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C57.21-1981 - IEEE Standard Requirements, Terminology, and Test Code for Shunt Reactors Rated Over 500 kVA

Description: This standard applies to all oil-immersed or dry-type, single-phase or three-phase outdoor or indoor shunt reactors rated 501 kVA and larger. It covers general requirements, terminology, ratings, insulation classes, dielectric tests, losses, impedance, temperature rise, construction, accessories and the test code.
  • Status: Superseded Standard Help

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