CN204992281U - Photovoltaic alternating current power distribution cabinet - Google Patents
Photovoltaic alternating current power distribution cabinet Download PDFInfo
- Publication number
- CN204992281U CN204992281U CN201520819769.6U CN201520819769U CN204992281U CN 204992281 U CN204992281 U CN 204992281U CN 201520819769 U CN201520819769 U CN 201520819769U CN 204992281 U CN204992281 U CN 204992281U
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- CN
- China
- Prior art keywords
- circuit breaker
- photovoltaic
- distribution cabinet
- alternating current
- power distribution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- 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
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- Emergency Protection Circuit Devices (AREA)
- Distribution Board (AREA)
Abstract
The utility model relates to the technical field of electrical equipment, specifically belong to a photovoltaic alternating current power distribution cabinet, including having alternating current circuit ware, surge voltage inhibitor, multifunctional electricity meter and preventing return flow device, alternating current circuit ware, surge voltage inhibitor, multifunctional electricity meter and prevent series connection between the return flow device, the alternating current circuit ware electric energy and control circuit break -make be used for distributing, surge suppressor provide safety protection, multifunctional electricity meter be used for monitoring voltage, electric current, power sum frequency, the return flow device that prevents be used for preventing electric energy feed -in electric wire netting. The utility model discloses the switch board adopts frame -type circuit breaker, has high breaking capacity, adopt syllogic electric current protective bonding, rapidly the disengagement failure, the configuration prevent return flow device, can prevent electric energy feed -in electric wire netting to the power station system that generates power for their own use. Mechanism design is reasonable, security high be fit for extensively use widely.
Description
Technical field
The utility model relates to technical field of electric equipment, specifically belongs to a kind of photovoltaic AC power distribution cabinet/AC distribution panel.
Background technology
Photovoltaic alternating current-direct current control cubicle is photovoltaic and exchanges control cubicle and photovoltaic DC control cubicle; photovoltaic DC control cubicle is mainly used in large-sized photovoltaic power station; be used for connecting header box and photovoltaic DC-to-AC converter; and provide lightning protection and overcurrent protection, single crosstalk stream of monitoring photovoltaic array, voltage and lightning protection device state, short-circuiting device state.Electrical design, the Component selection of specialty, can ensure long steady operation.Exchanging control cubicle is the Alternating Current Unit exporting the functions such as the output of electricity, monitoring, display and equipment protection for realizing inverter.By AC power distribution cabinet/AC distribution panel for inverter provides output interface, configuration output AC circuit breaker direct grid-connected (or for AC load), photovoltaic generating system break down need repairing time, the safety of photovoltaic generating system and electrical network (or load) can not be had influence on, also ensure that the personal safety of maintenance personal simultaneously.
The photovoltaic AC power distribution cabinet/AC distribution panel components and parts configuration of prior art is complicated, and system wiring is loaded down with trivial details, and installation and maintenance difficulty, in addition, the photovoltaic AC power distribution cabinet/AC distribution panel of prior art does not possess the ability of high breaking and rapid disengagement failure and counterflow-preventing.
Summary of the invention
The purpose of this utility model there is provided a kind ofly has system configuration optimization, photovoltaic AC power distribution cabinet/AC distribution panel applied widely, and the Main Function of this power distribution cabinet is carried out protecting, monitor and boosting by the alternating current that photovoltaic DC-to-AC converter exports.
The technical solution adopted in the utility model is as follows:
A kind of photovoltaic AC power distribution cabinet/AC distribution panel, comprise and there is AC circuit breaker, Surge Suppressors, multifunction electric meter and anti-backflow device, described AC circuit breaker, Surge Suppressors, to be connected in series between multifunction electric meter and anti-backflow device, described AC circuit breaker is connected to the rear side of Surge Suppressors, described multifunction electric meter is connected to the rear side of AC circuit breaker, and described anti-backflow device is connected to the rear side of multifunction electric meter; Described AC circuit breaker is for distributing electric energy and control circuit break-make, and described surge suppressor provides security protection, and described multifunction electric meter is used for monitoring voltage, electric current, power and frequency, and described anti-backflow device is used for preventing electric energy feed-in electrical network.
Preferably, described AC circuit breaker is the frame-type circuit breaker with high breaking capacity.
