40—Thermal components
- H02S40/42—Cooling means
- H02S40/425—Cooling means using a gaseous or a liquid coolant, e.g. air flow ventilation, water circulation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Electrical Variables (AREA)
Abstract
A solar power generation device relates to the technical field of solar power generation, in particular to a power generation device. The disclosure provides a solar power generation device, including solar power generation module, rectification filter module, speed governing fan, voltage conversion module and load power supply switch module, the electric energy that solar power generation module produced is exported to speed governing fan and load and is in order to drive speed governing fan and to the load power supply via the processing of voltage conversion module and rectification filter module, load power supply switch module detects the electric energy that exports to the load in order to control the power supply of solar power generation device to the load, when the electric energy that exports to the load < preset threshold value electric energy: the load power supply switch module controls to cut off power supply to the load, and electric energy generated by the solar power generation module is only input to the speed regulation fan through the voltage conversion module and the rectification filter module. The present disclosure can reduce repeated start-stop of a solar power plant.
Description
Technical Field
The disclosure relates to the technical field of solar power generation, in particular to power generation equipment.
Background
Solar energy is a clean energy source and has no pollution to the environment. In some areas remote from or unfavorable for grid erection, solar power generation equipment is generally used to provide electric energy for some electric devices.
However, solar energy is an unstable energy source and is easily influenced by the change of natural environment, when the sun is shielded by the cloud, the power generation power of the solar power generation equipment is insufficient to support the operation of electric equipment, namely a load, and at the moment, the power supply circuit of the solar power generation equipment to the load is cut off for the stability of the load operation environment.
If the power supply circuit to the load is cut off, the solar power generation device is still in a power generation state although the power generation power of the solar power generation device is insufficient to support the load, i.e., the operation of the load. At this time, the electric energy cannot be consumed, and the solar power generation equipment is burnt out. In general, a mode of stopping the solar power generation device is adopted, and the device cannot be restarted until the generated power of solar energy is larger than the load power of the supporting electric equipment.
However, in the case of changing weather, the solar power generation equipment is repeatedly started and stopped, and the equipment is mistakenly considered to be bad for customers, and a large number of repeated starting and stopping of the solar power generation equipment can cause the service life of the solar power generation equipment to be shortened.
Disclosure of Invention
In order to solve the technical problems described above or at least partially solve the technical problems described above, embodiments of the present disclosure provide a solar power generation device capable of reducing repeated start-up and stop of the solar power generation device.
The disclosure provides a solar power generation device, including solar power generation module, rectification filter module, speed governing fan, voltage conversion module and load power supply switch module, the electric energy that solar power generation module produced is exported to speed governing fan and load and is in order to drive speed governing fan and to the load power supply via the processing of voltage conversion module and rectification filter module, load power supply switch module detects the electric energy that exports to the load in order to control the power supply of solar power generation device to the load, when the electric energy that exports to the load < preset threshold value electric energy:
the load power supply switch module controls to cut off power supply to the load, and electric energy generated by the solar power generation module is only input to the speed regulation fan through the voltage conversion module and the rectification filter module.
According to the solar power generation equipment, unstable electric energy generated by the solar power generation equipment during unstable solar energy is converted into kinetic energy of the speed regulating fan, and the speed regulating fan can regulate the rotating speed according to the input voltage, so that the whole solar power generation equipment can still be kept in a working state under the condition that the solar energy is unstable, namely, the power generation power of the solar power generation equipment is insufficient to support the operation of a load of electric equipment, and the start and stop frequency of the solar power generation equipment is reduced. Compared with the way of directly using the resistor to consume the unstable electric energy generated by the solar power generation equipment during the unstable period of solar energy, the way of using the resistor is safer, because the resistor converts the electric energy into the internal energy, the resistor in this way can generate heat and even burn to be red, so that surrounding circuits are burnt, and even fire accidents can be caused.
Optionally, the system further comprises a power management system and a front-end feedback circuit, wherein the front-end feedback circuit detects the electric energy generated by the current solar power generation module and inputs the electric energy into the power management system, and when the electric energy output to the load is less than the preset threshold electric energy:
the power management system controls the voltage conversion module to increase the voltage converted and output by the conversion module so as to drive the speed regulation fan to consume more electric energy.
