Quasi Resonant DC Link Inverter with a Simple Auxiliary Circuit

Mohammad Reza Amini; Hosein Farzanehfard

Quasi Resonant DC Link Inverter with a Simple Auxiliary Circuit

Mohammad Reza Amini

Hosein Farzanehfard

Vol. 11, No. 1, pp. 10-15, Jan. 2011

10.6113/JPE.2011.11.1.10

Pulse width modulation (PWM)

Quasi-resonant dc-link (QRDCL)

Soft switching inverter

Zero voltage switching

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Abstract

In this paper, a new soft switching three phase inverter with a quasi-resonant dc-link is presented. The proposed inverter has a dc-link switch and an auxiliary switch. The inverter switches are turned on and off under zero voltage switching condition and all auxiliary circuit switches and diodes are also soft switched. The control utilizes PWM and the auxiliary switch does not require an isolated gate drive circuit. In this paper, the operation analysis and design considerations of the proposed soft switching inverter are discussed. The presented experimental results of a realized prototype confirm the theoretical analysis.

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Cite this article

[IEEE Style]

M. R. Amini and H. Farzanehfard, "Quasi Resonant DC Link Inverter with a Simple Auxiliary Circuit," Journal of Power Electronics, vol. 11, no. 1, pp. 10-15, 2011. DOI: 10.6113/JPE.2011.11.1.10.

[ACM Style]

Mohammad Reza Amini and Hosein Farzanehfard. 2011. Quasi Resonant DC Link Inverter with a Simple Auxiliary Circuit. Journal of Power Electronics, 11, 1, (2011), 10-15. DOI: 10.6113/JPE.2011.11.1.10.