CN109688763A - A kind of high-power wind-driven generator group current transformer temperature control system - Google Patents
A kind of high-power wind-driven generator group current transformer temperature control system Download PDFInfo
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- CN109688763A CN109688763A CN201811553128.5A CN201811553128A CN109688763A CN 109688763 A CN109688763 A CN 109688763A CN 201811553128 A CN201811553128 A CN 201811553128A CN 109688763 A CN109688763 A CN 109688763A
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- 238000009423 ventilation Methods 0.000 claims description 15
- 239000000523 sample Substances 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 7
- 230000017525 heat dissipation Effects 0.000 abstract description 7
- 230000002776 aggregation Effects 0.000 abstract 1
- 238000004220 aggregation Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 9
- 235000017491 Bambusa tulda Nutrition 0.000 description 9
- 241001330002 Bambuseae Species 0.000 description 9
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 9
- 239000011425 bamboo Substances 0.000 description 9
- 238000009825 accumulation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20209—Thermal management, e.g. fan control
-
- 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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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a kind of temperature control systems of high-power wind-driven generator group current transformer, it include: one or more collection wind modules and the heat collecting module outside current transformer in tower, one or more of collection wind modules connect one end of air pipeline via heat collecting module；Pressure control module outside tower connects the other end of the air pipeline；When pressure control module works, based on pressure balance principle, outside air enters inside tower via the air-inlet window on tower door, and is inhaled into inside current transformer, current transformer inner air enters the temperature control system from collection wind module, is discharged via pressure control module.The case where present invention radiates to current transformer by the way of inner air and outer air exchange, realizes the control of current transformer temperature, and the heat aggregation after electrical component heat dissipation is effectively reduced, no entirety or hot-spot, guarantees the normal operation of electrical component.
Description
Technical Field
The disclosure belongs to the technical field of wind power generation, and particularly relates to a temperature control system of a converter of a high-power wind generating set.
Background
Along with the construction of various large wind fields in China, the temperature control problem of the unit becomes increasingly prominent. High-power fan converter installs universally in tower section of thick bamboo bottom, adopts hydraulic pressure water cooling mode, and this kind of mode cooling effect is better, but, owing to adopt equipment such as hydraulic pump, high-pressure line, cooler, sealed requirement is very high, and profit can cause corrosion and pollution to self system and fan subassembly when leaking, also can cause the pollution to the environment simultaneously to hydraulic pressure water cooling system installation is fairly complicated with the maintenance, and purchase, maintenance cost expense are high.
If the converter adopts from the heat dissipation cooling method, the heat that high-power converter produced gives off inside a tower section of thick bamboo, carry out the heat exchange with the inside air of a tower section of thick bamboo, in order to reach the radiating effect, but in high temperature environment, under the condition of full power load for a long time very much, the radiating effect is slow, lead to the internal portion ambient temperature of the converter cabinet too high easily, there is the condition that the heat was inhaled the converter again simultaneously, lead to reducing the life-span and the reliability of the internal electrical components of cabinet, also make the temperature protection relay protect the action, make whole generating set shut down thereupon. Because such faults often occur in the working condition with larger generated power, the shutdown will cause larger generated energy loss, and economic loss is caused to owners.
Therefore, under the background of accurately controlling the temperature of the converter and ensuring the cooling effect to ensure the running temperature environment requirement of the unit, the temperature control system which has good temperature control effect, low manufacturing cost and easy installation and maintenance is adopted, and the problem which needs to be solved urgently is solved.
Disclosure of Invention
For overcoming above-mentioned prior art's not enough, the present disclosure provides a high-power wind generating set converter temperature control system, this system is under the relatively inclosed prerequisite in tower section of thick bamboo space, adopt pressure control equipment, make the interior low pressure environment that produces of tower section of thick bamboo, force the converter to absorb outside air and cool off, through reasonable exhaust pipe way and heat concentrator, realize the converter, the inside temperature control of tower section of thick bamboo, effectively solve the converter and ventilate inadequately, the heat dissipation is concentrated, the heat inhales the circumstances such as again, avoid the problem that temperature protection relay work leads to shutting down, effectively guarantee the converter and allow the temperature environment, guarantee fan unit normal operating.