According to the solar power generation equipment, when the electric energy output to the load is smaller than the preset threshold electric energy, and the preset threshold electric energy is closer to the electric energy generated by the solar power generation module, the voltage conversion module is controlled to increase the output voltage, so that on one hand, more unstable electric energy can be consumed by the speed regulation fan. On the other hand, when the voltage=the preset threshold voltage output to the load is detected, the speed regulating fan is controlled to return to the normal rotation speed or to reduce the rotation speed, so that the electric energy consumed by the speed regulating fan can be reduced, the electric energy generated by the solar power generation module at the moment is surplus, and the power supply of the solar equipment to the load can be prevented from being repeatedly opened and closed.
Alternatively to this, the method may comprise,
the power supply system also comprises a back-end voltage stabilizing feedback circuit and a speed regulating fan control module, wherein the back-end voltage stabilizing feedback circuit detects the voltage output by the rectifying and filtering module and inputs the voltage to the power supply management system, the speed regulating fan control module is connected to the speed regulating fan to regulate the rotating speed of the speed regulating fan,
when the electric energy output to the load is more than or equal to the preset threshold electric energy:
the load power supply switch module controls the start of power supply to the load,
the speed-regulating fan control module controls the speed-regulating fan to reduce the rotating speed so as to reduce the consumption of electric energy,
the power management system controls the voltage conversion module to keep the voltage converted and output by the conversion module according to the voltage detected by the back-end voltage stabilizing feedback circuit. Optionally, the voltage conversion module is a switching converter, and the power management system modulates the output voltage of the switching converter through a PWM signal.
Optionally, the power management system is an L6565D power management chip.
Optionally, the front-end feedback circuit includes a controllable precision voltage regulator TL431
Optionally, the speed regulating fan is provided with a plurality of.
Drawings
Fig. 1 is a schematic structural diagram of a solar power generation device according to an embodiment of the present disclosure;
fig. 2 is a circuit diagram of a solar power module of a solar power generation device according to an embodiment of the present disclosure;
fig. 3 is a circuit diagram of a front-end feedback circuit of a solar power generation device according to an embodiment of the present disclosure;
fig. 4 is a circuit diagram of a power management system of a solar power generation device according to an embodiment of the present disclosure;
fig. 5 is a circuit diagram of a voltage conversion module and a rectifying and filtering module of a solar power generation device according to an embodiment of the present disclosure;
fig. 6 is a circuit diagram of a back-end voltage stabilizing feedback circuit of a solar power generation device according to an embodiment of the present disclosure;
fig. 7 is a circuit diagram of a load power supply switch module of a solar power generation device according to an embodiment of the present disclosure;
fig. 8 is a circuit diagram of a speed regulating fan control module of a solar power generation device according to an embodiment of the disclosure.
Reference numerals:
the solar power generation device 1, the solar power generation module 11, the voltage conversion module 12, the rectifying and filtering module 13, the front-end feedback circuit 14, the power management system 15, the back-end voltage stabilizing feedback circuit 16, the speed regulation fan 17, the speed regulation fan control module 18 and the load power supply switch module 19;
and a load 2.
Detailed Description
The invention will be described in detail with reference to specific examples.
As shown in fig. 1, the solar power generation apparatus 1 includes a solar power generation module 11, a voltage conversion module 12, a rectifying and filtering module 13, a front-end feedback circuit 14, a power management system 15, a back-end voltage stabilization feedback circuit 16, a speed regulation fan 17, and a speed regulation fan control module 18.
