AP-15 (loss of feed flow)

Question 1

AP-15

What are the different sections for Loss of Feedwater Flow?

Answer 1

• A - One MFP trips w/ both MFPs operating
• B - Single Operating MFP trips
• C - H2DP trips
• D - Cond/ booster pump set trip

Question 2

AP-15

What are all the Rx trip criteria in Loss of Feedwater flow?

Answer 2

Both MFPs running, one trips

• load > 650, program ramp not occuring
• MFP P_suct < 190#

One MFP running, trips

• Pwr > 15%

Cond/booster set trips

• no cond/booster sets running
• MFP P_suct < 190#