Description

Troubleshooting Marine Switchgears and Controls

This publication examines the basic elements and controls that are incorporated into motor starter circuitry. It describes circuit measurement, electrical fault-finding techniques and the equipment used by marine engineers. It also looks at motor starter applications, types of marine motors and troubleshooting techniques. The text is extensively illustrated with component and circuit diagrams. 

This publication should be used to enhance and supplement your knowledge and skills. It will provide familiarisation with a variety of electrical appliances that are part of, or associated with, marine starter safety and control circuits. 

Interactive circuit simulations are available in the eBook version of this publication. 

Contents Listing: 

1. Basics of Marine Switchgear Starters

   1.1 Basic Elements
   1.2 Basic Circuits 

2. Basic Measurements

   2.1 Measuring a Circuit’s Potential Difference Using a Voltage Tester
   2.2 Measuring a Circuit’s Potential Difference Using a Digital Multimeter
   2.3 Measuring a Circuit’s Integrity Using a Digital Multimeter
   2.4 Induction Motor Basics
   2.5 Checking Stator Winding 

3. Direct On Line (DOL) Motor Starters

   3.1 Induction Motor Starting Characteristics
   3.2 DOL Operating Principles
   3.3 DOL Starter Operation Basics
   3.4 Troubleshooting Techniques for DOL Starter Power and Control Circuits
   3.5 DOL Starter Reversing
   3.6 Protection and Monitoring Relays
   3.7 DOL Starter Simulator with Incorporated Protection and Monitoring Relays 

4. Star-Delta (Wye-Delta) Motor Starters

   4.1 Starting Characteristics
   4.2 Operating Principles
   4.3 Star-Delta Starter Principles
   4.4 Fault Finding Techniques
   4.5 Star-Delta Starter Application
   4.6 Star-Delta Reversing Starter
   4.7 Motor Starters Troubleshooting Chart