In order to achieve the above object, one or more embodiments of the present disclosure provide the following technical solutions:
a temperature control system of a converter of a high-power wind generating set comprises:
the wind collecting module or modules are arranged outside the converter in the tower barrel and connected with one end of the ventilation pipeline through the heat collecting module;
the pressure control module is arranged outside the tower cylinder and is connected with the other end of the ventilation pipeline;
when the pressure control module works, based on the pressure balance principle, outside air enters the tower drum through an air inlet window on a tower drum door and is sucked into the converter, and air inside the converter enters the temperature control system from the air collecting module and is discharged through the pressure control module.
Further, sealing elements are arranged at the joints of all parts of the temperature control system.
Furthermore, the air collecting module comprises a centrifugal fan and an air collecting pipeline, and when the pressure control module works, air in the converter is sucked to the air collecting pipeline through the centrifugal fan.
Further, the pressure control module comprises a centrifugal fan, and when the pressure control module works, air in the pipeline is discharged through the centrifugal fan.
One or more embodiments provide a temperature control system of a converter of a high-power wind generating set, which comprises a controller, a temperature probe for detecting the internal environment temperature of the converter and a temperature control subsystem; wherein,
the temperature control subsystem includes: the one or more wind collecting modules are arranged in the converter and are connected with one end of the ventilation pipeline through the heat collecting modules; the pressure control module is arranged outside the tower cylinder and is connected with the other end of the ventilation pipeline;
the controller is connected with the temperature probe and the pressure control module;
the controller receives temperature data transmitted by the temperature probe, when the temperature exceeds a preset value, the pressure control module is controlled to be started, external air enters the converter through an air inlet window in a tower door based on a pressure balance principle, and air in the converter enters the temperature control system from the air collecting module and is discharged through the pressure control module.
Furthermore, when different air inlet amounts and temperature changes of the converter are simulated through finite element simulation software, when the temperature in the tower barrel exceeds a preset value, cooling circulation in the converter is carried out, and the optimum air volume is obtained so as to control the air suction intensity of the pressure control system.
Further, sealing elements are arranged at the joints of all parts of the temperature control subsystem.
Furthermore, the air collecting module comprises a centrifugal fan and an air collecting pipeline, and when the pressure control module works, air in the converter is sucked to the air collecting pipeline through the centrifugal fan.
Further, the pressure control module comprises a centrifugal fan, and when the pressure control module works, air in the pipeline is discharged through the centrifugal fan.
The above one or more technical solutions have the following beneficial effects:
the temperature control system disclosed by the invention adopts an internal and external air exchange mode to dissipate heat of the converter, adopts the pressure control equipment to enable the converter to input dry and cold air, realizes temperature control of the converter through reasonable arrangement and pipeline connection, effectively reduces heat accumulation after heat dissipation of the electrical elements, has no integral or local overheating condition, and ensures normal operation of the electrical elements.
According to the method and the device, the data of the temperature probe in the converter are combined, the automatic control of the environment temperature in the converter is realized, the environment temperature in the converter is ensured within a reasonable range, the service life of an electric element is prolonged, and the safe and normal operation of the whole unit is ensured.
The problem of outside air get into the inside difficulty of a tower section of thick bamboo under the unit leeward condition is solved in this disclosure, realizes increase air volume effect, and is energy-concerving and environment-protective.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this disclosure, are included to provide a further understanding of the disclosure, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the disclosure and not to limit the disclosure.
FIG. 1 is a general block diagram of a temperature control system according to an embodiment of the present disclosure;
FIG. 2 is a block diagram of a pressure control module in a temperature control system according to an embodiment of the disclosure;
FIG. 3 is a schematic diagram illustrating air flow during operation of a temperature control system according to one embodiment of the present disclosure.
Wherein, 1-centrifugal fan, 2-air collecting pipeline, 3-heat collecting module, 4-ventilating pipeline, 5-pressure control module, 5-1-centrifugal fan, 5-2-protective net, 5-3-shell.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The embodiments and features of the embodiments in the present application may be combined with each other without conflict.
