Download or read book The Relay Testing Handbook #5D written by Chris Werstiuk and published by Valence Electrical Training Services LLC. This book was released on 2008-04 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 Voltage Protection (59/27/81) provides step-by-step procedures for testing the most common voltage and frequency protective applications. This volume is designed to help you understand and test: Overvoltage protection (59)Undervoltage protection (27)Over/under frequency protection (81) Each chapter explains the following topics for each element with realistic, practical examples and detailed instructions: Understanding the application Determining which settings are most important Recommended steps to correctly plan, perform, and evaluate pickup tests Recommended steps to correctly plan, perform, and evaluate timing tests Preventing interference from other settings inside the relay 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: 62 pages Trim Size: 8.5"x11" Publisher: Valence Electrical Training Services LLC Language: English ISBN-13: 978-1-934348-11-6 LCCN: 2012934621