Optimal Placement of Phasor Measurement Unit for Better Power System Observability

K. Deebiga, A. Raqib Hussain

Abstract


Secure and reliable opertation of the grid requires real time monitoring and control of entire power system. Phasor measurement units (PMU) are being deployed for real time monitoring and analysis of power system. The most important factor to be considered in placement problem is observability of power system with minimum number of PMUs. This paper proposed an Integer Linear Programming (ILP) based optimization approach to minimize the number of PMUs in the network. The proposed work determines the number of PMUs and its placement, while maximizing the system observability in normal operating condition. In this paper modeling of zero-injection bus has been formulated to reduce the number of PMUs further. Simulations are carried out in Standard IEEE 14 and IEEE 30 bus system, the results indicate the ILP approach determines the minimum number of PMUs and improves Observabiltity of the Power System.

 

DOI:  http://dx.doi.org/10.11591/telkomnika.v14i2.7605 


Keywords


Phasor Measurement Units (PMU); Zero Injection Constraints; Optimal placement; Integer Linear Programming (ILP)

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