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In a zero-voltage switching (ZVS) inverter, high conversion efficiency and miniaturization are expected since switching loss can be dramatically reduced with proper design. In order to realize ZVS condition, auxiliary components such as inductors, capacitors, and switches are embedded in the inverter to implement the function. Since the design of auxiliary components is critical to the ZVS inverter,...
This paper introduces a design methodology of the zero-voltage switching (ZVS) inverter. Winding structure of the resonant inductor is investigated with finite element analysis (FEA) tool. Busbar structure of the ZVS inverter is discussed to obtain lower stray inductance of the crucial loop. A 30-kW prototype was built following proposed design methodology. The experimental results show that the highest...
Although SiC-MOSFET has shown significant advantages on switching performance compared with traditional Si counterpart, the dynamic loss of the hard switching SiC-MOSFET converter rises quickly with the increasing of the switching frequency. To further pushing the power density of SiC-MOSFET gird inverter, soft switching inverter with Zero-Voltage-Switching (ZVS) SVM technique is investigated. In...
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