ML21286A438
| ML21286A438 | |
| Person / Time | |
|---|---|
| Site: | Browns Ferry  |
| Issue date: | 10/04/2021 |
| From: | Tennessee Valley Authority |
| To: | Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML21286A574 | List:
|
| References | |
| Download: ML21286A438 (7) | |
Text
BFN-29 8.0-i TABLE OF CONTENTS 8.0 ELECTRICAL POWER SYSTEMS 8.1 Summary Description................................................................................................................ 8.1-1 8.2 Generators................................................................................................................................ 8.2-1 8.3 Transmission System................................................................................................................ 8.3-1 8.3.1 General...................................................................................................................... 8.3-1 8.3.2 Power Generation Objective...................................................................................... 8.3-1 8.3.3 Power Generation Design Basis................................................................................ 8.3-1 8.3.4 Safety Design Basis................................................................................................... 8.3-2 8.3.5 Description................................................................................................................. 8.3-3 8.3.6 Analysis..................................................................................................................... 8.3-4 8.3.7 Inspection and Testing............................................................................................... 8.3-5 8.4 Normal Auxiliary Power System................................................................................................ 8.4-1 8.4.1 General...................................................................................................................... 8.4-1 8.4.2 Auxiliary Power System Objective............................................................................. 8.4-3 8.4.3 Power Generation Design Basis................................................................................ 8.4-3 8.4.4 Safety Design Basis................................................................................................... 8.4-4 8.4.5 Description................................................................................................................. 8.4-4 8.4.6 Safety Evaluation....................................................................................................... 8.4-10 8.4.7 Inspection and Testing............................................................................................... 8.4-15 8.4.8 Modifications and Safety Evaluations........................................................................ 8.4-16 8.5 Standby AC Power Supply And Distribution.............................................................................. 8.5-1 8.5.1 Safety Objectives....................................................................................................... 8.5-1 8.5.2 Safety Design Basis................................................................................................... 8.5-1 8.5.3 Description................................................................................................................. 8.5-2 8.5.4 Safety Evaluation....................................................................................................... 8.5-13 8.5.5 Inspection and Testing............................................................................................... 8.5-17 8.6 250-V DC Power Supply And Distribution................................................................................. 8.6-1 8.6.1 Safety Objective......................................................................................................... 8.6-1 8.6.2 Safety Design Basis................................................................................................... 