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Vibration Measurements in Condition Monitoring

by Rein Huseb?, Nybro-Bjerck A/S, Norway,



Document Type: Proceeding Paper

Part of: Waterpower '89

Abstract:

Vibration measurements as condition monitoring helps discovering defects and wear at an early stage, and is used to plan repairs and maintenance according to plans for water consumption, power production and maintenance. A systematic surveillance of machine condition should be concentrated on rotating parts, and will help reducing power production losses, and also prevent damage becoming to large. In hydro power plants a commonly used condition monitoring system consists of permanently installed equipment for measuring vibrations of the shaft relative to the bearings. This is combined with periodic analysis of absolute vibrations in bearings, guide vanes generator housing, draft tube etc., and gives good information on the condition of a machine.

Subject Headings: Vibration | Hydro power | Power plants | Maintenance and operation | Equipment and machinery | Water use | Rotation

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