IEEE C37.012a:2020

IEEE C37.012a:2020

IEEE Guide for the Application of Capacitance Current Switching for AC High-Voltage Circuit Breakers Above 1000 V Amendment 1

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Amendment Standard - Active.
Covered in this amendment are changes in di/dt limitations for non-oil circuit breakers. A section has been added describing possible delayed current zeros when doing a rapid close—open of a line circuit breaker (CO) when shunt reactors are connected to a line or cable. Some minor errors have been corrected and references have been updated.

This document revises the application guide for capacitance current switching for high-voltage circuit breakers rated in accordance with IEEE Std C37.04(TM) 1 and listed in IEEE Std C37.06(TM). It supplements IEEE Std C37.010(TM). Circuit breakers rated and manufactured to meet other standards should be applied in accordance with application procedures adapted to their specific ratings.
This guide is intended for general use in the application of circuit breakers for capacitance current switching. Familiarity with other US national standards applying to circuit breakers is assumed, and provisions of those standards are indicated in this guide only when necessary for clarity in describing application requirements.

Additional Info

Author Institute of Electrical and Electronics Engineers (IEEE)
Committee Switchgear
Published by IEEE
Document type Norms amendments
Edition
EAN ISBN 978-1-5044-6762-9
ICS 29.120.40 : Switches
Number of pages 29
Modify IEEE C37.012:2014
Keyword IEEE C37.012a-2020
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