OVERVOLTAGE SURGE PHENOMENA ON THE 3 KV DC OVERHEAD TRACK EQUIPMENT OF THE SOUTH AFRICAN RAILWAYS

In an effort to clarify certain problems being experienced on the electrified sections of the South African Railways, an automatic surge recording station was installed at Olifantsfontein on the main line between Pretoria and Johannesburg. The station served to measure and record any transient overvoltages in the section and to correlate these with lightning activity in the area. Data was accumulated over a three-year period of measurement and the results presented in the paper are considered to be representative of what might be anticipated in a severe lightning season. Although the resultant analysis indicates that the system may be adequately protected as far as overvoltages are concerned, the observed oscillatory nature of the surges could be a potential hazard to the system insulation.

• Corporate Authors:

  Associated Sci & Tech Societies of South Africa

  Box 61019
  Marshalltown, Transvaal,   South Africa 
• Authors:
  • Eriksson, A J
  • GAY, R
• Publication Date: 1977-7

Media Info

• Features: References;
• Pagination: p. 159-171
• Serial:
  • South African Inst of Electrical Engs Transactions
  • Volume: 68
  • Issue Number: 7
  • Publisher: Associated Sci & Tech Societies of South Africa

Subject/Index Terms

• TRT Terms: Electric power supply; Electric railroads; Electric trains; Lightning; Overvoltage; Railroad electrification
• Candidate Terms: Electric traction
• Identifier Terms: Spoornet
• Uncontrolled Terms: Surge protection
• Subject Areas: Energy; Railroads;

Filing Info

• Accession Number: 00169984
• Record Type: Publication
• Source Agency: Engineering Index
• Files: TRIS
• Created Date: Jan 30 1978 12:00AM