CN203883737U - A rooftop photovoltaic power generation system complementary to a main workshop illumination system in a large-scale thermal power plant - Google Patents
A rooftop photovoltaic power generation system complementary to a main workshop illumination system in a large-scale thermal power plant Download PDFInfo
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- CN203883737U CN203883737U CN201420293637.XU CN201420293637U CN203883737U CN 203883737 U CN203883737 U CN 203883737U CN 201420293637 U CN201420293637 U CN 201420293637U CN 203883737 U CN203883737 U CN 203883737U
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- photovoltaic
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- distribution cabinet
- circuit breaker
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- 238000010248 power generation Methods 0.000 title claims abstract description 13
- 238000005286 illumination Methods 0.000 title abstract description 12
- 230000000295 complement effect Effects 0.000 title abstract 2
- 230000002265 prevention Effects 0.000 claims description 8
- 230000006855 networking Effects 0.000 claims description 2
- 230000000712 assembly Effects 0.000 abstract description 3
- 238000000429 assembly Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000003287 optical effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
-
- 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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- Supply And Distribution Of Alternating Current (AREA)
Abstract
The utility model discloses a rooftop photovoltaic power generation system complementary to a main workshop illumination system in a large-scale thermal power plant. A first bus is connected to a second bus through an automatic voltage adjusting device. The first bus is connected to a first photovoltaic inverter through a first framework circuit breaker. The first photovoltaic inverter is connected to a first direct current power distribution cabinet. The first bus is connected to a second photovoltaic inverter through a second framework circuit breaker. The second photovoltaic inverter is connected to a second direct current power distribution cabinet. The first direct current power distribution cabinet and the second direct current power distribution cabinet are both connected with several direct current lightning protection combiner boxes. Each direct current lightning protection combiner box is connected with several photovoltaic assemblies. The first bus is connected to the main workshop illumination system through a circuit breaker. According to the utility model, through introduction of the rooftop photovoltaic power generation system to the main workshop illumination system of the large-scale thermal power plant, an effect of saving illumination energy is realized.
Description
[technical field]
The utility model belongs to system wiring field, is specifically related to the supplementary roof photovoltaic power generation system of a kind of large-size thermal power plant main power house illuminator.
[background technology]
The mode that the main power house illuminator of large-size thermal power plant adopts illumination and power to separate power supply, every unit arranges respectively 1 low-voltage lighting transformer and corresponding one section of 380V illumination PC section, and 2 lighting transformers of two units are standby each other.Illumination PC inlet wire configuration voltages automatic classification compensation arrangement.Normal illumination network voltage is 380/220V, and main power house mains lighting supply is drawn and connect by the 380V illumination PC section of this unit.
In order to effectively utilize the solar energy resources of region, thermal power plant and the idle area on thermal power plant's building roof, at building roof, small-sized distributing grid-connected photovoltaic system is set, daytime, photovoltaic module square formation was accepted the irradiation of sunlight, by photovoltaic effect, light is converted into direct current, through inverter, inversion is that alternating current is sent into main power house illumination PC section to direct current, does not establish storage battery.Photovoltaic module has mounted angle to consider by fixed support, mounting means adopts the mounting means of the dull and stereotyped roofing of non-focusing, be erected on the available building roof in administration quarter Ji Linjian district, consider that each building can utilize roofing photovoltaic generate output smaller, therefore adopt series-parallel mode to form a plurality of photovoltaic module group strings some photovoltaic modulies, then all photovoltaic module group strings import a photovoltaic combining inverter access main power house illumination PC section.
[utility model content]
The purpose of this utility model is to provide a kind of large-size thermal power plant main power house illuminator supplementary roof photovoltaic power generation system, to solve the problems of the technologies described above.
To achieve these goals, the utility model adopts following technical scheme:
The roof photovoltaic power generation system that large-size thermal power plant main power house illuminator is supplementary, comprises the first bus, the second bus, the first frame circuit breaker, the second frame circuit breaker, the first photovoltaic DC-to-AC converter, the second photovoltaic DC-to-AC converter, the first DC power distribution cabinet and the second DC power distribution cabinet; Wherein, the first bus connects the second bus by automatic voltage adjusting device; The first bus connects the first photovoltaic DC-to-AC converter by the first frame circuit breaker, and the first photovoltaic DC-to-AC converter connects the first DC power distribution cabinet; The first bus connects the second photovoltaic DC-to-AC converter by the second frame circuit breaker, on the second photovoltaic DC-to-AC converter, connect the second DC power distribution cabinet, the first DC power distribution cabinet and the second DC distribution are all connected with some DC lightning prevention header boxs cashier's office in a shop, on each DC lightning prevention header box, are connected with some photovoltaic modulies; The first bus connects main power house illuminator by circuit breaker.
