The increasing global demand for electricity in both industrialized and emerging markets is driving demand for cable systems. Type testing, in particular, allows customers to prove that their cables and cable accessories meet the highest quality standards to deliver reliable service over many years.
In this respect, in order to demonstrate the reliability of cables for long-term use, KEMA Labs (CESI’s Testing, Inspection and Certification Division) carry out type tests to verify the design of LV, MV and HV cables and their accessories. We also perform prequalification testing of HV cable systems. This is because KEMA Labs are the leading independent testing hallmarks and deliver a wide range of testing services for land, submarine AC and HVDC cables and accessories.
In the period 29 March to 5 April 2022, the KEMA Labs facility in Arnhem (The Netherlands) in cooperation with KEMA Labs, Berlin (Germany), have successfully performed on-site tests on two 220 kV, 10 km long, cable systems from LS Cables & Systems, for Landsnet in Akureyri, Iceland.
The new cable systems will first be operated at 132 kV, but are ready to become part of the future 220 kV grid in Iceland. The SAT consisted of an over sheath voltage test, HV AC test at 216 kV, a PD test at 170 kV, cross-bonding verification, impedance, and TDR measurements.
For the HV test two test trailers were needed to reach the required test parameters of 216 kV and 113 A. During all tests no breakdowns occurred, no PD was detected, and no abnormalities were observed.
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