Reasons for relay testing 95 2 relay testing equipment 98 3 relay testing methods 101 4 relay test procedures 109 chapter 5 test sheets and documentation 135 1 your company name and logo 136 2 project details 136 3 nameplate data 137 4 ct and pt ratios 138 5 comments and notes 138 6 metering test data 138 7 input output tests 139 principles and practice x 8 element test results . Start by marking the relay testing handbook principles and practice as want to read start your review of the relay testing handbook principles and practice write a review sep 01 2014 abdul rhman marked it as to read shelves i want to read the relay testing handbook principles and practice flag 1 like like see review dec 28 2019 sakal marked it as to read it will be . The relay testing handbook principles and practice international electrical testing association conference chris werstiuk valence electrical training services 2012 electric relays 629 pages 1 review what people are saying write a review user review flag as inappropriate i really appreciate chris werstiuk for its best efforts specially for differential protection testing 87 . This book was written for relay testers rather than design engineers so you no longer have to decipher engineering textbooks when performing relay tests 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