The utility model further improves and is: the first bus and the second bus are connected respectively the AC power of 0.38kV.
The utility model further improves and is: the first photovoltaic DC-to-AC converter and the second photovoltaic DC-to-AC converter are parallel networking type photovoltaic inverter, and the ac output end of photovoltaic DC-to-AC converter is provided with isolating transformer and alternating current filter.
The utility model further improves and is: the capacity of the first photovoltaic DC-to-AC converter is 100kW; The capacity of the second photovoltaic DC-to-AC converter is 250kW.
With respect to prior art, the utlity model has following beneficial effect:
1, adopt decentralized roof photovoltaic generation to supplement main power house mains lighting supply, can effectively utilize the solar energy resources of region, thermal power plant and the idle area on thermal power plant's building roof, save the power consumption of main power house illuminator;
2, the ac output end of photovoltaic DC-to-AC converter is provided with isolating transformer and alternating current filter, can improve out-put supply quality, meets the quality of power supply requirement of electric consumption on lighting;
3, the AC power collection bus of photovoltaic generation (the first bus) is merged into a bus with the power source bus of the automatic voltage adjusting device of main power house illuminator, has reduced whole illuminator investment.
[accompanying drawing explanation]
Fig. 1 is the utility model electrical principle wiring schematic diagram.
[embodiment]
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Refer to shown in Fig. 1, the supplementary roof photovoltaic power generation system of a kind of large-size thermal power plant main power house of the utility model illuminator, comprises the first bus A, the second bus B, the first frame circuit breaker 1, the second frame circuit breaker 2, the first photovoltaic DC-to-AC converter 3, the second photovoltaic DC-to-AC converter 4, the first DC power distribution cabinet 5 and the second DC power distribution cabinet 6.The first bus A and the second bus B are connected respectively the AC power of 0.38kV.
The first bus A connects the second bus B by automatic voltage adjusting device; The first bus A connects the first photovoltaic DC-to-AC converter 3, the first bus A by the first frame circuit breaker 1 and connects the second photovoltaic DC-to-AC converter 4 by the second frame circuit breaker 2.
The input of the first photovoltaic DC-to-AC converter 3 connects the output of DC power distribution cabinet 5; The first DC power distribution cabinet 5 connects 2 DC lightning prevention header boxs 7, and each DC lightning prevention header box 7 is connected respectively 20 connection in series-parallel altogether with the 10 optical crosstalk photovoltaic assemblies 8 on heavy construction roof, thermal power plant, and the series connection quantity of every optical crosstalk photovoltaic assembly 8 is 20 pole plates.
The input of the second photovoltaic DC-to-AC converter 4 connects the output of the second DC power distribution cabinet 6.The second DC power distribution cabinet 6 connects 5 DC lightning prevention header boxs 7, and each DC lightning prevention header box 7 amounts to 50 connection in series-parallel with 7～15 optical crosstalk photovoltaic assemblies 8 on heavy construction roof, thermal power plant respectively and is connected, and the series connection quantity of every optical crosstalk photovoltaic assembly 8 is 20 pole plates.
Using method of the present utility model is as follows:
1, main power house illuminator, in running status, is connected with the alternating current of 0.38kV in the first bus A and the second bus B; The frame circuit breaker of the photovoltaic DC-to-AC converter AC on the first bus A is in gate-dividing state;
2, close the frame circuit breaker of the photovoltaic DC-to-AC converter AC on the first bus, now in DC power distribution cabinet and direct current conflux case the fuse of DC loop in on-state;
3,, by the current transformer in the first frame circuit breaker 1 on the first bus and the second frame circuit breaker 2 loops and the intelligent measurement and control unit that bus-bar potential transformer connects, metering roof photovoltaic power generation system is transported to the electric flux of main power house illuminator.
