CLASSIFICATION OF GAS TURBINE ENGINES
2.1.5 Fuel for Gas Turbines
The fuels usually consumed in gas turbines are either in liquid or dry gas forms and, in most cases, are hydrocarbons. In special cases non-hydrocarbon fuels may be used, but the machines may then need to be specially modified to handle the combustion temperatures and the chemical composition of the fuel and its combustion products.
Gas turbine internal components such as blades, vanes, combustors, seals and fuel gas valves are sensitive to corrosive components present in the fuel or its combustion products such as carbon dioxide, sulphur, sodium or alkali contaminants, see also sub-section 2.2.5.
The fuel can generally be divided into several classifications:- • Low heating value gas.
• Natural gas. • High heating value gas. • Distillate oils.
• Crude oil. • Residual oil.
Parts
» For Practitioners in the Oil, Gas and Petrochemical Industry
» CLASSIFICATION OF GAS TURBINE ENGINES
» ENERGY OBTAINED FROM A GAS TURBINE
» POWER OUTPUT FROM A GAS TURBINE
» Open-loop Speed-torque Characteristic
» Load Sharing between Droop-governed Gas Turbines
» MATHEMATICAL MODELLING OF GAS TURBINE SPEED GOVERNING SYSTEMS
» SIMPLIFIED THEORY OF OPERATION OF A GENERATOR
» ACTIVE AND REACTIVE POWER DELIVERED FROM A GENERATOR
» CONSTRUCTION FEATURES OF HIGH VOLTAGE GENERATORS AND INDUCTION MOTORS
» PRINCIPLE OF OPERATION OF THE THREE-PHASE MOTOR
» CONSTRUCTION OF INDUCTION MOTORS
» CABLE VOLT-DROP CONSIDERATIONS
» METHODS OF STARTING INDUCTION MOTORS
» THREE-PHASE TRANSFORMER WINDING ARRANGEMENTS
» CONSTRUCTION OF TRANSFORMERS
» Restarting and Reaccelerating of Motors
» Micro-computer Based Systems
» MOULDED CASE CIRCUIT BREAKERS
» ELECTRICALLY CONDUCTING MATERIALS USED IN THE CONSTRUCTION OF CABLES
» ELECTRICALLY NON-CONDUCTING MATERIALS USED IN THE CONSTRUCTION OF CABLES
» COMPOSITION OF POWER AND CONTROL CABLES
» CURRENT RATINGS OF POWER CABLES
» CABLES WITH ENHANCED PERFORMANCE
» ELEMENTS OF HAZARDOUS AREA CLASSIFICATION
» TYPES OF PROTECTION FOR HAZARDOUS AREAS
» CERTIFICATION OF HAZARDOUS AREA EQUIPMENT
» NON-CONSTANT VOLTAGE SOURCES – ALL VOLTAGE LEVELS
» CALCULATION OF FAULT CURRENT DUE TO FAULTS AT THE TERMINALS OF A GENERATOR
» CALCULATE THE SUB-TRANSIENT SYMMETRICAL RMS FAULT CURRENT CONTRIBUTIONS
» APPLICATION OF THE DOUBLING FACTOR TO FAULT CURRENT
» COMPUTER PROGRAMS FOR CALCULATING FAULT CURRENTS
» INTRODUCTION TO OVERCURRENT COORDINATION
» FEEDER TRANSFORMER PROTECTION
» BUSBAR PROTECTION IN SWITCHBOARDS
» HIGH VOLTAGE INDUCTION MOTOR PROTECTION
» LOW VOLTAGE INDUCTION MOTOR PROTECTION
» MATHEMATICAL EQUATIONS FOR REPRESENTING STANDARD, VERY AND EXTREMELY INVERSE RELAYS
» Low Voltage Three-Phase Systems
» IEC Types of Earthing Systems
» CONSTRUCTION DETAILS RELATING TO EARTHING
» SCREENING AND EARTHING OF CABLES USED IN ELECTRONIC CIRCUITS
» ELECTRICAL SUBMERSIBLE PUMPS
» CONTROL SYSTEMS FOR AC MOTORS
» HARMONIC CONTENT OF THE SUPPLY SIDE CURRENTS
» FILTERING OF POWER LINE HARMONICS
» AC UNINTERRUPTIBLE POWER SUPPLIES
» THE PURPOSE OF SPECIFICATIONS
» A TYPICAL FORMAT FOR A SPECIFICATION
» Application of Three-phase Short Circuit
» Derivation of an Equivalent Circuit
» Contribution of Three-phase Short-circuit Current from Induction Motor
» INTERNATIONAL ELECTRO-TECHNICAL COMMISSION (EUROPE)
» BRITISH STANDARDS INSTITUTION (UK)
» APPLICATION OF PROTECTIVE RELAYS, CONTROL AND ALARM DEVICES FOR POWER SYSTEM CIRCUITS
» ELECTRICAL POWER SYSTEM DEVICE NUMBERS AND FUNCTIONS
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