Nine physical phenomena that may produce noise directly from an electrical input are briefly considered. Their significance is assessed and the practical situations in which they may occur are noted. Following some comments on instrumentation and test environment, details are given of tests carried out on small (1.5 kW) three-phase induction motors. It is concluded that noise-producing elements generally cannot be studied usefully in isolation from the complete assembly or the system of which the assembly is part. The immediate environment is also significant in determining the resulting sound levels.

  • Supplemental Notes:
    • Paper presented at Seminar on Industrial Noise and Vibration Problems, National Engineering Laboratories, East Kilbride, Scotland, January 27-29, 1976.
  • Corporate Authors:

    National Engineering Laboratory, Scotland

    East Kilbride, ZZ Scotland   
  • Authors:
    • Gordon, D S
  • Publication Date: 1976-1

Media Info

  • Features: References;
  • Pagination: 12 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00152508
  • Record Type: Publication
  • Source Agency: British Ship Research Association
  • Report/Paper Numbers: Paper No. 4
  • Files: TRIS
  • Created Date: Apr 27 1977 12:00AM