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Analytical and FEM Calculation of Electrical Parameters of Carbon Steel Pipe in DEH Systems

Analytical and FEM Calculation of Electrical Parameters of Carbon Steel Pipe in DEH Systems

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Del av bok/rapport
Sammendrag
In Direct Electrical Heating (DEH) systems, the pipeline of subsea oil productions conducts a large AC current to generate heat. To further improve the effectiveness of the DEH, higher operating frequency is preferable. The electrical parameters of the carbon steel pipe are critical for a DEH system design. At higher frequency, the hysteresis power loss in the solid pipe becomes considerable and has to be taken into account. This paper presents analytical calculations of electrical parameters of the pipe based on the measured properties of carbon steel in laboratory. The hysteresis power loss has been considered as from an equivalent resistance. The total resistance and inductance of the pipe are analytically calculated and verified by FEM simulations.
Oppdragsgiver
  • Norges forskningsråd / 256507
Språk
Engelsk
Forfatter(e)
Institusjon(er)
  • Norges teknisk-naturvitenskapelige universitet
  • SINTEF Energi AS / Elkraftteknologi
År
2018
Forlag
IEEE conference proceedings
Bok
2018 IEEE International Magnetic Conference - INTERMAG
ISBN
978-1-5386-6425-4