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Nonlinear Salient Pole Alternator Subtrannsient Reactances and Damper Winding Currents

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2 Author(s)
Fuchs, E.F. ; Kraftwerk Union AG. ; Erdelyi, E.A.

In the subtransient analysis of salient pole alternators the reactances X11d and X11q are generally assumed to be constants. In saturated alternators these reactances are in reality functions of the pre-transient load and saturationix This gaper is an extension of former papers by Fuchs, et it dealing with steady state, and transient reactances. The methods used are the same as in [1] and [2] with the addition of damper windings effects. Notations not explained here are those of Concordia4 and of Fuchs3. The analysis is applied to a G. E. alternator with the following name-plate data: 82.5 MVA, 16.5 kV, wye-connected, 40 poles and 60 Hz, described in [1].

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Power Apparatus and Systems, IEEE Transactions on  (Volume:PAS-93 ,  Issue: 6 )