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Parallel power quality compensation in modern buildings
Ning-Yi Dai1; Sio-Un Tai1; Man-Chung Wong1; Ying-Duo Han1,2
2004
Conference Name1st International Conference on Power Electronics Systems and Applications
Source Publication2004 1st International Conference on Power Electronics Systems and Applications Proceedings
Pages54-60
Conference Date9-11 Nov. 2004
Conference PlaceHong Kong
CountryChina
Author of SourcePower Elect Res Ctr, Hong Kong Polytech Univ; HKSAR Govt; Artesyn Technol; Hong Kong Polytech Univ, Fac Engn; Hong Kong Polytech Univ, Dept EE
PublisherHONG KONG POLYTECHNIC UNIV, YUK CHOI RD, HUNG HOM, KOWLOON, PEOPLES R CHINA
Abstract

Power quality monitoring results of a modern building is presented and evaluated in this paper. Excessive current quality problems are detected, which is caused by large numbers of nonlinear loads, such as PCs, printers and TVs, in the building. In order to suppress the current harmonics and the neutral current, parallel power quality compensators should be applied. The two voltage source inverter topologies for 3-phase 4-wire compensators are compared in this paper. Results indicate that the four-leg inverter can double the neutral current compensation capability. But its phase current harmonics compensation capability is the same as three-leg center-split inverter. The initial cost and control complexity of the two kinds of inverter are compared both in 2-level and in 3-level system. And a 3-phase 4-wire parallel power quality compensator prototype is implemented. Experimental results are given to show that the current harmonics and neutral current can be compensated simultaneously.

Keyword3-phase 4-wire System Parallel Power Quality Compensator Power Quality
URLView the original
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Electrical & Electronic
WOS IDWOS:000227668500006
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Cited Times [WOS]:2   [WOS Record]     [Related Records in WOS]
Document TypeConference paper
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Affiliation1.Faculty of Science and Technology, University of Macau, Macau, SAR, P.R. China
2.Department of Electrical Engineering, Tsinghua University, Beijing, P.R. China
First Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Ning-Yi Dai,Sio-Un Tai,Man-Chung Wong,et al. Parallel power quality compensation in modern buildings[C]//Power Elect Res Ctr, Hong Kong Polytech Univ; HKSAR Govt; Artesyn Technol; Hong Kong Polytech Univ, Fac Engn; Hong Kong Polytech Univ, Dept EE:HONG KONG POLYTECHNIC UNIV, YUK CHOI RD, HUNG HOM, KOWLOON, PEOPLES R CHINA,2004:54-60.
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