Research Article Open Access

APPLYING THE EXPERIMENTAL DESIGN THEORY FOR ANALYZING SHORT CIRCUITS IN THE SELF-EXCITED INDUCTION GENERATOR STATOR WINDING

Abstract

When self-excited induction generator stator windings become faulty, there is a specific range of faulty turns within which the generator does not lose excitation and continues to operate with high current in winding turns. This may cause faults of the generator and the entire unit, since it is believed that the generator loses excitation in case of short circuit (SC), and the fault current stops. Obtaining the analytical dependency of faulty induction generator currents on the SC point location within the stator winding is related to a high number of factors and is complicated by the non-linearity of some characteristics. Applying the methods of the experimental design theory makes it possible to obtain algebraic expressions in the form that is adapted as much as possible to solve this task.

ALEKSANDER VLADIMIROVICH BOGDAN, ALEKSANDER NIKOLAEVICH SOBOL, OLEG VLADIMIROVICH GRIGORASH, ROBERT ALEKSANDROVICH AMERKHANOV AND VLADIMIR VALENTINOVICH TROPIN

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