AC approximate rms value rectifier instrument 交流近效值整流系仪表
The control circuit of three-phase voltage source PWM rectifier is consisted by a PLC, a HMI ( Human Machine Interface), a power parameter measuring instrument and the central control unit. 文中的三相电压型PWM整流器系统的控制电路由PLC,人机界面HMI(HumanMachineInterface),电力参数测量仪和中央控制单元组成。