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Phasor Measurement Unit and Its Application in Modern Power Systems

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Emerging Techniques in Power System Analysis

Abstract

The introduction of phasor measurement units (PMUs) in power systems significantly improves the possibilities for monitoring and analyzing power system dynamics. Synchronized measurements make it possible to directly measure phase angles between corresponding phasors in different locations within the power system. Improved monitoring and remedial action capabilities allow network operators to utilize the existing power system in a more efficient way. Improved information allows fast and reliable emergency actions, which reduces the need for relatively high transmission margins required by potential power system disturbances. In this chapter, the applications of PMU in modern power systems are presented. Specifically, the topics touched in this chapter include state estimation, voltage and transient stability, oscillation monitoring, event and fault detection, situation awareness, and model validation. A case study using the Characteristic Ellipsoid method based on the PMU measurements to monitor power system dynamics is presented.

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Authors
  1. Jian Ma
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  2. Yuri Makarov
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  3. Zhaoyang Dong
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Ma, J., Makarov, Y., Dong, Z. (2010). Phasor Measurement Unit and Its Application in Modern Power Systems. In: Emerging Techniques in Power System Analysis. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-04282-9_6

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  • DOI: https://doi.org/10.1007/978-3-642-04282-9_6

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