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IEEE C37.09b-2010

IEEE Standard Test Procedure for AC High-Voltage Circuit Breakers Rated on a Symmetrical Current Basis
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IEEE C37.09b-2010

IEEE Standard Test Procedure for AC High-Voltage Circuit Breakers Rated on a Symmetrical Current Basis

PUBLISH DATE 2011
PAGES 18
IEEE C37.09b-2010

Amendment Standard - Superseded.

The descriptions of the standard transient recovery voltage (TRV) envelopes and ratings are changed in this amendment. This is applicable for ac high-voltage circuit breakers rated above 1000 V and on a symmetrical current basis.

The capability limits of these circuit breakers are determined to a major degree by the TRV. The revised descriptions of TRV bring the TRV requirements in IEEE standards into harmony with the TRV requirements in IEC standards that apply to the same type and class of equipment.

The TRV revisions addressed in this amendment to IEEE Std C37.09-1999 are described in amendment IEEE Std C37.04b-2008.

This revision harmonizes the IEEE requirements for transient recovery voltage during power tests with those in IEC 62271-100.

This is a continuation of an effort to harmonize requirements in the IEEE standards with those of IEC that first began in the 1950s.

Broadly speaking, the functional requirements to be demonstrated in power testing are changed only slightly, whereas the manner in which the requirements are represented graphically is simplified considerably.

SDO IEEE: Institute of Electrical and Electronics Engineers
Document Number C37.09
Publication Date May 13, 2011
Language en - English
Page Count 18
Revision Level b
Supercedes
Committee Switchgear
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