8.6-1 8.6.3 Description................................................................................................................. 8.6-1 8.6.4 Safety Evaluation....................................................................................................... 8.6-4 8.6.5 Inspection and Testing............................................................................................... 8.6-5 8.7 120-V AC Power Supply And Distribution.................................................................................. 8.7-1 8.7.1 Power Generation Objective...................................................................................... 8.7-1 8.7.2 Power Generation Design Basis................................................................................ 8.7-1 8.7.3 Description................................................................................................................. 8.7-1 8.7.4 Inspection and Testing............................................................................................... 8.7-4
BFN-29 8.0-i TABLE OF CONTENTS (Cont'd) 8.0 ELECTRICAL POWER SYSTEMS 8.8 Auxiliary DC Power Supply And Distribution............................................................................. 8.8-1 8.8.1 48-V DC Power System............................................................................................. 8.8-1 8.8.2 24-V DC Power System............................................................................................. 8.8-2 8.9 Safety Systems Independence Criteria And Bases For Electrical Cable Installation................. 8.9-1 8.9.1 Cable Insulation, Coatings, and Floor and Wall Penetrations.................................... 8.9-2 8.9.2 Raceways.................................................................................................................. 8.9-3 8.9.3 Containment Penetration........................................................................................... 8.9-6 8.9.4 Control Room and Local Panels................................................................................ 8.9-7 8.9.5 Separation of Class 1E Electrical Equipment............................................................. 8.9-8 8.9.6 Cable Routing............................................................................................................ 8.9-10 8.9.7 Fire Detection and Protection..................................................................................... 8.9-12 8.9.8 Conduit Cable and Cable Tray Markings................................................................... 8.9-12 8.10 Station Blackout............................................................................................................................ 8.10-1 8.10.1 Description...................................................................................................................8.10-1 8.10.2 Containment Cooling...................................................................................................8.10-1
BFN-29 8.0-i ELECTRICAL POWER SYSTEMS LIST OF TABLES Table Title 8.4-1 Auxiliary Power Supplies and Bus Transfer Schemes, Sheets 1-19 8.4-2 Deleted 8.4-3 Deleted 8.4-4 Deleted 8.4-5 Deleted 8.4-6 Deleted 8.4-7 Deleted 8.4-8 Deleted 8.4-9 Deleted 8.4-10 Deleted 8.4-11 Deleted 8.4-12 Deleted 8.4-13 Deleted 8.4-14 Deleted 8.5-1 Design Basis Loss-of-Coolant Accident on One Unit, Other Units Operating Prior to Power Loss, Normal Power Not Available, Diesel Generator Power Available 8.5-2 Deleted 8.5-2a Deleted 8.5-3 Deleted 8.5-4 Deleted 8.5-5 CSCS Load Starting - Normal Power 8.5-6 Diesel Generator Ratings 8.5-7 Deleted 8.5-8 Deleted 8.5-9 Deleted 8.6-1 250-V DC Connected Loads 8.6-3 Deleted 8.8-1 Deleted 8.8-2 Deleted 8.8-3 Evaluation of the 24-V DC Power Supply 8.9-1 Deleted
