Standard icon

IEEE STANDARD

IEEE Std C37.081a-1997 - Supplement to IEEE Guide for Synthetic Fault Testing of AC High Voltage Circuit Breakers Rated on a Symmetrical Current Basis

Description: This IEEE Standards product is part of the C37 family on Switchgear, Substations and Protective Relays. The transient recovery voltage needs to be modified when interrupting asymmetrical currents. The voltage rate R, the peak voltage E2 and the rate of change of current di/dt all change with the asymmetrical current zero. Guidance is provided on how to make these corrections when compared to the symmetrical case.
  • Status:Active STDHelp

Get This Standard

Buy Purchase a copy of this standardBuyExternal Link
Buy VuSpec CD ROM This standard can be purchased as part of the following VuSpect CD:
- IEEE Power Switchgear, Substations & Relays Standards Collection: VuSpec™ Buy
Access with Subscription External Link Standards Online subscribers can access this standard in IEEE Xplore Digital Library. Access Learn More