Optimal Placement of PMU Considering Practical Costs in Wide Area Network

Abstract

The Phasor Measurement Units (PMU) being a prime component of wide area monitoring system (WAMS) helps in numerous ways for proper supervision and control of power system. The infrastructure of synchrophasor measurement is costly and needs suitable planning before deployment. This paper investigates for a cost effective solution for synchrophasor infrastructure with PMUs and dual use line relays (DULR). To solve the optimal PMU placement (OPP) problem a new approach Binary Symbiotic Organism Search (BSOS) has been proposed that assures the maximum measurement redundancy too. The proposed BSOS has been also extended to find OPP solution considering measurement channel limitation of PMUs. The proposed binary structure has not been implemented before to solve OPP problems. The realistic cost studies with PMU and DULR for different combinations have been evaluated with IEEE 14-bus, 30-bus, and 118-bus test systems. This paper proposes a techno-economical solution for real-world OPP problems.