Measurments of the strand current show that the basic and harmonic circulating current losses in the stator barrel type coil of ac machines are quite significant.
真机实测股线电流表明，交流电机定子圈式线圈并联股线间存在相当可观的基波和谐波环流损耗。
2
The paper introduces equipment of intelligent arc suppression coil grounded compensation. Itovercomes shortcoming in restricting harmonic over-voltage existed in old arc suppression coil.