CN201562042U - A full-power test device for a wind turbine in a laboratory - Google Patents
A full-power test device for a wind turbine in a laboratory Download PDFInfo
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- CN201562042U CN201562042U CN200920065592XU CN200920065592U CN201562042U CN 201562042 U CN201562042 U CN 201562042U CN 200920065592X U CN200920065592X U CN 200920065592XU CN 200920065592 U CN200920065592 U CN 200920065592U CN 201562042 U CN201562042 U CN 201562042U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
一种实验室内风电机组整机全功率测试装置，采用双机组能量回馈法进行风电机组整机全功率试验，将两套风电机组机舱按背靠背的方式安装，其中一套机舱做电动运行为拖动风电机组、另一套机舱做发电运行为试验风电机组；电网提供的能量通过拖动风电机组侧的变流柜，给拖动电机提供电能，拖动风电机组通过主轴及联轴器带动试验风电机组运转，并为试验风电机组提供所需转矩；试验风电机组产生的电能再通过变流柜反馈给拖动风电机组；试验风电机组在不同工况运行时，通过测试系统检测出试验风电机组的输出特性。本实用新型采用双机组能量回馈法，节约电能；两套风电机组机舱按背靠背的方式安装，机械安装设备简单，安装方便快捷。
A full-power test device for a complete wind turbine in a laboratory. The full-power test of a complete wind turbine is carried out by using the double-unit energy feedback method. Two sets of wind turbine nacelles are installed in a back-to-back manner, and one of the nacelles operates electrically. The wind turbine unit and another set of nacelle are used for power generation operation to test the wind turbine unit; the energy provided by the power grid provides electric energy to the drive motor through the drive of the converter cabinet on the side of the wind turbine unit, and the drive wind turbine unit drives the test through the main shaft and coupling The wind turbine is running and provides the required torque for the test wind turbine; the electric energy generated by the test wind turbine is fed back to the drag wind turbine through the converter cabinet; The output characteristics of the unit. The utility model adopts the double-unit energy feedback method to save electric energy; the two sets of wind turbine cabins are installed in a back-to-back manner, the mechanical installation equipment is simple, and the installation is convenient and fast.
Description
Technical field
The utility model belongs to a kind of detection test unit of equipment, especially a kind of test unit of megawatt-level wind unit complete machine total power test, be mainly used in and simulate the operating condition of wind generating set engine room (not comprising wheel hub and blade) under the laboratory environment, the output characteristics of test wind-powered electricity generation unit complete machine in wind energy turbine set.
Background technology
Because country greatly develops wind-power electricity generation, encourage homemade high-power wind-driven generator group, from introduction-digestion-absorption-independent research process, the overall test of megawatt-level wind unit seems particularly important, it can verify performance, shortening development and the debugging cycle of new product, reduce the failure rate of product, for the production domesticization of wind-powered electricity generation unit is given security.At home, the method for testing of each parts of wind-powered electricity generation unit and test unit are existing, do not have simulation wind-powered electricity generation unit complete machine moves and carries out corresponding test under laboratory environment means and device temporarily.
Summary of the invention
The purpose of this utility model is that the defective at prior art provides a kind of laboratory wind-powered electricity generation unit complete machine total power tester for testing, and this kind test unit can carry out the total power test to wind-powered electricity generation unit complete machine in the laboratory.
The utility model is achieved through the following technical solutions: wind-powered electricity generation unit complete machine total power proving installation in a kind of laboratory comprises the mechanical erecting equipment of two cover wind-powered electricity generation set engine rooms, main circuit electric power system, control system, test macro, backup system, two wind-powered electricity generation units etc.Described two cover wind-powered electricity generation set engine rooms are installed by back-to-back mode, and a cover drags the wind-powered electricity generation unit for electric operation; Another set of for doing the test wind-powered electricity generation unit of generator operation, connect by universal shaft coupling device.
Described wind-powered electricity generation set engine room comprises aerogenerator, gear case, main shaft, main frame, unsteady flow cabinet, brake system, yaw system, water-cooling system, oil cooling system etc.
Described control system adopts Field Bus Control Technology, possesses manually two kinds of modes of operation of control of computer controlled automatic and button, and these two kinds of modes of operation are separate; Realize the centralized and unified control of test platform, realization centralized control wind-powered electricity generation unit is tested on this test platform.The function of control system is to realize the Long-distance Control and the detection of main circuit equipment, guarantees the security of main circuit electric power system.