Sunlight irradiates the solar power generation module 11, the solar power generation module 11 generates electric energy through a photoelectric effect, the electric energy generated by the solar power generation module 11 is input into the voltage conversion module 12, the voltage conversion module 12 converts the electric energy generated by the solar power generation module 11 into stable voltage, and the voltage conversion module 12 is a switching converter. The rectifying and filtering module 13 is connected behind the switching converter to rectify and filter the voltage waveform output by the switching converter, and the electric energy generated by the solar power generation module 11 is processed by the voltage conversion module 12 and the rectifying and filtering module 13 and then output to the speed regulation fan 17 and the load 2 to drive the speed regulation fan 17 and supply power to the load 2. One end of the load power supply switch module 19 is connected with the output end of the rectifying and filtering module 13, and the other end of the load power supply switch module is connected with the load 2. The load power supply switch module 19 detects electric energy that the solar power generation device can actually output to the load to control whether the solar power generation device 1 supplies power to the load 2. The front-end feedback circuit 14 detects the electric energy generated by the current solar power generation module 11 and inputs the electric energy into the power management system 15, the rear-end voltage stabilizing feedback circuit 16 detects the voltage output by the rectifying and filtering module 13 and inputs the voltage into the power management system 15, and the speed regulating fan control module 18 is connected to the speed regulating fan 17 to regulate the rotating speed of the speed regulating fan 17
When the load power supply switch module 19 detects that the power actually output to the load is < a preset threshold power:
the load power supply switch module 19 controls to cut off the power supply to the load 2, and the electric energy generated by the solar power generation module 11 is processed by the voltage conversion module 12 and the rectifying and filtering module 13 and then is only input to the speed regulation fan 17 to drive the speed regulation fan 17. The speed regulating fan 17 regulates and controls the rotating speed according to the electric energy converted by the solar power generation module 11, when the voltage output by the rectifying and filtering module 13 is larger, the speed regulating fan 17 rotates faster, otherwise, the rotating speed of the speed regulating fan 17 is slower. According to the solar power generation equipment 1, unstable electric energy generated by the solar power generation equipment 1 during unstable solar energy is converted into kinetic energy of the speed regulating fan 17, and the speed regulating fan 17 can regulate the rotating speed according to the input voltage, so that the solar power generation equipment 1 can still keep the working state under the condition that the solar energy is unstable, namely, the power generation power of the solar power generation equipment 1 is insufficient to support the operation of the load 2, and the start-stop frequency of the solar power generation equipment 1 is reduced. The use of the disclosed method is safer than directly using a resistor to consume the unstable electric energy generated by the solar power generation device 1 during the unstable period of solar energy, because the resistor converts the electric energy into internal energy, the resistor can generate heat and even burn to be red, which causes burning of surrounding circuits and even possibly causes fire accidents.
When the electric power actually output to the load is detected < a preset threshold electric power and |the preset threshold electric power|—| the electric power generated by the solar power generation module 11 approaches zero, the power management system 15 controls the voltage conversion module 12 to increase the voltage converted by the conversion module. The front-end feedback circuit 14 detects the current power generated by the solar power generation module 11 and inputs the detected power to the power management system 15, and when the difference between the preset threshold power and the power generated by the solar power generation module 11 is smaller, it indicates that the current unstable solar power becomes stronger, and the solar power generation module 11 generates more power, so that more power needs to be output to be consumed. On the other hand, since the speed regulation fan 17 is consuming electric power all the time, in practice, when the condition that the electric power input to the load is equal to the preset threshold electric power is satisfied, the electric power generated by the solar power generation module=the electric power input to the load+the electric power consumed by the speed regulation fan. Since in cloudy weather, there is often a case where the power input to the load 2 from the solar power generation apparatus 1 reaches a preset threshold power for a while and falls below the threshold power for a while, repeated opening and closing of power supply to the load 2 occurs. Therefore, the method can enable the solar power generation equipment 1 to have certain redundancy and start the power supply to the load 2, and the condition of repeatedly opening and closing the power supply to the load 2 is effectively avoided by regulating and controlling the electric energy consumed by the speed regulation fan 17 through the speed regulation fan control module 18.
When the electric energy output to the load is more than or equal to the preset threshold electric energy:
the load power switch module 19 controls the turning on of power to the load 2,
the speed fan control module 18 controls the speed fan 17 to rotate at a reduced speed to reduce the consumption of electric energy,
the power management system 15 controls the voltage conversion module 12 to keep converting the output voltage by modulating the output voltage of the switching converter with the PWM signal according to the voltage detected by the back-end voltage stabilizing feedback circuit 16.
In other embodiments, the speed regulating fan 17 is provided in plurality.
