THE VARIATION IN SPEED OF AVERAGE AND HIGH POWER ALTERNATING CURRENT MOTORS USING STATIC FREQUENCY CONVERTERS

LA VARIATION DE VITESSE DES MOTEURS A COURANT ALTERNATIF DE MOYENNES ET GRANDES PUISSANCES PAR VARIATEURS STATIQUES DE FREQUENCE

The author points out that two main variable speed systems are competing with each other: the thyristor controlled direct current motor, at present the most wide-spread, and the alternating current motor fed at variable frequency by natural switching circuits: cyclo-converters, direct and indirect converters; the choice of system is determined each time by economic and electromagnetic considerations. The article deals successively with the theoretical and the technical aspect and with the behaviour of the motor-converter systems mentioned. The author ends with a description of the parts making up a synchronous 500 kVA machine successfully fitted with a variable speed system, fed by a direct converter and used for the drive of steam turbine components and to put them under load.

  • Authors:
    • Cordier, J P
  • Publication Date: 1974

Language

  • French

Media Info

  • Features: Figures;
  • Pagination: p. 3-24
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00095653
  • Record Type: Publication
  • Source Agency: International Railway Documentation, Selection of
  • Report/Paper Numbers: No. 1-2
  • Files: TRIS
  • Created Date: Jul 2 1975 12:00AM