GB/T 22720.1-2017旋转电机电压型变频器供电的旋转电机无局部放电(Ⅰ型)电气绝缘结构的鉴别和质量控制试验国家标准
英文:Rotating electrical machines—Qualification and quality control tests of partial discharge free electrical insulation ...
英文:Rotating electrical machines—Qualification and quality control tests of partial discharge free electrical insulation ...