Rx Trips Flashcards
PR Flux (High Setpoint)
109%
2/4
PR Flux (Low Setpoint
25% 2/4 Blocked: P-10 (True)
PR Flux Rate (High)
5% RTP per 2 sec
2/4
IR Flux
25% amp equivalent 1/2 Blocked: P-10 (True)
SR Flux
1e5 cps 1/2
Blocked: P-6 (True) P-10 (True)
OTΔT
114% (± Penalties)
2/4
∆T < 100% ∆T ( 1.14 -0.28/◦F(T-592 ◦F) +.000143(P-2235) - ∆I
∆I set to 0 when +8%
↓ when Tavg ↑ Pressure ↓ ∆I >+8%
Pzr Pressure (Low)
1870 psig 2/4 Blocked: P-7 (False)
RCS Flow (Low)
x2 loops
91.8% P-8 True (2/3 on 2/4)
Blocked: P-7 (False)
RCS Flow (Low) 91.8% 1x loop
91.8%
P-8 False (2/3 on 1/4)
RCP UV
72.6% (10,014V) for 1.5 sec
2/4 Blocked: P-7 (False)
RCP UF
57.2 Hz 2/4 Blocked: P-7 (False)
OPΔT
108% (- Penalties)
2/4
ΔT Input
Pzr Pressure (High)
2380 psig
2/4
Pzr Level (High)
92% 2/4 Blocked: P-7 (False)
SG Level (Low)
20%
2/4 on 1/4
Turbine Trip (C-8)
EH Press < 1245.8 psig OR TV Closed 2/3 2/4 Blocked: P-9 (False)
(turbine trip –> Rx trip)
SI Manual
1/2
SI - Containment Pressure (High)
> 3.0 psig
2/3
PT-937 / 936 / 935
SI - Pzr Pressure (Low)
< 1857 psig
2/4
Blocked: P-11 (True)
SI - Steam Pressure (Low)
< 735 psig
2/3 on 1/4 SG
Blocked: P-11 (True)
SSPS Trips
R & S Urgent Alarm
Loose or removed circuit card
“Respective” Actuation Train Urgent
Associated Rx Trip Bypass Breaker racked in and closed
Test Switches: Input Error in INHIBIT Logic Test Switch A in other than OFF Permissive Test Switch in other than OFF Memory Test Switch in other than OFF
2/2
SSPS Trips
Actuation Train Urgent Alarm
2/3
Loss of AC to Actuation Train
Loss of AC to Safeguard Cabinet
Actuation Train in TEST
Safeguard Cabinet in TEST
SSPS Trips - Other
Master Relay Defeat Switch
Loss of 15 and 48V PS (both of same Voltage on 1 train)
