Photovoltaic assisted excitation control of 1-phase dual winding induction generator for wind-based microgeneration

Abstract

Off-grid power generation from renewable source like wind has been a topic of recent research. This paper proposes a simple control strategy for single phase, dual stator winding induction generator for grid secluded, domestic application. The induction generator consists of a control winding fed from a Photovoltaic (PV) panel and single phase inverter. A storage battery is used which adds to the reliability of the scheme. The load is fed from the power winding. The two windings are decoupled from each other which make the control flexible. The proposed control accounts for steady load voltage with constant frequency operation with change in loads or rotor speeds. The proposed generation scheme along with the control is made uncomplicated keeping in mind the cost requirement and effectiveness. Suitable simulation and experimental analysis sums up the viability of the proposed concept.