Design optimization of high voltage bushing using electric field computations

S. Monga, R. S. Gorur, P. Hansen, W. Massey

Research output: Contribution to journalArticlepeer-review

52 Scopus citations

Abstract

This paper illustrates the use of electric field computation to optimize the design of gas filled high voltage composite bushings. The United States Navy employs these bushings in high power very low frequency/low frequency transmitting stations. Commercially available 2D and 3D computational packages based on the boundary element method were employed to analyze the electric fields. The optimized design uses both internal and external elements for electric stress grading at critical parts of the bushing. It has been shown that the location and magnitude of the maximum electric field have been optimized which should result in a substantially higher corona free operating voltage.

Original languageEnglish (US)
Pages (from-to)1217-1224
Number of pages8
JournalIEEE Transactions on Dielectrics and Electrical Insulation
Volume13
Issue number6
DOIs
StatePublished - Dec 1 2006

Keywords

  • Boundary element method
  • Bushing
  • Corona inception voltage
  • Corona ring
  • Electric field grading
  • High voltage
  • Voltage contour

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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