Main Steam System Flashcards
How many steam outlet nozzles are there per steam generator?
2
What is the purpose of the integral flow orifice on the steam generator outlet nozzles?
Limits steam flow in the event of a steam line rupture
Where can steam generator blowdown be taken from off of the steam generators?
Hot Leg
Cold Leg
Downcomer
What is the purpose of the Main Steam System?
Deliver steam from the steam generators to the high pressure turbine during normal plant conditions
What is the steam flow path of the Main Steam System?
steam generator – MS Safety Valves – Atmospheric Dump Valves – MS isolation valves – Steam Header — Stop/Control Valves of Main Turbine
What steam loads does the Main Steam System have under normal operations?
Main Turbine
2nd Stage of MSRs