Cracked Bedplate

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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