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Written by IPEC High Voltage Ltd
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The On-Line Partial Discharge (PD) testing of Medium Voltage cables (6.6kV to 36kV) and High Voltage Cables (66kV to 400kV) originated in the UK in the late 1990’s through the use of split-core High Frequency Current Transformer (HFCT) and TEV sensors which are attached around the earth strap or cable core of the cable at the switchgear/ transformer with the equipment ‘live’.
IPEC - On-Line PD Testing of MV & HV Cables Application Notes OSM (1.96MB PDF)
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