IEEE C37.114-2014
IEEE Guide for Determining Fault Location on AC Transmission and Distribution Lines
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- Language: English
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About This Item
IEEE C37.114-2014 is a technical guide for determining fault location on AC transmission and distribution lines, helping engineers interpret line events more accurately after a disturbance. It focuses on practical methods used in power system analysis, where quicker fault location can support restoration planning, reduce outage time, and improve maintenance efficiency. For utilities and related engineering teams, this standard offers a common reference for a complex task on overhead and other AC line systems.
Overview of IEEE C37.114-2014
This guide addresses fault location techniques for AC transmission and distribution lines, with attention to the electrical behavior that affects how faults are identified and narrowed down. IEEE C37.114-2014 is relevant to power, energy, and industrial electrical systems where line protection, monitoring, and post-event analysis are part of routine operations. It may be used alongside relay records, system measurements, and other engineering data to support more consistent fault interpretation across different line configurations and operating conditions.
Typical use cases
This standard is commonly consulted when a utility or engineering team needs to locate a fault on a transmission or distribution line after a trip, alarm, or disturbance. It is useful in protection engineering, outage investigation, and maintenance planning for AC lines serving substations, feeders, and long-distance corridors. IEEE C37.114-2014 may also support work involving relay-based records, disturbance analysis tools, and field crews tasked with confirming the likely faulted section before inspection or repair.
Why it matters
Accurate fault location can reduce the time needed to isolate damaged sections, direct crews efficiently, and restore service with less delay. IEEE C37.114-2014 helps create a more consistent approach to analysis, which is important when different teams or systems are involved in the same event. By supporting clearer engineering judgment and better use of recorded data, the guide can contribute to safer operations, improved maintenance decisions, and lower risk of repeated switching or unnecessary line patrols.
- AC transmission and distribution line fault location
- Protection and disturbance analysis support
- Relay record and event data interpretation
- Outage response and maintenance planning
- Engineering reference for utility line systems
- Publication Date: 2015
- Standard Status: Inactive
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications; Components, Circuits, Devices and Systems
- Official IEEE: Doi link
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