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Single-sensor HCC PWM control of 3-phase boost type AC-DC converter giving unity power factor

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1 Author(s)
A. N. Arvindan ; Department of Electrical and Electronics Engineering, SSN College of Engineering, Anna University, Chennai, India

The bi-directional boost type improved power quality ac-dc converter (IPQC) is capable of providing transformerless power transfer between a high voltage dc (HVDC) link and a relatively low voltage ac system with improved power quality at input ac mains in terms of high power factor and low total harmonic distortion (THD). The current forced control (CFC) strategy is implemented in the three-phase bridge topology of the IPQC with closed loop control, adopting the hysteresis-band current control (HCC) pulse width modulation (PWM) technique. This paper presents unity power factor operations, in the rectification and inversion modes, with near sinusoidal line currents; of the IPQC that employs power MOSFETs. Simulation results confirm the efficacy of the control technique.

Published in:

Sustainable Energy Technologies (ICSET), 2012 IEEE Third International Conference on

Date of Conference:

24-27 Sept. 2012