This book was created for relay test technicians and provides the knowledge and skills necessary to test most of the modern protective relays installed over a wide variety of industries. Basic electrical fundamentals, detailed descriptions of protective elements, and generic test plans are combined with examples from real life applications to increase your confidence in any relay testing situation. A wide variety of relay manufacturers and models are used in the examples to help you realize that once you conquer the sometimes confusing and frustrating man-machine interfaces created by the different manufacturers, all digital relays use the same basic fundamentals and most relays can be tested by applying these fundamentals.By the end of this book, you will have the information you need to: Evaluate relay applications Review, understand, and compare the relay settings to the application Create a test plan Test the most commonly applied elements:Instantaneous Overcurrent (50)Inverse Time Overcurrent (50)Directional Overcurrent (67)Undervoltage (27)Overvoltage (59)Over/Under Frequency (81)Differential (87) (With three of six current channels)Line Distance (21) Evaluate the test results Provide comprehensive test results and documentationEach chapter is a self contained unit and the chapters are organized in a logical progression of knowledge to allow readers from different skill sets to focus on or skip to the sections they need without wasting time reading through information they already know. We also provide packages for technicians who are looking for specific information only. These packages can be downloaded in pdf format for easy viewing and printing as they become available.

The second edition of a bestseller, this definitive text covers all aspects of testing and maintenance of the equipment found in electrical power systems serving industrial, commercial, utility substations, and generating plants. It addresses practical aspects of routing testing and maintenance and presents both the methodologies and engineering basics needed to carry out these tasks. It is an essential reference for engineers and technicians responsible for the operation, maintenance, and testing of power system equipment. Comprehensive coverage includes dielectric theory, dissolved gas analysis, cable fault locating, ground resistance measurements, and power factor, dissipation factor, DC, breaker, and relay testing methods.

The "Hydro Testing Handbook" is an essential guide for anyone involved in the hydrostatic testing of pressure systems. This comprehensive book covers all aspects of the hydrostatic testing process, including principles, practices, applications, formulas, and common Q&A. The Hydrostatic test book provides a detailed explanation of the hydro testing process, outlining the steps involved in planning, preparation, and execution, as well as the interpretation of results. It also covers the best practices to ensure that hydro testing is carried out safely and effectively. Readers will learn how to determine critical parameters such as test pressure, hold times, and test volumes using the formulas and calculations provided in the book. This information is essential to the accurate and successful execution of hydro testing. The handbook also includes a comprehensive list of common Q&A, addressing frequently asked questions and common challenges that may arise during the testing process. This section is particularly useful for those new to hydro testing or for those who need a quick reference guide to common issues. Overall, the "Hydro Testing Handbook" is an indispensable resource for anyone involved in hydrostatic testing of pressure systems, from novice to experienced professionals.

This book is highly useful for the students of B.E./B.Tech. of Punjab Technological University, Jalandhar and aslo for the other Technological Universities of India as per New Syllabus. Accordingly, few sample question are given at the end of each chapter. The chapter and topics, covered in this book, are expected to encompass the syllabus that may be needed by various colleges/ institutions in maintenance field. It also serves as a reference book for students of all other engineering disciplines in universities, colleges, institutions and also vast numbers of engineer, managers superviors, technologists and other persons working in or associated with maintenance and upkeep of machines, equipments and systems in any shop, plant or industry.