High impedance fault detection implementation issues
- Texas A and M Univ., College Station, TX (United States)
- Rochester Gas and Electric, NY (United States)
Faults on distributions circuits are normally detected by simple overcurrent relays. Faults through a high impedance such as dry earth or asphalt do not have sufficient current to operate overcurrent relays and must be cleared manually. Such high impedance faults may pose a hazard to the public. Equipment is now commercially available to detect a high percentage of high impedance faults, but use of this equipment introduces operational issues which affect applications. This paper discusses technical as well as non-technical issues associated with applying high impedance fault detectors. Recognizing all the issues is important to the effective implementation of these new fault detecting techniques.
- OSTI ID:
- 218294
- Report Number(s):
- CONF-950103--
- Journal Information:
- IEEE Transactions on Power Delivery, Journal Name: IEEE Transactions on Power Delivery Journal Issue: 1 Vol. 11; ISSN 0885-8977; ISSN ITPDE5
- Country of Publication:
- United States
- Language:
- English
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