Gas Turbine Test Rig by Edutek Instrumentation

• Turbocharger Assembly: Composed of centrifugal compressor (in light alloy) and turbine (in cast iron) with the following features: operating at maximum compression ratio of about 2 : 1. operating at a speed of approx. 30,000 to 50,000 r.p.m
• Combustion Chamber : Shall consist of an external chamber and a flame tube mounted inside it. The combustion chamber will have such designed that there is even distribution of heat and there are no over heating points. The turbine which starts compressor will be a centrifugal machine with 75mm dia.
• Power Turbine Group: The Rotor assembly of the turbine will be perfectly balanced and will have arrangement for continuous lubrication. The larger turbine will attain a maximum speed of 2,000 to 23,000 r.p.m and the turbine power will be transmitted to the alternator by the means of toothed belt having transmission ration of 1 : 4.28 producing approx. 1.KW at 3,300 rpm.
• Fuel System: The Turbine will be able to work on Propane or L.P.G.

• 'U' shaped manometer to measure turbine air consumption.
• Air filter
• Techno meters to measure the speed of turbo compressor unit, rotating speed of power turbine.
• Gas flow rate regulation valve and Gas flow meter to measure gas flow rate measurement.
• Spark plug
• Auxiliary Starting fan
• Oil tank 20ltr capacity
• Water/oil heat exchanger
• Digital ammeter and voltmeter
• 2 Nos digital temperature indicators with 3 reading each, 6 nos pressure gauges.
• Complete digital electronic instrumentation for control and measurement of power absorbed by the alternator.
• Gas exhaust duct, wheeled frame with mimic diagram panel

• Oil cooler system
• Oil pump
• Oil heat exchanger
• Starting fan
• Gas exhaust
• Oil filter

Major Parameter

• Gas Generation Turbine R.P.M: Working range 30000 to 50000
• Power Turbine R.P.M: Operating range 2000 to 23000
• Generator R.P.M: Operating range 330 to 3300
• Alternator Power Output (Max. at 3300 rpm): 1.0 K.W.
• The system will be supplied with automatic safety device to prevent over speeding.
• The unit will have an automatic closed circuit pressurized lubrication system along with tube nest oil cooler for cooling the oil.
• The unit will have at least the following safety measures
  
  • Luminous Intermitants signals, near the critical temperature.
  • Automatic / Manual regulation of cooling water.
  • Luminous signal for gas solenoid valve operation.
• The gas turbine should be capable of conducting the following experiments
  • Study of a Joule-Brayton cycle
  • Study on a reduced scale of a plant for the production of electrical energy by a gas turbine
  • Study of the starting procedure of a gas turbine
  • Measurement of the air flow input as a function of the speed of the turbocharger
  • Pressure and temperature in the combustion chamber as a function of the speed of the turbocharger
  • Calculation of the specific consumption as a function of the speed of the turbocharger
  • Calculation of the output power as a function of the speed of the power turbine
  • Determination of the power output with different input parameters.
  • Safety systems in the operation of a gas turbine.

Power supply: 440 V + 10%, 3 phase A.C.