Stand-alone self-excited induction generator driven by a wind turbine

Abstract

This publication aims to develop a wind generator (WG) for rural electrification. The WG is equipped by a 1.5 kW self excited induction generator (SEIG) coupled to wind turbine, a bank of capacitors and a variable inductor. The controlled voltage source is performed by using a controller, which adjusts voltage by varying the amount of injected reactive power. An experimental work was done to design size and implement the WG, to alleviate the problem of voltage regulation and to minimize the starting up time of SEIG and fixing the convenient margin of voltage. Many tests are done to define SEIG parameters and to select the convenient bank of capacitors or a variable inductor. A controller is used to meet the requirement of the SEIG frequency regulation. Keywords: Wind generator, SEIG, Capacitor bank, Variable inductor, Voltage and frequency regulation