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IEEE 421-1972

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IEEE Standard Criteria and Definitions for Excitation Systems for Synchronous Machines

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New IEEE Standard - Superseded. This document presents criteria, essential elements, and new and revised definitions for excitation systems as applied to electric utility synchronous machines with particular emphasis given to the application of solid-state devices and to terminology common to feedback control systems.
This standard lists essential elements and commonly used components in excitation control systems and contains new and revised definitions for excitation systems as applied to electric utility synchronous machines, generally above 5000 kVA, with particular emphasis given to applications of solid-state devices. Primary purposes are to provide a basis for (1) writing excitation system specifications, (2) evaluating excitation system performance, (3) specifying methods for excitation system tests, and (4) preparing excitation system standards. The definitions will also serve as an educational means for people becoming acquainted with excitation systems.

SDO IEEE: Institute of Electrical and Electronics Engineers
Document Number 421
Publication Date Dec. 8, 1972
Language en - English
Page Count 20
Revision Level
Supercedes
Committee
Publish Date Document Id Type View
Dec. 8, 1972 421-1972 Revision