Active Standard

IEEE 421.1-2021

IEEE Standard Definitions for Excitation Systems for Synchronous Machines

Defined in this standard are elements and commonly used components in excitation systems. Also contained are definitions for excitation systems applied to synchronous machines. An included annex contains one-line block diagrams of some typical excitation systems. These are presented to illustrate the defined terminology referenced in this standard and clarify the understanding of the excitation control system.

Sponsor Committee
PE/EDPG - Energy Development & Power Generation
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Status
Active Standard
PAR Approval
2016-02-05
Superseding
421.1-2007
Board Approval
2021-12-08
History
Published:
2022-03-17

Working Group Details

Society
IEEE Power and Energy Society
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Sponsor Committee
PE/EDPG - Energy Development & Power Generation
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Working Group
ESCS - WG 421.1 - ESCS - Definitions for Excitation Systems for Synchronous Machines Working Group
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IEEE Program Manager
Malia Zaman
Contact
Working Group Chair
Eugene Asbury
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No Inactive-Withdrawn Standards

421.1-2007

IEEE Standard Definitions for Excitation Systems for Synchronous Machines

This standard defines elements and commonly used components in excitation control systems and contains definitions for excitation systems as applied to synchronous machines. These definitions should be useful in the following areas: -- Writing excitation systems specifications -- Evaluating excitation system performance -- Specifying methods for excitation system tests -- Preparing related excitation system standards -- Serving as an educational means for those becoming acquainted with excitation systems -- Modeling excitation systems

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