Described test macro adopts virtual instrument technique, and all test datas of the online detection of energy realize real-time collection, analysis and storage to these data simultaneously.Test macro is mainly finished double-fed wind power generator and the detection of unsteady flow cabinet electric weight, generating unit speed detection, temperature detection (comprising generator, unsteady flow cabinet, gear case, cooling circulating water, oil pressure pumping plant, servo drive motor etc.), vibration detection (comprising frame, gear case, generator etc.), noise testing etc.
The utlity model has following beneficial effect:
1, the utility model adopts two-shipper group energy feedback method, saves energy; Two cover wind-powered electricity generation set engine rooms are installed by back-to-back mode simultaneously, and mechanical erecting equipment is simple, and is quick and easy for installation;
2, the utility model control system adopts Field Bus Control Technology, has very strong compatibility and extensibility;
3, the utility model test macro adopts virtual instrument technique, the output characteristics parameter of the online detection wind-powered electricity generation unit of energy, comprise the voltage, electric current, peak power, reactive power, voltage fluctuation, harmonic wave, temperature, vibration, generating unit speed of unit output electric energy etc., the relation property curve between wind-powered electricity generation generating unit speed and output electric energy be can finish, real-time collection, analysis and storage realized simultaneously these data.
Description of drawings
Fig. 1 test platform structure is always schemed
Fig. 2 test platform main circuit schematic diagram
Fig. 3 test platform control principle figure
Fig. 4 test platform test philosophy figure
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
By accompanying drawing 1 as can be seen the utility model be wind-powered electricity generation unit complete machine total power proving installation in a kind of laboratory, adopt two-shipper group energy feedback method to carry out the full power trial (FPT) of wind-powered electricity generation unit complete machine, promptly two cover wind-powered electricity generation set engine rooms are installed by back-to-back mode, wherein a cover cabin do electric operation for drag the wind-powered electricity generation unit, generator operation is done for testing the wind-powered electricity generation unit in another set of cabin.Drag wind-powered electricity generation unit side and be provided with the unsteady flow cabinet, the unsteady flow cabinet is connected with test wind-powered electricity generation unit by control circuit difference electrical network, the energy that electrical network provides is by dragging the unsteady flow cabinet of wind-powered electricity generation unit side, provide the startup electric energy to dragging motor, drag the wind-powered electricity generation unit by main shaft and the running of shaft coupling motoring ring test wind-powered electricity generation unit, and provide required torque for testing the wind-powered electricity generation unit; The electric energy that test wind-powered electricity generation unit produces feeds back to by the unsteady flow cabinet and drags the wind-powered electricity generation unit.Test wind-powered electricity generation unit detects the output characteristics of test wind-powered electricity generation unit by test macro when different operating modes are moved.
Whole wind group of motors complete machine full power trial (FPT) device comprises the mechanical erecting equipment of two cover wind-powered electricity generation set engine rooms, main circuit electric power system, control system, test macro, backup system, two wind-powered electricity generation units etc.Two cover wind-powered electricity generation set engine rooms are installed by back-to-back mode, a cover cabin do electric operation for drag the wind-powered electricity generation unit, generator operation is done for testing the wind-powered electricity generation unit in another set of cabin; The main shaft of two cover wind-powered electricity generation set engine rooms connects by universal shaft coupling device.Each system architecture is as follows:
Described wind-powered electricity generation set engine room, comprise test wind-powered electricity generation set engine room 1 and drag 13 liang of covers of wind-powered electricity generation set engine room wind-powered electricity generation set engine room, main shaft 3, main frame 4, yaw system 5, gear case 6, mechanical brake system 8, hydraulic pressure cooling system 9, generator 10, unsteady flow cabinet 11, anemoclinograph 12 and other utility appliance all are housed in every suit wind-powered electricity generation set engine room.Two cover wind-powered electricity generation set engine rooms are installed back-to-back, see Fig. 1, test wind-powered electricity generation set engine room 1 and drag wind-powered electricity generation set engine room 13 and be connected by universal shaft coupling device 2 installations; Main shaft 3 is installed in the main frame 4, and main shaft 3 is connected with gear case 6, and gear case 6 is connected with generator 10 again; Mechanical brake system 8 is installed between gear case 6 and the generator 10, is provided with hydraulic pressure cooling system 9 on generator 10 next doors; Unsteady flow cabinet 11 is installed in the afterbody in cabin 1; Have yaw system 5 at main frame 4.The bottom in cabin 1 is that millwright adorns 7, and millwright is adorned 7 and is installed in test wind-powered electricity generation set engine room 1 and drags on the shared test platform of wind-powered electricity generation set engine room 13.
