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A high power density single phase PWM rectifier with active ripple energy storage

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4 Author(s)
Ruxi Wang ; Center for Power Electron. Syst., Virginia Polytech. Inst. & State Univ., Blacksburg, VA, USA ; Wang, F. ; Boroyevich, D. ; Puqi Ning

It is well known that there exist second-order harmonic current and corresponding ripple voltage on dc bus for single phase PWM rectifiers. The low frequency harmonic current is normally filtered using a bulk capacitor in the bus which results in low power density. This paper proposed an active ripple energy storage method that can effectively reduce the energy storage capacitance. The feed-forward control method and design considerations are provided. Simulation and 15 kW experimental results are provided for verification purposes.

Published in:

Applied Power Electronics Conference and Exposition (APEC), 2010 Twenty-Fifth Annual IEEE

Date of Conference:

21-25 Feb. 2010