CN204167915U - Optimization-type MW level photovoltaic generation the complete sets of equipment - Google Patents
Optimization-type MW level photovoltaic generation the complete sets of equipment Download PDFInfo
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- CN204167915U CN204167915U CN201420713354.6U CN201420713354U CN204167915U CN 204167915 U CN204167915 U CN 204167915U CN 201420713354 U CN201420713354 U CN 201420713354U CN 204167915 U CN204167915 U CN 204167915U
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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Abstract
A kind of Optimization-type MW of the open Optimization-type MW level photovoltaic generation the complete sets of equipment of the utility model level photovoltaic generation the complete sets of equipment, the order electrical connection successively of photovoltaic generation direct current component (1), DC power distribution cabinet (2), photovoltaic combining inverter (3) and transformer with split winding (5); Device controller (6) is connected by order wire with photovoltaic generation direct current component (1), DC power distribution cabinet (2), photovoltaic combining inverter (3), auxiliary photovoltaic combining inverter (4), transformer with split winding (5); Photovoltaic combining inverter (3) is centralized inverter, and auxiliary photovoltaic combining inverter (4) is group string inverter; Two winding inputs of transformer with split winding (4) respectively connect a photovoltaic combining inverter (3) and an auxiliary photovoltaic combining inverter (4); The utility model photovoltaic combining inverter, auxiliary photovoltaic combining inverter with the use of, under low light condition, use auxiliary photovoltaic combining inverter, improve generating efficiency, increase energy output.
Description
Technical field
The utility model belongs to field of photovoltaic power generation, particularly relates to a kind of Optimization-type MW level photovoltaic generation the complete sets of equipment.
Background technology
Along with the development of human civilization is day by day rapid, the demand of the mankind to the energy also increases day by day, and traditional fossil energy is just increasingly exhausted, so exploitation regenerative resource and various green energy resource are the measures that the mankind must take to realize sustainable development.Photovoltaic power generation technology based on Solar use have also been obtained to be paid close attention to widely, along with the development of photovoltaic industry, the occasion of solar power generation application gets more and more, and except building except the large-sized photovoltaic power station of Desert Area, in city, solar power generation is also more and more common.
Inversion transformation generating the complete sets of equipment and transformer station's integrated mode is concentrated in the main MW level that adopts of Chinese photovoltaic power generation grid-connecting application.Inversion transformation implementation procedure is concentrated to be: to be electrically connected in series by photovoltaic module the photovoltaic array that the photovoltaic group string that formed is combined into, polylith photovoltaic module is arranged in support system, solar radiant energy is converted into direct current energy, photovoltaic group string carries out electric parallel connection and confluxes and send into photovoltaic combining inverter (or DC power distribution cabinet in header box, secondary confluxes and sends into photovoltaic combining inverter), the inversion of header box DC power output is converted into alternating current and sends into electrical network through transformer with split winding by usual two photovoltaic combining inverters respectively.This process is continuous print power production process.Current photovoltaic plant designs usually respectively, purchase and installation photovoltaic component, support system, header box, DC power distribution cabinet, inverter and transformer, the control checkout gear signal of these integration of equipments accesses photovoltaic electric substation supervision system respectively, causes equipment in the O&M process of power station to manage respectively, install respectively and keep in repair.
Transformer with split winding to be split into by one of them winding on circuit be not connected and on magnetic circuit, only have the transformer of loosely-coupled two windings, therefore access two input is needed, prior art, photovoltaic inversion transformation pattern designs respectively, buying and mounting means, isolate photovoltaic power generation equipment interactive relationship, the centralized management of photovoltaic electric substation supervision system causes the comprehensively monitoring and the management that lack concentrated inversion power generation process, hinder the raising of photovoltaic power generation apparatus reliability and efficiency performance, simultaneously photovoltaic combining inverter single-machine capacity is high cause low light condition under energy output low, shorten equipment life.
