Study of cost effective voltage control method for dual SEIGs

Abstract

The use of Self excited induction generators (SEIGs) often suffers from a common pessimistic reason of poor voltage regulation, which rules out the scope for utilizing the characteristic advantages of the machine in far flung areas. But with the advent of power electronic devices the generated voltage can be effectively controlled. Previous conventional strategy to control the voltage was by means of utilizing back to back converters. But this method suffers from the disadvantage of complex circuitry and increased cost. A cost effective control method has been studied for voltage control of dual SEIGs for low power generation in small industries and rural areas. SEIGs are taken in consideration because of their high availability in rural areas. The effects of various parameters are observed on the overall system. The method has advantages over the conventional method in terms of cost and easy controllability.

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