Rx Trips Flashcards
SRM Hi Flux
10 e 5 cps
1/2 logic
Manual Block @ P6
Protects from startup excursion
IRM Hi Flux
25% Pwr
1/2 logic
Man block @ P10
Protects from startup excursion
Lo SP PRM Hi Flux
25% Pwr
2/4 logic
Man Block @ P10
Protects from startup excursion
Hi SP PRM Hi Flux
105% Pwr
2/4 logic
No blocks
Protects: Operation excursion
PRM SUR
+5%/2sec
2/4 logic
No blocks
Protect: Ejected rod
PZR Hi Pressure
2385 psig
2/4 logic
No blocks
Protects: RCS integrity
PZR Lo Pressure
1970 psig
2/4 logic
Auto block @ P7
Protects: Low DNBR
(At Pwr trip)
PZR Hi Level
92%
2/3 logic
Auto block @ P7
Protects: Lifting PORV or Safety
(At Pwr trip)
RCS Low Flow
<90%
2/3 logic
Auto block - 2 loops @ P7, Auto block - 1 loop @ P8
Protects: Low DNBR
(At Pwr trip)
RCP Low Voltage
5400V
2/4 (loops) logic
Auto block - 2 loops <P7
Protects: Low DNBR
(At Pwr trip)
RCP Low Frequency
57.5 Hz
2/4 (loops) logic
Auto block - 2 loops <P7
Protects: Low DNBR
(At Pwr trip)
SG Low-Low Level
17%
2/3 logic
No blocks
Protects: On 1/4 SGs, loss of Heat Sink
OTΔT
116% Rated Thermal Power (RTP)
2/4 logic
No blocks
Protects: Low DNBR
OPΔT
110% RTP
2/4 logic
No blocks
Protects: Hi KW/ft
Turbine Trip
ASO < 45 psig, TTVs closed
2/3 logic, 4/4 logic
Auto block @ P9
Protects: Low DNBR
