Problem at Kewaunee Triggers Alert
Problem at Kewaunee Triggers Alert
(OP)
I was amazed to read that the Shift Manager declared an Alert. See Story link.
http://www .themilwau keechannel .com/news/ 9040658/de tail.html? rss=mil&am p;psp=news
After reading NRC event numbers 42528 & 42530 on 4/27/06, I don't understand why an Alert would be declared.
If a turbine trip provides the signal to automatically shut down the reactor why would the absences of a turbine trip be considered a failure of the reactor protection system?
http://www
After reading NRC event numbers 42528 & 42530 on 4/27/06, I don't understand why an Alert would be declared.
If a turbine trip provides the signal to automatically shut down the reactor why would the absences of a turbine trip be considered a failure of the reactor protection system?





RE: Problem at Kewaunee Triggers Alert
RE: Problem at Kewaunee Triggers Alert
I don't think that the reactor protection system "looks at" the feedwater pump logic. If the turbine stop valve position is used to initiate a reactor trip and the contacts failed to perform their function I agree that you have a failure of the reactor protection system. However, if the turbine didn't trip why would you expect the reactor to trip?
Had the reactor operator tripped the turbine manually and that caused a reactor trip, would it still have met the condition to declare an alert?
RE: Problem at Kewaunee Triggers Alert