Utility model content
In order to solve prior art problem, the utility model provides a kind of Optimization-type MW level photovoltaic generation the complete sets of equipment, photovoltaic combining inverter, auxiliary photovoltaic combining inverter with the use of, auxiliary photovoltaic combining inverter is used under low light condition, improve generating efficiency, increase energy output, reduce the photovoltaic combining inverter operating time and improve the life-span; And outfit human-computer interaction module, human-computer interaction module is connected with device controller order wire, realize operational factor and curve display, the functions such as sound and light alarm, simultaneously, integrated monitoring device, realize concentrating the generating of inversion pressure swing type photovoltaic power generation apparatus, monitoring and communicating, reach into Analysis of Nested Design, installation, use, automatic, Effec-tive Function object, further raising, based on the inversion transformation mode light photovoltaic generating system efficiency of transformer with split winding and automatization level, is convenient to Installation and Debugging and operation maintenance.
The technical solution adopted in the utility model is:
A kind of Optimization-type MW level photovoltaic generation the complete sets of equipment, is characterized in that, comprise photovoltaic generation direct current component, DC power distribution cabinet, photovoltaic combining inverter, auxiliary photovoltaic combining inverter, transformer with split winding and device controller;
The order electrical connection successively of photovoltaic generation direct current component, DC power distribution cabinet, photovoltaic combining inverter and transformer with split winding, auxiliary photovoltaic combining inverter electrical connection is between DC power distribution cabinet, transformer with split winding;
Device controller and photovoltaic generation direct current component, DC power distribution cabinet, photovoltaic combining inverter, auxiliary photovoltaic combining inverter, transformer with split winding is connected by order wire;
Photovoltaic combining inverter is centralized inverter, and auxiliary photovoltaic combining inverter is group string inverter; Photovoltaic combining inverter power is large, uses centralized inverter, and auxiliary photovoltaic combining inverter power is little, use group string inverter, uses auxiliary photovoltaic combining inverter under low light condition.Device controller is according to the output power information of photovoltaic generation direct current component, DC power distribution cabinet, control operation and the stopping of photovoltaic combining inverter and auxiliary photovoltaic combining inverter, make photovoltaic generation the complete sets of equipment efficiency high, increase energy output, reduce the photovoltaic combining inverter operating time improve the life-span (the utility model not to device controller to the operation of photovoltaic combining inverter or auxiliary photovoltaic combining inverter or stop control belonging to existing mature technology).
Two winding inputs of transformer with split winding respectively connect a photovoltaic combining inverter and an auxiliary photovoltaic combining inverter; Two inputs of transformer with split winding respectively connect a photovoltaic combining inverter and an auxiliary photovoltaic combining inverter, transformer with split winding to be split into by one of them winding on circuit be not connected and on magnetic circuit, only have the transformer of loosely-coupled two windings, therefore access two input is needed, a photovoltaic combining inverter and an auxiliary photovoltaic combining inverter, two inputs of transformer with split winding respectively connect one group of combining inverter, often organize combining inverter and connect a DC power distribution cabinet.
Photovoltaic generation direct current component comprises photovoltaic module bracing or strutting arrangement, photovoltaic module string, direct current conflux case;
Photovoltaic module string comprises some photovoltaic modulies be connected in series, and photovoltaic module bracing or strutting arrangement is used for fixed light photovoltaic assembly, and photovoltaic module was connected with photovoltaic combining inverter after ganging up parallel way access direct current conflux case.
Device controller is connected by RS485 or radio communication or Ethernet or CAN network with between photovoltaic generation direct current component, DC power distribution cabinet, photovoltaic combining inverter, transformer with split winding.
Some photovoltaic generation direct current component are by electric parallel way access DC power distribution cabinet.
Photovoltaic module bracing or strutting arrangement is support or tracker, and tracker is single-axis tracker or tiltedly single-axis tracker or biaxial tracker.
A DC power distribution cabinet connects some photovoltaic generation direct current component.
Photovoltaic generation direct current component, DC power distribution cabinet, photovoltaic combining inverter, auxiliary photovoltaic combining inverter, transformer with split winding and device controller are provided with wireless communication interface, serial communication interface, ethernet interface.
