The Relay Testing Handbook #8D: Testing Differential Protection (87)

Name: The Relay Testing Handbook #8D: Testing Differential Protection (87)
Rating: 3.8333332538604736 (6 reviews)

Chris Werstiuk

Kas 2012 · Valence Electrical Training Services LLC

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As modern protective relays become increasingly more powerful and complex, many relay testers continue to use test procedures and philosophies that are based on previous generations of relays and their limitations. Modern relays have very different characteristics that require a different testing philosophy to ensure that they will operate when required.
The Relay Testing Handbook: Testing Differential Protection (87) provides step-by-step procedures for testing the most common differential protection applications.

This volume is designed to help you:

Understand the basic characteristics of differential protection

Review the application and ensure that it has been applied correctly

Develop effective and efficient three- and six-phase test procedures that minimize setting changes

The following topics are described with realistic, practical examples and detailed instructions:

Understanding simple differential protection for motors and generators

Defining minimum pickup and slope

Determining which settings are most important

Understanding transformer differential protection

Determining correct phase shifts through transformers

Recommended steps to correctly calculate and test differential protection using six channels

Recommended steps to correctly calculate and test differential protection using three channels

Testing harmonic restraint

Tips and tricks to overcome common obstacles

This book is included in the hardcover book The Relay Testing Handbook: Principles and Practice, or it can be ordered by itself as a soft-cover book, Adobe Acrobat PDF digital download, or both.

Paperback: 160 pages

Trim Size: 8.5"x11"

Publisher: Valence Electrical Training Services LLC

Language: English

ISBN-13: 978-1-934348-16-1

LCCN: 2012934623

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You can learn more about the author at http://relaytraining.com/chris-werstiuk/.

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