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Electrical
Handbook
Second Edition
Charlie Wing
International Marine / McGraw-Hill
CAMDEN, MAINE • NEW YORK • CHICAGO • SAN FRANCISCO
LISBON • LONDON • MADRID • MEXICO CITY • MILAN
NEW DELHI • SAN JUAN • SEOUL • SINGAPORE • SYDNEY • TORONTO
Illustrated
Copyright © 1993, 2006 by Charlie Wing. All rights reserved. Manufactured in the United States of America. Except as permitted under the United States
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Contents
Foreword by Ed Sherman
v
Introduction
1
1. Basic DC Circuits
2
What Electricity Is • Ohm’s Law • Loads • Sources • Practice Problems
2. DC Measurements
14
Analog Test Instruments • Digital Test Instruments • Digital vs. Analog Test
Instruments • Homemade Testers • Troubleshooting
3. Batteries
26
What Is a Battery? • A Few Messy Details • Electrical Model of Batteries • Monitoring
Battery Health • Discharge Characteristics • Charging Characteristics • Charging
Recommendations • Estimating Your Daily Load • Choosing a Battery Type
• Optimum Depth of Discharge • Sizing the Alternator • Series vs. Parallel • Battery
Boxes • ABYC Standards for Batteries
4. Alternators
48
A Galley Alternator • A Rotary Current Machine • Rectification • Controlling the
Alternator • Type-P and Type-N Alternators • Powering the Voltage Regulator
• Regulator Bypass Controls • Link 2000-R Charge Controller • Charging Setups
• Alternator Installation • Troubleshooting
5. Bonding
70
What Is Bonding? • Lightning Protection • Corrosion Protection • Stray-Current
Protection • To Bond or Not to Bond • Sizing the Anode(s) • Testing Your Protection
• Noncathodic Corrosion • The ABYC on Cathodic Protection
6. DC Standards and Practices
92
Wiring Diagrams • Marine Wire • ABYC DC Load Calculation • Allowable Conductor
Amperage • Allowable Voltage Drop • Identification and Installation • Overcurrent
Protection • Conductor Connections • Ignition Protection
7. AC Basics
114
Alternating Current • Power Factor • AC Safety • Grounding • Conductor
Identification • Transformers • AC Measurements • Troubleshooting AC Circuits
• Checking Polarity
8. Inverters and Generators
128
Why Have AC Power? • Figuring Your AC Budget • Inverters • Transfer Switching
• Generators • Toubleshooting Generators
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