Standard No.:	GB/Z 22720.2-2013
English Name:	Rotating electrical machines—Qualification and acceptance tests for partial discharge resistant electrical insulation systems(Type Ⅱ)used in rotating electrical machines fed from voltage converters
Chinese Name:	旋转电机 电压型变频器供电的旋转电机耐局部放电电气绝缘结构（Ⅱ型）的鉴别和认可试验
Chinese Classification:	K20    Electric rotating machinery in general
Professional Classification:	GB    National Standard
ICS Classification:	29.160.01 29.160.01    Rotating machinery in general 29.160.01
Issued by:	AQSIQ; SAC
Issued on:	2013-12-17
Implemented on:	2014-5-10
Status:	superseded
Superseded by:	GB/T 22720.2-2019 Rotating electrical machines—Qualification tests for the partial discharge resistant electrical insulation systems(Type Ⅱ) used in rotating electrical machines fed from voltage converters
Superseded on:	2020-1-1
Language:	English
File Format:	PDF
Word Count:	12000 words
Price(USD):	360.0
Delivery:	via email in 1~5 business day

GB22720的本部分规定了由产生重复冲击电压的脉宽调制(PWM)变频器供电并在运行期间承受局部放电的单相或多相交流电机定子/转子绕组绝缘结构的评估标准。
本部分适用于电压型变频器供电下典型试样的鉴别和认可试验。
本部分不适用于:
———仅在启动时使用变频器的旋转电机;
———牵引用电气设备和结构。