THERMA L POWERP L ANT wi th S T EAM TURB I NE TD 1 050T
This laboratory-scale apparatus allows students to investigate the performance of a steam powerplant, using a steam turbine to convert thermal energy into mechanical energy and then into electrical energy.
The unit includes instrumentation for data acquisition and safety features to ensure temperatures and pressures can never exceed safe working limits. A clean and convenient electric boiler generates steam which passes under pressure into and through a single-stage steam turbine. The turbine is connected to a dynamometer which provides the load and enables investigation of the performance characteristics of the turbine. Exhaust steam passes through a condenser and is returned to the water tank. Instrumentation is included to measure: • Electrical power to the boiler • Steam temperature, pressure and flow rate • Turbine inlet and outlet steam temperature and pressure • Turbine speed • Dynamometer torque • Electrical output from the dynamometer
L earn i ng Outcomes : • Setting up and running “hot” experiments safely using the comprehensive user guide and using the data acquisition system to collect high quality experimental data • Obtaining experimental data describing the performance of a steam plant including: – Temperatures and pressures – Turbine speed and torque output – Electrical input to the boiler – Electrical output from the dynamometer • Creating characteristic curves for the powerplant including: – Rankine cycle pressure enthalpy curve
– Turbine efficiency – Boiler efficiency – Condenser efficiency
• Investigating and analysing the effect of changing parameters on system and component performance
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