Treffer: Power quality solutions for effective utilization of single-phase induction generator using voltage source converter.

In this paper, the effective utilization of single-phase self-excited induction generator (SEIG) with improved power quality features with the help of voltage source converter (VSC) is presented. This generator works as an isolated single-phase distributed power generation system. In this case, the frequency and voltage control of induction generator feeding linear/nonlinear load is carried out using VSC under different operating characteristics. The power quality issues such as reactive power compensation, voltage regulation, harmonics reduction have been addressed. The VSC is operated by the reference current extracted from the distorted load current using adaptive theory-based Improved Linear Sinusoidal Tracer (ILST) control strategy for effective utilization and power quality as per IEEE-519 standards. Nevertheless, the design procedure of the excitation capacitor for self-excitation of the generator is also presented in detail. The design performance of SEIG is also validated through finite element method (FEM). The entire system comprising induction generator, nonlinear/linear load, and VSC along with ILST control algorithm are modeled in MATLAB/Simulink Library. The simulation performance is carried out under various operating conditions and found satisfactory. Also, the system prototype is developed in the laboratory for real-time performance analysis and validation. The results obtained are found satisfactory as per standard. [ABSTRACT FROM AUTHOR]

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