Power plant operation

Power plant operation

  • Rankine cycle with reheat – to reduce the formation of water droplets in turbine, and to increase the efficiency of the cycle.
  • In order to maximize the efficiency of a steam power plant it is desirable to operate as high a temperature as possible in the super-heater. However, above about 650oC various forms of metal fatigue become significant due to very high temperatures and pressures that the walls of the boiler tubes have to withstand.
  • A typical 500 MW coal-fired plant consumes around 250 tonnes of coal an hour.