For convenience of description, the words "up", "down", "left" and "right" in this disclosure, if any, merely indicate correspondence with up, down, left and right directions of the drawings themselves, and do not limit the structure, but merely facilitate description of the disclosure and simplify description, rather than indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the disclosure.
The system carries out engineering calculation and simulation analysis through a relatively independent closed space of the whole tower barrel, adopts an air-air heat dissipation mode with independent internal and external circulation to dissipate heat of the converter, adopts pressure control equipment to input dry and cold air into the converter, realizes temperature control of the converter through reasonable arrangement and pipeline connection, effectively reduces heat accumulation after heat dissipation of electrical elements, ensures the operating temperature environment of the converter, provides the service life of the electrical elements, and ensures safe and normal operation of the whole unit.
Example one
The embodiment discloses a temperature control system of a converter of a high-power wind generating set, which comprises one or more wind collecting modules, a heat collecting module 3, a ventilation pipeline 4 and a pressure control module 5 which are connected in sequence as shown in figure 1,
each air collecting module comprises a centrifugal fan 1 and an air collecting pipeline 2, and when the pressure control module works, the air collecting module enables air in the converter to enter the air collecting pipeline through the centrifugal fan 1. The wind collecting module is fixed outside the converter.
The heat collection module is a heat collection air box and collects heat in one or more air collection pipelines. The heat collection module is arranged on the support at the bottom of the tower.
As shown in FIG. 2, the pressure control module mainly comprises the following components, namely a centrifugal fan 5-1, a protective net 5-2 and a shell 5-3.
As shown in fig. 3, the inside and outside of the tower are two environmental systems, and the isolation between the two is realized by the sealing structure of the tower itself. The wind collecting module and the heat collecting module 3 are arranged inside the converter, the pressure control module 5 is arranged outside the converter, the heat collecting module 3 and the pressure control module 5 are connected through a ventilation pipeline 4, and sealing elements are arranged at the joints of the modules to realize system sealing.
The tower drum door is provided with an air inlet, and when negative pressure is generated inside the tower drum, the air inlet is opened according to the air pressure balance principle to enter external cold air. The pressure control module is located to the air outlet, and when pressure control module during operation, the inside air of tower section of thick bamboo passes through the air outlet via wind collection module, heat collection module 3, ventilation pipeline 4 and discharges.
Under the action of the pressure control module 5, air suction is generated, so that the relatively closed environment in the whole tower barrel is in a negative pressure condition which is higher than that of the external environment, according to the air pressure balance principle, outside air is forced to enter the environment in the tower barrel through the air inlet, under the action of the centrifugal fan 1, cold air is sucked into the converter cabinet body, cooling the electric elements, absorbing the heat generated by the electric elements into the air collecting pipeline 2, generating negative air pressure inside the heat collecting module 3 under the action of the pressure control module 5, absorbing the air with heat in the air collecting pipeline 2 into the heat collecting module 3, and under the effect of the pressure control module 5, air with heat in the heat collection module 3 enters the pressure module 5 through the ventilation pipeline 4, and the air with heat is led out to the external environment of the tower cylinder under the effect of internal positive air pressure of the pressure module 5.
Example two
The temperature control system of the converter of the high-power wind generating set is characterized by comprising a controller, a temperature probe and a temperature control subsystem, wherein the temperature probe is used for detecting the internal environment temperature of the converter; wherein,
the temperature control subsystem includes: the wind collecting module or modules are arranged outside the converter in the tower barrel and connected with one end of the ventilation pipeline through the heat collecting module; the pressure control module is arranged outside the tower cylinder and is connected with the other end of the ventilation pipeline;
the controller is connected with the temperature probe and the pressure control module;
the controller receives temperature data transmitted by the temperature probe, when the temperature exceeds a preset value, the pressure control module is controlled to start, external air enters the tower drum through an air inlet window on a tower drum door and is sucked into the converter based on a pressure balance principle, and air in the converter enters the temperature control system from the air collecting module and is discharged through the pressure control module.
