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Power Cable and GIS Tests

Power Cable and GIS Tests

In accordance with IEC 60840 and IEC 62067 standards, high voltage AC withstand tests are performed on underground power cables, submarine power cables and GIS systems up to 20 kilometers length and 400 kV voltage level with our variable frequency mobile AC resonant test systems.

System Properties

20 Hz – 300 Hz frequency range

Series and parallel connection

Low partial discharge (PD) noise < 10 pC

Fast and easy mobilisation / demobilisation

Pure sinusodial voltage output


Other Field Tests

Phase control

DC voltage test on non-metallic sheaths

Measurement of insulation resistance of XLPE insulation

Measurements of capacitances between the metallic sheaths and conductors

Measurement of DC resistances of the conductos

Measurements of DC resistances of the metallic sheaths and metallic shielding

Measurements of zero and positive sequence impedances

Function tests on the cross-bonding system

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