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CHAPTER 8 ELECTRICAL SYSTEMS TABLE OF CONTENTS PAGE CALVERT CLIFFS UFSAR 8-i Rev. 49 8.0 ELECTRICAL SYSTEMS 8.1-1
8.1 INTRODUCTION
8.1-1 8.1.1 DESIGN BASIS 8.1-1 8.
1.2 DESCRIPTION
AND OPERATION 8.1-1 8.1.3 SHARED ELECTRICAL EQUIPMENT 8.1-3 8.2 NETWORK INTERCONNECTION 8.2-1 8.2.1 DESIGN BASIS 8.2-1 8.
2.2 DESCRIPTION
AND OPERATION OF SWITCHYARD 8.2-1 8.
2.3 DESCRIPTION
AND OPERATION OF SWITCHYARD CONTROL SYSTEM 8.2-2 8.
2.4 DESCRIPTION
AND OPERATION OF SMECO LINE 8.2-3 8.2.4.1 Design Basis 8.2-3 8.2.4.2 Description and Operation 8.2-3 8.3 STATION DISTRIBUTION 8.3-1 8.3.1 13.8 kV SYSTEM 8.3-1 8.3.1.1 Design Basis 8.3-1 8.3.1.2 Description and Operation 8.3-1 8.3.2 4.16 kV SYSTEM 8.3-2 8.3.2.1 Design Basis 8.3-2 8.3.2.2 Description and Operation 8.3-2 8.3.3 480 VOLT SYSTEM 8.3-3 8.3.3.1 Design Basis 8.3-3 8.3.3.2 Description and Operation 8.3-3 8.3.4 CONTROL ELEMENT ASSEMBLY POWER SUPPLY 8.3-4 8.3.4.1 Design Basis 8.3-4 8.3.4.2 Description and Operation 8.3-4 8.3.5 125 VOLT DC AND VITAL 120 VOLT AC SYSTEMS 8.3-4 8.3.5.1 Design Basis 8.3-4 8.3.5.2 Description and Operation 8.3-4 8.3.6 250 VOLT DC EMERGENCY PUMP SYSTEM 8.3-6 8.3.6.1 Design Basis 8.3-6 8.3.6.2 Description and Operation 8.3-6 8.3.7 INSTRUMENT AC SYSTEM 8.3-7 8.3.7.1 Design Basis 8.3-7 8.3.7.2 Description and Operation 8.3-7 8.4 EMERGENCY POWER SOURCES 8.4-1 8.4.1 FAIRBANKS MORSE EMERGENCY DIESEL GENERATORS 8.4-2 8.4.1.1 Description 8.4-2 8.4.1.2 Auxiliary Systems 8.4-3
CHAPTER 8 ELECTRICAL SYSTEMS TABLE OF CONTENTS PAGE CALVERT CLIFFS UFSAR 8-ii Rev. 49 8.4.2 SACM EMERGENCY DIESEL GENERATOR 8.4-6 8.4.2.1 Description 8.4-6 8.4.2.2 Auxiliary Systems 8.4-6 8.4.3 STATION CONTROL BATTERIES 8.4-9 8.4.3.1 Design Basis 8.4-9 8.4.3.2 Description and Operation 8.4-9 8.4.4 TURBINE-GENERATOR COASTDOWN (Unit 2 only) 8.4-10 8.4.5 STATION BLACKOUT DIESEL GENERATOR 8.4-10 8.4.5.1 Description 8.4-10 8.4.5.2 Auxiliary Systems 8.4-15 8.
