Gas Turbine with Power Turbine
Categories: Engineering Lab EquipmentGas turbines with free-running power turbines are used primarily as drive systems for widely varying power requirements in power plants and on board ships, locomotives, and motor vehicles. The trainer...
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Description
Gas turbines with free-running power turbines are used primarily as drive systems for widely varying power requirements in power plants and on board ships, locomotives, and motor vehicles. The trainer investigates the behaviour during operation of a system with two independent turbines in a two-shaft arrangement. One turbine (the high-pressure turbine) drives the compressor and the other turbine (the power turbine) supplies the effective power. Changes in power output in the power turbine have no influence on the compressor, which is able to keep running at optimum speed at the best efficiency point. The trainer includes the following components: compressor, tubular combustion chamber and high-pressure turbine; fuel system; starter and ignition system; lubrication system; power turbine; generator; and measuring and control equipment.
Learning Objectives/Experiments
Determining the shaft power
Determining specific fuel consumption
Recording the characteristics of the power turbine
Determining the system efficiency
Features
Simple model of a gas turbine
Two-shaft arrangement with high-pressure turbine and power turbine
Display and control panel with illustrative process schematic
Propane gas as fuel
Specification
Experiments relating to the function and behaviour during operating of a gas turbine in a two-shaft arrangement
Operation with power turbine and generator
Asynchronous motor with frequency converter as generator
Start-up fan to start the high-pressure turbine
Conversion of generated electrical energy into heat using four 600W braking resistors
Effective silencing at intake and exhaust for laboratory operation
Sensors record all relevant data visualised on displays in the process schematic
Technical Data
Gas generator (compressor and high-pressure turbine)
speed range: 60000…125000min-1
max. pressure ratio: 1:2.0
max. mass flow rate (air): 0,115kg/sec
max. fuel consumption: 120g/min
Power turbine
speed range: 10000…40000min-1
mechanical power: 0…1,5kW
electrical power: 0…1kW
sound level at 1m distance: max. 80dB(A)
temperature exhaust gas: 700°C
Measuring ranges
temperature: 5x 0…180°C / 2x 0…1200°C
speed: 0…199.999min-1
electric power: 0…1999W
air inlet velocity: 0…28m/s
fuel mass flow rate: 1,5…10,5kg/h
fuel supply pressure: 0…25bar
fuel nozzle pressure: 0…4bar
combustion chamber pressure loss: 0…20mbar
high-pressure turbine inlet pressure: 0…2,5bar
power turbine inlet pressure: 0…250mbar
400V, 50Hz, 3 phases
400V, 60Hz, 3 phases
230V, 60Hz, 3 phases
quick overview :
Gas turbines with free-running power turbines are used primarily as drive systems for widely varying power requirements in power plants and on board ships, locomotives, and motor vehicles. The trainer investigates the behaviour during operation of a system with two independent turbines in a two-shaft arrangement. One turbine (the high-pressure turbine) drives the compressor and the other turbine (the power turbine) supplies the effective power. Changes in power output in the power turbine have no influence on the compressor, which is able to keep running at optimum speed at the best efficiency point. The trainer includes the following components: compressor, tubular combustion chamber and high-pressure turbine; fuel system; starter and ignition system; lubrication system; power turbine; generator; and measuring and control equipment.
Learning Objectives/Experiments
Determining the shaft power
Determining specific fuel consumption
Recording the characteristics of the power turbine
Determining the system efficiency
Features
Simple model of a gas turbine
Two-shaft arrangement with high-pressure turbine and power turbine
Display and control panel with illustrative process schematic
Propane gas as fuel
Specification
Experiments relating to the function and behaviour during operating of a gas turbine in a two-shaft arrangement
Operation with power turbine and generator
Asynchronous motor with frequency converter as generator
Start-up fan to start the high-pressure turbine
Conversion of generated electrical energy into heat using four 600W braking resistors
Effective silencing at intake and exhaust for laboratory operation
Sensors record all relevant data visualised on displays in the process schematic
Technical Data
Gas generator (compressor and high-pressure turbine)
speed range: 60000…125000min-1
max. pressure ratio: 1:2.0
max. mass flow rate (air): 0,115kg/sec
max. fuel consumption: 120g/min
Power turbine
speed range: 10000…40000min-1
mechanical power: 0…1,5kW
electrical power: 0…1kW
sound level at 1m distance: max. 80dB(A)
temperature exhaust gas: 700°C
Measuring ranges
temperature: 5x 0…180°C / 2x 0…1200°C
speed: 0…199.999min-1
electric power: 0…1999W
air inlet velocity: 0…28m/s
fuel mass flow rate: 1,5…10,5kg/h
fuel supply pressure: 0…25bar
fuel nozzle pressure: 0…4bar
combustion chamber pressure loss: 0…20mbar
high-pressure turbine inlet pressure: 0…2,5bar
power turbine inlet pressure: 0…250mbar
400V, 50Hz, 3 phases
400V, 60Hz, 3 phases
230V, 60Hz, 3 phases
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