CN101335482B - Cooling system of wind power generator frequency transformator and operational mode thereof - Google Patents
Cooling system of wind power generator frequency transformator and operational mode thereof Download PDFInfo
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- CN101335482B CN101335482B CN2007100426663A CN200710042666A CN101335482B CN 101335482 B CN101335482 B CN 101335482B CN 2007100426663 A CN2007100426663 A CN 2007100426663A CN 200710042666 A CN200710042666 A CN 200710042666A CN 101335482 B CN101335482 B CN 101335482B
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- temperature
- cooling system
- frequency converter
- wind power
- power generator
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- 238000001816 cooling Methods 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000002826 coolant Substances 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 8
- 230000003020 moisturizing effect Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 235000019013 Viburnum opulus Nutrition 0.000 claims description 3
- 244000071378 Viburnum opulus Species 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000010248 power generation Methods 0.000 abstract description 2
- 230000001502 supplementing effect Effects 0.000 abstract 1
- 241000196324 Embryophyta Species 0.000 description 6
- 238000005086 pumping Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012358 sourcing Methods 0.000 description 1
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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
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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- Motor Or Generator Cooling System (AREA)
Abstract
The invention relates to the field of wind power generation, in particular to a cooling system of a frequency inverter of a wind driven generator, wherein, a pressure gauge, a pressure sensor, a safety valve, a water supplementing nozzle, a catchment tank and a temperature measuring component of the cooling system of the frequency inverter of the wind driven generator are integrated in an auxiliary valve block; the temperature measuring component, a heater and a temperature control valve are integrated in a main control valve block; the frequency inverter, the main control valve block, a cooling circulation pump and the auxiliary valve block are connected in sequence by hoses to form a bypass; a cooler is connected between the frequency inverter and the temperature control valve to form a main circuit. The invention also provides a working pattern of the cooling system of the frequency inverter of the wind driven generator. As the technical solution is adopted, the space is saved, the cost is lowered, the part purchasing period is shortened and the working time for workshop installation is reduced, therefore, the cooling system of the frequency inverter can adapt to the operation in the low temperature environment.
Description
Technical field
The present invention relates to wind power generation field, particularly the cooling system of wind power generator frequency transformator.
Background technology
There is following problem in the former cooling system of present wind power generator frequency transformator: pumping plant arranges too and disperses that occupation space is many; Pumping plant adapter workload is big; Pumping plant part sourcing workload is big; Pumping plant cost height; The inapplicable low temperature environment of pumping plant, operating temperature range only are-20 ℃ to+40 ℃; The cooler fan electromotor is a single-speed motor, inapplicable low temperature environment, and operating temperature range only is-20 ℃ to+40 ℃.
Summary of the invention
The object of the present invention is to provide a kind of can overcome above-mentioned wind power generator frequency transformator cooling system shortcoming can be at the wind power generator frequency transformator cooling system of more wide temperature range work.
Another object of the present invention is to provide the working method of above-mentioned wind power generator frequency transformator cooling system.
Realize that the object of the invention technical scheme is: a kind of cooling system of wind power generator frequency transformator, comprise the frequency converter that connects by flexible pipe successively, cooler, the cooling major loop that temperature-sensing valve and coolant circulation pump form, also comprise the bypass that the temperature element that is connected between above-mentioned frequency converter and the above-mentioned temperature-sensing valve and heater constitute, also comprise respectively with above-mentioned frequency converter and above-mentioned coolant circulation pump between the Pressure gauge that links to each other of flexible pipe, pressure sensor, safety valve, the moisturizing interface, header tank, expansion tank and temperature element, wherein, above-mentioned Pressure gauge, pressure sensor, safety valve, the moisturizing interface, header tank and temperature element are integrated in the auxiliary valve piece, above-mentioned temperature element, heater and temperature-sensing valve are integrated in the main control valve piece, with flexible pipe with above-mentioned frequency converter, the main control valve piece, coolant circulation pump and auxiliary valve piece connect and compose bypass successively, and above-mentioned cooler is connected between above-mentioned frequency converter and the above-mentioned temperature-sensing valve and forms major loop.
Above-mentioned coolant circulation pump adopts the cryopump of the medium temperature that can bear-40 ℃ to+120 ℃ in the cooling system of above-mentioned wind power generator frequency transformator.Above-mentioned cooler fan adopts double-speed motor.Above-mentioned cooler fan electromotor increases the heating tape that dress makes it to adapt to low temperature environment.Above-mentioned auxiliary valve piece is installed in above the above-mentioned expansion tank.Above-mentioned expansion tank is fixed on the coolant circulation pump with support.
A kind of working method of cooling system of wind power generator frequency transformator comprises following mode:
Bypass circuit: when frequency converter outlet pipe coolant-temperature gage was lower than 20 ℃, temperature-sensing valve was not open-minded, and hot water directly arrives coolant circulation pump by the by-pass port of main control valve piece, and the circulating pump that is cooled is again sent frequency converter back to, finishes bypass circuit;
The major loop circulation: temperature-sensing valve is open-minded when frequency converter outlet pipe coolant-temperature gage is higher than 20 ℃, and again through the major loop mouth arrival coolant circulation pump of main control valve piece, the circulating pump that is cooled is sent frequency converter back to, finishes the major loop circulation after subcooler is cooled in hot water elder generation.
The working method of the cooling system of above-mentioned wind power generator frequency transformator, in the above-mentioned bypass circuit mode, when ambient temperature is lower than 10 ℃, temperature-sensing valve is not open-minded, ducted water arrives coolant circulation pump through the by-pass port by the main control valve piece after the heater heats, the circulating pump that is cooled is again sent frequency converter back to, finishes bypass circuit.
Owing to adopted above-mentioned technical solution, save the space, reduced cost, shortened parts procurement cycles, reduced the workshop installation work-hour, make the cooling system of frequency converter can adapt to the work of low temperature environment.
Description of drawings
Fig. 1 is the schematic diagram of the cooling system of wind power generator frequency transformator of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with drawings and embodiments:
With reference to figure 1, a kind of cooling system of wind power generator frequency transformator, comprise the frequency converter 1 that connects by flexible pipe successively, cooler 5, the cooling major loop that temperature-sensing valve 21 and coolant circulation pump 4 form, also comprise the bypass that first temperature element 23 that is connected between above-mentioned frequency converter 1 and the above-mentioned temperature-sensing valve 21 and heater 22 constitute, also comprise respectively with above-mentioned frequency converter 1 and above-mentioned coolant circulation pump 4 between the Pressure gauge 31 that links to each other of flexible pipe, pressure sensor 32, safety valve 33, moisturizing interface 34, header tank 35, the expansion tank 6 and second temperature element 36, wherein, above-mentioned Pressure gauge 31, pressure sensor 32, safety valve 33, moisturizing interface 34, the header tank 35 and second temperature element 36 are integrated in the auxiliary valve piece 3, above-mentioned first temperature element 23, heater 22 and temperature-sensing valve 21 are integrated in the main control valve piece 2, with flexible pipe with above-mentioned frequency converter 1, main control valve piece 2, coolant circulation pump 4 and auxiliary valve piece 3 connect and compose bypass successively, and above-mentioned cooler 5 is connected between above-mentioned frequency converter 1 and the above-mentioned temperature-sensing valve 21 and forms major loop.
Above-mentioned coolant circulation pump 4 adopts the cryopump of the medium temperature that can bear-40 ℃ to+120 ℃ in the cooling system of above-mentioned wind power generator frequency transformator, as adopting GRUNDFOS CR series cryopump.Above-mentioned cooler fan adopts double-speed motor, as the motor of 690V50Hz1.1KW980r/min and 690V50Hz1.8KW1450r/min, can look condition of different temperatures and take corresponding connected mode.Above-mentioned cooler fan electromotor increases dress makes it to adapt to the heating tape of low temperature environment, can be 20W as the power of this heating tape.Above-mentioned auxiliary valve piece 3 is installed in above the above-mentioned expansion tank 6.Above-mentioned expansion tank 6 usefulness supports are fixed on the coolant circulation pump 4.
A kind of working method of cooling system of wind power generator frequency transformator comprises following mode:
Bypass circuit: when frequency converter outlet pipe coolant-temperature gage was lower than 20 ℃, temperature-sensing valve was not open-minded, and hot water directly arrives coolant circulation pump by the by-pass port of main control valve piece, and the circulating pump that is cooled is again sent frequency converter back to, finishes bypass circuit;
The major loop circulation: temperature-sensing valve is open-minded when frequency converter outlet pipe coolant-temperature gage is higher than 20 ℃, and again through the major loop mouth arrival coolant circulation pump of main control valve piece, the circulating pump that is cooled is sent frequency converter back to, finishes the major loop circulation after subcooler is cooled in hot water elder generation.
The working method of the cooling system of above-mentioned wind power generator frequency transformator, in the above-mentioned bypass circuit mode, when ambient temperature is lower than 10 ℃, temperature-sensing valve is not open-minded, ducted water arrives coolant circulation pump through the by-pass port by the main control valve piece after the heater heats, the circulating pump that is cooled is again sent frequency converter back to, finishes bypass circuit.
