Practical Marine Electrical Knowledge, Fourth Edition

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Published Date

December 2019

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Practical Marine Electrical Knowledge, Fourth Edition

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This book helps marine and electrical engineers to acquire the knowledge required by STCW for management and operational level endorsements and to become more familiar with various electrical applications onboard.

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The systems are explained in terms of their operating principles and safe working practice. The type and significance of various electrical appliances, circuits and faults are considered and a common troubleshooting practice is examined.


A wide range of onboard ancillary electrical services are described, along with detailed information on battery support, care and maintenance.


The application and operating principles of electrical propulsion are examined, as well as high voltage practice, safety procedures and testing methods.


This book will be helpful to management and operational level marine engineers, electrical engineers and electricians, as well as students currently studying marine and electrical engineering.


Chapter One Ships’ Electrical Systems, Safety and Maintenance

1.1 Circuit Calculations

1.2 Electrical Diagrams

1.3 Electrical Safety

1.4 Electric Shock

1.5 Insulation Resistance

1.6 Circuit Testing

1.7 Insulation Testing

1.8 Continuity Testing

1.9 Multimeters

1.10 Diode Tests

1.11 Current Clampmeters

1.12 Live-Line Testers

1.13 General Electrical Maintenance

1.14 Fault Finding

Chapter Two Electrical Distribution

2.1 Power Distribution System

2.2 Insulated and Earthed Neutral Systems

2.3 Significance of Earth Faults

2.4 Distribution Circuit Breakers

2.5 Transformers

2.6 Instrument Transformers

2.7 Shore Supply Connection

2.8 Circuit Protection

2.9 Electric Cables

2.10 Lighting

Chapter Three Generators and Main Circuit Breakers

3.1 AC Generator Operation

3.2 Generator Construction and Cooling

3.3 Excitation Methods

3.4 Automatic Voltage Regulation

3.5 Generators in Parallel

3.6 Emergency Generators

3.7 Generator Protection

3.8 Generator Maintenance

3.9 Main Switchboard

3.10 Main Circuit Breakers

Chapter Four Motors and Starters

4.1 Motor Construction

4.2 Enclosures and Ratings

4.3 Induction Motor Operation

4.4 Control Equipment

4.5 Direct on Line (DOL) Starting

4.6 Reduced Voltage Starting

4.7 Speed Control

4.8 Motor Protection

4.9 Single-Phase Motors

4.10 Maintenance

Chapter Five Ancillary Electrical Services

5.1 Navigation and Signal Lights

5.2 Emergency Lighting

5.3 Refrigeration and Air Conditioning

5.4 Impressed Current Cathodic Protection (ICCP)

5.5 Battery Supplies

Chapter Six Special Electrical Practice for Hazardous Atmospheres

6.1 Understanding the Fire Triangle

6.2 Explosion Groups and Temperature Classes

6.3 Explosion Protection

6.4 Exd Flameproof Enclosure

6.5 Exi Intrinsic Safety

6.6 Exe Increased Safety

6.7 Exn Non-Sparking

6.8 Exp Pressurised Apparatus

6.9 Exm Encapsulation

6.10 Installing and Operating Electrical Systems in Hazardous Areas

6.11 Additional Class Rules for Tankers

6.12 Electrical Testing in Hazardous Areas

6.13 Maintenance of Exd-protected Apparatus

Chapter Seven Survey Requirements


7.2 Classification Societies

7.3 Main Electrical Survey Items

7.4 Generators and Governors

7.5 Circuit Breakers

7.6 Switchboards and Fittings

7.7 Cables

7.8 Insulation Resistance

7.9 Motors and Starters

7.10 Emergency Power and Associated Equipment

7.11 Parts of Steering Gear

7.12 Navigation Lights

7.13 UMS Operation

7.14 Tankers

Chapter Eight Electric Propulsion and High Voltage

8.1 Electric Propulsion Scheme

8.2 Power Supply Network

8.3 Review of Motor Operation

8.4 Controlled Rectification and Inversion

8.5 Converter Types

8.6 Propulsion System Operation

8.7 Harmonics

8.8 Propulsion Auxiliaries and Protection

8.9 High Voltage on Ships

8.10 High Voltage Safety

8.11 High Voltage Equipment Testing

Chapter Nine Programmable Logic Controllers

9.1 Programmable Logic Controllers

Appendix 1 COSWP Permits to Work

Appendix 2 Electrical Diagram Symbols


Dennis Hall had long experience with the marine industry, with initial training in shipbuilding followed by practical experience in the Merchant Navy as an Electrical Officer. This was followed by design and inspection work for large power industrial electrical systems around the world. Further experience and knowledge was acquired in the Royal Navy where he was introduced to the requirements and effective delivery methods for the training of engineering personnel. At South Tyneside College, as a lecturer, manager and Head of Electrical Power Systems, he examined many ship types and visited many marine colleges in Europe, USA and Japan.

Dennis was driven to meet the training and education needs of the marine industry and this book has, for many years, been the mainstay. The technical editors of Witherby Publishing Group have been careful to ensure that the straightforward and informative style of Dennis’ book has been maintained, while bringing in additional material that updates and expands the subject matter.

Title: Practical Marine Electrical Knowledge, Fourth Edition
Edition: Fourth
Number of Pages: 264
Product Code: WS1676K
ISBN: ISBN 13: 978-1-85609-857-1 (9781856098571), ISBN 10: 1-85609-857-5 (1856098575)
Published Date: December 2019
Binding Format: Hardback
Book Height: 300 mm
Book Width: 215 mm
Book Spine: 16 mm
Weight: 1.70 kg

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