IEEE 421A-1978
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
09-07-1990
English
06-29-1978
Includes criteria, definitions and test procedures for evaluating the dynamic performance of excitation control systems as applied by electric utilities.
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