During test, adopting backup system 24 to drag two wind-powered electricity generation set engine rooms 1 and 13 earlier turns round to the required rotating speed of unit starting, after two unit startings are finished, drag wind-powered electricity generation unit 13 and do electric operation, by 1 running of universal shaft coupling device 2 towing test wind-powered electricity generation units, for test wind-powered electricity generation unit 1 provides test required torque, finish the load test of test wind-powered electricity generation unit 1.The electric energy that test wind-powered electricity generation unit 1 produces feeds back to by main circuit electric power system 21 and drags wind-powered electricity generation set engine room 13, the electric energy that the main circuit electric power system provides only is test wind-powered electricity generation set engine room 1 and the loss that drags wind-powered electricity generation set engine room 13, both realize the load test of test wind-powered electricity generation set engine room 1, saved energy again.
Described main circuit system: see Fig. 2, comprise main circuit electric power system circuit 21, drag wind-powered electricity generation unit circuit 22, test wind-powered electricity generation unit circuit 23, backup system circuit 24.Wherein drag wind-powered electricity generation unit circuit 22 and test wind-powered electricity generation unit circuit 23 and be connected to main circuit electric power system circuit 21, main circuit electric power system circuit 21 provides power supply for dragging wind-powered electricity generation unit circuit 22 and testing wind-powered electricity generation unit circuit 23, in dragging wind-powered electricity generation unit circuit 22 and test wind-powered electricity generation unit circuit 23 the power supply detecting element is installed; Drag wind-powered electricity generation unit motor and provide required torque for test wind-powered electricity generation unit motor, drag wind-powered electricity generation unit motor and do electric operation, test wind-powered electricity generation unit motor is done generator operation, the electric energy of test wind-powered electricity generation unit motor feeds back to by main circuit electric power system circuit 21 and drags the wind-powered electricity generation unit, so the electric energy that main circuit electric power system circuit 21 provides is only for dragging the energy consumption of wind-powered electricity generation unit circuit 22 and test wind-powered electricity generation unit circuit 23.The function of backup system 24 is when dragging wind-powered electricity generation unit and test wind-powered electricity generation unit starting, drag wind-powered electricity generation unit and the running of test wind-powered electricity generation unit, reach the startup rotating speed that drags wind-powered electricity generation unit and test wind-powered electricity generation unit, after dragging wind-powered electricity generation unit and the success of test wind-powered electricity generation unit starting, backup system 24 is out of service automatically.Test motor electric weight detecting element, detector unit, vibration detecting element, current transformer output electric energy detection element etc. are installed in the test wind-powered electricity generation unit circuit 23, its objective is the operation characteristic and the output characteristics that detect test wind-powered electricity generation unit test 1.
Described control system: see Fig. 3, adopt Field Bus Control Technology, possess manually two kinds of modes of operation of control of computer controlled automatic and button, these two kinds of modes of operation are separate; Realize the centralized and unified control of test platform, realization centralized control wind-powered electricity generation unit is tested on this test platform.The function of control system is to realize the Long-distance Control and the detection of main circuit equipment, guarantees the security of main circuit electric power system.Wherein, data acquisition computer 41 is seen Fig. 4, and control operation computing machine 31 links to each other as man-machine interface, mainly finishes instruction transmission, status surveillance and test figure memory function, realizes the centralized and unified control of test platform; Control operation computing machine 31 respectively with Programmable Logic Controller 32, drag wind-powered electricity generation unit master controller 33 and be connected with test wind-powered electricity generation unit master controller 34, Programmable Logic Controller 32, drag wind-powered electricity generation unit master controller 33 and test wind-powered electricity generation unit master controller 34 and be connected with first controlled quentity controlled variable 35, second controlled quentity controlled variable 36 and the 3rd controlled quentity controlled variable 37 again respectively.Programmable Logic Controller 32 is mainly finished chain, the theft-resistant link chain control of switch disjunction, logic of test platform; Drag wind-powered electricity generation unit master controller 33 and mainly finish the operation control that drags the wind-powered electricity generation unit, test wind-powered electricity generation unit master controller 34 is mainly finished the operation control of test wind-powered electricity generation unit, by fieldbus and computer networking technology, realize data acquisition computer 41, Programmable Logic Controller 32, drag wind-powered electricity generation unit master controller 33, test data communication and the on-the-spot organic assembling of control in real time between wind-powered electricity generation unit master controller 34 and the control operation computing machine 31.
