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Refurbishment

Refurbishment Services


v  Service capability for all installed Hydro Mechanical Plant


v  Provision of parts against Customer drawings or by engineering


v  Re-engineering where necessary to a modern design


v  Trouble shooting and fault finding


v  Supervision of all site and workshop activities, including on site machining where required

 

Refurbishment Experience: Typical Examples


Reversible Pump Turbines


v  Detailed design associated with the upgrading of 2x100 MW 
Units at Cruachan (OEM: Boving)


v  Design services for trunnion bearing replacement and service seal repair for the main inlet valves at Foyers 2x150 MW Units, Scotland (OEM: Boving)

 

Pelton Turbines


v  Detailed Design associated with new runners and refurbishment of the Finlarig 16 MW Unit, Scotland (OEM: Boving)

 

Bulb Turbines


v  Trouble shooting, modifying the shaft seal, main bearing of the bulb turbine on the Awe Barrage (0.72 MW), Scotland (OEM: Armfield/ Alstom)

 

Kaplan Turbines


v  Detailed design of refurbishment of Guide Vane assembly for the two 21 MW units at Kindaruma, Kenya (OEM: Boving)


v  Trouble shooting and repair of the blade control system for one of the Cathleen Falls 2 x 23  MW units, Ireland (OEM: KMW)


v  Detailed design associated with the Viulfossen refurbishment, Norway (OEM: Kvaerner)

 

Propeller Turbine


v  Detailed design for the upgrade of the Invergarry 20 MW Turbine, Scotland (OEM: English Electric)

 

Francis Turbines


v  Detailed design for the major refurbishment of the two units at Ceannaroc, Scotland (1 x 20 MW, 1x4 MW) (OEM: Harland)


v  Detailed design to accommodate new runners at Shin (2x12 MW) and Quoich (1x18 MW), Scotland (OEM: Boving)


v  Detailed design for the rolling refurbishment of the OK Tedi Mining (2x30 MW), Papua New Guinea (OEM: Boving)


v  Designs for refurbishment at Hemsil, 1x35.7 MW, Norway Sron Mor, Scotland, UK - Replacement of electrical actuated regulating ring by Servomotor, and design of associated oil pressure system and hydraulic control


v  Re-design of hydraulic control for inlet valve, and technical specification for new inlet valve


v  Clunie, Scotland, UK – Investigation of mal-operation of regulating system, including stall condition


v  Kilmelford, Scotland, UK – Investigation of mal-operation of Giljet: Re-design of Giljet dashpot spring and other components, for satisfactory operation

v  Livishie, Scotland, UK – Modification to GV bushes and other components, to prevent excessive friction


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