CN201741991U - Photovoltaic distribution cabinet - Google Patents
Photovoltaic distribution cabinet Download PDFInfo
- Publication number
- CN201741991U CN201741991U CN 201020275185 CN201020275185U CN201741991U CN 201741991 U CN201741991 U CN 201741991U CN 201020275185 CN201020275185 CN 201020275185 CN 201020275185 U CN201020275185 U CN 201020275185U CN 201741991 U CN201741991 U CN 201741991U
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- CN
- China
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- circuit breaker
- main circuit
- electric energy
- energy metering
- inverter
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Abstract
The utility model provides a photovoltaic distribution cabinet including a cabinet body. An isolating switch, a main circuit breaker, a bidirectional electric energy metering device, an electric energy metering device, an AC main circuit breaker, an inverter, a DC main circuit breaker and a lightning arrester i are connected in the cabinet body sequentially; a DC circuit breaker is connected between the DC main circuit breaker and the inverter; the AC main circuit breaker is connected with a grid-connected controller, a reverse power controller and an AC circuit breaker i respectively; an AC circuit breaker ii is connected between the electric energy metering device and the bidirectional electric energy metering device; and a lightning arrester ii is connected between the main circuit breaker and the bidirectional electric energy metering device. The utility model has the technical effects that the photovoltaic distribution cabinet is applicable to photovoltaic components with various capacities, and integrates the inverter, the circuit breakers, the lightning arresters and the grid-connected controller and the like into a whole; the photovoltaic distribution cabinet is very simple and convenient to be mounted, and can be used for the loads so long as the direct current supply of the photovoltaic components and the AC power supply of the public power network are switched in; and the real-time electrical quantity parameters and the status of the circuit breakers are directly viewed through communication in the distance.
Description
Technical field
The utility model relates to a kind of power distribution cabinet, relates in particular to a kind of photovoltaic power distribution cabinet.
Background technology
Solar energy power generating is the important way of solar energy development, utilization.Enter 2009, have more at home under the strong promotion of company of the capability of independent innovation and stronger scientific research strength, photovoltaic power generation technology has had very fast innovation and development; Add national three Ministry of Finance of ministries and commissions in 2009 on July 16,, the Department of Science and Technology, National Energy Board and unite and printed and distributed " about implementing the notice of golden sun demonstration project ", accelerated the industrialization and the large-scale development of domestic photovoltaic generation.
In solar photovoltaic generation system, be typically equipped with power distribution cabinet at present, the dual mode that the alternating current-direct current unification is arranged and exchange, direct current separates, but its function singleness are as just the usefulness of distributing electric energy.In the consideration of the convenience of installing, intellectuality, aspect such as multi-functional, one type of prior art syringe still is difficult to meet the demands.
Summary of the invention
The purpose of this utility model is to provide a kind of photovoltaic power distribution cabinet, by integration to inverter, circuit breaker, isolating switch, lightning protection device, net-connected controller, inverse probability controller, bidirectional measuring kilowatt-hour meter, can provide complete power distribution cabinet scheme, the on-the-spot connection succinctly conveniently.
The utility model is achieved like this, it comprises cabinet, isolating switch, main circuit breaker, two-way electric energy metering machine, electric energy metering machine, exchange main circuit breaker, inverter, the direct current main circuit breaker, dc circuit breaker, net-connected controller, the inverse probability controller, AC circuit breaker i, AC circuit breaker ii, lightning protection device i, lightning protection device ii, it is characterized in that being connected with successively in the cabinet isolating switch, main circuit breaker, two-way electric energy metering machine, electric energy metering machine, exchange main circuit breaker, inverter, direct current main circuit breaker and lightning protection device i, be connected with dc circuit breaker between direct current main circuit breaker and the inverter, exchange main circuit breaker and be connected with net-connected controller respectively, inverse probability controller and AC circuit breaker i, be connected with AC circuit breaker ii between electric energy metering machine and the two-way electric energy metering machine, be connected with lightning protection device ii between main circuit breaker and the two-way electric energy metering machine.
Technique effect of the present utility model is: the photovoltaic module that is applicable to various capacity, power distribution cabinet all integrates inverter, circuit breaker, lightning protection device, net-connected controller, inverse probability controller etc., has possessed that electric leakage, short circuit, overcurrent protection, watt metering, electrical network are incorporated into the power networks, inverse probability control and lightning protection, remote measurement, remote signalling function; Very simple and convenient when power distribution cabinet is installed, only need the DC power supply of access photovoltaic module and the AC power of public electric wire net to use for load.Real-time electrical parameter and circuit-breaker status can directly be checked by communication in a distant place.