Described test macro: seeing Fig. 4, is a cover computer testing system, comprises data acquisition computer 41, data acquisition equipment 42, power of motor analytical equipment 43 and temperature testing equipment more than 44 parts.Wherein, data acquisition computer 41 is electrically connected with data acquisition equipment 42, power of motor analytical equipment 43 and temperature testing equipment 44 by electric wire respectively, and data acquisition equipment 42 is electrically connected by electric wire with electric weight detecting element 45; Power of motor analytical equipment 43 whiles and electric weight detecting element 46 and rotating speed detecting element 47 are electrically connected by electric wire; 44 of temperature testing equipments are electrically connected with detector unit 48 by electric wire.Data acquisition equipment 42, power of motor analytical equipment 43 and temperature testing equipment 44 are mainly finished the detection of detection, the current transformer output electrical quantity of testing generator electrical quantity, the detection of test wind-powered electricity generation unit output electrical quantity, detection, wind-powered electricity generation unit temperature detection and hydraulic pressure, the isoparametric detection of oil pressure, analysis and the storage of electrical network input electrical quantity, and the analysis result data unification is gathered the back by data acquisition computer 41 are uploaded to the generation, printing etc. that control operation computing machine 31 carries out the storage of data and test form in the mode of Ethernet communication.Data acquisition computer 41 is mainly finished unified management, data analysis and the storage of data acquisition equipment 42, power of motor analytical equipment 43 and temperature testing equipment 44, and analysis result data is uploaded to control operation computing machine 31; Described data acquisition equipment 42 is 32 tunnel high-speed data acquisition equipment based on the PXI bus design, mainly finishes the detection of current transformer output electrical quantity, the detection of test wind-powered electricity generation unit output electrical quantity, detection, wind-powered electricity generation unit temperature detection and hydraulic pressure, the isoparametric detection of oil pressure of electrical network input electrical quantity; Described power of motor analytical equipment 43 is an Embedded Double winding electric machine power analysis equipment, mainly finish the doublewound voltage and current of testing generator, torque, rotating speed collection, the phase place of analytical test generator electric energy, phase sequence, electric current and voltage degree of unbalancedness, aberration rate, harmonic wave, meritorious, idle, efficient etc.; Described temperature testing equipment 44 is test wind-powered electricity generation unit operation temperature testing equipment, mainly finishes gear case anhydrate temperature, return water temperature, bearing temperature, gear oil temperature; Generator U phase coil temperature, V phase coil temperature, W phase coil temperature, DE bearing temperature, NDE bearing temperature; The measurement of cabin in-cabinet temperature, circuit chokes temperature, generator chokes temperature, unsteady flow cabinet in-cabinet temperature, power cabinet in-cabinet temperature, switch board in-cabinet temperature, environment temperature equitemperature signal.
Claims (8)
1. wind-powered electricity generation unit complete machine total power proving installation in the laboratory, it is characterized in that: wind-powered electricity generation unit complete machine full power trial (FPT) device comprises the mechanical erecting equipment of two cover wind-powered electricity generation set engine rooms, main circuit electric power system, control system, test macro, backup system, two wind-powered electricity generation units; In the two cover wind-powered electricity generation set engine rooms cover wind-powered electricity generation set engine room do electric operation for drag the wind-powered electricity generation unit, another set of wind-powered electricity generation set engine room is done generator operation for testing the wind-powered electricity generation unit; The mutual back-to-back mode of two cover wind-powered electricity generation set engine rooms is installed, and connects by universal shaft coupling device.
