CN207638341U - A kind of solar power system - Google Patents
A kind of solar power system Download PDFInfo
- Publication number
- CN207638341U CN207638341U CN201721482578.0U CN201721482578U CN207638341U CN 207638341 U CN207638341 U CN 207638341U CN 201721482578 U CN201721482578 U CN 201721482578U CN 207638341 U CN207638341 U CN 207638341U
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- Prior art keywords
- inverter
- solar power
- solar
- power system
- change
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- 238000007599 discharging Methods 0.000 claims abstract description 12
- 230000005611 electricity Effects 0.000 claims abstract description 10
- 238000010248 power generation Methods 0.000 claims abstract description 5
- 238000005286 illumination Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
Classifications
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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- 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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
- Photovoltaic Devices (AREA)
- Inverter Devices (AREA)
Abstract
The utility model provides a kind of solar power system, and the electricity generation system includes solar cell array, lightning protection device, chopper, anti-reverse charging unit, charging-discharging controller, accumulator group, inverter, change-over switch, AC load.The direct current obtained from solar cell array rises to stable rated voltage by chopper, and then improves the voltage for being input to inverter, it is ensured that inverter when sunshine is not strong can steady operation, to realize the economy of solar power generation；Intelligently switch supply line by change-over switch, the electric energy from solar cell array is isolated with power grid, ensures reliability and the safety of solar power system.
Description
Technical field
The utility model belongs to technical field of electric power, more particularly to a kind of solar power system.
Background technology
With economic continuous development, the mankind are also more and more to the loss of fossil energy, however are using fossil energy
While also result in problem of environmental pollution, the development and utilization of regenerative resource has become extremely important.In order to reduce to passing
The dependence of the system energy, solar energy receive more and more attention as a kind of clean reproducible energy.
Existing solar power system is mainly by equipment groups such as solar cell module, controller, accumulator, inverters
At converting the solar into electric energy using photoelectric principle, direct current converted the solar by solar cell module
After electricity, is conveyed to inverter via controller, then direct current is converted to by alternating current by inverter, be supplied to corresponding load
Or it is connect with power grid.When illumination is not strong, the voltage for being input to inverter is likely lower than preset voltage, can make inverse
The problem of becoming device action to stop, and then leading to that solar power generation cannot be carried out.How to accomplish even if when illumination is not strong
Inverter can be made steadily to act, maximally utilise solar irradiation, improved power supply reliability and economy is at present too
Sun can generate electricity urgent problem.
Utility model content
The utility model provides a kind of solar power system, inverter can be made steady when sunshine is not strong
Fixed action, to improve generating efficiency and reliability.
The utility model is specially a kind of solar power system, and the electricity generation system includes solar cell array, prevents
Thunder device, chopper, anti-reverse charging unit, charging-discharging controller, accumulator group, inverter, change-over switch, AC load, it is described too
Positive energy battery array is connect with the lightning protection device, and the lightning protection device is connect with the chopper input terminal, the chopper output
End is connect with the anti-reverse charging unit input terminal, and the anti-reverse charging unit output end connects with the charging-discharging controller input terminal
It connects, the charging-discharging controller output end is connect with the accumulator group input terminal and the inverter input terminal, the inversion
Device output end is connect with the change-over switch, and the change-over switch is connect with the AC load.
The chopper boosts the direct current obtained from the solar cell array, is converted to stable specified
Voltage, and then improve the voltage for being input to inverter, it is ensured that it can steady operation inverter when sunshine is not strong.
The anti-reverse charging unit is for preventing the accumulator group to charge to the solar cell array.
The charging-discharging controller is used for according to the chopper output voltage, the battery tension, the inverter
Input voltage generates corresponding inverter control signal.
The inverter includes inverter circuit, filter circuit, and the direct current of input is converted to regulation by the inverter circuit
The alternating current of voltage, the filter circuit reduce the output current of the inverter, to improve the output electric energy matter of inverter
Amount.
The change-over switch is using hauling oneself willingly into from replica automatic change-over, using solar power generation as main power source, by power grid
Switch supply line by detecting main power source input voltage and stand-by power supply input voltage numerical value as stand-by power supply, solve
The electricity generation system loads the problem of can not working when illumination is weaker, improves power supply reliability；The change-over switch will simultaneously
Electric energy from the solar cell array is isolated with power grid, when accident occurs, protects described inverter etc. in time, to
Ensure the economy and security of the solar power system.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of solar power system of the utility model.
Specific implementation mode
A kind of specific implementation mode of solar power system of the utility model is elaborated below in conjunction with the accompanying drawings.
