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Auxiliary Mechanical Equipment for Turbine Systems - Overview and Maintenance

This section provides an overview of the auxiliary mechanical equipment used in hydroelectric power plants, including turbine auxiliaries, mechanical systems, gates, cranes, and hoists. It covers topics such as turbine speed control, inlet valves, cooling systems, fire protection, and maintenance of gates and hoists.

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Auxiliary Mechanical Equipment for Turbine Systems - Overview and Maintenance

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  1. Auxiliary Mechanical Equipment ACADs (08-006) Covered Keywords Turbine Auxiliaries, Mechanical Systems, Gates, Cranes and Hoists. Description Supporting Material

  2. Engineering Technology Division Power Plant Construction and QA/QC Section 7.3 – Auxiliary Mechanical Equipment

  3. Section 7.3 – Auxiliary Mechanical Equipment Overview • Hydroelectric Plant Auxiliaries • Turbine Auxiliaries • Mechanical Systems • Gates • Cranes and Hoists

  4. Section 7.3 – Auxiliary Mechanical Equipment Turbine Auxiliaries • Most Turbines Operate at Constant Speed • Speed Following • Newer Units are Capable of Variable Speed • Load or Speed Following • Load Following when beneficial • Governor controls the inlet gate – 10% change • Turbine Inlet Valve • Shut for Emergency or Maintenance • Spherical > 500 ft head • Butterfly < 500 ft head

  5. Section 7.3 – Auxiliary Mechanical Equipment Inlet Valves

  6. Section 7.3 – Auxiliary Mechanical Equipment Mechanical Systems • Cooling Water - oil • Lubricating - bearings • Compressed Air - controls • Fire Protection • Dewatering and Filling - maintenance • Drainage - protection • HVAC (heating, ventilation and air conditioning) • Oil Storage and Purification • Potable Water - drinking • Sanitary – bathrooms, sinks

  7. Section 7.3 – Auxiliary Mechanical Equipment Valves and Gates Trash Racks Intake Gate Maintenance Bulkhead Draft Tube Gate Spillway Gate

  8. Section 7.3 – Auxiliary Mechanical Equipment Valves and Gates

  9. Section 7.3 – Auxiliary Mechanical Equipment Cranes and Hoists

  10. Section 7.3 – Auxiliary Mechanical Equipment Questions?

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