CN214069595U - Autonomous photovoltaic power generation control system - Google Patents
Autonomous photovoltaic power generation control system Download PDFInfo
- Publication number
- CN214069595U CN214069595U CN202023066694.9U CN202023066694U CN214069595U CN 214069595 U CN214069595 U CN 214069595U CN 202023066694 U CN202023066694 U CN 202023066694U CN 214069595 U CN214069595 U CN 214069595U
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- Prior art keywords
- power generation
- photovoltaic power
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- photovoltaic
- transformer
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- 238000010248 power generation Methods 0.000 title claims abstract description 33
- 238000004891 communication Methods 0.000 claims abstract description 7
- 230000009977 dual effect Effects 0.000 claims 4
- 238000012806 monitoring device Methods 0.000 claims 4
- 238000005259 measurement Methods 0.000 abstract description 13
- 230000005611 electricity Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
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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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
- Y04S10/123—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving renewable energy sources
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- Supply And Distribution Of Alternating Current (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Photovoltaic Devices (AREA)
Abstract
The utility model discloses an autonomous photovoltaic power generation control system belongs to photovoltaic power generation control technical field. The intelligent control system comprises a photovoltaic module, a controller, an inverter, a box type transformer, a high-voltage side switch, a power grid, an auxiliary transformer, a double-input photovoltaic power supply, a box transformer measurement and control device, a storage battery, a GPS remote switch, a communication module and a terminal module which are sequentially connected. The utility model controls the on and off of the high-voltage side switch through the box transformer substation measurement and control device, and when sunlight and a photovoltaic module can generate electricity, the power generation unit is merged into a power grid; when the generated power is insufficient, the power generation unit is disconnected from the power grid, so that unnecessary electric energy loss is avoided, and the operation efficiency of the photovoltaic power generation system is improved; the working state of the power generation system can be remotely controlled through a remote terminal, so that the operation is convenient, and the centralized management is convenient.
Description
Technical Field
The utility model relates to a photovoltaic power generation control technical field, specifically speaking especially relates to autonomous photovoltaic power generation control system.
Background
Solar energy is one of important energy sources in human life as a clean renewable energy source. Photovoltaic power generation is an important way to convert solar energy into electrical energy that can be conveniently used. Because photovoltaic power generation directly depends on illumination, the photovoltaic power generation is an intermittent energy source, when the sun is in a mountain or in rainy weather, the photovoltaic panel cannot provide enough energy, and at the moment, an inverter, a box-type transformer and auxiliary facilities of a power station in the power station all need to obtain electric energy from a power grid. At the moment, if the power generation unit can be disconnected from the power grid, the energy consumption of the photovoltaic power station can be effectively reduced, and the efficiency of the photovoltaic power station is improved. Therefore, there is a need for an autonomous photovoltaic power generation control system, which disconnects the solar power generation from the power grid when the power of the solar power generation is insufficient, thereby avoiding unnecessary power loss and realizing autonomous power generation.
Disclosure of Invention
In order to solve the problem, the utility model discloses an autonomous photovoltaic power generation control system.
The utility model discloses a realize through following technical scheme:
an autonomous photovoltaic power generation control system comprises a photovoltaic component, a controller, an inverter, a box-type transformer, a high-voltage side switch and a power grid which are connected in sequence, an auxiliary transformer, a dual-input photovoltaic power supply, a box-type transformer measurement and control device, a storage battery, a GPS remote switch, a communication module and a terminal module, wherein one end of the auxiliary transformer is connected with the low-voltage end of the box-type transformer, the other end of the auxiliary transformer is connected with the input end of the dual-input photovoltaic power supply, the input end of the inverter is connected with the input end of the dual-input photovoltaic power supply, the output end of the dual-input photovoltaic power supply is connected with the box-type transformer measurement and control device, the output end of the box-type transformer measurement and control device is connected with the high-voltage side switch for controlling the on and off of the high-voltage side switch, the output end of the box-type transformer measurement and control device is connected with the inverter for controlling the startup and shutdown of the inverter, and the storage battery is connected with the controller, the controller is further connected with a GPS remote switch, and the GPS remote switch is connected with the terminal module through a communication module.
