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 1Amendment by IEEE, 08/07/2020
Amendment by IEEE, 08/07/2020
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.