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Modern protective relays are becoming increasingly powerful and complex, but many relay testers use test procedures and philosophies that are based on previous generations of relays and their limitations. Modern relays have very different characteristics which require a different testing philosophy to ensure they will operate when required. This edition of The Relay Testing Handbook series outlines a step-by-step procedure that will allow the reader to create and implement a protective relay test plan. The procedure follows a logical progression that can be applied to nearly every application and ensures accurate and efficient relay testing. Get more information at http://valenceonline.com/book.php.