2. wind-powered electricity generation unit complete machine total power proving installation in the laboratory as claimed in claim 1, it is characterized in that: described wind-powered electricity generation set engine room, comprise test wind-powered electricity generation set engine room and drag wind-powered electricity generation set engine room two cover wind-powered electricity generation set engine rooms, main shaft, main frame, yaw system, gear case, mechanical brake system, hydraulic pressure cooling system, generator, unsteady flow cabinet, anemoclinograph and other utility appliance all are housed in every suit wind-powered electricity generation set engine room; Two cover wind-powered electricity generation set engine rooms are installed back-to-back, test wind-powered electricity generation set engine room and drag the wind-powered electricity generation set engine room and be connected by the universal shaft coupling device installation.
3. wind-powered electricity generation unit complete machine total power proving installation in the laboratory as claimed in claim 2, it is characterized in that: described main shaft is installed in the main frame, and main shaft is connected with gear case, and gear case is connected with generator again; The mechanical brake system is installed between gear case and the generator, is provided with the hydraulic pressure cooling system on the generator next door; The unsteady flow cabinet is installed in the afterbody in cabin; Have yaw system at main frame.
4. wind-powered electricity generation unit complete machine total power proving installation in the laboratory as claimed in claim 2, it is characterized in that: the bottom in described cabin is the millwright dress, and the millwright dress is installed in test wind-powered electricity generation set engine room and drags on the shared test platform of wind-powered electricity generation set engine room.
5. wind-powered electricity generation unit complete machine total power proving installation in the laboratory as claimed in claim 1 is characterized in that: described main circuit system comprises main circuit electric power system circuit, drags wind-powered electricity generation unit circuit, tests wind-powered electricity generation unit circuit, backup system circuit; Wherein drag wind-powered electricity generation unit circuit and test wind-powered electricity generation unit circuit and be connected to main circuit electric power system circuit, main circuit electric power system circuit provides power supply for dragging wind-powered electricity generation unit circuit and testing wind-powered electricity generation unit circuit, in dragging wind-powered electricity generation unit circuit and test wind-powered electricity generation unit circuit the power supply detecting element is installed; Drag wind-powered electricity generation unit motor and provide required torque for test wind-powered electricity generation unit motor, drag wind-powered electricity generation unit motor and do electric operation, test wind-powered electricity generation unit motor is done generator operation, and the electric energy of test wind-powered electricity generation unit motor feeds back to by main circuit electric power system circuit and drags the wind-powered electricity generation unit; Test motor electric weight detecting element, detector unit, vibration detecting element, current transformer output electric energy detection element are installed in the test wind-powered electricity generation unit circuit.
6. wind-powered electricity generation unit complete machine total power proving installation in the laboratory as claimed in claim 2, it is characterized in that: described control system adopts Field Bus Control Technology, possess manually two kinds of modes of operation of control of computer controlled automatic and button, these two kinds of modes of operation are separate; Wherein, data acquisition computer links to each other as man-machine interface with the control operation computing machine; The control operation computing machine respectively with Programmable Logic Controller, drag wind-powered electricity generation unit master controller and be connected with test wind-powered electricity generation unit master controller, Programmable Logic Controller, drag wind-powered electricity generation unit master controller and test wind-powered electricity generation unit master controller and be connected with first controlled quentity controlled variable, second controlled quentity controlled variable and the 3rd controlled quentity controlled variable again respectively.
7. wind-powered electricity generation unit complete machine total power proving installation in the laboratory as claimed in claim 2, it is characterized in that: described test macro is a cover computer testing system, comprises data acquisition computer, data acquisition equipment, power of motor analytical equipment and several parts of temperature testing equipment; Wherein, data acquisition computer is electrically connected with data acquisition equipment, power of motor analytical equipment and temperature testing equipment by electric wire respectively, and data acquisition equipment is electrically connected by electric wire with the electric weight detecting element; The power of motor analytical equipment then is electrically connected by electric wire with electric weight detecting element and rotating speed detecting element simultaneously; Temperature testing equipment then is electrically connected with detector unit by electric wire.
8. wind-powered electricity generation unit complete machine total power proving installation in the laboratory as claimed in claim 7 is characterized in that: described data acquisition equipment is 32 tunnel high-speed data acquisition equipment based on the PXI bus design; Described power of motor analytical equipment is an Embedded Double winding electric machine power analysis equipment; Described temperature testing equipment is test wind-powered electricity generation unit operation temperature testing equipment.
