在Xilinx公司的Spartan ⅡE系列的XC2S100E pq-208 FPGA芯片上完成PWM波和SPWM波控制信号，控制电力电子器件IGBT和MOSFET构成的斩波、逆变输出电路，实现直流稳压和SPWM交流调频输出。-In Xilinx' s Spartan Ⅱ E Series XC2S100E pq-208 FPGA chip to complete SPWM wave PWM control signal wave and control the power electro

ac regulated chopper-ac ac regulated chopper

This circuit uses the AC7 block of SimPowerSystems™ library. It models a brushless DC motor drive with a braking chopper for a 3HP motor.The permanent magnet synchronous motor (with trapezoidal back-EMF) is fed by a PWM voltage source inverter,