Main Steam System


The Main Steam System used in any power plant has 1 major purpose:

The system may have several other functions

Major Components

The major components in most Main Steam Systems are:

System Diagram

The sketch below illustrates the main steam system flow path.

The orange color shows the flow path of the steam as it goes, in this case, from the steam generator to the high pressure turbine (then leaving in blue because there is water in the steam) then going to the moisture separator where the water is removed, then (in orange) to the low pressure turbine.

Graphic courtesy NEK

Copyright 1996-2004.  Joseph Gonyeau, P.E.. The Virtual Nuclear Tourist. All rights reserved. Revised: March 15, 2001.