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TOC

1. General

1-1 PURPOSE
1-2 SCOPE
1-3 REFERENCES
1-4 CODES AND STANDARDS
1-5 SYMBOLS
1-6 APPLICABILITY
1-7 MANUAL CONTENT AND ORGANIZATION

PRELIMINARY AND DETAILED DESIGN ANALYSIS
2-1 PRELIMINARY DESIGN
2-1.1 Principal Points of Contact
2-1.2 Preliminary Design Guidance for Interior Electrical Systems
2-1.3 Unified Facilities Guide Specifications
2-2 ELECTRICAL LOAD CRITERIA
2-3 OVERVIEW OF DETAILED ANALYSIS CRITERIA
2-4 SHORT CIRCUIT ANALYSIS
2-4.1 Analysis and Equipment Criteria
2-4.2 Short Circuit Sources
2-4.3 Symmetrical Versus Asymmetrical Current
2-4.4 Short Circuit Calculations
2-5 POWER FLOW ANALYSIS
2-6 VOLTAGE DROP ANALYSIS
2-6.1 Voltage Drop Calculations
2-6.2 Motor Starting Studies
2-7 ELECTRICAL COORDINATION
2-8 POWER QUALITY AND HARMONIC DISTORTION
2-9 LIGHTING
2-10 ENERGY ANALYSIS
2-10.1 Overview
2-10.2 New Facility Criteria
2-10.3 Existing Facilities
2-10.4 Energy Efficiency Design Opportunities in the Electrical System
2-11 LIFE-CYCLE COST ANALYSIS
2-12 ELECTRICAL DRAWINGS
2-12.1 Introduction
2-12.2 One-Line Diagrams
2-12.3 Switchgear Lineups
2-12.4 MCC Layouts
2-12.5 Grounding
2-12.6 Control Panel Wiring Diagrams
2-12.7 Control Schematics
2-12.8 Miscellaneous Interconnection Diagrams
2-12.9 Equipment Layouts with Conduit or Cable Tray
2-12.10 Panel Schedules
2-12.11 Lighting and Receptacle Layouts
2-12.12 Motor List
2-12.13 Conduit or Cable Schedule

GENERAL POWER SYSTEM CRITERIA
3-1 CHARACTERISTICS
3-1.1 Voltage
3-1.2 Frequency
3-1.3 Power Factor
3-1.4 Neutral Conductor Grounding
3-2 NORMAL POWER SOURCE
3-3 ALTERNATE AND BACKUP POWER SOURCE
3-4 SERVICES

POWER DISTRIBUTION AND UTILIZATION—TRANSFORMERS
4-1 RATINGS
4-1.1 Introduction
4-1.2 Voltage and Current
4-1.3 Temperature and kVA
4-1.4 Impedance
4-1.5 Number of Phases
4-1.6 Transformer Taps
4-1.7 Noise
4-1.8 Basic Impulse Insulation Levels (BILs)
4-2 LOW VOLTAGE TRANSFORMERS
4-3 MEDIUM VOLTAGE TRANSFORMERS
4-4 OTHER TRANSFORMERS
4-4.1 Isolation Transformers
4-4.2 Buck-Boost Transformers
4-4.3 K-Factor Transformers
4-4.4 Specialty Transformers
4-5 TRANSFORMER INSTALLATION CRITERIA
4-5.1 Introduction
4-5.2 Dry-Type Transformers
4-5.3 Less-Flammable, Liquid-Insulated, and Oil-Insulated Transformers
4-5.4 Fire Protection Criteria
4-6 TRANSFORMER SIZING
4-7 INFORMATION SOURCES

CHAPTER 5 POWER DISTRIBUTION AND UTILIZATION—SWITCHGEAR, LOAD CENTERS, AND BREAKERS

5-1 SERVICE ENTRANCE
5-2 SWITCHGEAR AND SWITCHBOARDS GENERAL CRITERIA
5-3 HIGH VOLTAGE SWITCHGEAR
5-4 MEDIUM VOLTAGE SWITCHGEAR
5-4.1 Ratings
5-4.2 Low Voltage Conductors in Medium Voltage Switchgear
5-5 LOW VOLTAGE BREAKERS AND PANELS
5-6 MOTOR CONTROL CENTERS
5-7 DISCONNECT SWITCHES
5-8 CIRCUIT LOCKOUT REQUIREMENTS
5-9 INFORMATION SOURCES

CHAPTER 6 POWER DISTRIBUTION AND UTILIZATION—RACEWAY AND WIRING

6-1 RACEWAY CRITERIA
6-2 WIRING SYSTEM CRITERIA
6-3 SIZING WIRING SYSTEMS FOR ENERGY SAVINGS
6-4 CONVENIENCE OUTLETS AND RECEPTACLES
6-5 WIRING FOR TEMPORARY POWER AND LIGHTING
6-6 ACCEPTANCE TESTING OF WIRING SYSTEMS

CHAPTER 7 POWER DISTRIBUTION AND UTILIZATION—MOTORS AND MOTOR CONTROL CIRCUITS

7-1 BASIC MOTOR CRITERIA
7-2 MOTOR CONTROL CIRCUITS
7-3 ADJUSTABLE SPEED DRIVES

CHAPTER 8 POWER DISTRIBUTION AND UTILIZATION—OTHER DESIGN CRITERIA

8-1 ELECTRICAL EQUIPMENT CLEARANCES AND GUARDS
8-1.1 Background
8-1.2 Equipment Rated 600 Volts and Lower
8-1.3 Equipment Rated Above 600 Volts
8-2 ENCLOSURES
8-3 HAZARDOUS LOCATIONS
8-4 400-HERTZ DISTRIBUTION SYSTEMS
8-5 METERING
8-6 POWER FACTOR CORRECTION

