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[2, 2008] 

Journal of Electrical Engineering, Vol 59, 2 (2008) 75-80

SYNCHRONOUS MACHINE PARAMETER ESTIMATION BY STANDSTILL FREQUENCY RESPONSE TESTS

Mourad Hasni - Omar Touhami - Rachid Ibtiouen - Maurice Fadel - Stéphane Caux

   This paper presents the steps of the approach to identify the linear parameters of a salient-pole synchronous machine at standstill and by frequency response tests data (SSFR). It is currently established and demonstrated that stability parameters for synchronous machines can be obtained by performing frequency response tests with the machine at standstill. The objective of this study is to use several input-output signals, according to a setup test recommended by the standard IEEE Std 115, to identify the model structure and parameters of a salient-pole synchronous machine from frequency response tests data. This procedure consists of defining and conducting the frequency response tests, identifying the model structure, estimating the corresponding parameters, and making valid the resulting model. We estimate the parameters of operational impedances, or in other terms, the reactances and the time constants. The results are presented from tests on the synchronous machine of 1.5 kVA/380V/1500 rpm.

Keywords: synchronous machine, parameter estimation, modeling, standstill tests, frequency response


[full-paper]


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