【摘要】 给出了一种对加在交流电机上的三相电流进行缺相和反相检测的电路,并且通过具体的时序对电路的工作原理及抗干扰措施进行了分析。更多还原

【Abstract】 A circuit to detect phase-missing and phase-reversing of three-phase current in AC electric motor is given in the paper. The working principle and AJ measure is analysed by means of concrete time sequence.更多还原