To enhance the quality of manufacturing as responsibility, build national brand of measurement!
To enhance the quality of manufacturing as responsibility, build national brand of measurement!
电机的转矩主要由基波分量决定。因此，变频器供电电机试验中，大部分试验应该采用基波有效值（h01）测量模式。
对于温升试验，若采用变频器供电，应该选用真有效值（rms或Trms），因为谐波通过绕组一样会消耗功率产生热能，影响温升。
China's leading enterprise in variable frequency power measurement and metering
National variable frequency power measuring instrument (metering station) founder
Research and development unit of national variable frequency power metering standard