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HVDC transformer insulation: oil conductivity

JWG A2/D1.41 (HVDC transformer insulation: Oil conductivity) reviewed techniques and standards and developed recommendations for conductivity measurements for oil and for oil-impregnated pressboard that are both simple and representative for the conditions in a HVDC insulation system and that exhibit reduced spread. Oil-conductivity values of HVDC transformers at production and in service were determined and the impact of the values found in respect of dielectric test effectiveness and reliability was analysed.

File Size: 2,2 MB

Pages NB: 95

Study Committee:  A2, D1 ?

WG (TF): JWG A2/D1.41

Year: 2016

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