Description of drawings
Fig. 1 is a functional-block diagram of the present utility model.
In the drawings, 1, cabinet 2, isolating switch 3, main circuit breaker 4, two-way electric energy metering machine 5, electric energy metering machine 6, interchange main circuit breaker 7, inverter 8, direct current main circuit breaker 9, dc circuit breaker 10, net-connected controller 11, inverse probability controller 12, AC circuit breaker i 13, AC circuit breaker ii 14, lightning protection device i15, lightning protection device ii
Embodiment
As shown in Figure 1, the utility model is achieved like this, be connected with isolating switch 2 in the cabinet 1 successively, main circuit breaker 3, two-way electric energy metering machine 4, electric energy metering machine 5, exchange main circuit breaker 6, inverter 7 and direct current main circuit breaker 8, lightning protection device i14, be connected with dc circuit breaker 9 between direct current main circuit breaker 8 and the inverter 7, exchange main circuit breaker 6 and be connected with net-connected controller 10 respectively, inverse probability controller 11 and AC circuit breaker i12, be connected with AC circuit breaker ii 13 between electric energy metering machine 5 and the two-way electric energy metering machine 4, be connected with lightning protection device ii15 between main circuit breaker 3 and the two-way electric energy metering machine 4.To after the DC power supply of photovoltaic module input is introduced by cable, conflux, and insert inverter 7 or directly supply with other DC load through dc circuit breaker 9 then; The AC power of inverter 7 outputs simultaneously can directly be supplied with AC load by AC circuit breaker i12, or uses for AC load after being incorporated into the power networks by net-connected controller 10 and public electric wire net again; The parameter of power of alterating and direct current and the state of circuit breaker etc. can be uploaded by bus communication, and the gauge table of apolegamy can measure respectively local load electric weight that uses and the electric weight of uploading public electric wire net; 11 of inverse probability controllers can be controlled AC power and not carry to public electric wire net, only use for local load, realize irreversible being incorporated into the power networks.
Claims (1)
1. photovoltaic power distribution cabinet, it comprises cabinet, isolating switch, main circuit breaker, two-way electric energy metering machine, electric energy metering machine, exchange main circuit breaker, inverter, the direct current main circuit breaker, dc circuit breaker, net-connected controller, the inverse probability controller, AC circuit breaker i, AC circuit breaker ii, lightning protection device i, lightning protection device ii, it is characterized in that being connected with successively in the cabinet isolating switch, main circuit breaker, two-way electric energy metering machine, electric energy metering machine, exchange main circuit breaker, inverter, direct current main circuit breaker and lightning protection device i, be connected with dc circuit breaker between direct current main circuit breaker and the inverter, exchange main circuit breaker and be connected with net-connected controller respectively, inverse probability controller and AC circuit breaker i, be connected with AC circuit breaker ii between electric energy metering machine and the two-way electric energy metering machine, be connected with lightning protection device ii between main circuit breaker and the two-way electric energy metering machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020275185 CN201741991U (en) | 2010-07-29 | 2010-07-29 | Photovoltaic distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020275185 CN201741991U (en) | 2010-07-29 | 2010-07-29 | Photovoltaic distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201741991U true CN201741991U (en) | 2011-02-09 |
Family
ID=43557268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020275185 Expired - Fee Related CN201741991U (en) | 2010-07-29 | 2010-07-29 | Photovoltaic distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201741991U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439546A (en) * | 2013-07-26 | 2013-12-11 | 国家电网公司 | Electric energy measuring system and method for low-voltage user photovoltaic power generation |
| CN104779900A (en) * | 2014-01-14 | 2015-07-15 | 保利协鑫（苏州）新能源运营管理有限公司 | Photovoltaic grid-connected apparatus |
| CN109291814A (en) * | 2018-10-15 | 2019-02-01 | 江苏万帮德和新能源科技股份有限公司 | A kind of Intelligent charging device for electric vehicles and working method |
-
2010
- 2010-07-29 CN CN 201020275185 patent/CN201741991U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439546A (en) * | 2013-07-26 | 2013-12-11 | 国家电网公司 | Electric energy measuring system and method for low-voltage user photovoltaic power generation |
| CN104779900A (en) * | 2014-01-14 | 2015-07-15 | 保利协鑫（苏州）新能源运营管理有限公司 | Photovoltaic grid-connected apparatus |
| CN109291814A (en) * | 2018-10-15 | 2019-02-01 | 江苏万帮德和新能源科技股份有限公司 | A kind of Intelligent charging device for electric vehicles and working method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20180729 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |