CN102437716A - Low-temperature type water cooling device for converter of wind generating set and control system of water cooling device - Google Patents
Low-temperature type water cooling device for converter of wind generating set and control system of water cooling device Download PDFInfo
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- CN102437716A CN102437716A CN2011104492213A CN201110449221A CN102437716A CN 102437716 A CN102437716 A CN 102437716A CN 2011104492213 A CN2011104492213 A CN 2011104492213A CN 201110449221 A CN201110449221 A CN 201110449221A CN 102437716 A CN102437716 A CN 102437716A
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- water cooling
- circulation pump
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- low temperature
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Abstract
The invention discloses a low-temperature type water cooling device for a converter of a wind generating set, comprising a main circulation pump, an electric three-way valve, an air heat radiator, a main filter, a converter and a degassing pot, which are serially connected to form a loop, wherein a cabinet body is formed by combining the main circulation pump, the electric three-way valve, the main filter and the degassing pot; and the cabinet body is internally provided with a heater. The invention further discloses a control system of the water cooling device; the control system can control the main circulation pump, the electric three-way valve and the air heat radiator and further can control the heater in the cabinet; when the main circulation pump is stopped and a valve inletting temperature is lower than a lower pre-set temperature, the heater in the cabinet is started; when the main circulation pump is operated or the valve inletting temperature is higher than a higher pre-set temperature, the heater in the cabinet is stopped; and the water cooling device provided by the invention can be applied to the fields with the environmental temperature of minus 40 DEG C.
Description
Technical field
The present invention relates to a kind of water cooling plant of wind turbine generator current transformer, particularly a kind of low temperature wind-driven generator group current transformer water cooling plant also relates to the control system of water cooling plant.
Background technology
Wind power generation is adopted in countries in the world as a kind of generation technology of environment-protecting clean now widely.General electricity generation system includes electricity generation module and refrigerating module, and electricity generation module is responsible for generating, and refrigerating module cools off heat generating component.So; Wind generator system comprises the wind turbine generator and the pure water circulatory system; Thereby wind turbine generator wherein is to rely on the generating of wind blows air vane rotary electrification machine rotor; The pure water circulatory system then is the mode that is employed in logical recirculated water in the passage, and the parts of each heating of wind turbine generator are carried out the heat conduction cooling.For example, use this heat conduction and heat radiation method exactly to the heat generating components of this key of current transformer of wind turbine generator.The temperature of current transformer need be stabilized in certain rated temperature according to the variation of load, too high or too low for temperaturely all will influence work.Normal temperature type wind power generation cooling system can satisfy the cooling requirement of generating set operation heat radiation under the Normal Environmental Temperature.But when equipment was in the application scenario of ambient temperature extremely low (40 ℃), the normal temperature type cooling system existed when generating set and cooling system are all stopped transport equipment component to suffer extremely to tremble with fear low temperature effect and damages and potential faults that coolant leaks outside.So, press for a kind of low form current transformer cooling system of exploitation, optimize existing normal temperature type cooling system structure design, select low temperature resistant equipment component for use, be equipped with electric auxiliary protection, avoid above-mentioned extreme failure condition to take place.
Summary of the invention
First purpose of the present invention is to overcome the shortcoming of above-mentioned prior art, and a kind of low temperature wind-driven generator group current transformer water cooling plant is provided, and second purpose of the present invention provides the control system of said water cooling plant.
First purpose of the present invention realizes through following technical scheme:
Low temperature wind-driven generator group current transformer water cooling plant; Comprise the main circulation pump, electric T-shaped valve, air radiator, main filter, current transformer and the degassing tank that are connected into the loop; Said main circulation pump, electric T-shaped valve, main filter and degassing tank set and a cabinet, said cabinet is built-in with heater.In the winter time ambient temperature lower, when water-cooling system is shut down for a long time, damage ambient temperature in the heater regulator cubicle capable of using for avoiding equipment distributing pipe line outer wall low temperature condensation and equipment component low temperature.When main circulation pump does not move and supply water temperature when being lower than 0 ℃, start the cabinet internal heater; When water pump operation or supply water temperature were higher than 5 ℃, the cabinet internal heater stopped.
In order better to realize the present invention also comprising the stainless steel expansion drum in the said cabinet, the stainless steel expansion drum is connected with degassing tank as voltage regulation unit, and on the stainless steel expansion drum, liquid-level switch and exhaust solenoid valve is installed.During operate as normal, the tank body bottom is that coolant, top are air, comes regulating system pressure through the volume change of air and coolant.
In order better to realize the present invention, the air inlet side of said stainless steel expansion drum is equipped with air filter, can prevent in the atmosphere that impurity such as dust gets into system, keeps the clean of system media.
In order better to realize the present invention; Said main circulation pump is the high speed centrifugation vane pump; The pump housing uses mechanical seal, is included in to use anti-low-temperature lubrication grease layer on the motor bearings and on shaft joint, use the low temperature seal pad, and it is stainless steel that the pump housing connects alburnum matter; Can under the ambient temperature of-40 degree, normally move, main circulation pump is furnished with the motor heating tape.
In order better to realize the present invention, said radiator is furnished with the motor heating tape.
In order better to realize the present invention, said degassing tank is furnished with the electric heater that power is not less than 5KW.
In order better to realize the present invention, said water cooling plant also comprises ball valve, and ball valve is connected in the loop, and ball valve adopts the synthetic low temperature material sealing of polytetrafluoroethylene.
Second purpose of the present invention realizes through following technical scheme:
The control system of above-mentioned low temperature wind-driven generator group current transformer water cooling plant; Said control system comprises the control of main circulation pump, electric T-shaped valve and air radiator blower fan; Also comprise the control of cabinet internal heater; Main circulation pump is stopped transport and when advancing the valve temperature less than low design temperature, the cabinet internal heater starts; Main circulation pump moves or advances the valve temperature greater than higher set temperature, and the cabinet internal heater stops.
In order better to realize the present invention, said control system also comprises the control of main circulation pump motor heating tape, and during the main circulation pump operation, the motor heating tape stops, and when main circulation pump was stopped transport, the motor heating tape started;
Said control system also comprises the control of air radiator motor heating tape, and during the motor operation, the motor heating tape stops, and when motor was stopped transport, the motor heating tape started;
In order better to realize the present invention, said control system also comprises the control of liquid-level switch and exhaust solenoid valve, and when the action of expansion drum liquid-level switch was broken off, exhaust solenoid valve was carried out and closed action, forbade opening;
Said control system also comprises the control of electric heater on the degassing tank.
The present invention compared with prior art has following advantage and beneficial effect:
The invention provides a kind of low temperature wind-driven generator group current transformer water cooling plant and control system thereof, applications that can extremely low in ambient temperature (40 ℃).
Description of drawings
Fig. 1 is the said low temperature wind-driven generator group of a specific embodiment of the invention current transformer water cooling plant schematic diagram.
Embodiment
Below in conjunction with accompanying drawing an embodiment of the invention are described in further detail, but execution mode of the present invention is not limited thereto.
Low temperature wind-driven generator group current transformer water cooling plant; Comprise the main circulation pump 1, electric T-shaped valve 2, air radiator 3, main filter 4, current transformer 5 and the degassing tank 6 that are connected into the loop; Said main circulation pump 1, electric T-shaped valve 2, main filter 3 and degassing tank 6 set and cabinets 7, said cabinet 7 is built-in with heater 8.In the winter time ambient temperature lower, when water-cooling system is shut down for a long time, cause starting current excessive for avoiding the long-term low-temp storage of element, ambient temperature in the heater regulator cubicle capable of using.When main circulation pump does not move and supply water temperature when being lower than 0 ℃, start the cabinet internal heater; When water pump operation or supply water temperature were higher than 5 ℃, the cabinet internal heater stopped.
In order better to realize the present invention also comprising stainless steel expansion drum 9 in the said cabinet, stainless steel expansion drum 9 is connected with degassing tank 6 as voltage regulation unit, and liquid-level switch 10 and exhaust solenoid valve 11 are installed on stainless steel expansion drum 9.During operate as normal, the tank body bottom is that coolant, top are air, comes regulating system pressure through the volume change of air and coolant.
In order better to realize the present invention, the air inlet side of said stainless steel expansion drum 9 is equipped with air filter 12, can prevent in the atmosphere that impurity such as dust gets into system, keeps the clean of system media.
In order better to realize the present invention; Said main circulation pump 1 is the high speed centrifugation vane pump; The pump housing uses mechanical seal, is included in to use anti-low-temperature lubrication grease layer on the motor bearings and on shaft joint, use the low temperature seal pad, and it is stainless steel that the pump housing connects alburnum matter; Can under the ambient temperature of-40 degree, normally move, main circulation pump is furnished with the motor heating tape.
In order better to realize the present invention, said radiator is furnished with the motor heating tape.
In order better to realize the present invention, said degassing tank 6 is furnished with the electric heater 13 that power is not less than 5KW.
In order better to realize the present invention, said water cooling plant also comprises ball valve 14, and ball valve 14 is connected in the loop, and ball valve 14 adopts the synthetic low temperature material sealing of polytetrafluoroethylene.
The control system of above-mentioned low temperature wind-driven generator group current transformer water cooling plant; Said control system comprises the control of main circulation pump 1, electric T-shaped valve 2 and air radiator 3 blower fans; Also comprise the control of cabinet internal heater 8; Main circulation pump 1 is stopped transport and when advancing the valve temperature less than low design temperature, cabinet internal heater 8 starts; Main circulation pump 1 moves or advances the valve temperature greater than higher set temperature, and cabinet internal heater 8 stops;
Said control system also comprises the control of main circulation pump 1 motor heating tape, and during the main circulation pump operation, the motor heating tape stops, and when main circulation pump was stopped transport, the motor heating tape started;
Said control system also comprises the control of air radiator 3 motor heating tapes, and during the motor operation, the motor heating tape stops, and when motor was stopped transport, the motor heating tape started;
Said control system also comprises liquid-level switch 10 and exhaust solenoid valve 11 controls, and when 10 actions of expansion drum liquid-level switch were broken off, exhaust solenoid valve 11 was carried out and closed action, forbids opening.
The foregoing description is a preferred implementation of the present invention; But execution mode of the present invention is not restricted to the described embodiments; Other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; All should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. low temperature wind-driven generator group current transformer water cooling plant; It is characterized in that: comprise the main circulation pump, electric T-shaped valve, air radiator, main filter, current transformer and the degassing tank that are connected into the loop; Said main circulation pump, electric T-shaped valve, main filter and degassing tank set and a cabinet, said cabinet is built-in with heater.
2. according to the said low temperature wind-driven generator group of claim 1 current transformer water cooling plant; It is characterized in that: also comprise the stainless steel expansion drum in the said cabinet; The stainless steel expansion drum is connected with degassing tank, and on the stainless steel expansion drum, liquid-level switch and exhaust solenoid valve is installed.
3. according to the said low temperature wind-driven generator group of claim 2 current transformer water cooling plant, it is characterized in that: the air inlet side of said stainless steel expansion drum is equipped with air filter.
4. according to the said low temperature wind-driven generator group of claim 1 current transformer water cooling plant; It is characterized in that: said main circulation pump is the high speed centrifugation vane pump; The pump housing uses mechanical seal; Be included in and use anti-low-temperature lubrication grease layer on the motor bearings and on shaft joint, use the low temperature seal pad, it is stainless steel that the pump housing connects alburnum matter, and said main circulation pump is furnished with the motor heating tape.
5. according to the said low temperature wind-driven generator group of claim 1 current transformer water cooling plant, it is characterized in that: said radiator is furnished with the motor heating tape.
6. according to the said low temperature wind-driven generator group of claim 1 current transformer water cooling plant, it is characterized in that: said degassing tank is furnished with the electric heater that power is not less than 5KW.
7. according to the said low temperature wind-driven generator group of claim 1 current transformer water cooling plant, it is characterized in that: said water cooling plant also comprises ball valve, and ball valve is connected in the loop, and ball valve adopts the synthetic low temperature material sealing of polytetrafluoroethylene.
8. the control system of the described low temperature wind-driven generator group of claim 1 current transformer water cooling plant; It is characterized in that: said control system comprises the control of main circulation pump, electric T-shaped valve and air radiator blower fan; Also comprise the control of cabinet internal heater; Main circulation pump is stopped transport and when advancing the valve temperature less than low design temperature, the cabinet internal heater starts; Main circulation pump moves or advances the valve temperature greater than higher set temperature, and the cabinet internal heater stops.
9. the control system of low temperature wind-driven generator group current transformer water cooling plant according to claim 8; It is characterized in that: said control system also comprises the control of main circulation pump motor heating tape; During the main circulation pump operation; The motor heating tape stops, and when main circulation pump was stopped transport, the motor heating tape started;
Said control system also comprises the control of air radiator motor heating tape, and during the motor operation, the motor heating tape stops, and when motor was stopped transport, the motor heating tape started.
10. the control system of low temperature wind-driven generator group current transformer water cooling plant according to claim 8; It is characterized in that: said control system also comprises the control of liquid-level switch and exhaust solenoid valve; When the action of expansion drum liquid-level switch is broken off; Exhaust solenoid valve is carried out and is closed action, forbids opening; Said control system also comprises the control of electric heater on the degassing tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104492213A CN102437716A (en) | 2011-12-27 | 2011-12-27 | Low-temperature type water cooling device for converter of wind generating set and control system of water cooling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104492213A CN102437716A (en) | 2011-12-27 | 2011-12-27 | Low-temperature type water cooling device for converter of wind generating set and control system of water cooling device |
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| CN102437716A true CN102437716A (en) | 2012-05-02 |
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| CN2011104492213A Pending CN102437716A (en) | 2011-12-27 | 2011-12-27 | Low-temperature type water cooling device for converter of wind generating set and control system of water cooling device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280998A (en) * | 2013-05-30 | 2013-09-04 | 冶金自动化研究设计院 | Water-cooling heat dissipation system of photovoltaic inverter |
| CN104377884A (en) * | 2014-11-06 | 2015-02-25 | 广州高澜节能技术股份有限公司 | Combined type water cooling system for motor and frequency converter |
| CN105221361A (en) * | 2015-10-30 | 2016-01-06 | 比赫电气（太仓）有限公司 | A kind of wind power plant constituent |
| CN105241148A (en) * | 2015-11-04 | 2016-01-13 | 比赫电气（太仓）有限公司 | Efficient environment-friendly explosion-proof low-pressure water cooling system |
| CN105318626A (en) * | 2015-11-04 | 2016-02-10 | 桑小飞 | Converter testing water-cooling system |
| CN107017786A (en) * | 2017-04-14 | 2017-08-04 | 广州高澜节能技术股份有限公司 | High-power photovoltaic inverter liquid cooling is equipped |
| WO2021042630A1 (en) * | 2019-09-03 | 2021-03-11 | 广州高澜节能技术股份有限公司 | Water-based cooling device used for wind power converter and provided with deionization apparatus |
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| CN201352745Y (en) * | 2009-02-09 | 2009-11-25 | 广州市高澜水技术有限公司 | Closed circulating water cooling device applied to wind power generation |
| CN102005861A (en) * | 2010-11-25 | 2011-04-06 | 广州高澜节能技术有限公司 | Circulating cooling device for wind power double-fed power generator |
| CN201905001U (en) * | 2010-11-25 | 2011-07-20 | 广州高澜节能技术有限公司 | Circulation water cooling system with air stripping device |
| CN202424483U (en) * | 2011-12-27 | 2012-09-05 | 广州高澜节能技术股份有限公司 | Low-temperature type water cooling device for wind generator set current transformer |
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2011
- 2011-12-27 CN CN2011104492213A patent/CN102437716A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201352745Y (en) * | 2009-02-09 | 2009-11-25 | 广州市高澜水技术有限公司 | Closed circulating water cooling device applied to wind power generation |
| CN102005861A (en) * | 2010-11-25 | 2011-04-06 | 广州高澜节能技术有限公司 | Circulating cooling device for wind power double-fed power generator |
| CN201905001U (en) * | 2010-11-25 | 2011-07-20 | 广州高澜节能技术有限公司 | Circulation water cooling system with air stripping device |
| CN202424483U (en) * | 2011-12-27 | 2012-09-05 | 广州高澜节能技术股份有限公司 | Low-temperature type water cooling device for wind generator set current transformer |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280998A (en) * | 2013-05-30 | 2013-09-04 | 冶金自动化研究设计院 | Water-cooling heat dissipation system of photovoltaic inverter |
| CN104377884A (en) * | 2014-11-06 | 2015-02-25 | 广州高澜节能技术股份有限公司 | Combined type water cooling system for motor and frequency converter |
| CN105221361A (en) * | 2015-10-30 | 2016-01-06 | 比赫电气（太仓）有限公司 | A kind of wind power plant constituent |
| CN105241148A (en) * | 2015-11-04 | 2016-01-13 | 比赫电气（太仓）有限公司 | Efficient environment-friendly explosion-proof low-pressure water cooling system |
| CN105318626A (en) * | 2015-11-04 | 2016-02-10 | 桑小飞 | Converter testing water-cooling system |
| CN105318626B (en) * | 2015-11-04 | 2017-11-28 | 桑小飞 | Current transformer tests water-cooling system |
| CN107017786A (en) * | 2017-04-14 | 2017-08-04 | 广州高澜节能技术股份有限公司 | High-power photovoltaic inverter liquid cooling is equipped |
| WO2021042630A1 (en) * | 2019-09-03 | 2021-03-11 | 广州高澜节能技术股份有限公司 | Water-based cooling device used for wind power converter and provided with deionization apparatus |
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Application publication date: 20120502 |