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Application of evolutionary programming in the assessment of dynamic stability

This paper presents Evolutionary Programming (EP) based optimization technique for estimating synchronizing torque coefficients, Ks and damping torque coefficients, Kd of a synchronous machine. These coefficients are used to identify the angle stability of a system. Initially, a Simulink model was utilized to generate the time domain response of rotor angle under various loading conditions. EP was then implemented to optimize the values of Ks and Kd within the same loading conditions. Validation with respect to eigenvalues determination confirmed that the proposed technique is feasible to solve the angle stability problems.