In this paper , a pwm - controlled fault current limiter is proposed . it is composed of a limiting reactor and a compensator capacitor , which is in parallel with a pulse width modulation ( pwm ) switched reactor 本文在總結前人研究成果的基礎上,提出了一種基于脈寬調制原理( pulsewidthmodulation ,縮寫為pwm )技術的故障限流器( pwm - fcl ) 。