Gearbox Bearing Wear

Location
Hull & Ireland
Fault
Oil monitoring gave an early indication of wear in gearbox
Sensors Used to Detect Fault
Vibration & Oil Particulate
Customer
Various
Savings
£120,000
Detection
1 Day

At a site near Hull a wind turbine was retro-fitted with M-HAS which in addition to accelerometers also monitored oil particulate and condition using Hydac’s MCS1000 measurement and filtration system. Wear in the gearbox was detected by a higher than normal increase in ferrous particles within the oil. This followed with an increase in gearbox vibration levels approximately 1 week later.
As the wear progressed the rate of deterioration increased as indicated by the particle level. On inspection wear was found on the gear wheels.
Early detection of this wear allowed an up tower replacement of the worn gear wheel resulting in reduced downtime and a possible major failure.
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