CN201750161U - Solar energy comprehensive grid-connected system - Google Patents
Solar energy comprehensive grid-connected system Download PDFInfo
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- CN201750161U CN201750161U CN2010201632985U CN201020163298U CN201750161U CN 201750161 U CN201750161 U CN 201750161U CN 2010201632985 U CN2010201632985 U CN 2010201632985U CN 201020163298 U CN201020163298 U CN 201020163298U CN 201750161 U CN201750161 U CN 201750161U
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- solar
- junction circuit
- direct current
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Abstract
The utility model relates to a solar energy comprehensive grid-connected system which comprises a solar energy panel array, a solar energy comprehensive grid-connected controller and a grid-connected inverter, wherein the solar energy comprehensive grid-connected controller is respectively connected with the solar energy panel array and the grid-connected inverter for forming a loop, and alternating current after inversion is transmitted to a commercial power grid. The solar energy comprehensive grid-connected system mainly aims at simplifying the connection steps of the grid-connected system, reducing equipment required by the system and the debugging step, and greatly improving the installation speed and the using stability of the grid-connected system.
Description
Technical field
The utility model relates to sending into the intelligence control system of electricity network after the solar energy inversion, is specifically related to the solar energy composite grid-connected system.
Background technology
At present, general solar grid-connected system is made up of following four parts: solar panel array, lightning protection device, solar DC power distribution equipment, solar grid-connected inverter, solar energy exchange control device, solar grid-connected supervisory control system is formed.The tool of grid-connected system connects as follows: at first with inserting direct current tandem case after the corresponding connection in series-parallel of array process, dispose corresponding lightning protection device and solar DC power distribution equipment in the direct current tandem case; Then the output of the direct current in the direct current tandem case is inserted solar grid-connected inverter; With the interchange incoming transport tandem case of solar grid-connected inverter output, dispose corresponding lightning protection device in the interchange tandem case and exchange control device with solar energy, city's electrical network is sent in the interchange that exchanges in the tandem case; Solar grid-connected supervisory control system is installed at last.Above process is arranged as can be seen, its installation steps are more loaded down with trivial details.The solar grid-connected system of present this traditional design and use installs and uses and has inconvenience greatly.
Summary of the invention
Problem and defective that the utility model exists for the solar grid-connected system that overcomes existing traditional design, a kind of solar energy composite grid-connected system is provided, both can realize traditional solar grid-connected function, can simplify the installation steps of solar energy greatly again, and improve the security reliability of combining inverter.
The technical solution adopted in the utility model is:
The solar energy composite grid-connected system, comprise solar panel array, solar energy composite net-connected controller, combining inverter composition, it is characterized in that: the solar energy composite net-connected controller connects into the loop with solar panel array, combining inverter respectively, and the alternating current after the inversion is transported to city's electrical network.
Described solar energy composite net-connected controller, comprise direct current junction circuit, lightning protection module, exchange junction circuit, solar grid-connected supervising device, solar panel array links to each other with direct current junction circuit input, combining inverter and lightning protection module are connected to the direct current junction circuit and exchange between the junction circuit, solar grid-connected supervising device respectively with the direct current junction circuit, exchange junction circuit and link to each other, exchange the junction circuit output and be connected to city's electrical network.
Solar grid-connected supervising device comprises single chip machine controlling circuit, Hall current sensor, Hall voltage transducer, the AC energy meter of band A/D translation function, and wherein: Hall current sensor is gathered solar array electric current and inverter output current respectively; The Hall voltage transducer is gathered solar array voltage and inverter output voltage respectively; The single chip machine controlling circuit of band A/D translation function is gathered combining inverter voltage, electric current and solar panel array voltage, electric current; The electric energy that kilowatt-hour meter record combining inverter produces.
The equipment that the utility model adopted is all bought assembling and is obtained from market.
The beneficial effects of the utility model are: simplified the Connection Step of grid-connected system, reduced system's equipment needed thereby and debugging step, improved the installation rate and the stability in use of grid-connected system greatly.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model specific embodiment.
Embodiment
The utility model will be further described in conjunction with the accompanying drawings.
As Fig. 1, shown in Figure 2, the utility model comprises solar panel array, the solar energy composite net-connected controller, combining inverter is formed, described solar energy composite net-connected controller, comprise the direct current junction circuit, the lightning protection module, exchange junction circuit, solar grid-connected supervising device, solar panel array links to each other with direct current junction circuit input, combining inverter and lightning protection module are connected to the direct current junction circuit and exchange between the junction circuit, solar grid-connected supervising device respectively with the direct current junction circuit, the interchange junction circuit links to each other, and exchanges the junction circuit output and is connected to city's electrical network.
Solar grid-connected supervising device comprises single chip machine controlling circuit, Hall current sensor, Hall voltage transducer, the AC energy meter of band A/D translation function, and wherein: Hall current sensor is gathered solar array electric current and inverter output current respectively; The Hall voltage transducer is gathered solar array voltage and inverter output voltage respectively; The single chip machine controlling circuit of band A/D translation function is gathered combining inverter voltage, electric current and solar panel array voltage, electric current; The electric energy that kilowatt-hour meter record combining inverter produces.
The equipment that the utility model adopted is all bought assembling and is obtained from market.
The utility model has been simplified the Connection Step of grid-connected system in the actual project installation that is incorporated into the power networks is used, reduced system's equipment needed thereby and debugging step, has improved the installation rate and the stability in use of grid-connected system greatly.
Claims (2)
1. solar energy composite grid-connected system, comprise solar panel array, solar energy composite net-connected controller, combining inverter composition, it is characterized in that: the solar energy composite net-connected controller connects into the loop with solar panel array, combining inverter respectively, and the alternating current after the inversion is transported to city's electrical network.
2. solar energy composite grid-connected system according to claim 1, it is characterized in that: described solar energy composite net-connected controller, comprise direct current junction circuit, lightning protection module, exchange junction circuit, solar grid-connected supervising device, solar panel array links to each other with direct current junction circuit input, combining inverter and lightning protection module are connected to the direct current junction circuit and exchange between the junction circuit, solar grid-connected supervising device respectively with the direct current junction circuit, exchange junction circuit and link to each other, exchange the junction circuit output and be connected to city's electrical network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201632985U CN201750161U (en) | 2010-04-14 | 2010-04-14 | Solar energy comprehensive grid-connected system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201632985U CN201750161U (en) | 2010-04-14 | 2010-04-14 | Solar energy comprehensive grid-connected system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201750161U true CN201750161U (en) | 2011-02-16 |
Family
ID=43584833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201632985U Expired - Lifetime CN201750161U (en) | 2010-04-14 | 2010-04-14 | Solar energy comprehensive grid-connected system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201750161U (en) |
-
2010
- 2010-04-14 CN CN2010201632985U patent/CN201750161U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110216 |
|
| CX01 | Expiry of patent term |