Wind turbines - Asynchronous generator - Part 2: Testing methods
1 Scope
This part of GB/T 19071 specifies the test methods for asynchronous generators of grid-connected and fixed-speed wind turbines.
This part is applicable to the performance tests of single-speed or double-speed asynchronous generators (hereinafter referred to as "generators") of grid-connected and fixed-speed wind turbines.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 1029 Test procedures for three-phase synchronous machines
GB/T 1032 Test procedures for three-phase induction motors
GB/T 2423.16 Environmental testing for electric and electronic products - Part 2: Test methods - Test J and guidance: Mold growth
GB/T 2423.17 Environmental testing for electric and electronic products - Part 2: Test methods - Test Ka: Salt mist
GB/T 4942.1 Degrees of protection provided by the integral design of rotating electrical machines (IP code) - Classification
GB/T 10068 Mechanical vibration of certain machines with shaft heights 56 mm and higher - Measurement, evaluation and limits of vibration severity
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 10069.3 Measurement of airborne noise emitted by rotating electrical machines and the noise limits - Part 3: Noise limits
GB/T 12665 Requirements of damp-heat testing of electrical machine for service in general environmental condition
3 Test requirements and preparation
3.1 Safety measures
As dangerous voltages, currents and mechanical forces are involved in the test, safe and effective preventive measures shall be taken during the test, and all tests shall be conducted by personnel with relevant knowledge and experience.
3.2 Instruments and meters for testing
3.2.1 The instruments, meters and sensors used for testing shall be qualified upon metrology organization and used within the validity period.
3.2.2 The accuracy shall not be inferior to Grade 0.5 for electrical measuring meters used in the test (except tramegger), shall not be inferior to Grade 0.2 for electric quantity sensor, and Grade 0.5 for electric quantity transmitter. The reading error of speed recorder shall be within ±1 r/min, (the accuracy shall not be inferior to Grade 1.0), the error of thermometer shall be less than ± 1℃, the accuracy of bridge or digital micro-meter shall not be inferior to Grade 0.2, and other measuring instruments and meters shall meet the requirements of relevant standards.
3.3 Measurement requirements
GB/T 19071.2-2018 The following standards are cited：
GB/T 19071.2-2018 Cited by the following standards：