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| CN200920065592XU CN201562042U (en) | 2009-08-17 | 2009-08-17 | A full-power test device for a wind turbine in a laboratory |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102156044A (en) * | 2011-03-07 | 2011-08-17 | 南京理工大学 | Wind turbine simulator applicable to testing of direct driving type wind generating set and model selection method thereof |
| CN102175373A (en) * | 2011-03-11 | 2011-09-07 | 西安交通大学 | Full power testing system for large wind generating set |
| CN101629990B (en) * | 2009-08-17 | 2012-01-11 | 南车株洲电力机车研究所有限公司 | Full power test method and test device for whole wind turbine |
| CN102854463A (en) * | 2012-03-31 | 2013-01-02 | 江苏新誉重工科技有限公司 | Megawatt wind power simulation test system and test method |
| CN103176127A (en) * | 2013-03-01 | 2013-06-26 | 武汉华创新源电气有限公司 | Electric wheel traction motor drag-and-drop experiment device |
| EP2784467A1 (en) * | 2013-03-27 | 2014-10-01 | Alstom Renovables España, S.L. | Generator Test Benches and Back-To-Back Testing Systems and Methods |
| CN109505739A (en) * | 2018-11-23 | 2019-03-22 | 南京讯联智能科技有限公司 | A kind of wind-powered electricity generation lubrication, Performance Test System and its working method of the water-cooling system under the conditions of full ambient engine |
| CN109656175A (en) * | 2018-12-26 | 2019-04-19 | 大唐巴彦淖尔风力发电有限责任公司 | Wind-powered electricity generation investigating method based on PXI bussing technique |
| CN112084661A (en) * | 2020-09-10 | 2020-12-15 | 中国船舶重工集团海装风电股份有限公司 | Wind turbine converter water cooling system cooling state assessment early warning method |
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2009
- 2009-08-17 CN CN200920065592XU patent/CN201562042U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101629990B (en) * | 2009-08-17 | 2012-01-11 | 南车株洲电力机车研究所有限公司 | Full power test method and test device for whole wind turbine |
| CN102156044B (en) * | 2011-03-07 | 2012-10-10 | 南京理工大学 | Model selection method of wind turbine simulator applicable to testing of direct driving type wind generating set |
| CN102156044A (en) * | 2011-03-07 | 2011-08-17 | 南京理工大学 | Wind turbine simulator applicable to testing of direct driving type wind generating set and model selection method thereof |
| CN102175373A (en) * | 2011-03-11 | 2011-09-07 | 西安交通大学 | Full power testing system for large wind generating set |
| CN102854463B (en) * | 2012-03-31 | 2015-05-20 | 江苏新誉重工科技有限公司 | Megawatt wind power simulation test system and test method |
| CN102854463A (en) * | 2012-03-31 | 2013-01-02 | 江苏新誉重工科技有限公司 | Megawatt wind power simulation test system and test method |
| CN103176127B (en) * | 2013-03-01 | 2016-03-09 | 武汉华创新源电气有限公司 | A kind of electric wheel traction motor drag-and-drop experiment device |
| CN103176127A (en) * | 2013-03-01 | 2013-06-26 | 武汉华创新源电气有限公司 | Electric wheel traction motor drag-and-drop experiment device |
| WO2014154743A1 (en) * | 2013-03-27 | 2014-10-02 | Alstom Renovables España, S.L | Generator test benches and back-to-back testing systems and methods |
| EP2784467A1 (en) * | 2013-03-27 | 2014-10-01 | Alstom Renovables España, S.L. | Generator Test Benches and Back-To-Back Testing Systems and Methods |
| CN109505739A (en) * | 2018-11-23 | 2019-03-22 | 南京讯联智能科技有限公司 | A kind of wind-powered electricity generation lubrication, Performance Test System and its working method of the water-cooling system under the conditions of full ambient engine |
| CN109656175A (en) * | 2018-12-26 | 2019-04-19 | 大唐巴彦淖尔风力发电有限责任公司 | Wind-powered electricity generation investigating method based on PXI bussing technique |
| CN112084661A (en) * | 2020-09-10 | 2020-12-15 | 中国船舶重工集团海装风电股份有限公司 | Wind turbine converter water cooling system cooling state assessment early warning method |
| CN112084661B (en) * | 2020-09-10 | 2022-07-05 | 中国船舶重工集团海装风电股份有限公司 | Wind turbine converter water cooling system cooling state assessment early warning method |
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