Probe on technology reform of harmonic filter for coal mine power network 煤矿电网谐波滤波器技术改造探讨
2.
It is no use inputting the tune wave filter and the compensate instruments with the power factor because the little pollution of the tune wave and the lower power factor 对电网谐波污染小、输人功率因数高。不必采用输人谐波滤波器和功率因数补偿装置。