Abstract
In this paper, a new method for optimal phasor measurement unit (PMU) placements is proposed when considering system change. In the method, PMU, zero injection buses (ZIBs) and flow measurements are all considered. When the system changes, there are unobservable buses and new PMUs are needed to guarantee the observability of the system. However, it is not easy as a result of the application of ZIBs and flow measurements, as well as existing PMU and observable buses. In order to obtain PMU placements, all observable buses by not only PMU but also ZIBs and flow metable
asurements are obtained. In addition, all ZIBs and flow measurements, which can be used in the new system, are also obtained to reduce the number of new PMU. After that, the model considering observable buses, PMU, ZIBs and flow measurements is modified to obtain optimal PMU placements in the new system. The correctness and validity of the method are verified by the IEEE test system simulation.
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Wang, H. et al. (2022). Optimal PMU Placements Considering System Change. In: Jing, X., Ding, H., Wang, J. (eds) Advances in Applied Nonlinear Dynamics, Vibration and Control -2021. ICANDVC 2021. Lecture Notes in Electrical Engineering, vol 799. Springer, Singapore. https://doi.org/10.1007/978-981-16-5912-6_27
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DOI: https://doi.org/10.1007/978-981-16-5912-6_27
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