EXPERIMENTAL 3000 V D.C. LOCOMOTIVE OF THE ITALIAN STATE RAILWAYS WITH CHOPPER CONTROL

The electrical equipment of an 84 t total weight locomotive is described. The locomotive is equipped with four traction motors with exclusively external excitation. Each traction motor has its own group of choppers comprising three identical units. The pulses of the three units are mutually displaced by 120 degrees. In addition to that, the four choppers groups are mutually phase-shifted by 90 degrees, so that a 12-pulse reactive effect is produced ahead of the line filter. The continuous adjustment of traction motor voltage and current permits simple drive control.

• Corporate Authors:

  Brown Boveri and Company Limited

  Publicity Department
  Baden,   Switzerland 
• Authors:
  • Cogliati, A
  • Framba, B
  • Lanzavechia, L
  • Mazzia, M
• Publication Date: 1976-12

Media Info

• Pagination: p. 737-743
• Serial:
  • Brown Boveri Review
  • Volume: 63
  • Issue Number: 12
  • Publisher: Brown Boveri and Company Limited

Subject/Index Terms

• TRT Terms: Chopper circuits; Control devices; Electric locomotives; Electric power conditioning; Electric trains; Equipment; Nuclear reactions; Railroad electrification; Solid state devices
• Candidate Terms: Electric traction
• Identifier Terms: Ferrovie dello Stato
• Uncontrolled Terms: Propulsion systems
• Old TRIS Terms: Choppers; Locomotives (Electric); Smoothing reactors; Solid state
• Subject Areas: Energy; Railroads;

Filing Info

• Accession Number: 00157571
• Record Type: Publication
• Source Agency: Engineering Index
• Files: TRIS
• Created Date: Aug 4 1977 12:00AM