4, in the utility model, the capacity of the first photovoltaic DC-to-AC converter 3 is 100kW; The capacity of the second photovoltaic DC-to-AC converter 4 is 250kW.The final ac output voltage of photovoltaic DC-to-AC converter is 0.38kV three-phase four-wire system alternating current.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model; can not assert that embodiment of the present utility model only limits to this; for the utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; can also make some simple deduction or replace, all should be considered as belonging to the utility model and determine scope of patent protection by submitted to claims.
Claims (4)
1. the supplementary roof photovoltaic power generation system of large-size thermal power plant main power house illuminator, is characterized in that: comprise the first bus (A), the second bus (B), the first frame circuit breaker (1), the second frame circuit breaker (2), the first photovoltaic DC-to-AC converter (3), the second photovoltaic DC-to-AC converter (4), the first DC power distribution cabinet (5) and the second DC power distribution cabinet (6); Wherein, the first bus (A) connects the second bus (B) by automatic voltage adjusting device; The first bus (A) connects the first photovoltaic DC-to-AC converter (3) by the first frame circuit breaker (1), and the first photovoltaic DC-to-AC converter (3) connects the first DC power distribution cabinet (5); The first bus (A) connects the second photovoltaic DC-to-AC converter (4) by the second frame circuit breaker (2), upper the second DC power distribution cabinet (6) that connects of the second photovoltaic DC-to-AC converter (4), on the first DC power distribution cabinet (5) and the second DC power distribution cabinet (6), be all connected with some DC lightning prevention header boxs (7), on each DC lightning prevention header box (7), be connected with some photovoltaic modulies (8); The first bus (A) connects main power house illuminator by circuit breaker (9).
2. the supplementary roof photovoltaic power generation system of large-size thermal power plant main power house illuminator according to claim 1, is characterized in that: the first bus (A) and the second bus (B) are connected respectively the AC power of 0.38kV.
3. the supplementary roof photovoltaic power generation system of large-size thermal power plant main power house illuminator according to claim 1, it is characterized in that: the first photovoltaic DC-to-AC converter (3) and the second photovoltaic DC-to-AC converter (4) are parallel networking type photovoltaic inverter, and the ac output end of photovoltaic DC-to-AC converter is provided with isolating transformer and alternating current filter.
4. according to the supplementary roof photovoltaic power generation system of large-size thermal power plant main power house illuminator described in claim 1 or 3, it is characterized in that: the capacity of the first photovoltaic DC-to-AC converter (3) is 100kW; The capacity of the second photovoltaic DC-to-AC converter (4) is 250kW.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420293637.XU CN203883737U (en) | 2014-06-04 | 2014-06-04 | A rooftop photovoltaic power generation system complementary to a main workshop illumination system in a large-scale thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420293637.XU CN203883737U (en) | 2014-06-04 | 2014-06-04 | A rooftop photovoltaic power generation system complementary to a main workshop illumination system in a large-scale thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203883737U true CN203883737U (en) | 2014-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420293637.XU Expired - Lifetime CN203883737U (en) | 2014-06-04 | 2014-06-04 | A rooftop photovoltaic power generation system complementary to a main workshop illumination system in a large-scale thermal power plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108695971A (en) * | 2018-06-26 | 2018-10-23 | 大唐环境产业集团股份有限公司 | A method of realizing main power house of power plant illumination |
-
2014
- 2014-06-04 CN CN201420293637.XU patent/CN203883737U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108695971A (en) * | 2018-06-26 | 2018-10-23 | 大唐环境产业集团股份有限公司 | A method of realizing main power house of power plant illumination |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE OF CHINA Free format text: FORMER NAME: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE, CHINA POWER ENGINEERING CONSULTING GROUP CORPORATION |
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| CP01 | Change in the name or title of a patent holder |
Address after: 710075 Xi'an province high tech Development Zone, unity South Road, No. 22, No. Patentee after: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Address before: 710075 Xi'an province high tech Development Zone, unity South Road, No. 22, No. Patentee before: NORTHWEST ELECTRIC POWER DESIGN INST. OF CHINA POWER ENGINEERING CONSULTING Group |
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| CX01 | Expiry of patent term |
Granted publication date: 20141015 |