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GB/T 25389.2-2010 (GB/T 25389.2-2018 Newer Version) PDF English


GB/T 25389.2-2010 (GB/T25389.2-2010, GBT 25389.2-2010, GBT25389.2-2010)
Standard IDContents [version]USDSTEP2[PDF] delivered inName of Chinese StandardStatus
GB/T 25389.2-2018English260 Add to Cart 0-9 seconds. Auto-delivery. Wind turbines -- Permanent magnet synchronous generator -- Part 2: Testing methods Valid
GB/T 25389.2-2010English85 Add to Cart 0-9 seconds. Auto-delivery. Wind turbine low-speed permanent magnet synchronous generator -- Part 2: Testing methods Obsolete
Newer version: GB/T 25389.2-2018     Standards related to (historical): GB/T 25389.2-2018

GB/T 25389.2-2010: PDF in English (GBT 25389.2-2010)

GB/T 25389.2-2010 ICS 27.180 F 11 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA Wind turbine low-speed permanent magnet synchronous generator - Part 2. Testing methods ISSUED ON. NOVEMBER 10, 2010 IMPLEMENTED ON. MARCH 1, 2011 Issued by. General Administration of Quality Supervision, Inspection and Quarantine; Standardization Administration of the People’s Republic of China. Table of Contents Foreword ... 2  1 Scope ... 4  2 Normative references ... 4  3 Terms and definitions ... 5  4 Test requirements ... 5  4.1 Safety measures ... 5  4.2 Measuring instruments and meters ... 5  4.3 Test preparations ... 6  5 Test items ... 6  5.1 Measurement of insulation resistance ... 6  5.2 Measurement of winding’s DC resistance in actual cold state ... 7  5.3 Inter-turn impulse withstanding voltage-test ... 9  5.4 Withstanding voltage test ... 10  5.5 Measurement of vibration ... 11  5.6 Measurement of noise ... 11  5.7 Measurement of generator no-load voltage and voltage tolerance difference ... 11  5.8 Measurement of no-load characteristic curve of generator’s cold state and heat state (generator method) ... 12  5.9 Generator’s no-load characteristic test (electric motor method) ... 14  5.10 Steady short-circuit test ... 15  5.11 Over-current test ... 16  5.12 Overload test ... 16  5.13 Overspeed test ... 17  5.14 Heat test ... 17  5.15 Efficiency’s direct measuring method ... 19  5.16 Efficiency’s indirect measuring method ... 20  5.17 Measurement of generator’s voltage regulation-rate δstu (pure resistance load only) ... 21  5.18 Generator’s power characteristic test ... 22  5.19 Measurement of waveform’s distortion-rate ... 22  5.20 Measurement of starting resistance torque ... 22  5.21 Sudden short-circuit test ... 23  5.22 Measurement of bearing voltage ... 23  5.23 Degrees of shell-protection test ... 24  5.24 Humidity and heat test ... 24  5.25 Salt-fog test ... 24  5.26 Fungus test ... 25  Foreword GB/T 25389 “Wind Turbine Low-Speed Permanent Magnet Synchronous Generator” is divided into two parts. — Part 1. Technical conditions; — Part 2. Test methods. This Part is the first part of GB/T 25389 “Wind Turbine Low-Speed Permanent Magnet Synchronous Generator”. This Part was proposed by China Machinery Industry Federation. This Part shall be under the jurisdiction of National Technical Committee for Standardization of Wind Machinery. Participating drafting organizations of this Part. Xiangtan Electric Manufacturing Co., Ltd., Hunan Electric Wind Energy Co., Ltd., China North Car Group Yongji Xinshisu Electric Equipment Co., Ltd., Xi’an DunAn Electric Co., Ltd., Special Motors Institute of Shenyang University of Technology, Changzhou Railcar Propulsion Engineering Research Center, Jiangxi Jinliyong Magnetic Technology Co., Ltd., Beijing Zhong Ke San Huan High-Tech Co., Ltd., Inner Mongolia Hui Quan Environmental Power Co., Ltd. Chief drafting staffs of this Part. Liu Guoping, Yu Lihua, Guo Dengta, Li Chunlin, Luo Guisheng, Long Xin, Bi Jianhong, Chen Xiaolin, Li Suping, Liu Rongqiang, Huang Guojie, Pang Zhuohui, Kong Lingjiang, Tang Renyuan, An Zhongliang, Qiu Shiping, Li Xinnong, Lv Feng, Wang Yuguo, Zhang Fuquan. Wind Turbine Low-speed Permanent Magnet Synchronous Generator - Part 2. Testing methods 1 Scope This Part of GB/T 25389 specifies the test methods of low-speed permanent magnet synchronous generator used for grid-connected wind turbines. This Part is applicable to the test of low-speed permanent magnet synchronous generator (hereinafter referred to as generator). Other types of generators may adopt this Part by reference. 