Abstract
This paper presents a novel approach for multi-machine systems transient stability control. The difference with other approaches is that the current proposal uses the SIngle Machine Equivalent (SIME) method to represent the multi-machine system dynamics by a corresponding One Machine Infinite Bus (OMIB) equivalent; such that by controlling the equivalent system transient stability, stability of the original multi-machine system is ensured. To control the transient stability of the equivalent system, a stability constraint that bounds the angular deviation of the sole OMIB equivalent rotor angular trajectory, at one specific integration step, is proposed. Based on this constraint, a transient stabilization is proposed by using a reformulated transient stability constrained optimum power flow (TSC-OPF). The prowess and main characteristics of the proposed approach are shown by means a numerical example.
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