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Physical meaning of the Potier triangle based on the analysis of magnetic flux saturation

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2 Author(s)
Hikihara, T. ; Dept. of Electr. Eng., Kansai Univ., Osaka, Japan ; Okajima, T.

The physical meaning of Potier reactance, useful in describing the characteristics of a synchronous generator, and the Potier triangle, useful in obtaining this reactance, are discussed, based on experimental data. The air-gap flux densities in a generator and the terminal quantities are measured both in the no-load test and the zero power-factor test. These data are examined by means of a novel method for analysis of magnetic flux saturation. As a result, the physical meaning of the Potier triangle is obtained analytically. The physical meaning contributes to developing a more accurate model of a synchronous generator with saturation characteristics

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Magnetics, IEEE Transactions on  (Volume:24 ,  Issue: 5 )