IEEE Std C37.012a-2020
IEEE Guide for the Application of Capacitance Current Switching for AC High-Voltage Circuit Breakers Above 1000 V Amendment 1

Standard No.

IEEE Std C37.012a-2020

Release Date

2020

Published By

Institute of Electrical and Electronics Engineers (IEEE)

Latest

IEEE Std C37.012a-2020

Scope

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.

IEEE Std C37.012a-2020 history

• 2020 IEEE Std C37.012a-2020 IEEE Guide for the Application of Capacitance Current Switching for AC High-Voltage Circuit Breakers Above 1000 V Amendment 1