Steady-state heating of gas insulated busbars

  title={Steady-state heating of gas insulated busbars},
  author={Balazs Novak and Leng - Duei Koller},
  journal={PES T&D 2012},
The alternating current flowing in the busbars of gas insulated switchgears (GIS) or substations generates Joule-heat both in the busbars and - due to eddy currents - in the metal enclosure. Besides heat conduction, the steady-state temperature of the conducting parts highly depends on the heat transfer between them and the encompassing gas insulation. The flow of the gas inside and outside the equipment that is, natural convection together with radiation determines the transferred heat. Such… CONTINUE READING
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