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Appendix B. Draft CM good practice guide, MCSA

Appendix B. Draft CM good practice guide, MCSA

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Condition Monitoring of Rotating Electrical Machines — Recommend this title to your library

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Motor current signature analysis (MCSA) is an electrical condition-monitoring technique for detecting electrical and mechanical defects in rotating machines by making accurate measurements of the stator current and identifying and analysing the frequency components within this current. The air-gap of an electrical machine is the clearance between a rotating rotor and the fixed stator core. The magnetic field of the machine crosses this air-gap and modulates the stator current, whether it is a motor or generator. Any defect in the machine, which affects that air-gap magnetic field, will modulate the machine current signature and can be detected by measurement of those modulations.

Chapter Contents:

  • B.1 Introduction
  • B.1.1 What this series of guides is about
  • B.1.2 What this particular guide is about
  • B.2 Overall description
  • B.3 Scope
  • B.4 Expected outputs
  • B.5 Controls and capabilities
  • B.6 Issues
  • B.7 How to apply MCSA
  • B.8 Data communication
  • B.9 Data interpretation
  • B.10 Safety
  • B.11 Skills, competence and training
  • B.12 Taking readings

Inspec keywords: signal processing; condition monitoring; air gaps; fault diagnosis; magnetic fields; electric motors; rotors; stators; logic testing; electric generators

Other keywords: machine current signature; MCSA; rotating machines; rotating rotor; frequency components; mechanical defects; air-gap magnetic field; stator current; motor current signature analysis; electrical condition-monitoring technique; fixed stator core

Subjects: Protection apparatus; Signal processing and detection; Maintenance and reliability; Inspection and quality control; a.c. machines; d.c. machines

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