SOP-03 - Loss of AC Power

Question 1

What are the entry conditions of SOP-01?

Answer 1

AC power is lost to one OR more of the following, with OR without loss of Emergency Diesel Generators:
 2ENS*SWG101
 2ENS*SWG102
 2ENS*SWG103
 2NPS-SWG001
 2NPS-SWG003
 2RTX-XSR1A
 2RTX-XSR1B
 2ABS-X1
 2NNS-SWG014
 2NNS-SWG015

Question 2

RHR A is running in Suppression Pool Cooling when a loss of Line 5 occurs. What actions are required?

Answer 2

Question 3

The plant is at rated conditions…

• You have just had a loss of both line 5 and 6
• Both Div 1 and Div 2 EDGs failed to start
• Div 3 EDG has started and energized its bus

What actions are required per SOP-03?

Answer 3

Question 4

What is a sequential loss of power?

Answer 4

Question 5

A loss of Line 6 occurs and Div 2 EDG fails to start. What actions are required?

Answer 5

Question 6

What is used to determine if you are allowed to manually start and load Div 1 or 2 EDG per SOP-03?

Answer 6

Per Detail AA, verify none of the GREEN Annunciators are in.

Question 7

What actions are required if a loss of Div 1 or 2 occurs and power can NOT be restored?

Answer 7

Question 8

A loss of line 5 has occured, the Div 1 EDG starts and loads to the bus, the non-essentials are currently stroking closed. What actions are directed to restore the non-essentials iaw SOP-03?

Answer 8

Question 9

A loss of line 5, then line 6 occurs, All EDGs energize their bus. What actions are required?

Answer 9

• Verify Non-essentials/MOV-50’s Isolate(Only one division’s valves req’d to close)
• 1 SWP Pump in each division starts
• Cooling flow to EDGs over 800gpm

Then

• Open the MOV-50’s
• Start avialable Low Press ECCS
• Start a second SWP Pump in each division
• Open Non-Essentials