Field-circuit evaluation of performance characteristics of a single-phase self-excited induction generator

The paper deals with a single-phase induction machine operating as a stand-alone self-excited single-phase induction generator for generation of electrical energy from renewably energy sources. By changing number of turns and size of wires in the auxiliary stator winding, considerable improvement of performance characteristics of the generator were obtained as regards no-load and load voltage of the stator windings as well as stator winding currents of the generator. Field-circuit simulation models of the generator were developed using Flux2D software package for parallel connected capacitor in the main stator winding. The obtained results have been validated experimentally at the laboratory setup using the single-phase capacitor induction motor of 1.1kW rated power and 230V voltage as a base model of the generator.