This paper introduces the principle of one-cycle control and the application of one-cycle control in some common topologies of power electronic converter.
介绍了单周控制的原理及其在电力电子变换器的几种主要拓扑中的应用，并给出了在常用拓扑中的控制规则。
2
The adopted control mode of previous common frequency converter is usually of open loop constant voltage ratio, which its control curve is not stable.
早期通用变频器大多为开环恒压比的控制方式，控制曲线不稳定。
3
PI regulation law is one of the common methods applied in linear current controller of the power converter while its adaptive performance is poor.