IEEE PC37.114

Annotation of standard text IEEE PC37.114 :

Revision Standard - Active - Draft.

Electrical faults on transmission and distribution lines are detected and isolated by system protective devices. Once the fault has been cleared, outage times can be reduced if the location of the fault can be determined more quickly. The techniques and application considerations for determining the location of a fault on ac transmission and distribution lines are outlined in this guide. Traditional approaches and the primary measurement techniques used in modern devices are reviewed: one- and two-terminal impedance-based methods and traveling-wave methods. Application considerations include: two- and three-terminal lines, series-compensated lines, parallel lines, untransposed lines, underground cables, fault resistance effects, and other power system conditions, including those unique to distribution systems.

ISBN: 979-8-8557-3760-8, 979-8-8557-3760-8

Number of Pages: 76

Product Code: STDUD29041, STDAPE29041

Keywords: fault location, IEEE C37.114™, relays, synchrophasor, system protection, travelling waves

Category: Protective Relaying

Draft Number: PC37.114/D3.7, Jul 2026 - UNAPPROVED DRAFT, PC37.114/D3.7, Jul 2026 - APPROVED DRAFT