IEC 60092-354:2020 pdf free download.Electrical installations in ships – Part 354: Single- and three-core power cables with extruded solid insulation for rated voltages 6 kV (Um = 7,2 kV) up to 30 kV (Um = 36 kV).
IEC 60092-354:2020 is applicable to shipboard and offshore power cables with extruded solid insulation, conductor and core screening, having a voltage rating of one of the following: 3,6/6 (7,2) kV,6/10 (12) kV, 8,7/15 (17,5) kV, 12/20 (24) kV, 18/30 (36) kV. The cables are intended for fixed installations. The various types of power cables are given in 5.1. The constructional requirements and test methods are aligned with those indicated in IEC 60092-350, unless otherwise specified in this document.
Any smaller conductor cross-section than those given in this table is not recommended. However, if a smaller cross-section is needed, either the diameter of the conductor shall be increased by a conductor screen,or the insulation thickness shall be increased in order to limit, at the values calculated with the smallest conductor size given in this table, the maximum electrical stresses applied to the insulation under test voltage.
5.4 Screening of cores
General
Screening of individual cores in single-or three-core cables shall consist of a conductor screen and an insulation screen.
Conductor screening
The conductor screen shall be non-metallic and shall consist of an extruded semi-conducting compound,which may be applied on top of a semi-conducting tape. Where tape is not applied, the extruded semi-conducting compound shall be firmly bonded to the insulation.
The inner sheath shall be selected from one listed in IEC 60092-360. The compound selected shall be compatible with the cable components with which it is in contact and compatible with the operating temperature of the cable.