To increase power factor, the current distortion can be reduced by harmonic suppression technology.
为提高逆变电源的功率因数，必须采用谐波抑制技术降低输入电流的谐波畸变率。
Hence, a filter could be designed to increase power factor of traction substation and decrease the harmonic currents.
因此，合理设计滤波器，可使牵引变电站的功率因数及谐波同时满足要求。
A method which can increase power factor and decrease energy consumption of common manual ac electric welding machine is presented.
介绍了一种解决普通手工交流电焊机功率因数偏低及耗能严重现象的方法。
应用推荐