Multilevel Inverter to Reduce Common Mode Voltage in AC Motor Drives Using SPWM Technique


Vol. 11, No. 1, pp. 21-27, Jan. 2011
10.6113/JPE.2011.11.1.21


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 Abstract

In this paper, an approach to reduce common-mode voltage (CMV) at the output of multilevel inverters using a phase opposition disposed (POD) sinusoidal pulse width modulation (SPWM) technique is proposed. The SPWM technique does not require computations therefore, this technique is easy to implement on-line in digital controllers. A good tradeoff between the quality of the output voltage and the magnitude of the CMV is achieved in this paper. This paper realizes the implementation of a POD-SPWM technique to reduce CMV using a five-level diode clamped inverter for a three phase induction motor. Experimental and simulation results demonstrate the feasibility of the proposed technique.


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Cite this article

[IEEE Style]

M. M. Renge and H. M. Suryawanshi, "Multilevel Inverter to Reduce Common Mode Voltage in AC Motor Drives Using SPWM Technique," Journal of Power Electronics, vol. 11, no. 1, pp. 21-27, 2011. DOI: 10.6113/JPE.2011.11.1.21.

[ACM Style]

Mohan M. Renge and Hiralal M. Suryawanshi. 2011. Multilevel Inverter to Reduce Common Mode Voltage in AC Motor Drives Using SPWM Technique. Journal of Power Electronics, 11, 1, (2011), 21-27. DOI: 10.6113/JPE.2011.11.1.21.