CN205051362U - Grid -connected PV all -in -one - Google Patents
Grid -connected PV all -in -one Download PDFInfo
- Publication number
- CN205051362U CN205051362U CN201520850857.2U CN201520850857U CN205051362U CN 205051362 U CN205051362 U CN 205051362U CN 201520850857 U CN201520850857 U CN 201520850857U CN 205051362 U CN205051362 U CN 205051362U
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- CN
- China
- Prior art keywords
- grid
- input unit
- lightning protection
- output unit
- direct current
- 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.)
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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
Abstract
The utility model discloses a grid -connected PV all -in -one, its principle is that photovoltaic module sends the direct current through the input photovoltaic grid -connected inverter contravariant one -tenth alternating current that converges through photovoltaic effect. The system includes input unit and output unit, input unit include the input of direct current insurance, direct current breaker, direct current lightning protection and dc -to -ac converter, output unit include inverter output, alternating current circuit ware, exchange isolator, under -voltagely take off a mouthful runback protector, exchange lightning protection and binding post. It is as an organic whole that this all -in -one can collect lightning protection, overcurrent protection, monitoring photovoltaic array's functions such as single crosstalk stream, voltage, lightning protection device state and breaker state, has not only practiced thrift the cost, still succinct application.
Description
Technical field
The utility model belongs to solar energy generation technology field, is specifically related to a kind of grid-connected all-in-one.
Background technology
In the photovoltaic application of solar energy, parallel network power generation is the important development trend of photovoltaic application, has become the principal mode of photovoltaic application.The controlling unit of target product and inversion link are two independently functions, and in traditional product, the carrier of these two function links is two independently products---controller, inverter, very inconvenient in actual applications.Again because photovoltaic apparatus is exposed to open air throughout the year; and the electronic component quite sensitive such as inverter; therefore, need to design a photovoltaic combining inverter all-in-one that can integrate the functions such as lightning protection, overcurrent protection, single crosstalk stream of monitoring photovoltaic array, voltage, lightning protection device state and circuit-breaker status.
Utility model content
The utility model is in order to overcome the shortcoming and defect of prior art; the utility model provides a kind of grid-connected all-in-one, and the utility model can integrate lightning protection, overcurrent protection, single crosstalk stream of monitoring photovoltaic array, voltage, the function such as lightning protection device state and circuit-breaker status.
The utility model solves the technical scheme that its technical problem adopts: a kind of grid-connected all-in-one, comprise input unit and output unit, described output unit comprises inverter, AC circuit breaker, overvoltage/undervoltage self-healed protection device, knife switch and grid-connected output unit, described input unit comprises inverter input unit, DC circuit breaker and the input unit that confluxes, described output unit also comprises communication lightning-protection device, described communication lightning-protection device is connected between overvoltage/undervoltage self-healed protection device and isolating switch, described input unit also comprises DC lightning prevention device, described DC lightning prevention device is connected between inverter input unit and DC circuit breaker.
The grid-connected all-in-one of described one, its inverter is provided with RS-485 communication interface.
The beneficial effects of the utility model are: due to input unit and output unit being connected to lightning protection device; this all-in-one can integrate lightning protection, overcurrent protection, single crosstalk stream of monitoring photovoltaic array, voltage, the function such as lightning protection device state and circuit-breaker status; not only save cost, also succinct application.
Accompanying drawing explanation
Fig. 1 is electrical schematic diagram of the present utility model.
Each Reference numeral is: 1-output unit, 2-input unit, 1.1-inverter; 1.2-AC circuit breaker; 1.3-overvoltage/undervoltage self-healed protection device, 1.4-isolating switch, the grid-connected output unit of 1.5-; 1.6-communication lightning-protection device; 1.7-RS-485 communication interface, 2.1-inverter input unit, 2.2-DC circuit breaker; the input unit 2.3-conflux, 2.4-DC lightning prevention device.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
With reference to shown in Fig. 1, the utility model discloses a kind of grid-connected all-in-one, comprise input unit 1 and output unit 2, described input unit 1 comprises inverter 1.1, AC circuit breaker 1.2, overvoltage/undervoltage self-healed protection device 1.3, isolating switch 1.4 and grid-connected output unit 1.5, described inverter 1.1 is provided with RS-485 communication interface 1.6, described output unit 2 comprises inverter input unit 2.1, DC circuit breaker 2.2 and the input unit 2.3 that confluxes, described input unit 1 also comprises communication lightning-protection device 1.6, described communication lightning-protection device 1.6 is connected between overvoltage/undervoltage self-healed protection device 1.3 and isolating switch 1.4, described output unit 2 also comprises DC lightning prevention device 2.4, described DC lightning prevention device 2.4 is connected between inverter input unit 2.1 and DC circuit breaker 2.2.
Due to input unit and output unit being connected to lightning protection device; this all-in-one can integrate lightning protection, overcurrent protection, single crosstalk stream of monitoring photovoltaic array, voltage, the function such as lightning protection device state and circuit-breaker status; not only save cost, also succinct application.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only; and the embodiment that unit uses; for the person of ordinary skill of the art; under the prerequisite not departing from the utility model creation design; can also make some distortion and improvement, these all belong to protection range of the present utility model.
Claims (2)
1. a grid-connected all-in-one, comprise output unit (1) and input unit (2), described output unit (1) comprises inverter (1.1), AC circuit breaker (1.2), overvoltage/undervoltage self-healed protection device (1.3), isolating switch (1.4) and grid-connected output unit (1.5), described input unit (2) comprises inverter input (2.1), DC circuit breaker (2.2), conflux input (2.3) and DC lightning prevention (2.4), it is characterized in that: described output unit (1) also comprises communication lightning-protection device (1.6), described communication lightning-protection device (1.6) is connected between overvoltage/undervoltage self-healed protection device (1.3) and isolating switch (1.4), described input unit (2) also comprises DC lightning prevention device (2.4), described DC lightning prevention device (2.4) is connected between inverter input unit (2.1) and DC circuit breaker (2.2).
2. the grid-connected all-in-one of one according to claim 1, is characterized in that, described inverter (1.1) is provided with RS-485 communication interface (1.6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520850857.2U CN205051362U (en) | 2015-10-30 | 2015-10-30 | Grid -connected PV all -in -one |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520850857.2U CN205051362U (en) | 2015-10-30 | 2015-10-30 | Grid -connected PV all -in -one |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205051362U true CN205051362U (en) | 2016-02-24 |
Family
ID=55344906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520850857.2U Active CN205051362U (en) | 2015-10-30 | 2015-10-30 | Grid -connected PV all -in -one |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205051362U (en) |
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2015
- 2015-10-30 CN CN201520850857.2U patent/CN205051362U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |