Selection and application of relay protection for six phase demonstration project

The protection and control requirements needed for a 115 kV line after it was reconfigured to operate as a single-circuit six-phase line as part of a high-phase-order demonstration project are discussed. Addressed are the required modification and/or additions needed for the existing protection and...

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Bibliographic Details
Published in:IEEE transactions on power delivery 1992-10, Vol.7 (4), p.1900-1911
Main Authors: Rebbapragada, R.V., Panke, H., Pierce, H.J., Stewart, J.R., Oppel, L.J.
Format: Article
Language:English
Subjects:
240100 - Power Systems- (1990-)
240300 - Power Transmission Lines & Cables- (1990-)
Applied sciences
Circuit faults
CONTROL EQUIPMENT
DEMONSTRATION PROGRAMS
DESIGN
Digital relays
Disturbances. Regulation. Protection
Electrical engineering. Electrical power engineering
ELECTRICAL EQUIPMENT
Electrical power engineering
Exact sciences and technology
ON-LINE MEASUREMENT SYSTEMS
ON-LINE SYSTEMS
Optimal control
OPTIMIZATION
PLANNING
Power networks and lines
Power system protection
POWER SYSTEMS
POWER TRANSMISSION AND DISTRIBUTION
POWER TRANSMISSION LINES
Protective relaying
RELAYS
RELIABILITY
Substation protection
Transformers
WIRES
Wiring
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Description
Summary:The protection and control requirements needed for a 115 kV line after it was reconfigured to operate as a single-circuit six-phase line as part of a high-phase-order demonstration project are discussed. Addressed are the required modification and/or additions needed for the existing protection and control equipment. The criteria selected for the protection of the transmission line are described, including the transformers required for six-phase reconfiguration. The commercially available digital protection systems applicable to the protection of the line and their limitations are reviewed. Requirements for protection and control panels, their location for optimal wiring, and facilities to perform tests and measurements are also covered.< >
ISSN:0885-8977
1937-4208
DOI:10.1109/61.156993