2 Normative references The following documents contain the provisions which, through reference in this Part of GB/T 25389, become the provisions of this Part. For the dated references, the subsequent amendments (excluding corrections) or revisions do not apply to this Part. However, the parties who enter into agreement based on this Part are encouraged to investigate whether the latest versions of these documents are applicable. For undated reference documents, the latest versions apply to this Standard. GB 755 Rotating electrical machines - Rating and performance (GB 755-2008, IEC 60034-1.2004, IDT) GB/T 1029 Test procedures for three-phase synchronous machines GB/T 2423.16 Environmental testing - Part 2. Test methods - Test J and guidance - Mold growth (GB/T 2423.16-2008, IEC 60068-2-10.2005, IDT) GB/T 2423.17 Environmental testing for electric and electronic products - Part 2. Test method - Test Ka. Salt mist (GB/T 2423.17-2008, IEC 60068-2-11.1981, IDT) GB/T 4942 Degrees of Protection Provided by the Integral Design of Rotating Electrical Machined (IP Code) - Classification (GB/T 4942.1-2006, IEC 60034- 5.2000, IDT) GB 10068 Mechanical vibration of certain machines with shaft heights 56 mm and higher - Measurement, evaluation and limits of vibration severity (GB 10068-2008, IEC 60034-14.2007, IDT) GB/T 10069.1 Measurement of airborne noise emitted by rotating electrical machines and the noise limits - Part 1. Method for the measurement of airborne noise emitted by rotating electrical machines (GB/T 10069.1-2006, ISO 1680.1999, MOD) GB/T 12665 Requirements of damp-heat testing of electrical machine for service in general environmental condition GB/T 25389.1 Wind turbine low-speed permanent magnet synchronous generator - Part 1. Technical conditions JB/T 5811 Test method and limits of form-wound winding for alternating current low-voltage electrical machines JB/T 9615.1 Test methods of the interturn insulation on random wound winding for AC low-voltage machines JB/T 9615.2 Test limits of the interturn insulation on random wound winding for AC low-voltage machines JB/T 10098 Impulse voltage withstand levels of rotating a.c. machines with form-wound stator coils (JB/T 10098-2000, IEC 60034-15.1995, IDT) JB/T 10500.1 Embedded thermometer resistance for electrical machines – Part 1. General specification, measuring methods and examine rule 3 Terms and definitions Terms and definitions determined by GB 755 and GB/T 1029 are applicable to this Part. 4 Test requirements 4.1 Safety measures Because of test process that involves dangerous current, voltage, magnetic field and mechanical force, all tests shall adopt the safety precautions. Therefore, all tests shall be conducted by those who have relevant knowledge and experience. 4.2 Measuring instruments and meters 5.2.2 Measurement of winding’s DC resistance Winding’s DC resistance can be measured by electric bridge method, micro- ohm-meter method, voltmeter-ammeter method or other measuring methods, in which the commonly used methods are as follow. a) Electric bridge method When measuring winding’s DC resistance, generator rotor is stationary. DC resistance of stator winding shall be measu... ......
 
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.