General optimal substation coverage algorithm for phasor measurement unit placement in practical systems

The primary objective of the conventional optimal phasor measurement unit (PMU) placement problem is the minimisation of the number of PMU devices that, when placed in a power system, measure all bus voltages. However, due to advancements in the field of relay technology, digital relays can now act...

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Veröffentlicht in:IET generation, transmission & distribution Jg. 11; H. 2; S. 347 - 353
Hauptverfasser: Pal, Anamitra, Mishra, Chetan, Vullikanti, Anil Kumar S, Ravi, S.S
Format: Journal Article
Sprache:Englisch
Veröffentlicht: United States The Institution of Engineering and Technology 26.01.2017
Institution of Engineering and Technology
Schlagworte:
Algorithms
bus voltage measurement
Buses (vehicles)
critical element measurement
Devices
digital relay
dual‐use line relay PMU
Engineering
general optimal substation coverage algorithm
GOSC algorithm
minimisation
optimal PMU placement problem
Optimization
phasor measurement
phasor measurement unit placement
Phasors
Placement
PMU device number minimisation
Relay
relays
Substations
techno‐economic benefit
GOSC algorithm
relays
general optimal substation coverage algorithm
PMU device number minimisation
bus voltage measurement
critical element measurement
substations
techno-economic benefit
phasor measurement unit placement
dual-use line relay PMU
phasor measurement
minimisation
digital relay
optimal PMU placement problem
ISSN:1751-8687, 1751-8695
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Beschreibung
Zusammenfassung:The primary objective of the conventional optimal phasor measurement unit (PMU) placement problem is the minimisation of the number of PMU devices that, when placed in a power system, measure all bus voltages. However, due to advancements in the field of relay technology, digital relays can now act as PMUs. This has significantly reduced device costs. Moreover, although the goal is to observe all the buses, the devices themselves can only be placed in substations, whose upgrade costs are much higher than those of the devices. Considering these factors, the approach proposed here simultaneously optimises the number of substations where traditional PMUs and dual-use line relay PMUs can be placed. The general optimal substation coverage (GOSC) algorithm presented in this study is also able to incorporate practical requirements such as redundancy in the measurement of critical elements of the system, and estimation of the tap ratios of the transformers present. Simulation results indicate that the GOSC algorithm provides significant techno-economic benefits.
Bibliographie:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
USDOE Office of Science (SC)
SC0003957
ISSN:1751-8687
1751-8695
DOI:10.1049/iet-gtd.2016.0553