A universal conditioner with optimized system performance |
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| Authors: | Liao Bin P C Loh S Elangovan |
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| Affiliation: | (1) Power System Lab, Department of Electrical and Computer Engineering, National University of Singapore, 10 Kent Ridge Crescent, Singapore 119260 e-mail: engp9534@nus.edu.sg, SG;(2) Department of Electrical and Computer Systems Engineering, Monash University, Wellington Road, Clayton, Victoria 3168, Australia, AU |
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| Abstract: | Recent years have seen the development of various power electronic conditioners with rapid advancements in their topological
layouts and control algorithms. The examples are active power filters (APFs), fault current limiters (FCLs) and uninterruptible
power supplies (UPSs). There is, however, a lack of international research attention on the integration of the various merits
of the different classes of power conditioners to form a universal system that provides appropriate power compensation to
utility systems under various disturbance conditions. The paper therefore attempts to integrate the harmonic current compensation
of an APF when supplying non-linear loads, the fault current limiting and the bus voltage enhancement capabilities of a FCL,
and the voltage regulation and backup power supply features of a UPS to form a universal power conditioner which significantly
enhances the quality of power supplied under various system conditions.
Received: 2 November 2001/Accepted: 22 December 2001 |
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| Keywords: | Active power filters Fault current limiters Uninterruptible power supplies Universal power conditioner |
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