The controller adopts a MediaMT7620 chip.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model controls the on and off of the high-voltage side switch through the box transformer substation measurement and control device, and when sunlight and a photovoltaic module can generate electricity, the power generation unit is merged into a power grid; when the generated power is insufficient, the power generation unit is disconnected from the power grid, so that unnecessary electric energy loss is avoided, and the operation efficiency of the photovoltaic power generation system is improved; the working state of the power generation system can be remotely controlled through a remote terminal, so that the operation is convenient, and the centralized management is convenient.
Drawings
Fig. 1 is a schematic diagram of the system structure of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in the attached figure 1 of the specification, the autonomous photovoltaic power generation control system comprises a photovoltaic module, a controller, an inverter, a box-type transformer, a high-voltage side switch and a power grid, as well as an auxiliary transformer, a dual-input photovoltaic power supply, a box-type transformer measurement and control device, a storage battery, a GPS remote switch, a communication module and a terminal module which are connected in sequence, wherein one end of the auxiliary transformer is connected with the low-voltage end of the box-type transformer, the other end of the auxiliary transformer is connected with the input end of the dual-input photovoltaic power supply, the input end of the inverter is connected with the input end of the dual-input photovoltaic power supply, the dual-input light source obtains electricity from the photovoltaic module and the auxiliary transformer, the output end of the dual-input photovoltaic power supply is connected with the box-type transformer measurement and control device, the output end of the box-type transformer measurement and control device is connected with the high-voltage side switch for controlling the on and off of the high-voltage side switch, and the output end of the box-type transformer measurement and control device is connected with the inverter for controlling the on and off of the inverter, the storage battery is connected with the controller, the controller is further connected with the GPS remote switch, and the GPS remote switch is connected with the terminal module through the communication module.
The controller adopts a MediaMT7620 chip.
The utility model discloses the controller can acquire the power output situation of box transformer and the output of dc-to-ac converter, and when there is not sunshine, the output of dc-to-ac converter is less than the no-load loss of box transformer for a long time, and the controller sends the shut down instruction to box transformer measurement and control device and dc-to-ac converter, and the dc-to-ac converter enters the power-off state, and box transformer measurement and control device control disconnection high-pressure side switch makes whole photovoltaic power generation system and electric wire netting disconnection, reduces standby state's power consumption; on the contrary, when sunlight exists, the inverter normally works, the high-voltage side switch is closed, and the photovoltaic power generation system is merged into the power grid. The control mode improves the power generation efficiency of the whole photovoltaic power generation system.
In addition, the controller can be remotely controlled through the terminal module and the GPS remote switch, and the power generation state of the power generation system can be controlled through the terminal module, such as the PC terminal.
In summary, the present invention is only a preferred embodiment, and is not intended to limit the scope of the present invention, and all equivalent changes and modifications in the shape, structure, characteristics and spirit of the claims of the present invention should be included in the scope of the claims of the present invention.
Claims (2)
1. An autonomous photovoltaic power generation control system, characterized in that: including photovoltaic module, controller, inverter, box transformer, high pressure side switch and the electric wire netting that connects gradually to and auxiliary transformer, dual input photovoltaic power, box become monitoring device, battery, GPS remote switch, communication module and terminal module, auxiliary transformer's one end is connected with the low-voltage end of box transformer, and the other end is connected with the input of dual input photovoltaic power, the input of inverter is connected with the input of dual input photovoltaic power, the output of dual input photovoltaic power is connected with box becomes monitoring device, box becomes monitoring device's output and high-voltage side switch link to each other and is used for controlling the opening and closing of high pressure side switch, box becomes monitoring device's output and inverter link to each other and are used for controlling the start-up and the shut-down of inverter, the battery is connected with the controller, the controller still is connected with GPS remote switch, the GPS remote switch is connected with the terminal module through the communication module.
2. The autonomous photovoltaic power generation control system of claim 1, wherein: the controller adopts a MediaMT7620 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023066694.9U CN214069595U (en) | 2020-12-18 | 2020-12-18 | Autonomous photovoltaic power generation control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023066694.9U CN214069595U (en) | 2020-12-18 | 2020-12-18 | Autonomous photovoltaic power generation control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214069595U true CN214069595U (en) | 2021-08-27 |
Family
ID=77409630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023066694.9U Expired - Fee Related CN214069595U (en) | 2020-12-18 | 2020-12-18 | Autonomous photovoltaic power generation control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214069595U (en) |
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2020
- 2020-12-18 CN CN202023066694.9U patent/CN214069595U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210827 |
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| CF01 | Termination of patent right due to non-payment of annual fee |