Chapter 12

Start-Up and Shut-Down

Start-up and shut-down of a thermal power plant comprises starting, running, and stopping of pumps, fans, blowers, compressors, etc., and charging, filling, warming, isolating of the miscellaneous piping systems. In this chapter start-up and shut-down of major equipment such as steam generator, steam turbine, gas turbine, and diesel engine are addressed. There are four types of start-up – cold, warm, hot, and very hot. There are two types of shut-downs: normal and emergency shutdown. Start-up and (normal) shut-down of a unit involve huge number of parallel activities that are realized through multiple actions by operators. To relieve operators from carrying out such arduous tasks, APS ensures automatic start-up ...

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