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- Title
A measurement technique for direct axis and quadrature axis magnetic characteristics in a projected pole (stationary field type) synchronous machine.
- Authors
Basha, SI Manjur; Xavier, R Joseph; Jeyakumar, A Ebenezer
- Abstract
The magnetic characteristics of a projected pole stationary field type synchronous machine are important in design and performance studies though they differ along direct axis (d-axis) and quadrature axis (q-axis). It is difficult to determine the q-axis magnetic characteristics, whereas the determination of d-axis magnetic characteristics can be done by performing an open-circuit characteristics test on the machine. In order to estimate both the d–q axes magnetic characteristics by a direct method, various flux measurement techniques such as the moving coil flux meter, ballistic galvanometer, magneto resistance flux meter, Hall effect flux meter and solid-state diode-flux meter have been analysed. A novel approach of using germanium diodes as flux sensors is proposed in this work to determine experimentally the d–q axes magnetic characteristics. The implementation of hardware, experimental investigations and the results are presented here. Furthermore, the merits and applications of the proposed method are also discussed.
- Subjects
MEASUREMENT; SYNCHRONOUS electric motors; PERFORMANCE evaluation; NUMERICAL integration; GERMANIUM diodes; DETECTORS; GALVANOMETER
- Publication
Transactions of the Institute of Measurement & Control, 2012, Vol 34, Issue 4, p401
- ISSN
0142-3312
- Publication type
Article
- DOI
10.1177/0142331210384647