一种新型三相准谐振直流环节逆变器

Conference Record of the 1991 IEEE Industry Applications Society Annual Meeting Pub Date : 1991-09-28 DOI:10.1109/IAS.1991.178331

J.-W. Lee, S. Sul, M. Park

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引用次数: 8

摘要

提出一种采用谐振电路加一个开关的三相准谐振直流链路逆变器(QRI)。分析了逆变器中给定开关状态和负载电流状态下的电路状态，推导了逆变器输入侧的等效电路。利用该等效电路对QRI进行了分析，提出了谐振电感的初始电流控制技术和谐振电容的初始电压控制技术两种控制技术，以使谐振链路在不影响逆变器运行的情况下都能获得理想的振荡。通过仿真和实验验证了QRI的工作特性。

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A novel three-phase quasi-resonant DC link inverter

A three-phase quasi-resonant DC link inverter (QRI), which adopts the resonant circuit with one additional switch, is proposed. The circuit states for given switching and load current states in the inverter are analyzed, and then an equivalent circuit seen from the inverter input side is derived. By using this equivalent circuit the QRI is analyzed, and two control techniques, which are the initial current control technique of resonant inductor and the initial voltage control technique of resonant capacitor, are presented in order to obtain the desirable oscillation of resonant link irrespective of inverter operation. The operating characteristics of QRI are verified through both simulations and experiments.<>

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Conference Record of the 1991 IEEE Industry Applications Society Annual Meeting

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