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Measurement placement algorithms for state estimation when the number of phasor measurements by each PMU is limited

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4 Author(s)
Hurtgen, M. ; Univ. Libre de Bruxelles, Brussels ; Praks, P. ; Maun, J.-C. ; Zajac, P.

It is essential for Energy Management Systems (EMS) applications and control centre technologies that the measurements allow monitoring of the power system. An important tool for the EMS is state estimation which makes it possible to estimate the state variables of the power system based on these measurements. The measurements should allow observability of the power system which means they can be used to describe the system. The objective of the paper is to develop an algorithm for placement of PMUs in order to make the system observable. The novelty is that a limit on the number of measurements each PMU can make is introduced. The number of PMUs needed to make the network observable will therefore depend on the maximum number of measurements each PMU can make. The algorithm is tested on three IEEE test networks.

Published in:

Universities Power Engineering Conference, 2008. UPEC 2008. 43rd International

Date of Conference:

1-4 Sept. 2008