NDLI: A study on the line-interactive UPS using the series voltage compensator

Content Provider	IEEE Xplore Digital Library
Author	Taeck-Kie Lee Woo-Cheol Lee Hoon Jang Dong-Seok Hyun
Copyright Year	2002
Description	Author affiliation: Dept. of Electr. Eng., Hankyong Nat. Univ., Kyonggi-do, South Korea (Taeck-Kie Lee; Woo-Cheol Lee)
Abstract	This paper presents a three-phase line-interactive uninterruptible power supply (UPS) system with series-parallel active power-line conditioning capabilities, using synchronous reference frame (SRF) based controller, which allows an effective power factor correction, source harmonic voltage compensation, load harmonic current suppression and output voltage regulation. The three-phase UPS system consists of two active power compensator topologies. One is a series active compensator, which works as a voltage source in phase with the source voltage to have the sinusoidal source current and high power factor under the deviation and distortion of the source voltage. The other is a parallel active compensator, which works as a conventional sinusoidal voltage source in phase with the source voltage, providing to the load a regulated and sinusoidal voltage with low total harmonic distortion (THD). The control algorithm using SRF method and the active power flow through the line-interactive UPS systems are described and analytically studied. The simulation results are depicted in this paper to show the effect of the proposed algorithms.
Sponsorship	IEEE ice SICE Univ. Sevilla
Starting Page	733
Ending Page	738
File Size	584808
Page Count	6
File Format	PDF
ISBN	0780374746
DOI	10.1109/IECON.2002.1187598
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-11-05
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Uninterruptible power systems Voltage control Control systems Power system harmonics Power factor correction Topology Reactive power Phase distortion Low voltage Total harmonic distortion
Content Type	Text
Resource Type	Article

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