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Taurus Group 60 8 Fuel System, 8.1General Description, 8.1.3Fuel System, 8.1.2SoLoNOx Combustion System, 8.1.1Conventional Combustion System

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Turbomachinery Package Specification	Taurus 60 Compressor Set and Mechanical Drive

8 Fuel System

8.1General Description

The fuel system (Figure 12), in conjunction with the control system, includes all necessary components to control ignition and fuel flow during all modes of operation. There are two available configurations:

•Gas fuel – conventional combustion

•Gas fuel – SoLoNOx combustion

LEGEND								ONLY FOR SOLONOX
LEGEND
TP	= PRESSURE TRANSMITTER						TP	TP
TPD = DIFFERENTIAL PRESSURE TRANSMITTER							TP	TP
TPD = DIFFERENTIAL PRESSURE TRANSMITTER
RT	= RTD (TEMPERATURE)						PILOT
VS	= VALVE SOLENOID		GAS VENT				PILOT	PILOT FUEL
VS	= VALVE SOLENOID						FUEL
							FUEL
						CONTROL		MANIFOLD
							VALVE
		V	VENT
		S	VALVE
		TP
	TP			RT	TP	TP	TP
FUEL		PRIMARY	SECONDARY		MAIN		MAIN FUEL
		PRIMARY	SECONDARY		FUEL
		SHUT OFF	SHUT OFF		FUEL
		SHUT OFF	SHUT OFF		CONTROL		MANIFOLD
		VALVE	VALVE		CONTROL		MANIFOLD
		VALVE	VALVE		VALVE
					VALVE			GAS FUEL
				TORCH				GAS FUEL
				TORCH				INJECTOR
				REGULATOR
		VS	VS
AIR			V	TORCH SHUT
			S	OFF VALVE
								TORCH
				TORCH
				REGULATOR

Figure 12. Typical Fuel System Schematic8.1.1Conventional Combustion System

Solar’s conventional combustion system uses fuel injectors equally spaced around the combustor to inject fuel into the combustion chamber. The fuel injected into the combustion chamber is controlled during starting and steady-state operation to maintain stable combustion.

8.1.2SoLoNOx Combustion System

The SoLoNOx combustion system uses special fuel injectors with main and pilot fuel ports. The fuel injected through these ports is controlled during starting and steady-state operation to maintain stable combustion and minimize the formation of nitrous oxides (NOx), carbon monoxide (CO), and unburned hydrocarbon (UHC) emissions. To further regulate emission levels, combustion airflow is regulated using a bleed valve mounted on the combustor case. The SoLoNOx combustion system also includes an additional inlet gas filter/coalescer for mounting offskid.

8.1.3Fuel System

For conventional combustion, the fuel system includes:

•Supply pressure transmitter

•Pilot air operated primary gas fuel shutoff valve

© 2009 Solar Turbines Incorporated. All rights reserved.