4.6 REFERENCES
8.4-17 8.5 SEPARATION CRITERIA 8.5-1 8.5.1 DESIGN BASIS 8.5-1 8.5.2 CHANNEL IDENTIFICATION 8.5-1 8.5.3 CABLE ROUTING 8.5-2 8.5.4 CONTROL BOARDS AND OTHER PANELS 8.5-3 8.5.5 RACEWAYS 8.5-4 8.5.6 PENETRATION ROOMS 8.5-5
CHAPTER 8 ELECTRICAL SYSTEMS LIST OF TABLES TITLE PAGE CALVERT CLIFFS UFSAR 8-iii Rev. 49 8-1 RATINGS AND CONSTRUCTION OF MAJOR SWITCHYARD COMPONENTS 8.2-4 8-1A RATINGS AND CONSTRUCTION OF SMECO SYSTEM 8.2-5 8-2 RATINGS AND CONSTRUCTION OF 13.8 kV SYSTEM COMPONENTS 8.3-8 8-3 RATINGS AND CONSTRUCTION OF 4.16 kV SYSTEM COMPONENTS 8.3-9 8-4 RATINGS AND CONSTRUCTION OF 480 VOLT SYSTEM COMPONENTS 8.3-10 8-5 RATINGS AND CONSTRUCTION OF 125 VOLT DC AND VITAL 120 VOLT AC SYSTEM COMPONENTS 8.3-11 8-6 RATINGS AND CONSTRUCTION OF 250 VOLT DC EMERGENCY PUMP SYSTEM COMPONENTS 8.3-12 8-7 LOAD SEQUENCING 8.4-18 8-10 RATINGS AND CONSTRUCTION OF STATION BATTERIES 8.3-13
CHAPTER 8 ELECTRICAL SYSTEMS LIST OF FIGURES FIGURE CALVERT CLIFFS UFSAR 8-iv Rev. 47 8-1 ELECTRICAL MAIN SINGLE LINE DIAGRAM 8-2 SINGLE LINE METER AND RELAY DIAGRAM 500 kV SWITCHYARD 8-3 sh 1 SINGLE LINE METER AND RELAY DIAGRAM 480 V UNIT BUSES 11A, 11B, 14A, AND 14B 8-3 sh 2 DIESEL GENERATOR PROJECT METER AND RELAY DIAGRAM 480 V SYSTEM UNIT BUS 17 8-3 sh 3 DIESEL GENERATOR PROJECT METER AND RELAY DIAGRAM 480 V SYSTEM UNIT BUS 07 8-4 sh 1 METER AND RELAY DIAGRAM 4 kV SYSTEM UNIT BUSES 11 AND 14 8-4 sh 2 DIESEL GENERATOR PROJECT METER AND RELAY DIAGRAM 4 kV SYSTEM UNIT BUS 17 8-4 sh 3 DIESEL GENERATOR PROJECT METER AND RELAY DIAGRAM 4 kV SYSTEM UNIT BUS 07 8-5 sh 1 SINGLE LINE DIAGRAM VITAL 120 V AC AND 125 V DC, EMERGENCY 250 V DC 8-5 sh 2 DIESEL GENERATOR PROJECT SINGLE LINE DIAGRAM DG1A 125V DC SYSTEM BUS 14 8-5 sh 3 DIESEL GENERATOR PROJECT SINGLE LINE DIAGRAM DG0C 125V DC SYSTEM BUS 15 8-6 LOGIC DIAGRAM, DIESEL GENERATORS 8-7 sh 1 PLANT PROTECTION BLOCK DIAGRAM 8-7 sh 2 PLANT PROTECTION BLOCK DIAGRAM UNIT NO. 1 8-8A DIESEL NO. 2A - STARTING AIR, FUEL, AND LUBE OIL 8-8B DIESEL NO. 1B - STARTING AIR, FUEL, AND LUBE OIL 8-8C DIESEL NO. 2B - STARTING AIR, FUEL, AND LUBE OIL 8-8D NO. 1A EMERGENCY DIESEL GENERATOR; FUEL OIL, LUBE OIL 8-8E NO. 1A EMERGENCY DIESEL GENERATOR; STARTING AIR, HT COOLING, LT COOLING 8-8F NO. 0C EMERGENCY DIESEL GENERATOR; FUEL OIL, LUBE OIL 8-8G NO. 0C EMERGENCY DIESEL GENERATOR; STARTING AIR, HT COOLING, LT COOLING 8-9 sh 1 BLOCK DIAGRAM AUXILIARY SYSTEM LOAD GROUPS, UNITS 1 AND 2 8-9 sh 2 BLOCK DIAGRAM AUXILIARY SYSTEM LOAD GROUPS DG-0C SBO &
DG1A DIESEL GENERATORS 8-10 METER AND RELAY DIAGRAM, 4 kV SYSTEM, UNIT BUSES 21 AND 24 8-11 SINGLE LINE METER AND RELAY DIAGRAM, 480 V UNIT BUSES 21A, 21B, 24A, AND 24B 8-12 sh 1 PLANT PROTECTION BLOCK DIAGRAM, UNIT NO. 2 8-12 sh 2 BLOCK DIAGRAM PLANT PROTECTION
CHAPTER 8 ELECTRICAL SYSTEMS LIST OF ACRONYMS CALVERT CLIFFS UFSAR 8-v Rev. 47 AAC Alternate AC ABB Asea Brown Boveri, Inc.
CEA Control Element Assembly EDG Emergency Diesel Generator ESF Engineered Safety Feature ESFAS Engineered Safety Feature Actuation System FOST Fuel Oil Storage Tank FSAR Final Safety Analysis Report GE General Electric HT High Temperature IEEE Institute of Electrical and Electronic Engineers LOCA Loss-of-Coolant Accident LOCI Loss-of-Coolant Incident LT Low Temperature MCC Motor Control Center PJM Pennsylvania-New Jersey-Maryland RCP Reactor Coolant Pump RPS Reactor Protective System SACM Societe Alsacienne De Constructions Mecaniques De Mulhouse SBC Standard Building Code SBO Station Blackout SIAS Safety Injection Actuation Signal SMECO Southern Maryland Electric Cooperative SSE Safe Shutdown Earthquake