IEEE 421.1-1986
Definitions for excitation systems for synchronous machines

Standard No.

IEEE 421.1-1986

Release Date

1986

Published By

Institute of Electrical and Electronics Engineers (IEEE)

Status

Withdraw

Replace By

IEEE 421.1-2007

Latest

IEEE 421.1-2021

IEEE 421.1-1986 history

• 1970 IEEE 421.1-2021 IEEE Standard Definitions for Excitation Systems for Synchronous Machines
• 2007 IEEE 421.1-2007 Standard Definitions for Excitation Systems for Synchronous Machines
• 1986 IEEE 421.1-1986 Definitions for excitation systems for synchronous machines