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The 4-leg Voltage Source Converter and its Application to Dynamic Voltage Restoration

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2 Author(s)
Naidu, S.R. ; Univ. Fed. de Campina Grande, Campina Grande ; Fernandes, D.A.

A PWM scheme for the 4-leg voltage source converter (VSC) has been described. The technique is useful for generating unbalanced, 3-phase voltages, including a zero sequence component. It is simple and can be easily implemented in a digital signal processor (DSP). The proposed technique has been applied to the open-loop control of a laboratory-scale dynamic voltage restorer (DVR). Experimental and simulation results are presented to validate the proposed technique.

Published in:

Industrial Electronics, 2007. ISIE 2007. IEEE International Symposium on

Date of Conference:

4-7 June 2007