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IEEE 48 Document Information:
Title
Test Procedures and Requirements for Alternating-Current Cable Terminations Used on Shielded Cables Having Laminated Insulation Rated 2.5 kV through 765 kV or Extruded Insulation Rated 2.5 kV through 500 kV
The Institute of Electrical and Electronics Engineers, Inc.
Publication Date:
Jun 17, 2009
Scope:
This standard supersedes IEEE Std 48-1990, IEEE Standard Test Procedures and Requirements for High-Voltage Alternating-Current Cable Terminations.
Several definitions have been added to reflect use of polymeric designs and to differentiate between various environments encountered. To clarify test procedures, Class 1 terminations have been divided into three classes: Class 1A for extruded dielectric cable, Class 1B for laminated dielectric cable, and Class 1C for pressure-type systems.
Partial discharge requirements for laminated cable terminations have been replaced by ionization test requirements, which are more applicable for laminated cable constructions. Retesting is not intended now as the partial discharge is more difficult. Reflecting cable voltage trends, table 1 contains test requirements up to 765 kV for laminated dielectric terminations and 230 kV for solid dielectric cable terminations.
Clause 9 has been expanded to include a pollution severity guide to assist the user to define a particular environment and help determine type and creepage length needed. Effects of solar radiation are addressed and test methods are recommended. The user is also advised to refer to the manufacturer for contamination testing, particularly if difficult environments are encountered.
This standard covers all indoor and outdoor cable terminations used on alternating-current cables having laminated or extruded insulation rated 2.5 kV through 765 kV, except separable insulated connectors, which are covered by IEEE Std 386-1995, IEEE Standard for Separable Insulated Connector Systems for Power Distribution Systems Above 600 V [B16].1
Cable terminations and component parts shall be capable of withstanding the tests specified in this standard.
Keywords:
- accelerated contamination testing
- correction factors
- dielectric field tests
- environmental exposure
- nonstandard service conditions
- rating
- solar radiation
- standard service conditions
- test requirements
- ultraviolet light
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