T/SDWCIA 0026-2024 Active Group standards

T/SDWCIA 0026-2024 Quality grading and "Pioneer" evaluation requirements for medium and low voltage aluminum alloy cables from 0.6/1kV to 26/35kV

Publish Date: 2024-01-04 Implement Date: 2024-01-10 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/SDWCIA 0026-2024

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Cable

Publish Date: 2024-01-04

Implement Date: 2024-01-10

Scope

Main technical content: 5 Evaluation indicators and requirements 5.1 Evaluation indicator classification 5.1.1 Overview The evaluation indicator system for 0.6/1kV～1.8/3kV aluminum alloy cables includes basic indicators, core indicators, and innovative indicators. 5.1.2 Basic indicators 5.1.2.1 Basic indicators for 0.6/1kV～1.8/3kV aluminum alloy cables include structural dimensions, cable marking, electrical performance (including conductor DC resistance, finished product voltage withstand and insulation resistance constant), mechanical properties of the sheath before and after aging, low-temperature/high-temperature pressure/thermal shock tests for PVC sheaths (ST2 type requires additional thermal loss tests), carbon black content/thermal shrinkage tests for polyethylene sheaths (ST7 type requires additional high-temperature pressure tests), low-temperature/high-temperature pressure/water absorption tests for halogen-free flame-retardant polyolefin sheaths, SE1 elastomer sheath thermal elongation/immersion in hot oil tests, various combustion characteristics tests, tensile strength and elongation at break of aluminum alloy single wires, determination of chemical composition of aluminum alloy conductors, compression creep tests of aluminum alloy single wires, flexibility tests of aluminum alloy conductors with interlocking armor, tensile strength tests of aluminum alloy conductors with interlocking armor, and connection performance tests between aluminum alloy conductors and fittings. 5.1.2.2 Basic indicators for 3.6/6kV～18/30kV aluminum alloy cables include structural dimensions, cable marking, electrical performance (including conductor DC resistance, finished product voltage withstand, tgδ measurement, impact voltage and subsequent AC voltage tests, heating cycle and subsequent partial discharge tests, electrical resistance of the inner and outer shields before and after aging), mechanical properties of the sheath before and after aging, l