alexa Experimental Analysis of Single Phase Bidirectional AC
ISSN ONLINE(2278-8875) PRINT (2320-3765)

International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering
Open Access

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Research Article

Experimental Analysis of Single Phase Bidirectional AC Buck Converter for Power Quality Improvement

Venkatesha.K1, Vidya H.A2, Priyashree S1 and Vijay Kumar G3
  1. Associate Professor, Dept. of Electrical & Electronics Engineering, BNM Institute of Technology, Bangalore, India
  2. Professor & Head, Dept. of Electrical & Electronics Engineering, BNM Institute of Technology, Bangalore, India
  3. Research Assistant, Dept. of Electrical & Electronics Engineering, BNM Institute of Technology, Bangalore, India
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Abstract

A novel bidirectional ac to ac buck converter circuit using power MOSFET operating in high frequency chopping mode is designed and analysed for parameters like input power factor, harmonic profile and efficiency of the converter. The equal PWM (EPWM) technique is a used to increase number of pulses per half cycle (P) in order to vary these parameters. The rms value of the fundamental component of the output voltage can be increased by varying the duty ratio (K) of the pulses. It is observed from the experimental results that the proposed scheme using EPWM technique significantly reduces low order harmonics, improves input power factor and efficiency and hence significantly reduces the filter size of the converter.

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