Preferably, the mode of connection of described AC circuit breaker adopts three-step charging.
Preferably, described Surge Suppressors is votage limit type and has lightning protection and overload protection function.
Compared with the prior art, the beneficial effects of the utility model are as follows:
The utility model power distribution cabinet adopts frame-type circuit breaker, has high breaking capacity; Employing three-step charging connects, can disengagement failure rapidly; The anti-backflow device of this power distribution cabinet configuration, can prevent electric energy feed-in electrical network to the electric power station system of generating power for their own use.Mechanism design is reasonable, fail safe high be applicable to extensively promote the use of.
Accompanying drawing explanation
Fig. 1 is the utility model power distribution cabinet structural representation.
Embodiment
See accompanying drawing 1, a kind of photovoltaic AC power distribution cabinet/AC distribution panel, comprise and there is AC circuit breaker, Surge Suppressors, multifunction electric meter and anti-backflow device, described AC circuit breaker, Surge Suppressors, to be connected in series between multifunction electric meter and anti-backflow device, described AC circuit breaker is connected to the rear side of Surge Suppressors, described multifunction electric meter is connected to the rear side of AC circuit breaker, and described anti-backflow device is connected to the rear side of multifunction electric meter; Described AC circuit breaker is for distributing electric energy and control circuit break-make, and described surge suppressor provides security protection, and described multifunction electric meter is used for monitoring voltage, electric current, power and frequency, and described anti-backflow device is used for preventing electric energy feed-in electrical network.
Preferably, described AC circuit breaker is the frame-type circuit breaker with high breaking capacity.
Preferably, the mode of connection of described AC circuit breaker adopts three-step charging.
Preferably, described Surge Suppressors is votage limit type and has lightning protection and overload protection function.
The utility model power distribution cabinet is arranged on the rear end of photovoltaic DC-to-AC converter, and photovoltaic DC-to-AC converter alternating current passes through the utility model
The various electric components of power distribution cabinet inside carry out distributing electric energy and failure judgement and monitor the voltage of alternating current, electric current, power and frequency, the electricity meeting line voltage requirement is connected to the grid, in addition, the anti-backflow device of the utility model power distribution cabinet can prevent electric energy feed-in electrical network.Mechanism design is reasonable, fail safe high be applicable to extensively promote the use of.
Claims (4)
1. a photovoltaic AC power distribution cabinet/AC distribution panel, comprise and there is AC circuit breaker, Surge Suppressors, multifunction electric meter and anti-backflow device, it is characterized in that: described AC circuit breaker, Surge Suppressors, to be connected in series between multifunction electric meter and anti-backflow device, described AC circuit breaker is connected to the rear side of Surge Suppressors, described multifunction electric meter is connected to the rear side of AC circuit breaker, and described anti-backflow device is connected to the rear side of multifunction electric meter; Described AC circuit breaker is for distributing electric energy and control circuit break-make, and described surge suppressor provides security protection, and described multifunction electric meter is used for monitoring voltage, electric current, power and frequency, and described anti-backflow device is used for preventing electric energy feed-in electrical network.
2. a kind of photovoltaic AC power distribution cabinet/AC distribution panel according to claim 1, is characterized in that: described AC circuit breaker is the frame-type circuit breaker with high breaking capacity.
3. a kind of photovoltaic AC power distribution cabinet/AC distribution panel according to claim 1 and 2, is characterized in that: the mode of connection of described AC circuit breaker adopts three-step charging.
4. a kind of photovoltaic AC power distribution cabinet/AC distribution panel according to claim 1, is characterized in that: described Surge Suppressors is votage limit type and has lightning protection and overload protection function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520819769.6U CN204992281U (en) | 2015-10-18 | 2015-10-18 | Photovoltaic alternating current power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520819769.6U CN204992281U (en) | 2015-10-18 | 2015-10-18 | Photovoltaic alternating current power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204992281U true CN204992281U (en) | 2016-01-20 |
Family
ID=55126610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520819769.6U Expired - Fee Related CN204992281U (en) | 2015-10-18 | 2015-10-18 | Photovoltaic alternating current power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204992281U (en) |
-
2015
- 2015-10-18 CN CN201520819769.6U patent/CN204992281U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20181018 |