Power Supplies Flashcards
The Loose Parts Monitoring System (SV) system is powered from
…distribution panel NNN-D11.
The Seismic Monitoring Panel receives power from…
…distribution panel NNN-D11.
Train A Class 1E 4160 KV Bus PBA-S03 supplies power to…
SP Pump A EW Pump A EC Chiller A HPSI A LPSI A CS Pump A AF Pump N* Norm Chiller A*
Train B Class 1E 4160 KV Bus PBB-S04 supplies power to…
SP Pump B EW Pump B EC Chiller B HPSI B LPSI B CS Pump B AF Pump B
Non Class 1E 13.8 KV Bus NAN-S01 supplies power to…
RCE-P01A
RCE-P01C
CWN-P01A
CWN-P01B
Non Class 1E 13.8 KV Bus NAN-S02 supplies power to…
RCE-P01B
RCE-P01D
CWN-P01C
CWN-P01D
Non Class 1E 4160 KV Bus NBN-S01 supplies power to…
Nuclear Cooling Water Pump NCN-P01A Turbine Cooling Water PumpTCN-P01A Plant Cooling Water Pump PWN-P01A Heater Drain Pump EDN-P01B Condensate Pump CDN-P01A Condensate Pump CDN-P01B Normal Chiller WCN-E01B
Non Class 1E 4160 KV Bus NBN-S02 supplies power to…
Nuclear Cooling Water Pump NCN-P01B Turbine Cooling Water Pump TCN-P01B Plant Cooling Water Pump PWN-P01B Heater Drain Pump EDN-P01A Condensate Pump CDN-P01C Normal Chiller WCN-E01C Small Normal Chiller WCN-E02
Normal Control Power for 13.8 KV, 4160 KV, and 480 VAC Loadcenters is supplied by
NKN-D41
NKN-D42
480 VAC MCC’s are supplied control power from…
a transformer downstream of the circuit breaker.
Non Class 1E 125 VDC NKN-M45 supplies power to…
Plant Computer Inverter Distribution Panel NKN-D41 Distribution Panel NKN-D42 Distribution Panel NKN-D43 NAN-S05 Control Power (normal) NAN-S06 Control Power (alternate) Main Generator Primary protection circuits Main Generator Backup protection circuits
Non Class 1E 125 VDC NKN-M45 supplies power to…
Main Turbine EBOP Main Generator ESOP Main Feedwater Pump “A” Emerg LO pump Main Feedwater Pump “B” Emerg LO pump NAN-S06 Control Power (normal) NAN-S05 Control Power (alternate) Normal Access Personnel Air Lock Emerg Access Personnel Air Lock Distribution Panel NKN-D44 Distribution Panel NKN-D45
RCP breaker control power is supplied from…
Non-Class 125 VDC NKN-D44
Stator Cooling Water Pump P01A and P01B are supplied power by…
Non-Class IE 480 VAC NGN-L15 and L14
Control power for the intermediate buses NAN-S05 and NAN-S06 is supplied by
NAN-S05 from NKN-M45 normal, NKN-M46 alternate
NAN-S06 from NKN-M46 normal, NKN-M45 alternate
Control power for the buses NAN-S03 and NAN-S04 is supplied by
NAN-S03 receives control power from NKN-D41
NAN-S04 receives control power from NKN-D42
Control power for the buses NAN-S01 and NAN-S02 is supplied by
NAN-S01 receives control power from NKN-D41
NAN-S02 receives control power from NKN-D42
Control power for the buses NBN-S01 and NBN-S02 is supplied by
NBN-S01 receives control power from NKN-D41
NBN-S02 receives control power from NKN-D42
Control power for MCC Breakers is supplied by
from downstream of the circuit breaker
Control power for the buses PBA-S03 and PBB-S04 is supplied by
PBA-S03 receives control power from PKA-D21
PBB-S04 receives control power from PKB-D22
What provides power to the Reactor Protection System (RPS), the Engineered Safety Features Actuation System (ESFAS) and vital Control Room and Remote Shutdown Panel instruments?
The Class 1E 120 Vac Instrument Power System (PNA, PNB, PNC, PND)
ERFDADS computer system equipment is powered from
Primary: NKN-M45 through inverter
Backup: NHN-M08 (Non-Class 480 VAC)
Backup: NHN-M72 (requires manual transfer)
What provides power to the Fuel Building Air Filtration Units HFA-J01 and HFB-J01?
Power is supplied from PHA-M37 and PHB-M34
The power supplies for the Circ Water Pumps CWN-P01A, CWN-P01B, CWN-P01C, and CWN-P01D are:
CWN-P01A and P01B - NAN-S01
CWN-P01C and P01D - NAN-S02
What provides power to QSPDS?
QSPDS Train “A” is powered from Class 1E 120 volt AC distribution panel PNA-D25.
QSPDS Train “B” is powered from Class 1E 120 volt AC distribution panel PNB-D26.
The Charging Pumps are powered from…
CHA-P01 is powered from PGA
CHB-P01 is powered from PGB
CHE-P01 can be powered from PGA or PGB
The Charging Pump Indicating lights are powered from
Class 125 VDC PK
The power supplies for the Plant Cooling Water Pumps PWN-P01A and PWN-P01B are…
NBN-S01 (P01A) and NBN-S02 (P01B).