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A Simple Method to Improve the Dynamic Response of Single-Phase PWM Rectifiers

Ghosh, Rajesh and Narayanan, G (2008) A Simple Method to Improve the Dynamic Response of Single-Phase PWM Rectifiers. In: IEEE Transactions On Industrial Electronics, 55 (10). pp. 3627-3634.

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Abstract

A single-phase boost rectifier system with conventional low-bandwidth voltage loop exhibits poor dynamic response. A simple method is presented to improve the dynamic response of the rectifier without affecting its steady-state performance. A fast voltage controller is used to improve the dynamic response of the rectifier. The increased low-frequency ripple at the output of the voltage controller is filtered out using a new filter. Design methodology for the voltage loop is presented. The filter is simple enough for analog and digital implementations. Low input current distortion, fast voltage-loo response, and improved dynamic response against line and load disturbances are demonstrated experimentally on a 300-W digitally controlled boost rectifier operating at a switching frequency of 100 kHz.

Item Type: Journal Article
Additional Information: Copyright for this article belongs IEEE
Keywords: AC-DC power conversion; boost rectifier; current control; digital control; dynamic response
Department/Centre: Division of Electrical Sciences > Electrical Engineering
Date Deposited: 26 Dec 2008 11:14
Last Modified: 19 Sep 2010 04:51
URI: http://eprints.iisc.ernet.in/id/eprint/16417

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