IEEE Transactions on Energy Conversion, Vol.22, No.2, 307-315, 2007
Analysis of operation of a self-excited induction generator with generalized impedance controller
In this paper, analysis of the operation of a stand-alone self-excited induction generator (SEIG) with generalized impedance controller (GIC) (voltage source pulsewidth-modulated bidirectional inverter with de link battery) has been discussed. Model of the SEIG along with the generalized impedance controller, has been developed in MATLAB/Simulink environment. The simulation results obtained for steady-state operation of the system, following speed and load perturbations have been presented here. The simulation results are validated with the experimental ones, which are conducted on a laboratory prototype of the SEIG-GIC system. The generalized impedance controller is found to be capable of maintaining the frequency of the SEIG constant under open-loop condition, following the speed and load perturbations.
Keywords:frequency controller and generalized impedance controller (GIC);self-excited induction generator (SEIG)