API 11PGT : 1992
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
RECOMMENDED PRACTICE FOR PACKAGED COMBUSTION GAS TURBINES
Hardcopy , PDF
16-02-2021
English
01-01-1992
Policy
Foreword
Section 1 - General
1.1 Scope
1.2 Alternative designs
1.3 Conflicting requirements
1.4 Definition of terms
1.5 Referenced publications
Section 2 - Basic package design
2.1 Site specific requirements
2.1.1 Service life
2.1.2 Unit responsibility
2.1.3 Site rating condition
2.1.4 Starting requirements
2.1.5 Transient requirements
2.1.6 Instrumentation/communication
2.1.7 Maintenance/inspection
2.1.8 Spare parts
2.1.9 Site condition/environment
2.1.10 Sound level
2.1.11 Emission
2.1.12 Fuels
2.2 Package design
2.2.1 Packaged equipment
2.2.2 Shipped loose equipment
2.2.3 Other equipment
2.2.4 Preliminary review
2.2.5 Motors and electrical components
2.2.6 Operating speed range
2.2.7 Rating conditions
2.2.8 Operating criteria
2.2.9 Starting requirements
2.2.10 Temperature/speed limits
2.2.11 Package arrangement
2.2.12 Maintenance requirements
2.2.13 Oil reservoirs and housings
2.2.14 Steam or water injection
2.2.15 Control requirements
2.2.16 Special tools and fixtures
2.2.17 Compartment enclosure(s)
2.3 Gas turbine drive train mechanical equipment
components
2.3.1 Gas turbine drivers
2.3.2 Couplings and guards
2.3.3 Auxiliary gears
2.3.4 Load gears
2.3.5 Driven equipment
2.3.6 Vibration and balance
2.4 Critical lateral and torsional speeds -
considerations/responsibilities
2.4.1 General
2.4.2 Packager responsibility
2.4.3 Critical speeds
2.5 Dynamics
2.5.1 General
2.5.2 Lateral analysis
2.5.3 Shop verification of unbalance response analysis
2.5.4 Torsional analysis
2.6 Materials of package construction
2.6.1 General
2.6.2 Welding
2.6.3 Piping and tubing
2.6.4 Structural
2.6.5 Galvanized steel
2.6.6 Nonmetallic materials
2.6.7 Bolting
2.7 Nameplate
Section 3 - Accessory systems
3.1 Starting systems
3.2 Mounting systems
3.2.1 General
3.2.2 Anchor systems
3.2.3 Baseplate design
3.2.4 Equipment mounting
3.3 Enclosure and fire protection
3.3.1 General
3.3.2 Construction
3.3.3 Fire protection
3.3.4 Ventilation and purging
3.4 Air inlet systems
3.4.1 General
3.4.2 Inlet filters
3.4.3 Inlet silencers
3.4.4 Inlet ducting
3.4.5 Evaporative cooling system
3.4.6 Water wash system
3.4.7 Anti-icing system
3.5 Exhaust system
3.6 Piping
3.6.1 General
3.6.2 Oil piping
3.6.3 Instrument piping
3.6.4 Water injection piping system
3.6.5 Process piping
3.7 Oil system
3.8 Fuel system
3.8.1 General
3.8.2 Gaseous fuel
3.8.3 Liquid fuel
3.8.4 Dual fuel operation
3.8.5 Water/steam injection operation
3.9 Controls and instrumentation
3.9.1 General
3.9.2 Starting control
3.9.3 Instrument and control panel
3.9.4 Instrumentation
3.10 Electrical system
Section 4 - Inspection, testing, and preparation for
shipment
4.1 General
4.2 Inspection
4.2.1 General
4.2.2 Material inspection
4.2.3 Mechanical inspection
4.3 Testing
4.3.1 General
4.3.2 Hydrostatic test
4.3.3 Gas generator test
4.3.4 Complete unit no-load mechanical running test
4.3.5 Optional tests
4.4 Preparation for shipment
Section 5 - Packager's data
5.1 Proposals
5.2 Contract data
5.2.1 General
5.2.2 Drawings
5.2.3 Technical data
5.2.4 Recommended spare
5.2.5 Installation, operation, and maintenance manuals
5.2.6 Technical data manual
Appendix A - Typical data sheets
Appendix B - Packager drawing and data requirements
Appendix C - Procedure for determination of residual
unbalance
Appendix D - Purchaser's checklist
Appendix E - Inspection and testing of large electric
AC generators
Figures
1 Rotor response plot
2 Testing logic diagram
C-1 Sample plot and calculation of residual
unbalance
E-1 Shaft displacement limits relative to bearing
housing
Tables
1 Minimum requirements for piping and tubing
systems
2 Minimum tubing wall thicknesses
3 Maximum severity of defects in castings
E.1 Generator vibration amplitudes
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