Characteristics of the present invention are:
1) adopts the design of integral type pumping plant: heater, joint, temperature-sensing valve are integrated in the control valve.Adopt GRUNDFOS CR series cryopump, can bear-40 ℃ to+120 ℃ medium temperature.
2) the cooler fan adopts double-speed motor: 690V50Hz1.1KW980r/min and 690V50Hz1.8KW1450r/min can look condition of different temperatures and takes corresponding connected mode.
3) the cooler fan electromotor increases heating tape (20W) to adapt to low temperature environment.
Above embodiment is only for the usefulness that the present invention is described, but not limitation of the present invention, person skilled in the relevant technique, under the situation that does not break away from the spirit and scope of the present invention, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present invention, should be limited by each claim.
Claims (7)
1. the cooling system of a wind power generator frequency transformator, comprise the frequency converter that connects by flexible pipe successively, cooler, the cooling major loop that temperature-sensing valve and coolant circulation pump form, also comprise the bypass that first temperature element that is connected between described frequency converter and the described temperature-sensing valve and heater constitute, also comprise respectively with described frequency converter and described coolant circulation pump between the Pressure gauge that links to each other of flexible pipe, pressure sensor, safety valve, the moisturizing interface, header tank, the expansion tank and second temperature element, it is characterized in that, described Pressure gauge, pressure sensor, safety valve, the moisturizing interface, the header tank and second temperature element are integrated in the auxiliary valve piece, described first temperature element, heater and temperature-sensing valve are integrated in the main control valve piece, with flexible pipe with described frequency converter, the main control valve piece, coolant circulation pump and auxiliary valve piece connect and compose bypass successively, and described cooler is connected between described frequency converter and the described temperature-sensing valve and forms major loop.
2. the cooling system of wind power generator frequency transformator according to claim 1 is characterized in that, described coolant circulation pump adopts the cryopump of the medium temperature that can bear-40 ℃ to+120 ℃.
3. the cooling system of wind power generator frequency transformator according to claim 1 is characterized in that, described cooler fan adopts double-speed motor.
4. the cooling system of wind power generator frequency transformator according to claim 1 is characterized in that, described cooler fan electromotor increases the heating tape that dress makes it to adapt to low temperature environment.
5. the cooling system of wind power generator frequency transformator according to claim 1 is characterized in that, described auxiliary valve piece is installed in above the described expansion tank.
6. the cooling system of wind power generator frequency transformator according to claim 1 is characterized in that, described expansion tank is fixed on the coolant circulation pump with support.
7. the working method of the cooling system of a wind power generator frequency transformator is characterized in that, comprises following mode:
Bypass circuit: when ambient temperature was lower than 10 ℃, temperature-sensing valve was not open-minded, and ducted water arrives coolant circulation pump through the by-pass port by the main control valve piece after the heater heats, and the circulating pump that is cooled is again sent frequency converter back to, finishes bypass circuit; When frequency converter outlet pipe water temperature was lower than 20 ℃, temperature-sensing valve was not open-minded, and hot water directly arrives coolant circulation pump by the by-pass port of main control valve piece, and the circulating pump that is cooled is again sent frequency converter back to, finishes bypass circuit;
The major loop circulation: temperature-sensing valve is open-minded when frequency converter outlet pipe coolant-temperature gage is higher than 20 ℃, and again through the major loop mouth arrival coolant circulation pump of main control valve piece, the circulating pump that is cooled is sent frequency converter back to, finishes the major loop circulation after subcooler is cooled in hot water elder generation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100426663A CN101335482B (en) | 2007-06-26 | 2007-06-26 | Cooling system of wind power generator frequency transformator and operational mode thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100426663A CN101335482B (en) | 2007-06-26 | 2007-06-26 | Cooling system of wind power generator frequency transformator and operational mode thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101335482A CN101335482A (en) | 2008-12-31 |
