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Technical Brochures

Recommendations for additional testing for submarine cables from 6 KV (UM=7.2 KV) up to 60 KV (UM = 72.5 KV)



Continuous growth of the offshore renewable market has triggered a desire to increase the inter array cable voltage up to 60 kV (Um = 72.5 kV). Industrial cost pressure has led to cable designs at these voltage levels for HV submarine cables with either non-traditional water barriers or wet cable designs. Existing IEC standards and CIGRE recommendations do not cover all relevant aspects of new cable constructions up to Um=72,5 kV. An IEC Task Force was established to write a new standard covering these types of cables. The Task Force soon recognized that some important topics specific for certain MV cable designs are inadequately covered by these documents. For that reason, the B1.55 Working Group was convened to recommend important tests not covered in the IEC 63026 standard. Future submarine cable system testing shall include the tests recommended in this CIGRE Technical Brochure and those within IEC.



File Size: 2,7 MB

Pages NB: 58

Study Committee:  B1 ?

WG (TF): WG B1.55

Year: 2018

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