The controller receives the data of the internal temperature of the converter sent by the temperature probe, judges whether the temperature exceeds a preset value (for example, 50 ℃), and controls the pressure control module 5 to start if the temperature exceeds the preset value, the internal air is exhausted through the air outlet of the pressure control module 5 via the air collection module, the heat collection module 3 and the ventilation pipeline 4, and meanwhile, according to the air pressure balance principle, the external air enters the converter through the air inlet, so that the cooling of electric elements of the converter is realized through the exchange of the internal air and the external air. And when the temperature in the converter rises to the preset starting temperature point again, starting the pressure module again, and circulating the steps.
In order to accurately control the air quantity when the pressure control module sucks air, the cooling circulation in the flow converter is simulated when the temperature in the tower cylinder exceeds 50 ℃ through finite element simulation software, and the optimum air quantity is obtained.
One or more of the above embodiments have the following technical effects:
the temperature control system disclosed by the invention adopts an internal and external air exchange mode to dissipate heat of the converter, adopts the pressure control equipment to enable the converter to input dry and cold air, realizes temperature control of the converter through reasonable arrangement and pipeline connection, effectively reduces heat accumulation after heat dissipation of the electrical elements, has no integral or local overheating condition, and ensures normal operation of the electrical elements.
According to the method and the device, the data of the temperature probe in the converter are combined, the automatic control of the environment temperature in the converter is realized, the environment temperature in the converter is ensured within a reasonable range, the service life of an electric element is prolonged, and the safe and normal operation of the whole unit is ensured.
The problem of outside air get into the inside difficulty of a tower section of thick bamboo under the unit leeward condition is solved in this disclosure, realizes increase air volume effect, and is energy-concerving and environment-protective.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Although the embodiments of the present application have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present application, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive effort by those skilled in the art.
Claims (9)
1. The utility model provides a temperature control system of high-power wind generating set converter which characterized in that includes:
the wind collecting module or modules are arranged outside the converter in the tower barrel and connected with one end of the ventilation pipeline through the heat collecting module;
the pressure control module is arranged outside the tower cylinder and is connected with the other end of the ventilation pipeline;
when the pressure control module works, based on the pressure balance principle, outside air enters the tower drum through an air inlet window on a tower drum door and is sucked into the converter, and air inside the converter enters the temperature control system from the air collecting module and is discharged through the pressure control module.
2. The temperature control system of the converter of the high-power wind generating set according to claim 1, wherein sealing elements are arranged at the joints of the parts of the temperature control system.
3. The temperature control system of the converter of the high-power wind generating set according to claim 1, wherein the air collection module comprises a centrifugal fan and an air collection pipeline, and when the pressure control module is operated, the centrifugal fan sucks air in the converter to the air collection pipeline.
4. The temperature control system of a converter of a high power wind turbine generator set according to claim 1, wherein the pressure control module comprises a centrifugal fan, and wherein the pressure control module is operable to exhaust air in the duct through the centrifugal fan.
5. A temperature control system of a converter of a high-power wind generating set is characterized by comprising a controller, a temperature probe and a temperature control subsystem, wherein the temperature probe is used for detecting the internal environment temperature of the converter; wherein,
the temperature control subsystem includes: the wind collecting module or modules are arranged outside the converter in the tower barrel and connected with one end of the ventilation pipeline through the heat collecting module; the pressure control module is arranged outside the tower cylinder and is connected with the other end of the ventilation pipeline;
the controller is connected with the temperature probe and the pressure control module;
the controller receives temperature data transmitted by the temperature probe, when the temperature exceeds a preset value, the pressure control module is controlled to be started, external air enters the converter through an air inlet window in a tower door based on a pressure balance principle, and air in the converter enters the temperature control system from the air collecting module and is discharged through the pressure control module.
6. The temperature control system of the converter of the high-power wind generating set according to claim 5, wherein when the temperature of the tower exceeds a preset value, the cooling circulation in the converter is obtained to obtain the optimum air volume so as to control the air suction intensity of the pressure control system when the finite element simulation software simulates different air inlet volumes and the temperature of the converter to change.
7. The temperature control system of the converter of the high power wind generating set according to claim 5, wherein sealing elements are arranged at the joints of the parts of the temperature control subsystem.