| CN101335482B true CN101335482B (en) | 2011-12-28 |
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| CN2007100426663A Expired - Fee Related CN101335482B (en) | 2007-06-26 | 2007-06-26 | Cooling system of wind power generator frequency transformator and operational mode thereof |
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| CN (1) | CN101335482B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101982716B (en) * | 2010-11-03 | 2012-08-08 | 上海致远绿色能源有限公司 | Wind generating compressor refrigerating and heating system |
| CN102967100A (en) * | 2012-11-26 | 2013-03-13 | 无锡马山永红换热器有限公司 | Wind turbine generator system-cooling system |
| CN103079384B (en) * | 2012-12-14 | 2015-03-25 | 上海冠带通风节能设备有限公司 | Wind power generation self-starting silicon stack cooling system |
| CN104638880B (en) * | 2013-11-08 | 2019-09-20 | 珠海格力电器股份有限公司 | Converter cooling system and air conditioning unit with same |
| CN104578817B (en) * | 2014-12-30 | 2017-06-16 | 徐州中矿大传动与自动化有限公司 | A kind of special compound cooling system of AC and DC hybrid transmission system |
| CN105864412A (en) * | 2016-06-16 | 2016-08-17 | 南京讯联智能科技有限公司 | Novel wind turbine gearbox lubricating and cooling system |
| CN107044391B (en) * | 2017-06-15 | 2023-08-04 | 国电联合动力技术有限公司 | Cooling system of wind turbine generator |
| WO2020244196A1 (en) * | 2019-06-03 | 2020-12-10 | 广州高澜节能技术股份有限公司 | Integrated valve block cooling pump set |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1834454A (en) * | 2006-04-19 | 2006-09-20 | 南京航空航天大学 | Wind generator adopting vapor-cycle cooling |
| EP1707752A1 (en) * | 2004-12-23 | 2006-10-04 | Nuovo Pignone S.P.A. | Turbogenerator |
| CN1963193A (en) * | 2006-11-10 | 2007-05-16 | 南京航空航天大学 | Centralized cooling type wind driven generator system |
| CN201063525Y (en) * | 2007-06-26 | 2008-05-21 | 上海电气风电设备有限公司 | Cooling system of wind power generator frequency converter |
-
2007
- 2007-06-26 CN CN2007100426663A patent/CN101335482B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1707752A1 (en) * | 2004-12-23 | 2006-10-04 | Nuovo Pignone S.P.A. | Turbogenerator |
| CN1834454A (en) * | 2006-04-19 | 2006-09-20 | 南京航空航天大学 | Wind generator adopting vapor-cycle cooling |
| CN1963193A (en) * | 2006-11-10 | 2007-05-16 | 南京航空航天大学 | Centralized cooling type wind driven generator system |
| CN201063525Y (en) * | 2007-06-26 | 2008-05-21 | 上海电气风电设备有限公司 | Cooling system of wind power generator frequency converter |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2007-74894A 2007.03.22 |
| JP特开平7-240589A 1995.09.12 |
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| CN101335482A (en) | 2008-12-31 |
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| C14 | Grant of patent or utility model | ||
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Owner name: SIEMENS WIND POWER EQUIPMENT (SHANGHAI) CO., LTD. Free format text: FORMER OWNER: SHANGHAI SEWIND CO., LTD. Effective date: 20130411 |
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Free format text: CORRECT: ADDRESS; FROM: 200241 MINHANG, SHANGHAI TO: 201306 PUDONG NEW AREA, SHANGHAI |
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Effective date of registration: 20130411 Address after: 201306 room D608, No. 168 Tonghui Road, Shanghai, Pudong New Area Patentee after: SIEMENS WIND POWER EQUIPMENT (SHANGHAI) CO.,LTD. Address before: 200241 No. 555, Dongchuan Road, Shanghai, Minhang District Patentee before: Shanghai Electric Wind Power Group Co.,Ltd |
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Address after: 201306 room D608, No. 168 Tonghui Road, Shanghai, Pudong New Area Patentee after: Shanghai Electric Wind Power Equipment Co.,Ltd. Address before: 201306 room D608, No. 168 Tonghui Road, Shanghai, Pudong New Area Patentee before: SIEMENS WIND POWER EQUIPMENT (SHANGHAI) CO.,LTD. |
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Effective date of registration: 20161124 Address after: 200241 Dongchuan Road, Minhang District, building No. 4, building 555, building 4 Patentee after: SHANGHAI ELECTRIC WIND POWER GROUP Co.,Ltd. Address before: 201306 room D608, No. 168 Tonghui Road, Shanghai, Pudong New Area Patentee before: Shanghai Electric Wind Power Equipment Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
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Address after: 200241 Dongchuan Road, Shanghai, No. 555, building No. 8, floor, floor, No. Patentee after: Shanghai Electric Wind Power Group Co.,Ltd. Address before: 200241, building 4, building 555, No. 4, Dongchuan Road, Shanghai, Minhang District Patentee before: SHANGHAI ELECTRIC WIND POWER GROUP Co.,Ltd. |
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| 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: 20111228 |