Relays 1 - Videos and Related Books



This 54-minute video explains the basic principles of protective relays, and introduces directional and non-directional relays. It begins with the basic theory of protective relays, commonly used types of relays, and a brief explanation of how these relays are used. Includes examples of applications for directional and non-directional relays.

Training Sessions

Introduction to Relays – 8 minutes
Explains the purpose of protective relays in a T&D system. Describes five common relay elements and explains how each works.

Overcurrent Relays – 11 minutes
Describes the condition that causes an overcurrent relay to operate. Describes the basic operating principles of overcurrent relays.

Directional Overcurrent Relays – 11 minutes
Identifies T&D equipment typically protected by directional overcurrent relays. Describes the basic operating principles of directional overcurrent relays and the conditions that cause them to operate.

Reclosing Relays – 7 minutes
Describes the function and basic operating principles of reclosing relays.

Voltage Relays – 5 minutes
Identifies the type of equipment that voltage relays typically protect. Describes the basic operating principles of voltage relays, and the conditions that cause them to operate.

Auxiliary Relays – 5 minutes
Describes the basic functions and operating principles of auxiliary relays.

Solid-State Relays – 7 minutes
Describes the basic operating principles of solid-state relays. Defines these terms: analog signal, digital signal, and logic circuit.

Item Code: RE1
Relays 1 - Instant Video
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Relays 1 - DVD
Show this video in your classroom, or load it on your company server so all your workers can watch and benefit. More info

$ 145.00

Relays 1 - Study Guide
This book reinforces learning from the video. It has informative text and color pictures throughout. Also a good resourse for learning on your own. A handy, compact book. Approximately 40 pages. More info

$ 15.00

Relays 1 - Instructor Guide
Supplementary classroom exercises with quizzes for every session. Approximately 30 pages. More info

$ 15.00