Wood Group GTS has completed a $2.5m major inspection and life time assessment of a Siemens SGT-600 gas turbine at for DONG Energy’s Orsted power station, located near the Danish capital of Copenhagen.

The major inspection included replacement of the stage 1 and stage 3 rotor blades with new parts produced via Wood Group GTS’ Advanced Parts Manufacture programme, as well as the exchange of the exhaust diffuser and modifications to the air intake system to facilitate automatic downtime preservation of the gas turbine on shutdown.

During the inspection Wood Group GTS also completed a life time assessment of the rotor which involved a detailed inspection of the gas turbine rotor at 80 000 operational hours, validating the integrity of the rotor for a further 60 000 operational hours.

According to Wood Group, this service offers significant cost savings to the operator, when compared to the alternative option of rotor replacement at 120 000 EOH.

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