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Modeling and Direct Power Control of Energy Recovery Power Battery Testing System Under Charging Mode - A New Approach
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Abstract
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This paper describes the modeling and control of energy recovery power battery testing system (PBTS) under charging mode, which was usually found in evaluating the performance of power battery used in electric vehicles. First, modeling of three-phase voltage source rectifier with step-down isolation transformer interface is put forward. An outer dc-link voltage loop combined with inner feed-forward power decoupling control loop PWM rectifier scheme is proposed, then, modeling of a non-isolating DC-DC buck chopper for charging test experiment is provided. Finally, combination of the two power circuit model as a wide range battery charging testing system is investigated. Simulation and experimental results are presented to support the theoretical analysis and to demonstrate the system performance. Copyright (C) 2012 Praise Worthy Prize S.r.l. - All rights reserved.
Keywords:
DC-DC Buck Chopper
Energy Recovery
Power Battery Testing System
PWM Rectifier
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