CHAPTER 9 ELECTRICAL SYSTEM PROTECTION AND COORDINATION

9-1 PROTECTION SYSTEM DESIGN
9-2 ELECTRICAL COORDINATION ANALYSIS CRITERIA
9-2.1 Introduction
9-2.2 Coordination Study Description
9-2.3 Coordination Time Intervals
9-2.4 Pickup Current
9-2.5 Coordination Curves
9-2.6 Coordination Analysis
9-2.7 Coordination Study Report
9-3 PROTECTIVE RELAYS
9-4 INSTRUMENT TRANSFORMERS
9-4.1 Background
9-4.2 Current Transformers
9-4.3 Potential Transformers
9-5 FUSES
9-6 OVERLOAD RELAYS
9-7 CIRCUIT BREAKERS
9-8 PROTECTIVE DEVICE DESIGNATIONS
9-9 INFORMATION SOURCES

CHAPTER 10 GROUNDING, BONDING, AND LIGHTNING PROTECTION

10-1 INTRODUCTION
10-2 NEC GROUNDING AND BONDING REQUIREMENTS
10-3 STATIC PROTECTION
10-4 COMMUNICATIONS SYSTEMS GROUNDING AND BONDING
10-4.1 Introduction
10-4.2 Connection to the Grounding Electrode
10-4.3 Commercial Building Grounding and Bonding Requirements for Telecommunications
10-5 LIGHTNING PROTECTION
10-6 INFORMATION SOURCES

CHAPTER 11 SURGE PROTECTION

11-1 INTRODUCTION
11-2 SURGE PROTECTION DESIGN
11-2.1 Parallel Versus Series Approach
11-2.2 Multiple Layer Protection Design
11-3 INSTALLATION CRITERIA
11-3.1 Minimizing Lead Length for Parallel Surge Protectors
11-3.2 Breaker Connection
11-3.3 Grounding
11-3.4 Acceptance Tests
11-3.5 Periodic Maintenance
11-4 SURGE PROTECTION FOR COMMUNICATIONS AND RELATED SYSTEMS

CHAPTER 12 POWER SYSTEM QUALITY

12-1 INTRODUCTION
12-2 UNBALANCED VOLTAGES
12-3 HARMONIC DISTORTION EVALUATION
12-4 HARMONIC CURRENT EFFECTS ON TRANSFORMERS
12-5 POWER QUALITY DESIGN
12-6 NONLINEAR LOAD DESIGN CONSIDERATIONS
12-7 NEUTRAL CIRCUIT SIZING FOR NONLINEAR LOADS
12-7.1 Potential Neutral Current Magnitudes
12-7.2 Installation Design Criteria
12-8 INFORMATION SOURCES

CHAPTER 13 EMERGENCY AND STANDBY POWER SYSTEMS

13-1 ESTABLISHING THE NEED FOR BACKUP POWER
13-2 CLASSIFYING EMERGENCY POWER LOADS
13-3 ENGINE GENERATORS
13-4 UPS SYSTEMS
13-4.1 Introduction
13-4.2 Selection and Performance
13-4.3 Sizing
13-4.4 Selection of a Large UPS System or Multiple Smaller UPS Systems

13-4.5 Design Criteria
13-4.6 Site Survey for an Installation
13-5 AUTOMATIC TRANSFER EQUIPMENT
13-5.1 Introduction
13-5.2 Transfer Methods
13-5.3 Design Considerations
13-5.4 Static Transfer Switches
13-5.5 Sizing
13-5.6 Effect of Motor Loads
13-5.7 Maintaining Ground Fault Protection
13-5.8 Additional System Design Considerations
13-5.9 Information Sources

CHAPTER 14 STATIONARY BATTERY SYSTEMS

14-1 STATIONARY BATTERIES
14-1.1 Selection
14-1.2 Battery Areas and Battery Racks
14-1.3 Installation Design Considerations
14-2 BATTERY CHARGERS
14-3 BATTERY PROTECTION

CHAPTER 15 LIGHTING

15-1 LIGHTING DESIGN CRITERIA

CHAPTER 16 COMMUNICATIONS AND INFORMATION SYSTEMS

16-1 INTRODUCTION
16-2 ARMY DESIGN CRITERIA
16-3 NAVY DESIGN CRITERIA
16-4 AIR FORCE DESIGN CRITERIA

CHAPTER 17 AUXILIARY SYSTEMS

17-1 FIRE ALARM AND DETECTION SYSTEMS
17-2 SECURITY SYSTEMS
17-3 TELEVISION SYSTEMS
17-4 CLOCK SYSTEMS
17-5 ENERGY MANAGEMENT AND CONTROL SYSTEMS

CHAPTER 18 FACILITY-SPECIFIC DESIGN CRITERIA

18-1 MEDICAL FACILITIES
18-2 POWER DISTRIBUTION FOR AIRCRAFT HANGARS (SHELTERS)
18-3 HIGH-ALTITUDE ELECTROMAGNETIC PULSE (HEMP) AND TEMPEST PROTECTION
18-4 SEISMICALLY QUALIFIED DESIGNS
18-5 TROPICAL ENGINEERING
18-6 ARCTIC ENGINEERING
18-7 GENERAL FACILITY TYPES

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