IEC 63026-2019 pdf free.Submarine power cables with extruded insulation and their accessories for rated voltages from 6 kV (Um= 7,2 kV) up to 60 kV (Um= 72,5 kV)-Test methods and requirements.
The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
IEC 60228. Conductors of insulated cables
IEC 60229:2007. Electric cables — Tests on extruded oversheaths with a special protective function
IEC 60230. Impulse tests on cables and their accessories
IEC 60287-1-1:2006, Electric cables — Calculation of the current rating — Part 1-1: Current rating equations (100 % load factor) and calculation of losses — General
IEC 60502-2:20 14, Power cables with extruded insulation and their accessories for rated voltages from 1 kV (Urn = 1,2 kV) up to 30 kV (Urn 36 kV) — Part 2: Cables for rated voltages from 6kV (Urn = 7,2kV) up to 30 kV(Um = 36kV)
IEC 60502-4. Power cables with extruded insulation and their accessories for rated voltages from I kV (Urn = 1,2 kV) up to 30 kV (‘rn = 36 kV) — Part 4: Test requirements on accessories for cables with rated voltages from 6 kV (Urn = 7,2 kV) up to 30 kV (Urn = 36 kV)
For the purposes of this document, the following terms and definitions apply.
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3.1 Definitions of dimensional values (thicknesses, cross-sections, etc.)
3.1.1 nominal value value by which a quantity is designated and which is often used in tables
Note 1 to entry: Usually. In this document, nominal values give rise to values to be checked by measurements taking into account specified tolerances,
3.1.2 median value when several test results have been obtained and ordered in an increasing (or decreasing) succession, middle value if the number of available values is odd, and mean of the two middle values if the number is even
3.2 Definitions concerning tests
3.2.1 routine test test made by the manufacturer on each manufactured component (length of cable or accessory) to check that the component meets the specified requirements
3.2.2 sample test test made by the manufacturer on samples of completed cable or components taken from a completed cable or accessory, at a specified frequency so as to verify that the finished product meets the specified requirements
3.2.3 type test test made before supplying on a general commercial basis a type of cable system covered by IEC 63026, in order to demonstrate satisfactory performance characteristics to meet the intended application
Note 1 to entry: Once successfully completed, these tests need not be repeated, unless changes are made In the cable or accessory with respect to materials, manufacturing process, design or design electrical stress levels, which might adversely change the performance characteristics.
3.2.4 electrical test after installation
test made to demonstrate the integrity of the cable system as installed.IEC 63026 pdf free download.