Quasi-Resonant DC-Link Inverter With a Reduced Number of Active Elements
Mandrek, S.; Chrzan, P.J.
Industrial Electronics, IEEE Transactions on
Volume 54, Issue 4, Aug. 2007 Page(s):2088 - 2094
Digital Object Identifier   10.1109/TIE.2007.895143
Summary:In this paper, a new scheme of a parallel quasi-resonant dc-link inverter (PQRDCLI) for electrical drive applications is described. Principles of the soft-switching inverter operation for bidirectional energy transmission are presented. A PQRDCLI analysis with the aid of simulations and experimental tests is carried out. The circuit features relatively simple topological structure and moderate overcurrent stress of components. A robust control strategy of the quasi-resonant circuit operation with an inverter output voltage dv/dt limitation has been achieved.

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