GB/T 22720.1-2008 旋转电机 电压型变频器供电的旋转电机 Ⅰ型电气绝缘结构的鉴别和型式试验 Rotating electrical machines - Qualification and type tests for - Type Ⅰelectrical insulation systems used in rotating electrical machines fed from voltage converters
Rotating electrical machines - Qualification and type tests for - Type Ⅰelectrical insulation systems used in rotating electrical machines fed from voltage converters