NDLI: Optimal PMU arrangement considering limited channel capacity and transformer tap settings

Content Provider	IET Digital Library
Author	Manousakis, Nikolaos M. Korres, George N.
Abstract	The transition from the conventional power systems to smart grids has led to the modernisation of the measuring infrastructure used for their monitoring and control. Among the devices used to accomplish these tasks, phasor measurement units (PMUs) play a key role since they can provide extremely accurate synchronised voltage and current phasor measurements. The optimal PMU placement (OPP) problem, which focuses on minimising the number of PMUs for full system observability, has long been a popular research topic. The vast majority of the available OPP techniques have treated each transformer tap setting (voltage turns ratio and phase-shifting angle) as a fixed network parameter. Such an assumption can lead to misdirecting residuals in adjacent valid measurements when the modelled tap setting is incorrect. The aim of this study is to propose a substation-oriented OPP method based on a binary semidefinite programming algorithm, considering the observability of the transformer tap settings and the limited PMU channel capacity. The method is illustrated using an 8-bus test system. Numerical results using different size IEEE systems are presented and discussed. The proposed approach is further applied to the Polish 3120-bus system to show its efficacy in solving the OPP problem for large-scale power systems.
Starting Page	5984
Ending Page	5991
Page Count	8
ISSN	17518687
Volume Number	14
e-ISSN	17518695
Issue Number	Issue 24, Dec (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/14/24
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2019.1951
Journal	IET Generation, Transmission & Distribution
Publisher Date	2020-08-28
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	8-bus Test System Adjacent Valid Measurement Binary Semidefinite Programming Conventional Power System Current Phasor Measurement Extremely Accurate Synchronised Voltage IEEE System Large-scale Power System Limited Channel Capacity Mathematical Programming OPP Problem OPP Technique Optimal PMU Arrangement Optimal PMU Placement Problem Optimisation Technique Phase-shifting Angle Phasor Measurement Phasor Measurement Unit PMU Channel Capacity Polish 3120-bus System Power System Economics Power System Managemen Power System Measurement And Metering Power System Operation Power Transformer Smart Grid Smart Power Grid Substation-oriented OPP Method Substations System Observability Transformer And Reactors Transformer Tap Setting Voltage Turns Ratio
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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