BFN-29 8.0-ii ELECTRICAL POWER SYSTEMS LIST OF ILLUSTRATIONS Figure Title 8.3-1 (Deleted) 8.3-2 8.3-2a 8.3-3 8.3-4 8.3-5 8.3-6 8.3-6a 8.3-7 (Deleted) 8.3-7a (Deleted) 8.3-7b (Deleted) 8.3-8 (Deleted) 8.3-8a (Deleted) 8.3-8b (Deleted) 8.3-9 (Deleted) 8.3-9a (Deleted) 8.3-9b (Deleted) 8.3-10 (Deleted) 8.3-10a (Deleted) 8.3-10b (Deleted) 8.3-11 (Deleted) 8.3.11a (Deleted) 8.3-11b (Deleted) 8.3-12a (Deleted) 8.3-12b (Deleted) 8.3-13a (Deleted) 8.3-13b (Deleted) 8.3-14a (Deleted) 8.3-14b (Deleted) 8.3-15a (Deleted) 8.3-15b (Deleted) 8.3-15c (Deleted) 8.3-16 (Deleted) 8.3-17 (Deleted) 8.4-1a Normal Auxiliary Power System Key Diagram 8.4-1b Standby Auxiliary Power System Key Diagram 8.4-2 Normal and Auxiliary Power System Key Diagram 8.4-3 4160-V Shutdown Auxiliary Power Schematic Diagram 8.4-4 Logic Diagram - Degraded Voltage, Voltage Unbalance, and Loss-of-Voltage Relay Channels Security-Related Information - Withhold Under 10 CFR 2.390
BFN-29 8.0-iii ELECTRICAL POWER SYSTEMS LIST OF ILLUSTRATIONS (Cont'd)
Figure Title 8.5-1 Diesel Generator Panel - One-Line Diagram 8.5-2 sht 1 Diesel Starting Air System Diesel Generator A - Flow Diagram 8.5-2 sht 2 Diesel Starting Air System Diesel Generator A - Flow Diagram 8.5-2 sht 3 Cooling System and Lubricating Oil System Diesel Generator 1A - Flow Diagram 8.5-2 sht 4 Diesel Starting Air System Diesel Generator 3A - Flow Diagram 8.5-2 sht 5 Diesel Starting Air System Diesel Generator 3A - Flow Diagram 8.5-2 sht 6 Cooling System and Lubricating Oil System Diesel Generator 3A - Flow Diagram 8.5-3a Fuel Oil System - Flow Diagram 8.5-3b Fuel Oil System - Flow Diagram 8.5-4a 4160-V Shutdown Board A - Single Line 8.5-4b 4160-V Shutdown Board 3EA - Single Line 8.5-4c 4160-V Shutdown Board B - Single Line 8.5-4d 4160-V Shutdown Board C - Single Line 8.5-4e 4160-V Shutdown Board D - Single Line 8.5-4f 4160-V Shutdown Board 3EB - Single Line 8.5-4g 4160-V Shutdown Board 3EC - Single Line 8.5-4h 4160-V Shutdown Board 3ED - Single Line 8.5-5 480-V Shutdown Board 2A - Single Line 8.5-6 480-V Shutdown Board 2B - Single Line 8.5-7 Deleted 8.5-7a 480-V Reactor MOV Board 2A - Single Line 8.5-7b 480-V Reactor MOV Board 2A - Single Line 8.5-7c 480-V Reactor MOV Board 1A - Single Line 8.5-7d 480-V Reactor MOV Board 1A - Single Line 8.5-7e 480-V Reactor MOV Board 3A - Single Line 8.5-7f 480-V Reactor MOV Board 3A - Single Line 8.5-8 Deleted 8.5-8a 480-V Reactor MOV Board 2B - Single Line 8.5-8b 480-V Reactor MOV Board 2B - Single Line 8.5-8c 480-V Reactor MOV Board 1B - Single Line 8.5-8d 480-V Reactor MOV Board 1B - Single Line 8.5-8e 480-V Reactor MOV Board 3B - Single Line 8.5-8f 480-V Reactor MOV Board 3B - Single Line 8.5-9a 480-V Reactor MOV Board 2C - Single Line 8.5-9b 480-V Reactor MOV Board 2C - Single Line 8.5-9c 480-V Reactor MOV Board 3C - Single Line 8.5-9d 480-V Reactor MOV Board 3C - Single Line 8.5-10 480-V Reactor MOV Board 2D - Single Line 8.5-11 480-V Reactor MOV Board 2E - Single Line 8.5-11a 480-V Reactor MOV Board 3D - Single Line
Security-Related Information - Withhold Under 10 CFR 2.390
BFN-29 8.0-v ELECTRICAL POWER SYSTEMS LIST OF ILLUSTRATIONS (Cont'd)
Figure Title 8.6-2b Shutdown Boards 250-V Battery and Chargers - Single Line 8.6-2c Shutdown Boards 250-V Battery and Chargers - Single Line 8.6-3 Separations Scheme 250-V DC System for Engineered Safeguards and RCIC, Block Diagram 8.6-4 Deleted 8.6-5 DC Board 9-9 One-Line Diagram 8.6-6 Control Room Board DC - Single Line 8.7-1 Instrumentation and Controls AC Power System, One-Line Diagram 8.7-2 (Deleted) 8.7-3 Unit Preferred Power AC System, One-Line Diagram 8.7-4a AC Board 9-9 One-Line Diagram 8.7-4b sht 1 AC Boarding 9-9 Preferred and Nonpreferred Loads One-Line Diagram 8.7-4b sht 2 AC Board 9-9 Preferred and Nonpreferred Loads One-Line Diagram 8.7-4c sht 1 AC Board 9-9 Instrumentation and Control One-Line Diagram 8.7-4c sht 2 AC Board 9-9 Instrumentation and Control One - Line Diagram 8.7-4c sht 3 AC Board 9-9 Instrumentation and Control One - Line Diagram 8.7-4d Control Room DC Board - Single Line 8.8-1 (Deleted) 8.8-2 (Deleted) 8.8-3 (Deleted) 8.9-1 (Deleted)