8. The temperature control system of the converter of the high-power wind generating set according to claim 5, wherein the air collection module comprises a centrifugal fan and an air collection pipeline, and when the pressure control module is operated, the air in the converter is sucked to the air collection pipeline through the centrifugal fan.
9. The temperature control system of a converter of a high power wind turbine generator set according to claim 5, wherein the pressure control module comprises a centrifugal fan, and wherein the pressure control module is operable to exhaust air in the duct through the centrifugal fan.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811553128.5A CN109688763A (en) | 2018-12-18 | 2018-12-18 | A kind of high-power wind-driven generator group current transformer temperature control system |
| PCT/CN2019/124943 WO2020125543A1 (en) | 2018-12-18 | 2019-12-12 | Temperature control system of high-power converter of wind turbine generator set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811553128.5A CN109688763A (en) | 2018-12-18 | 2018-12-18 | A kind of high-power wind-driven generator group current transformer temperature control system |
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| Publication Number | Publication Date |
|---|---|
| CN109688763A true CN109688763A (en) | 2019-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811553128.5A Pending CN109688763A (en) | 2018-12-18 | 2018-12-18 | A kind of high-power wind-driven generator group current transformer temperature control system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109688763A (en) |
| WO (1) | WO2020125543A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020125543A1 (en) * | 2018-12-18 | 2020-06-25 | 山东中车风电有限公司 | Temperature control system of high-power converter of wind turbine generator set |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114389433B (en) * | 2021-12-07 | 2023-04-28 | 江苏海迪威液压有限公司 | Wind power generation converter water cooling system with gas voltage stabilizing mechanism |
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| DE112011104389A5 (en) * | 2010-12-17 | 2013-09-12 | Thomas Lüftl | Aufwindkraftwerk with gas-fired thermal |
| CN203420834U (en) * | 2013-07-24 | 2014-02-05 | 国电联合动力技术有限公司 | Air cooling device and wind generating set tower cylinder with same |
| CN105221360A (en) * | 2015-09-16 | 2016-01-06 | 北京金风科创风电设备有限公司 | Cooling system of wind generating set and wind generating set |
| CN207166959U (en) * | 2017-09-26 | 2018-03-30 | 三一重能有限公司 | Wind-driven generator and its current transformer cooling system |
| CN208226852U (en) * | 2018-05-30 | 2018-12-11 | 山西恒信风光新能源技术有限公司 | A kind of wind power frequency converter aeration radiation system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6351381B1 (en) * | 2001-06-20 | 2002-02-26 | Thermal Corp. | Heat management system |
| CN109688763A (en) * | 2018-12-18 | 2019-04-26 | 山东中车风电有限公司 | A kind of high-power wind-driven generator group current transformer temperature control system |
-
2018
- 2018-12-18 CN CN201811553128.5A patent/CN109688763A/en active Pending
-
2019
- 2019-12-12 WO PCT/CN2019/124943 patent/WO2020125543A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE112011104389A5 (en) * | 2010-12-17 | 2013-09-12 | Thomas Lüftl | Aufwindkraftwerk with gas-fired thermal |
| CN203420834U (en) * | 2013-07-24 | 2014-02-05 | 国电联合动力技术有限公司 | Air cooling device and wind generating set tower cylinder with same |
| CN105221360A (en) * | 2015-09-16 | 2016-01-06 | 北京金风科创风电设备有限公司 | Cooling system of wind generating set and wind generating set |
| CN207166959U (en) * | 2017-09-26 | 2018-03-30 | 三一重能有限公司 | Wind-driven generator and its current transformer cooling system |
| CN208226852U (en) * | 2018-05-30 | 2018-12-11 | 山西恒信风光新能源技术有限公司 | A kind of wind power frequency converter aeration radiation system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020125543A1 (en) * | 2018-12-18 | 2020-06-25 | 山东中车风电有限公司 | Temperature control system of high-power converter of wind turbine generator set |
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| WO2020125543A1 (en) | 2020-06-25 |
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Application publication date: 20190426 |
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| RJ01 | Rejection of invention patent application after publication |