TPS60CSMD/309

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Contents

Page Page Table of Contents TAURUS 60 GAS TURBINE MECHANICAL DRIVE 17 QUALITY ASSURANCE AND TESTING Table of Figures 1 Introduction 1.1General Description 1.2Overview 1.3Terminology 2 Taurus 60 Gas Turbine Mechanical Drive 2.1General Description 2.2Package Description 2.2.1Package Electrical System Three-PhaseMotor Voltage 2.2.2Service Connections Figure 2. Typical Taurus 60 Mechanical Drive Service Connections Table 1. Package Specifications Page 3 Taurus 60 Gas Turbine 3.1General Description 3.1.1Principles of Operation Figure 4. Typical Combustion Process 3.1.2SoLoNOx Combustion System (Optional) Table 2. Taurus 60 CSMD Gas Turbine Specifications Page 4 Solar Compressor Set Packages 4.1Compressor Set Packages 4.2Solar Gas Compressors Figure 6. Cutaway Diagram of a Solar Gas Compressor Figure 7. Cross Section of a Solar Gas Compressor Table 3. Typical Solar Gas Compressors 4.2.1Impellers 4.2.2Rotor Assembly 4.2.3Casings 4.2.4Compressor Module Seal Gas System Separation Gas System 4.2.7Hydrostatic Testing 4.2.8Shaft Coupling 4.2.9Preliminary Alignment Table 4. Driven Equipment and Associated Equipment Specifications 5 Mechanical Drive Packages 5.1Mechanical Drives Single-SourceResponsibility Unitizing at Installation Site 5.1.2Non-UnitizedPackaging Torsional Vibration Analysis Lateral Vibration Analysis 6 Gearbox 6.1General Description 6.1.2Inter-body Speed-IncreasingGearbox 6.1.3Primary Speed-ReducingGearbox Table 5. Gearbox Specifications 7 Start System 7.1General Description 7.2Direct-DriveAC Start System Figure 9. Typical Direct-DriveAC Starter Motor and Variable Frequency Drive Figure 10. Typical Direct-DriveAC Start System 7.2.4Power Wiring Table 6. Direct Drive AC Start System Specifications Page 7.3Pneumatic Start System (Optional) 8 Fuel System 8.1General Description Component Operation Table 8. Fuel System Specifications Page 9 Lubrication System 9.1General Description 9.1.5Duplex Lube Oil Filter System 9.1.6Lube Oil Vent Coalescer Figure 13. Typical Lube Oil System 9.1.7Lube Oil Vent Flame Arrestor 9.1.8Lube Oil System Options Lube Oil Cooler Lube Oil Immersion Tank Heater Table 9. Lubrication System Specifications Page Page 10 Turbotronic 4 Control System 10.1General Description 10.2System Architecture Figure 14. Typical Onskid Control System Figure 15. Typical Offskid Control System 10.3Component Descriptions 10.4System Monitoring and Control Functions 10.4.2Steady-StateControl 10.4.3Stopping Normal Stop Emergency Stop 10.4.4Vibration and Temperature Monitoring 10.5TT4000 Display and Monitoring System Figure 17. Typical TT4000 Operation Summary Screen Figure 18. Typical TT4000 Strip Chart Screen Figure 19. Typical TT4000S Engine Summary Screen 10.5.2TT4000S Display Screens 10.5.3TT4000 Data Collection and Display Hourly Log Minute Log 10.5.7System Programmability 10.5.8Engineering Units Table 10. Turbotronic 4 Control System Specifications Page 11 Compressor Control and Monitoring 11.1General Description 11.1.5Anti-SurgeRecycle Valve 11.1.6Compressor Vibration and Temperature Monitoring 12 Enclosure 12.1General Description 12.2Standard Features 12.2.8Exterior Connections 12.2.9Fire and Gas Detection System EQP Figure 21. Typical Fire and Gas System 12.3Optional Features 12.3.8Water Mist Fire Suppression System 12.3.9Fire Cylinder Cabinets Figure 22. Typical CO2 Suppression Fire Cylinder Cabinets Figure 23. Typical Water Mist Suppression Fire Cylinder Cabinet Table 11. Enclosure Specifications Page 13 Air Inlet System 13.1General Description 13.1.2Self-CleaningBarrier Type Air Filter 13.1.3Marine / Offshore-HighVelocity Type Air Filter Figure 25. Typical Taurus 60 High Velocity Air Inlet System 13.1.4Offshore / Coastal Medium Velocity Type Air Filter Figure 26. Typical Taurus 60 Medium Velocity Air Inlet System 13.1.5Insect Screens 13.1.6Air Inlet Gas Detection 13.1.7Air Inlet Silencer 13.1.8Air Inlet Ducting and Support Table 12. Air Inlet System Specifications Page 14 Exhaust System 14.1General Description 14.1.1Exhaust Silencer 14.2Turbine Exhaust Heat Recovery System Table 13. Exhaust System Specifications 15 Accessory Equipment 15.1Battery Charger System 15.1.2Nickel Cadmium 15.2Turbine Cleaning System 15.2.1On-CrankCleaning System 15.2.2On-LineCleaning System 15.2.3Turbine Cleaning Cart (Optional) 15.2.4Package Lifting Kit (Optional) 16 Marinization 16.1General Description 16.1.6Deck Deflection Limits 16.1.7Angular Displacement and Acceleration 16.1.8Main and Auxiliary Service 17 Quality Assurance and Testing 17.1Quality Assurance 17.2Testing 17.2.3Compressor Testing (If Applicable) 17.2.4Acceptance Test Data 17.2.5Additional Testing 17.2.6Source Inspection 17.2.7Customer Participation 17.2.8Weld Radiography 18 Preservation, Installation, and Documentation 18.1General Description 18.2Preservation 18.3Site Requirements 18.4Mechanical Installation 18.5Documentation 18.5.2Lateral Analysis Report (Optional) Table 15. Preservation, Installation, and Documentation Specifications 19 Certification 19.1General Description 19.2National Electrical Code 19.3Canadian Electrical Code 19.4Conformité Européenne Mark 19.5International Electrotechnical Commission Safety Assessment 19.6Offshore Marine Applications 19.7Summary 20 Support Services 20.1Construction Services 20.2Customer Services 20.3Contract Power and Leasing Services 20.4Solar’s Worldwide Locations Conversion Chart List of Abbreviations Abbreviations (Cont’d)