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C57.15-1999  -  IEEE Standard Requirements, Terminology, and Test Code for Step-Voltage Regulators

Superseded by IEEE Std C57.15-2009 (Revision of IEEE Std C57.15-1999)
StatusInactive  -  Superseded

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Electrical, mechanical, and safety requirements of oil-filled, single- and three-phase voltage regulators not exceeding regulation of 2500 kVA (for three-phase units) or 833 kVA (for single-phase units) are covered.