NDLI: Study on Non Contact Automatic on-Load Voltage Regulating Distributing Transformer Based on Solid State Relay

Content Provider	IEEE Xplore Digital Library
Author	Zhao-Yulin Dong-Shoutian Li-Jiahui Yao-Xin Zheng-Na Liu-Xueli
Copyright Year	2006
Description	Author affiliation: Northeast Agric. Univ., Harbin (Zhao-Yulin; Dong-Shoutian)
Abstract	Automatic on-load voltage regulation of transformer is an effective method to stabilize load voltage. Mechanic contact tap changing switch is not adequate for distributing transformer because of its high cost and low capability. The paper presents the structure and automatic on-load voltage regulating principle of distributing transformer, which employs solid state relay as non contact automatic on-load voltage regulating tap changing switch. The generation mechanism and limiting measure of circular current that is occurred in the process of switching tap joint and the harmonic suppressing method are also introduced. By theoretical analysis and experimental verification, it is concluded that it has different occurring process of circular current when voltage is regulated to higher or lower value. And it is proved that the application of power electronic component in on-load voltage regulation can not generate harmonic. The sample has run for 3 months in power network. It achieves good result. And it can meet the demand for system running
Sponsorship	China Electrotechnical Soc. IEEE Power Electron. Soc
Starting Page	1
Ending Page	5
File Size	346307
Page Count	5
File Format	PDF
ISBN	1424404487
DOI	10.1109/IPEMC.2006.4778031
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-08-14
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Solid state circuits Relays Switches Contacts Voltage control Costs Current measurement Power electronics Power generation Power system harmonics non contact distributing transformer solid state relay on-load voltage regulation automatic control tap joint
Content Type	Text
Resource Type	Article

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Study on Non Contact Automatic on-Load Voltage Regulating Distributing Transformer Based on Solid State Relay

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