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An algebraic approach for identifying operating point dependent parameters of synchronous machines using orthogonal series expansions

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5 Author(s)
Melgoza, J.J.R. ; Michoacan Univ., Morelia, Mexico ; Heydt, G.T. ; Keyhani, A. ; Agrawal, B.L.
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This paper presents a method for identifying armature and field parameters of synchronous machines from digital fault recorder (DFR) data. The method uses operational properties of orthogonal series expansions such as the Hartley, Walsh and Fourier series to transform a set of differential equations into linear algebraic equations. The algebraic formulation and use of operational calculus reduce the problem of identifying parameters to the manipulation of matrices that may be easily performed in such computational packages as Matlab. The variation of machine parameters with operating point is considered

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Energy Conversion, IEEE Transactions on  (Volume:16 ,  Issue: 1 )