Abstract
The three-dimensional (3D) open boundary eddy current field induced by heavy current flowing in the coils and winding leads in large power transformers is calculated. The eddy current loss and local overheating problem in the tank wall and in the ascending flange of bushings are analyzed and reported in this paper. The effectiveness of a magnetic by-pass plate near the coil ends for reducing the eddy current loss and local overheating in the clamp plates is discussed.
Original language | English |
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Title of host publication | 2008 Joint International Conference on Power System Technology POWERCON and IEEE Power India Conference, POWERCON 2008 |
DOIs | |
Publication status | Published - 1 Dec 2008 |
Event | 2008 Joint International Conference on Power System Technology POWERCON and IEEE Power India Conference, POWERCON 2008 - New Delhi, India Duration: 12 Oct 2008 → 15 Oct 2008 |
Conference
Conference | 2008 Joint International Conference on Power System Technology POWERCON and IEEE Power India Conference, POWERCON 2008 |
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Country/Territory | India |
City | New Delhi |
Period | 12/10/08 → 15/10/08 |
Keywords
- Index Terms-Eddy current field
- Loss
- Power transformer
ASJC Scopus subject areas
- Energy Engineering and Power Technology
- Electrical and Electronic Engineering