ROTOR-BEARING DYNAMICS DESIGN TECHNOLOGY. PART 6: THE INFLUENCE OF ELECTROMAGNETIC FORCES ON THE STABILITY AND RESPONSE OF AN ALTERNATOR ROTOR

Abstract

This volume presents an analytical investigation of the vibrations induced in an alternator rotor by the generated electromagnetic forces. Formulas are given from which the magnetic forces can be calculated for three brushless alternator types: (1) the homopolar generator; (2) the heteropolar inductor generator; and (3) the two-coil Lundell generator. Numerical examples are given to illustrate the practical use of the formulas. Two computer programs have been written for evaluation of the effect of the magnetic forces on the rotor. Manuals are provided for both programs, containing listings of the programs and giving detailed instructions for preparation of input data and for performing the calculations. The first computer program examines the stability of the rotor and the second program calculates the amplitude response of the rotor resulting from a built-in eccentricity and misalignment between the axes of the rotor and the alternator stator. Sample calculations are provided.

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Document Details

Document Type
Technical Report
Publication Date
Sep 01, 1967
Accession Number
AD0822401

Entities

People

  • J. Lund
  • T. Chiang

Tags

Communities of Interest

  • Advanced Electronics
  • Air Platforms

DTIC Thesaurus Topics

  • Air Force
  • Air Force Facilities
  • Bending Moments
  • Computer Programs
  • Coordinate Systems
  • Diagrams
  • Equations
  • Geometry
  • Government (Foreign)
  • Governments
  • Impedance
  • Magnetic Circuits
  • Magnetic Fields
  • Magnetic Flux
  • Magnetic Moments
  • Plastic Explosives
  • Resonant Frequency

Fields of Study

  • Physics

Readers

  • Computer Science.
  • Control Systems Engineering.
  • Electrical Engineering