基于瞬时功率流向法判定PWM变流器瞬时工作状态的研究

Research on Determining the PWM Converter Based on the Instantaneous Power Direction under Instantaneous Working State

针对PWM变流器实时工作状态,提出了一种基于瞬时功率流向法判定PWM变流器每一时刻工作状态的原理与方法,以单相PWM整流及逆变状态为例,详述了其判定方法,揭示了此方法的应用意义。

Aiming at the real-time working state of PWM converter, a principle and method based on the instantaneous power direction to determine every working state seconds is presented. Taking the single-phase PWM rectifier and inverter state as examples, it showed the method has application significance after describing its judgment method.