Optimal PMU placement in a distribution network considering network reconfiguration

Now-a-days, phasor measurement units (PMUs) are essential devices in the modern distribution system, especially, in the way towards smart grid. The PMUs should be installed suitably in the distribution network. The problem of optimal PMU placement for full observability is analyzed in the literature. Distribution network reconfiguration for loss reduction is also analyzed in the literature. This paper studies the placement problem of PMUs in distribution system considering the system reconfiguration. System reconfiguration is achieved using the ant colony optimization method to solve the minimum power losses problem. Greedy algorithm is used as an optimization tool to determine the minimal number of PMUs and their locations. The 33-bus distribution system is studied for optimal installation of PMUs with different distribution network topologies.

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