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IEEE 1313.1-1996

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IEEE Standard for Insulation Coordination - Definitions, Principles and Rules

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Revision Standard - Superseded. The procedure for selection of the withstand voltages for equipment phase-to-ground and phase-to-phase insulation systems is specified. A list of standard insulation levels, based on the voltage stress to which the equipment is being exposed, is also identified. This standard applies to three-phase ac systems above 1 kV.
This standard applies to three-phase ac systems above 1 kV. It specifies the procedure for selection of the withstand voltages for equipment phase-to-earth and phase-to-insulation systems. It also identifies a list of standard insulation levels. This standard recommends that the selected insulation level should be based on the voltage stress to which the equipment is being exposed. Insulation coordination studies usually identify overvoltages in per unit of the crest nominal or maximum system voltage to ground. Although the principles of this standard also apply to transmission line insultation systems, the insulation levels may be different from those identified as standard insulation levels.
The existing insulation coordination standard became obsolete and utility industry needs an updated standard. This standard updates the old standard by introducing new concepts which were developed in the last decade.

SDO IEEE: Institute of Electrical and Electronics Engineers
Document Number 1313.1
Publication Date Nov. 30, 1994
Language en - English
Page Count 20
Revision Level
Supercedes
Committee Surge Protective Devices Committee
Publish Date Document Id Type View
Nov. 30, 1994 1313.1-1996 Revision