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ABSTRACT
Theoretical steady state and transient characteristics of an asynchronised synclironous ( a.s.) generator, having excitation with full compensation for the emf induced in the field windings, are presented. Also transient characteristics of an a.s. generator, having excitation with field current feedback and slip feedback, are presented taking into consideration the ceiling voltage of the exciter
Finally a novel experimental excitation scheme using cyclo-converters and field current feedback is described, using which the steady state power, reactive power versus torque angle curves of a laboratory a.s. generator are obtained for the entire range ( 0 - 180° elec) of the torque angle at synchronous speed.