Compared with prior art, the utility model beneficial effect comprises:
The utility model Optimization-type MW level photovoltaic generation the complete sets of equipment, photovoltaic combining inverter, auxiliary photovoltaic combining inverter with the use of, under low light condition, use auxiliary photovoltaic combining inverter, improve generating efficiency, increase energy output, reduce the photovoltaic combining inverter operating time and improve the life-span; Simultaneously, the utility model realizes concentrating the generating of inversion pressure swing type photovoltaic power generation apparatus, monitoring and communicating, reach photovoltaic generation direct current component, DC power distribution cabinet, photovoltaic combining inverter, transformer with split winding become Analysis of Nested Design, installation, use, automatically, Effec-tive Function object, further raising photovoltaic generating system efficiency and automatization level, be convenient to Installation and Debugging and operation maintenance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model Optimization-type MW level photovoltaic generation the complete sets of equipment;
Fig. 2 is the utility model photovoltaic generation direct current component structural representation.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1 (in Fig. 1, solid line represents electrical connection, dotted line represents that order wire connects), a kind of Optimization-type MW level photovoltaic generation the complete sets of equipment, it is characterized in that, comprise photovoltaic generation direct current component 1, DC power distribution cabinet 2, photovoltaic combining inverter 3, auxiliary photovoltaic combining inverter 4, transformer with split winding 5 and device controller 6;
The order electrical connection successively of photovoltaic generation direct current component 1, DC power distribution cabinet 2, photovoltaic combining inverter 3 and transformer with split winding 5, auxiliary photovoltaic combining inverter 4 is electrically connected between DC power distribution cabinet 2, transformer with split winding 5;
Device controller 6 and photovoltaic generation direct current component 1, DC power distribution cabinet 2, photovoltaic combining inverter 3, auxiliary photovoltaic combining inverter 4, transformer with split winding 5 is connected by order wire;
Photovoltaic combining inverter 3 is centralized inverter, and auxiliary photovoltaic combining inverter 4 is group string inverter; Photovoltaic combining inverter power is large, uses centralized inverter, and auxiliary photovoltaic combining inverter power is little, use group string inverter, uses auxiliary photovoltaic combining inverter under low light condition.Device controller is according to the output power information of photovoltaic generation direct current component, DC power distribution cabinet, control operation and the stopping of photovoltaic combining inverter and auxiliary photovoltaic combining inverter, make photovoltaic generation the complete sets of equipment efficiency high, increase energy output, reduce the photovoltaic combining inverter operating time improve the life-span (the utility model not to device controller to the operation of photovoltaic combining inverter or auxiliary photovoltaic combining inverter or stop control belonging to existing mature technology).
Two winding inputs of transformer with split winding 4 respectively connect a photovoltaic combining inverter 3 and an auxiliary photovoltaic combining inverter 4; Two inputs of transformer with split winding respectively connect a photovoltaic combining inverter and an auxiliary photovoltaic combining inverter, transformer with split winding to be split into by one of them winding on circuit be not connected and on magnetic circuit, only have the transformer of loosely-coupled two windings, therefore access two input is needed, a photovoltaic combining inverter and auxiliary photovoltaic combining inverter 4 combining inverter, two inputs of transformer with split winding respectively connect one group of combining inverter, often organize combining inverter and connect a DC power distribution cabinet.
As shown in Figure 2, photovoltaic generation direct current component 1 comprises photovoltaic module bracing or strutting arrangement 101, photovoltaic module string 102, direct current conflux case 103;
Photovoltaic module string 102 comprises some photovoltaic modulies be connected in series, and photovoltaic module bracing or strutting arrangement 101 is for fixed light photovoltaic assembly, and photovoltaic module string 102 is by being connected with photovoltaic combining inverter 3 after parallel way access direct current conflux case 103.
Device controller 6 is connected by RS485 or radio communication or Ethernet or CAN network with between photovoltaic generation direct current component 1, DC power distribution cabinet 2, photovoltaic combining inverter 3, transformer with split winding 5.
Some photovoltaic generation direct current component 1 are by electric parallel way access DC power distribution cabinet 2.
Photovoltaic module bracing or strutting arrangement 101 is support or tracker, and tracker is single-axis tracker or tiltedly single-axis tracker or biaxial tracker.
A DC power distribution cabinet 2 connects some photovoltaic generation direct current component 1.
