Maintenance and Re-start Services :

Unit Surveys Prior to Shutdown
To access maintenance needs for outage planning purposes.

Systems Surveyed include:

• Lube Oil systems.
• Steam Seal and Gland Exhaust Systems.
• EHC {Electro Hydraulic Control} Systems.
• Stator Cooling Water Systems.
• Hydrogen Seal Oil Systems.
• Hydrogen Control Systems.
• Turbine Supervisory Instrumentation Systems.
• On-Line Testing of protective circuits.
• Pre outage review of spare parts and consumables for outage support.

Mechanical Support during Outage:

• Technical Advisory Services provided for the dis-assembly, inspection and re-assembly of Steam Turbines and Generators.
• Laser Alignment Services.
• Steam Path audits and repair/restoration recommendations.
• Valve dis-assembly, inspection, repair recommendations and calibration.
• System restoration checks, including leak testing of Generators for Hydrogen and Stator Coolant leaks and Lube oil flushing.

Turbine Re-start Services:

Our twenty five years of field experience with expert knowledge of all Generations of Turbine Controls, combined with many years of setting up and using Turbine Supervisory Systems, plus our Vibration Analysis and Balancing skills and mechanical background in unit reassembly makes OrinocoTec an outstanding resource for those wishing to get their unit safely back on line with a minimum of difficulty.

Control check out and valve recalibration performed on following control systems:

• MK VI Digital Steam and Gas Turbine.
• MK V Digital Steam and Gas Turbines.
• MK II and MK II A analogue Control for Large Steam Turbines.
• MK III Analogue Control for Medium Steam Turbines.
• MDT 20/80 Analogue Control for Fitchburg Manufactured Steam Turbines.
• Mechanical Hydraulic Controls[ MHC ] for Large and Small Steam Turbines.
• Turbines with Three Arm Governors for Single and Double Automatic Extraction Control and Case Type Pressure Governors.
• Woodward Mechanical and Electronic Governors.
• Generator Excitation Systems (SCT/PPT, Bus Fed and EX2000).

Post Outage Balance Refinement:

• Field Balancing of all sizes of Steam Turbines and Generators, using Bently Nevada and IRD portable analysers.
• OrinocoTecÕs highly experienced crew have performed field balancing on more than twenty Steam and Gas Turbines and Generators, from small industrial units to large Nuclear Turbine Generators, in Spain, Italy, Canada, Columbia and Israel.