Abstract
This paper presents an optimization based scheme to derive the maxi-mum power transmission capability of a self-excited six-phase inductiongenerator (SPIG). For execution of this proposed scheme, an easy andstraight forward method has been developed here for figuring out themaximum amount of power which can be transmitted by SPIG consid-ering different functional conditions. An optimization based problem isformulated with the help of multi-variable constraint, for finding out themaximum power transmission capability of SPIG. The total impedance ofSPIG, calculated from its equivalent circuit, is considered as the objec-tive function. Fmincon optimization toolbox of MATLAB has been usedto solve this numerical based problem. The critical power and the max-imum power transmission capability have been investigated for varia-tions of capacitor, load power factor and speed. The power transmis-sion capability of SPIG directly depends on the factors like machineparameters, rotor speed, power factor of the load and the capacitance value of self-excitation. From the analysis of the simulated results, it isfound that the performance of SPIG is satisfactory for various operatingconditions.
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