As shown in Figure 1, the solar power system of the utility model include solar cell array, lightning protection device, chopper,
Anti-reverse charging unit, charging-discharging controller, accumulator group, inverter, change-over switch, AC load, the solar cell array
It is connect with the lightning protection device, the lightning protection device is connect with the chopper input terminal, the chopper output end and the counnter attack
The connection of unit input terminal is filled, the anti-reverse charging unit output end is connect with the charging-discharging controller input terminal, the charge and discharge
Controller output end is connect with the accumulator group input terminal and the inverter input terminal, the inverter output end with it is described
Change-over switch connects, and the change-over switch is connect with the AC load.
The chopper boosts the direct current obtained from the solar cell array, is converted to stable specified
Voltage, and then improve the voltage for being input to inverter, it is ensured that it can steady operation inverter when sunshine is not strong.
The anti-reverse charging unit is for preventing the accumulator group to charge to the solar cell array.
The charging-discharging controller is used for according to the chopper output voltage, the battery tension, the inverter
Input voltage generates corresponding inverter control signal.
The inverter includes inverter circuit, filter circuit, and the direct current of input is converted to regulation by the inverter circuit
The alternating current of voltage, the filter circuit reduce the output current of the inverter, to improve the output electric energy matter of inverter
Amount.
The change-over switch is using hauling oneself willingly into from replica automatic change-over, using solar power generation as main power source, by power grid
Switch supply line by detecting main power source input voltage and stand-by power supply input voltage numerical value as stand-by power supply, solve
The electricity generation system loads the problem of can not working when illumination is weaker, improves power supply reliability；The change-over switch will simultaneously
Electric energy from the solar cell array is isolated with power grid, when accident occurs, protects described inverter etc. in time, to
Ensure the economy and security of the solar power system.
Finally it should be noted that only illustrating the technical solution of the utility model in conjunction with above-described embodiment rather than limiting it
System.Those of ordinary skills in the art should understand that those skilled in the art can be to the specific implementation of the utility model
Mode is modified or replaced equivalently, but these modifications or change are among applying for pending claims.
Claims (6)
1. a kind of solar power system, which is characterized in that the electricity generation system includes solar cell array, lightning protection device, cuts
Wave device, anti-reverse charging unit, charging-discharging controller, accumulator group, inverter, change-over switch and AC load, the solar energy
Battery array is connect with the lightning protection device, and the lightning protection device is connect with the chopper input terminal, the chopper output end with
The anti-reverse charging unit input terminal connection, the anti-reverse charging unit output end are connect with the charging-discharging controller input terminal, institute
It states charging-discharging controller output end to connect with the accumulator group input terminal and the inverter input terminal, the inverter output
End is connect with the change-over switch, and the change-over switch is connect with the AC load.
2. a kind of solar power system according to claim 1, which is characterized in that the chopper will be from the sun
The direct current that energy battery array obtains boosts, and is converted to stable rated voltage, and then improve the electricity for being input to inverter
Pressure, it is ensured that can steady operation inverter when sunshine is not strong.
3. a kind of solar power system according to claim 1, which is characterized in that the anti-reverse charging unit is for preventing
The accumulator group charges to the solar cell array.
4. a kind of solar power system according to claim 1, which is characterized in that the charging-discharging controller is used for root
Corresponding inverter control signal is generated according to the chopper output voltage, the battery tension, the inverter input voltage,
Ensure the stable alternating current of the inverter output.
5. a kind of solar power system according to claim 1, which is characterized in that the inverter includes inversion electricity
The direct current of input is converted to the alternating current of assigned voltage by road, filter circuit, the inverter circuit, and the filter circuit reduces
The output current of the inverter, to improve the output power quality of inverter.
6. a kind of solar power system according to claim 1, which is characterized in that the change-over switch, which uses, to be hauled oneself willingly into certainly
Replica automatic change-over, using solar power generation as main power source, using power grid as stand-by power supply, by detecting main power source input
Voltage and stand-by power supply input voltage numerical value switch supply line, solve the electricity generation system and load nothing when illumination is weaker
The problem of method works improves power supply reliability；Simultaneously the change-over switch by from the solar cell array electric energy with
Power grid is isolated, and when accident occurs, the inverter is protected in time, to ensure the economic security of the solar power system
Property.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721482578.0U CN207638341U (en) | 2017-11-07 | 2017-11-07 | A kind of solar power system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721482578.0U CN207638341U (en) | 2017-11-07 | 2017-11-07 | A kind of solar power system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207638341U true CN207638341U (en) | 2018-07-20 |
Family
ID=62856443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721482578.0U Active CN207638341U (en) | 2017-11-07 | 2017-11-07 | A kind of solar power system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207638341U (en) |
-
2017
- 2017-11-07 CN CN201721482578.0U patent/CN207638341U/en active Active
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