Assessment of excitation capacitance for a multiphase isolated self-excited induction generator for power generation
by Alok Kumar Mohanty; Krishna Bihari Yadav
International Journal of Power Electronics (IJPELEC), Vol. 8, No. 2, 2017

Abstract: Self-excited induction generators are used in remote places for electrical power generation from both conventional as well as non-conventional sources. An induction generator can operate as a capacitor-excited machine, provided the machine is driven beyond synchronous speed and a suitable capacitor is connected across its terminals. In this paper, a technique has been proposed to estimate the values of excitation capacitances to maintain desired terminal voltages in a multiphase induction generator. A mathematical model using nodal admittance technique of a six-phase induction generator has been analysed. Genetic algorithm technique is applied here to obtain the unknown parameters and the capacitance requirements to obtain desired terminal voltages under various operating conditions.

Online publication date: Wed, 15-Mar-2017

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