ACADs (08-006) Covered Keywords Turbine Auxiliaries, Mechanical Systems, Gates, Cranes and Hoists....
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Transcript of ACADs (08-006) Covered Keywords Turbine Auxiliaries, Mechanical Systems, Gates, Cranes and Hoists....
ACADs (08-006) Covered
KeywordsTurbine Auxiliaries, Mechanical Systems, Gates, Cranes and Hoists.
Description
Supporting Material
1.3.4.5 5.2.4.5
Power Plant Construction and QA/QC
Section 7.3 – Auxiliary Mechanical Equipment
Engineering Technology Engineering Technology DivisionDivision
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Overview
Section 7.3 – Auxiliary Mechanical Equipment
• Hydroelectric Plant Auxiliaries
• Turbine Auxiliaries
• Mechanical Systems
• Gates
• Cranes and Hoists
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Turbine Auxiliaries
Section 7.3 – Auxiliary Mechanical Equipment
• 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
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Inlet Valves
Section 7.3 – Auxiliary Mechanical Equipment
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Mechanical Systems
Section 7.3 – Auxiliary Mechanical Equipment
• 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
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Valves and Gates
Section 7.3 – Auxiliary Mechanical Equipment
Trash Racks
Intake Gate
Maintenance Bulkhead
Draft Tube Gate
Spillway Gate
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Valves and Gates
Section 7.3 – Auxiliary Mechanical Equipment
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Cranes and Hoists
Section 7.3 – Auxiliary Mechanical Equipment
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Questions?
Section 7.3 – Auxiliary Mechanical Equipment