Condition monitoring and diagnostics of machines. Vibration condition monitoring Diagnostic techniques for electric motors

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

10-25-2017

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Measurements
5 Initial analysis
6 Motor specific analysis
Annex A (normative) - Systematic approach to vibration
        analysis of electric motors
Annex B (informative) - Methodology for vibration
        diagnosis of faults in electric motors
Annex C (informative) - Examples of vibration problems
        in electric motors
Bibliography

Describes procedures to be considered when carrying out vibration diagnostics of various types of electric motors.

This document specifies procedures to be considered when carrying out vibration diagnostics of various types of electric motors. The four motor types covered by this document are squirrel-cage induction, wound-rotor induction, salient-pole and DC motors.

NOTE The first two types are defined in ISO20958.

This document is mostly applicable to motors with power above 15kW.

This document is intended to be used by condition monitoring practitioners, engineers and technicians and provides a practical step-by-step vibration-based approach to fault diagnosis. In addition, it gives a number of examples for a range of machine and component types and their associated fault symptoms.

The procedures presented in this document can, in some cases, be applied to other types of electrical machines, such as generators, but there can be other specific techniques associated with such machines that are not included in this document.

The use of non-vibration quantities, such as voltage and current, to identify and analyse vibration-related faults in electric motors is outside the scope of this document.

Committee	GME/21/7
DevelopmentNote	Supersedes 15/30297073 DC. (11/2017)
DocumentType	Standard
Pages	34
PublisherName	British Standards Institution
Status	Current
Supersedes	15/30297073 DC : 0

Standards	Relationship
ISO 13373-9:2017	Identical

ISO 20958:2013	Condition monitoring and diagnostics of machine systems — Electrical signature analysis of three-phase induction motors
ISO 13373-1:2002	Condition monitoring and diagnostics of machines — Vibration condition monitoring — Part 1: General procedures
ISO 13373-3:2015	Condition monitoring and diagnostics of machines Vibration condition monitoring Part 3: Guidelines for vibration diagnosis
ISO 13373-2:2016	Condition monitoring and diagnostics of machines Vibration condition monitoring Part 2: Processing, analysis and presentation of vibration data
ISO 2041:2009	Mechanical vibration, shock and condition monitoring Vocabulary
ISO 13379-1:2012	Condition monitoring and diagnostics of machines — Data interpretation and diagnostics techniques — Part 1: General guidelines
ISO 13372:2004	Condition monitoring and diagnostics of machines Vocabulary
IEC 60034-14:2003+AMD1:2007 CSV	Rotating electrical machines - Part 14: Mechanical vibration of certain machines with shaft heights 56 mm and higher - Measurement, evaluation and limits of vibration severity
API STD 541 : 2014	FORM-WOUND SQUIRREL CAGE INDUCTION MOTORS - 375 KW (500 HORSEPOWER) AND LARGER
ISO 21940-2:2017	Mechanical vibration — Rotor balancing — Part 2: Vocabulary
ISO 17359:2011	Condition monitoring and diagnostics of machines General guidelines
VDI 3839 Blatt 5:2001-09	Instructions on measuring and interpreting the vibration of machines - Typical vibration patterns with electrical machines

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BS ISO 13373-9:2017

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Table of Contents

Abstract

Scope

General Product Information

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