IEEE C37.09b-2010
Amendment 2: To Change the Description of Transient Recovery Voltage for Harmonization with IEC 62271-100
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About This Item
C37.09b-2010 is a technical amendment to the C37.09 standard that changes the description of transient recovery voltage for harmonization with IEC 62271-100. In the context of power, energy, and industrial applications, it helps align terminology and expectations for interrupting performance, especially where circuit-breaker ratings and system recovery conditions are evaluated. For engineers, test teams, and procurement workflows, C37.09b-2010 supports clearer specification and more consistent comparison of equipment behavior.
What is C37.09b-2010?
This document is an amendment focused on the way transient recovery voltage is described within the broader C37.09 framework. It is relevant to electrical apparatus and systems where interruption and insulation performance depend on precise voltage recovery characteristics after current interruption. By harmonizing the wording with IEC 62271-100, C37.09b-2010 helps reduce interpretation differences in technical requirements, test descriptions, and rating discussions for switching equipment used in power system applications.
Where is C37.09b-2010 used?
C37.09b-2010 is typically used in the specification and evaluation of high-voltage switching equipment, especially circuit breakers and related interruption assemblies. It is most useful in engineering documents, compliance reviews, and test planning for utility networks, substations, and industrial power distribution systems. When transient recovery voltage must be described consistently, C37.09b-2010 can help align supplier documentation, design checks, and performance comparisons across equipment selected for demanding power applications.
Why is C37.09b-2010 important?
Accurate wording matters when a standard affects interruption performance, system ratings, and test interpretation. C37.09b-2010 supports consistency in how transient recovery voltage is defined, which can reduce ambiguity during design review, type testing, and procurement. For teams working with power switching equipment, this helps improve compliance checks and lowers the risk of mismatched assumptions between specifications, test reports, and product documentation. It is especially valuable where harmonization with IEC terminology is needed.
- Transient recovery voltage wording
- Harmonization with IEC 62271-100
- Circuit-breaker interruption context
- Power system test and rating references
- Superseded technical amendment
- Publication Date: 2011
- Standard Status: Superseded
- Publisher: IEEE
- Subject: Power, Energy and Industry Applications; Components, Circuits, Devices and Systems
- Official IEEE: Doi link
- New Version Available: C37.09 (2021)
- Previous Version: C37.09 (2019)
- This Version: C37.09 (2011)
- Previous Version: C37.09 (2007)
- Previous Version: C37.09 (2005)
- Previous Version: C37.09 (2000)
- Previous Version: C37.09 (1991)
- Previous Version: C37.09 (1991)
- Previous Version: C37.09 (1985)
- Previous Version: C37.09 (1984)
- Previous Version: C37.09 (1980)
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