IEEE C37.119-2025

Detailinformationen

Bezeichnung: IEEE C37.119-2025

Ausgabedatum: 30.01.2026

Seiten: 89

Land: Internationale technische Norm

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Annotation

Revision Standard - Active.
Methods to protect a power system from faults that are not cleared because of failure of a power circuit breaker to operate or interrupt when called upon by a protective relay are described in this guide. The intent is to provide the reader with a guide on how to detect when a circuit breaker has failed to clear a fault and how to electrically isolate the fault after the circuit breaker has failed to clear it. Additionally, schemes that provide primary protection of the power system from performance failures of the power circuit breaker other than fault clearing failures such as failure to operate, either tripping or closing, manual or automatic, are also described. Such schemes, when applied, are typically integrated as a part of the overall breaker failure protection scheme. Also covered are recent practices that take advantage of new technologies.

ISBN: 979-8-8557-3021-0, 979-8-8557-3022-7
Number of Pages: 89
Product Code: STD28572, STDPD28572
Keywords: BFP, breaker failure, breaker failure protection, circuit breaker, fault, IEEE C37.119(TM), power system
Category: Protective Relaying