As shown in fig. 2-8, which are actual circuit diagrams of a solar power generation device 1 according to an embodiment of the present disclosure, the voltage conversion module 12 is a switching converter in the embodiment of the present disclosure, and the power management system 15 modulates the output voltage of the switching converter through a PWM signal. The power management system 15 is an L6565D power management chip. The front-end feedback circuit 14 includes a controllable precision voltage regulator TL431.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the scope of the present invention, and although the present invention 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 invention without departing from the spirit and scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a solar power system, including solar power module, rectification filter module, its characterized in that still includes speed governing fan, voltage transformation module and load power supply switch module, the electric energy that solar power module produced is exported to speed governing fan and load and is in order to drive speed governing fan and to the load power supply through the processing of voltage transformation module and rectification filter module, load power supply switch module detects the electric energy that exports to the load in order to control solar power system to the power supply of load, when the electric energy that exports to the load < preset threshold value electric energy:
the load power supply switch module controls to cut off power supply to the load, and electric energy generated by the solar power generation module is only input to the speed regulation fan through the voltage conversion module and the rectification filter module;
the system also comprises a power management system and a front-end feedback circuit, wherein the front-end feedback circuit detects the electric energy generated by the current solar power generation module and inputs the electric energy into the power management system, and when the electric energy output to a load is less than the preset threshold electric energy:
the power management system controls the voltage conversion module to increase the voltage converted and output by the conversion module so as to drive the speed regulation fan to consume more electric energy.
2. The solar power generation device according to claim 1, further comprising a back-end voltage stabilization feedback circuit, a speed regulation fan control module, wherein the back-end voltage stabilization feedback circuit detects the voltage outputted by the rectifying and filtering module and inputs the voltage to the power management system, the speed regulation fan control module is connected to the speed regulation fan to regulate the rotation speed of the speed regulation fan,
when the electric energy output to the load is more than or equal to the preset threshold electric energy:
the load power supply switch module controls the start of power supply to the load,
the speed regulation fan control module controls the speed regulation fan to reduce the consumption of electric energy, and the power management system controls the voltage conversion module to keep the voltage converted and output by the conversion module according to the voltage detected by the back-end voltage stabilization feedback circuit.
3. A solar power plant according to claim 1, wherein the voltage conversion module is a switching converter and the power management system modulates the output voltage of the switching converter by means of a PWM signal.
4. The solar power plant of claim 1, wherein the power management system is an L6565D power management chip.
5. A solar power plant according to claim 1, characterized in that the front-end feedback circuit comprises a controllable precision voltage regulator TL431.
6. A solar power plant according to claim 1, characterized in that the speed regulating fan is provided in plurality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111081148.9A CN113852177B (en) | 2021-09-15 | 2021-09-15 | Solar power generation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111081148.9A CN113852177B (en) | 2021-09-15 | 2021-09-15 | Solar power generation equipment |
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| Publication Number | Publication Date |
|---|---|
| CN113852177A CN113852177A (en) | 2021-12-28 |
| CN113852177B true CN113852177B (en) | 2023-12-26 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000197271A (en) * | 1998-12-28 | 2000-07-14 | Sanyo Electric Co Ltd | Generation apparatus tied to power system |
| WO2014023724A2 (en) * | 2012-08-06 | 2014-02-13 | Robert Bosch Gmbh | Photovoltaic storage system |
| CN104626958A (en) * | 2015-01-29 | 2015-05-20 | 深圳市索阳新能源科技有限公司 | High-power solar intelligent hybrid power automobile |
| JP2017118598A (en) * | 2015-12-21 | 2017-06-29 | 株式会社デンソー | Power supply system |
| CN207926180U (en) * | 2018-04-02 | 2018-09-28 | 杨广凌 | A kind of solar energy system supplies electricity to the device of multi-load unit |
-
2021
- 2021-09-15 CN CN202111081148.9A patent/CN113852177B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000197271A (en) * | 1998-12-28 | 2000-07-14 | Sanyo Electric Co Ltd | Generation apparatus tied to power system |
| WO2014023724A2 (en) * | 2012-08-06 | 2014-02-13 | Robert Bosch Gmbh | Photovoltaic storage system |
| CN104626958A (en) * | 2015-01-29 | 2015-05-20 | 深圳市索阳新能源科技有限公司 | High-power solar intelligent hybrid power automobile |
| JP2017118598A (en) * | 2015-12-21 | 2017-06-29 | 株式会社デンソー | Power supply system |
| CN207926180U (en) * | 2018-04-02 | 2018-09-28 | 杨广凌 | A kind of solar energy system supplies electricity to the device of multi-load unit |
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| Publication number | Publication date |
|---|---|
| CN113852177A (en) | 2021-12-28 |
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