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Electronic Troubleshooting and Repair Handbook
Introduction
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| Electronic Troubleshooting and Repair Handbook |
Electrical measuring and testing instruments are used in the installation, troubleshooting, and maintenance of electrical systems of all types, particularly in commercial and industrial facilities. Electricians and technicians involved with installing, maintaining, and repairing electrical equipment need a good working knowledge of portable testing instruments and how they are used to diagnose and fix problems in the field. Most operational problems of electrical equipment and systems involve one of four basic faults:
● Short circuit
● Ground fault
● Open circuit
● Change in electrical value
This guide describes troubleshooting techniques to identify such problems using portable field-testing instruments. Although it covers many types of test equipment, this book emphasizes the use of digital multimeters (DMMs), the most common and versatile electrician’s diagnostic tool.
Electricity for Refrigeration, Heating, and Air Conditioning
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Table of content
1 Analog Test Instruments 1
2 Digital Multimeters 25
3 Troubleshooting Basics 39
4 Troubleshooting Dry-Type Transformers 49
5 Troubleshooting Luminaires (Lighting Fixtures) 57
6 Troubleshooting Electric Motors 91
7 Troubleshooting Motor Bearings 159
8 Troubleshooting Relays and Contactors 175
9 Troubleshooting Power Quality Problems 191
10 Troubleshooting with Infrared Thermography 209
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Electronic Troubleshooting and Repair Handbook
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