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Evaluation of Time Delay Intervals in the Wide-Area Damping Controller Design

Synchronized electrical measurements acquired with high sampling rates by Synchronized Phase Measurement Units (PMUs) from different locations in the Wide-Area Measurement Systems has shown promise in the design of central controllers or Wide-Area Damping Controller (WADC) whose purpose is to increase the damping rates of electromechanical modes. However, due to the different locations of the PMUs, different time delays may be present in the WADC communication channels. Motivated by this, this article proposes to evaluate how different time delay intervals interfere in the design of central damping controllers. Using an evolutionary approach called Marine Predators Algorithm, a statistical evaluation will be made in order to assess which time delay intervals provided the highest damping rates of the cyber-physical control system. A detailed case study procedure will be formulated and applied in the following system: IEEE 68-bus 5-area power system.