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IEEE 421 : 1986

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

EXCITATION SYSTEMS FOR SYNCHRONOUS MACHINES, DEFINITIONS FOR

Superseded date

01-01-1986

Published date

12-01-2013

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Evaluates dynamic performance of excitation control systems applied by electric utilities. Covers closed loop performance for small and large signal disturbances. Describes high potential testing of complete excitation systems and components for synchronous machines. Includes auxiliary devices exposed to excitation system stresses, e.g. temperature indicators, transducers, meters, etc.

DocumentType
Standard
PublisherName
Institute of Electrical & Electronics Engineers
Status
Superseded

IEEE 421A-1978 IEEE Guide for Identification, Testing, and Evaluation of the Dynamic Performance of Excitation Control Systems
IEEE 421B-1979 IEEE Standard for High-Potential-Test Requirements for Excitation Systems for Synchronous Machines

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