Abstract
This paper proposes a control scheme that enhances both the power quality and voltage synchronization of the Self-Excited Induction Generator (SEIG) driven by a wind turbine supplying power to a remote region. A reactive power constraint of SEIG under load disturbances is balanced by a modified Second-Order Generalized Integrator (SOGI) with Fuzzy Logical Controller (FLC) controlled Quasi-Impedance (QZ) source network-based Static Compensator (STATCOM). The combination of STATCOM and the photovoltaic system, battery and flywheel enhances the active power potential of conventional STATCOMs by means of a hybridized STATCOM system. This system is intended for the optimum use of energy generated from renewable energy sources by physical energy storage systems such as flywheels and batteries. This tends to compensate for the deviation of both active and reactive power and hence increase in active power, reliability and system stability. For analyzing device behavior, the dynamic hybrid STATCOM model with FLC dependent ESOGI has been developed. In standalone operation, simulated and experimental findings indicate the increased capability and system efficiency under variable load conditions.
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