It can make a synchronous machine to generate an ac power with constant frequency and constant power, the power quality is better and the power of matching convertor is lower than the generator.
它能够使用普通同步发电机发出恒频恒功率交流电，电能质量更好，所使用的变换器功率低于发电机功率。
A separate-controlled AC-DC-AC power load simulator is designed adopting the principle of voltage-type PWM convertor.
本文运用PW M电压型变流器的基本原理，设计了一种分离控制式交-直-交功率负荷模拟器。
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