DocumentCode
826494
Title
Investigation of magnetizing inrush current in transformers. I. Numerical simulation
Author
Lin, C.E. ; Cheng, C.L. ; Huang, C.L. ; Yeh, J.-C.
Author_Institution
Cheng Kung Univ., Tainan, Taiwan
Volume
8
Issue
1
fYear
1993
fDate
1/1/1993 12:00:00 AM
Firstpage
246
Lastpage
254
Abstract
A simple method for simulating magnetizing inrush currents in power transformers using real-time measurements is proposed. The method is based on a simplified model for representing the inrush current under different loading conditions. A digital simulation method using a PC-AT microcomputer is also proposed. Transformer operating conditions, including transformer loading power factors, switching-on angles, and remanent flux, are included. The simulation result show very good agreement with experiment results
Keywords
digital simulation; magnetisation; microcomputer applications; power engineering computing; power factor; power transformers; PC-AT microcomputer; digital simulation; magnetisation; magnetizing inrush current; power factors; power transformers; real-time measurements; remanent flux; switching angles; Hysteresis; Magnetic analysis; Magnetic flux; Numerical simulation; Power system modeling; Power system protection; Power system simulation; Saturation magnetization; Surge protection; Transformer cores;
fLanguage
English
Journal_Title
Power Delivery, IEEE Transactions on
Publisher
ieee
ISSN
0885-8977
Type
jour
DOI
10.1109/61.180343
Filename
180343
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