Photovoltaic generation direct current component 1, DC power distribution cabinet 2, photovoltaic combining inverter 3, auxiliary photovoltaic combining inverter 4, transformer with split winding 5 and device controller 6 are provided with wireless communication interface, serial communication interface, ethernet interface.
The above is only preferred implementation of the present utility model; be noted that for those skilled in the art; under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (6)
1. Optimization-type MW level photovoltaic generation the complete sets of equipment, it is characterized in that, comprise photovoltaic generation direct current component (1), DC power distribution cabinet (2), photovoltaic combining inverter (3), auxiliary photovoltaic combining inverter (4), transformer with split winding (5) and device controller (6);
The order electrical connection successively of described photovoltaic generation direct current component (1), DC power distribution cabinet (2), photovoltaic combining inverter (3) and transformer with split winding (5), described auxiliary photovoltaic combining inverter (4) electrical connection is between DC power distribution cabinet (2), transformer with split winding (5);
Described device controller (6) and photovoltaic generation direct current component (1), DC power distribution cabinet (2), photovoltaic combining inverter (3), auxiliary photovoltaic combining inverter (4), transformer with split winding (5) is connected by order wire;
Described photovoltaic combining inverter (3) is centralized inverter, and described auxiliary photovoltaic combining inverter (4) is group string inverter;
Two winding inputs of transformer with split winding (4) respectively connect a photovoltaic combining inverter (3) and an auxiliary photovoltaic combining inverter (4); Described photovoltaic generation direct current component (1) comprises photovoltaic module bracing or strutting arrangement (101), photovoltaic module string (102), direct current conflux case (103);
Described photovoltaic module string (102) comprises some photovoltaic modulies be connected in series, described photovoltaic module bracing or strutting arrangement (101) is for fixed light photovoltaic assembly, and photovoltaic module string (102) accesses direct current conflux case (103) by parallel way and is connected with photovoltaic combining inverter (3) afterwards.
2. Optimization-type MW level photovoltaic generation the complete sets of equipment according to claim 1, it is characterized in that, device controller (6) is connected by RS485 or radio communication or Ethernet or CAN network with between photovoltaic generation direct current component (1), DC power distribution cabinet (2), photovoltaic combining inverter (3), transformer with split winding (5).
3. Optimization-type MW level photovoltaic generation the complete sets of equipment according to claim 1, is characterized in that, some photovoltaic generation direct current component (1) are by electric parallel way access DC power distribution cabinet (2).
4. Optimization-type MW level photovoltaic generation the complete sets of equipment according to claim 1, it is characterized in that, photovoltaic module bracing or strutting arrangement (101) is support or tracker, and described tracker is single-axis tracker or tiltedly single-axis tracker or biaxial tracker.
5. Optimization-type MW level photovoltaic generation the complete sets of equipment according to claim 1, is characterized in that, a described DC power distribution cabinet (2) connects some photovoltaic generation direct current component (1).
6. Optimization-type MW level photovoltaic generation the complete sets of equipment according to claim 1, it is characterized in that, described photovoltaic generation direct current component (1), DC power distribution cabinet (2), photovoltaic combining inverter (3), auxiliary photovoltaic combining inverter (4), transformer with split winding (5) and device controller (6) are provided with wireless communication interface, serial communication interface, ethernet interface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420713354.6U CN204167915U (en) | 2014-11-25 | 2014-11-25 | Optimization-type MW level photovoltaic generation the complete sets of equipment |
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| CN201420713354.6U CN204167915U (en) | 2014-11-25 | 2014-11-25 | Optimization-type MW level photovoltaic generation the complete sets of equipment |
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| CN204167915U true CN204167915U (en) | 2015-02-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117318160A (en) * | 2023-11-29 | 2023-12-29 | 合肥零碳技术有限公司 | Photovoltaic inversion power supply control system, method and device and storage medium |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117318160A (en) * | 2023-11-29 | 2023-12-29 | 合肥零碳技术有限公司 | Photovoltaic inversion power supply control system, method and device and storage medium |
| CN117318160B (en) * | 2023-11-29 | 2024-04-09 | 合肥零碳技术有限公司 | Photovoltaic inversion power supply control system, method and device and storage medium |
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