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Standard

IEEE C62.92.4-1991

Revised

Note: This standard has a new edition: IEEE C62.92.4-2014

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Abstract

New IEEE Standard - Superseded. The neutral grounding of single- and three-phase ac electric utility primary distribution systems with nominal voltages in the range of 2.4--34.5 kV is addressed. Classes of distribution systems grounding are defined. Basic considerations in distribution system grounding--concerning economics, control of temporary overvoltages, control of ground-fault currents, and ground relaying--are addressed. Also considered are use of grounding transformers, grounding of high-voltage neutral of wye/delta distribution transformers, and interconnection of primary and secondary neutrals of distribution transformers.

Document information

  • Standard from IEEE
  • Published:
  • Document type: IS
  • Pages
  • Publisher IEEE
  • Distributor IEEE
  • ICS 29.120.50
  • Technical Committee IEEE Power and Energy Society / Surge Protective Devices Committee

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