STABILIZATION OF TRANSIENT PROCESSES IN POWER-SYSTEMS BY AN EIGENVALUE SHIFT APPROACH

A new approach to stabilize power system transient processes is presen ted. It uses the idea that left shifts of the dominant state matrix ei genvalues, computed along the integral trajectory, will provide better damping of the resulting transient processes. Those shifts are made b y varying the power system controllable parameters in the direction of maximal joist displacement of selected (dominant) eigenvalues. The ef fectiveness of the proposed technique is demonstrated by its applicati on to the problem of voltage stability control.