Two shift operation power plants

Power stations that were originally designed for base load applications are now increasingly
being asked to operate on a two shift, stop/start regime; this is more commonly known in the
industry as dual shifting. The multiple start/stops that these stations are now experiencing are in
some instances causing an increase of operational issues due to the constantly changing process
parameters. For example dual shift stations will experience additional thermal stress in the
headers, drums, high temperature piping, valves plus the auxiliary equipment leading to
additional wear and tear of their systems and component parts. This is due to the more frequent
use of the plant at severe service conditions. The consequences of the change in plant operation
cannot be ignored. If the plant is not operated correctly, or more importantly...
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