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Strategic Placement of Phasor Measurements for Parameter Error Identification

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2 Author(s)
Liuxi Zhang ; Dept. of Electr. & Comput. Eng., Northeastern Univ., Boston, MA, USA ; Abur, A.

Previous work on parameter error identification based on normalized Lagrange multipliers has shown that the errors in parameters of branches constituting single- or double-edge cutsets could not be detected or identified without incorporating phasor measurements. In order to address this deficiency, a computationally efficient algorithm has been developed to identify all such cutsets and documented in a recent paper. This paper builds on that work and formulates a strategic phasor measurement placement problem whose objective is to ensure detectability and identifiability of all network parameters in a given system. A practical solution is developed for this problem and simulation results for IEEE 14-, 30- and 57-bus test systems are provided to illustrate its implementation.

Published in:

Power Systems, IEEE Transactions on  (Volume:28 ,  Issue: 1 )