A Differential Voltage-Based Wide-Area Backup Protection Scheme for Transmission Network

This article proposes a differential voltage-based scheme to identify the faulted line in the transmission system. Initially, the placement of phasor measurement unit (PMU) is carried out. Based on the PMU placement, three subnetwork types are evaluated. Further, a differential voltage-based algorit...

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Vydané v:IEEE systems journal Ročník 16; číslo 1; s. 520 - 530
Hlavní autori: Shalini, Samantaray, Subhransu Ranjan
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: New York IEEE 01.03.2022
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Predmet:
Algorithms
Electric potential
Fault diagnosis
Faulted line identification (FLI)
Generators
Impedance
Indexes
Measuring instruments
phasor measurement unit (PMU) placement
Phasor measurement units
Phasors
Placement
Reactive power
Real time
stressed condition
synchrophasor
Voltage
Voltage measurement
wide-area backup protection
wide-area measurement (WAM)
ISSN:1932-8184, 1937-9234
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Shrnutí:This article proposes a differential voltage-based scheme to identify the faulted line in the transmission system. Initially, the placement of phasor measurement unit (PMU) is carried out. Based on the PMU placement, three subnetwork types are evaluated. Further, a differential voltage-based algorithm is applied to each subnetwork in a system. The tripping decisions for each dependent subnetwork are carried out in steps by providing separate timer settings for them. The load encroachment and fault conditions for a particular case is distinguished by applying modified distance relaying and sequence component-based algorithms to the proposed differential voltage-based scheme. Extensive tests are carried out for several fault and stressed conditions on a New England 39-bus system on MATLAB/Simulink platform. The proposed scheme is also validated for different test cases on a modified WSCC 9-bus system on real-time digital simulator platform for assessing its ability to perform in real time.
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content type line 14
ISSN:1932-8184
1937-9234
DOI:10.1109/JSYST.2021.3053623