Oil/Paper Insulation HVDC Performance
National Grid Electricity Transmission
Gordon Wilson & Paul Jarman
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Network Innovation Allowance
The project will investigate the performance of the oil-paper insulation system used in HVDC transformers under a variety of electrical
stress conditions. It will attempt to determine the effects of oil resistivity and other insulation condition parameters on the capability of the insulation to withstand the electrical stresses seen within HVDC transformers particularly during polarity reversal or other changes
The objective of this project is to better understand the DC impacts on transformers.
National Grid will evaluate the success of the project by seeing if the results provide useable information which supports the specification and operation of HVDC equipment.