A New Voltage Control Method for Single-Phase PWM Inverters

Pekik Argo Dahono (School of Electrical Engineering and Informatics, Institute of Technology Bandung, Bandung, Indonesia)
Een Taryana (Department of Electrical Engineering, University of Jenderal Achmad Yani, Bandung, Indonesia)

Journal of Engineering and Technological Sciences
Vol. 43 No. 2 (2011)

A  new  voltage  control  method  for  single-phase  full-bridge PWM inverters  that having an output LC filter  is proposed in this paper. The proposed voltage  controller has a capability to realize a zero steadystate output voltage error with fast response. The zero steady-state output voltage error is achieved by using a controller that is derived by using the virtual LC resonant circuit. Fast response is obtained by using a virtual resistance  that  is  connected  in  parallel  with  the  filter  capacitor.  The validity of the proposed method is verified by experimental results.