CHRIS WERSTIUK (6 risultati)

Condizione: good. Signs of wear and consistent use.

hardcover. Condizione: Good. Connecting readers with great books since 1972! Used textbooks may not include companion materials such as access codes, etc. May have some wear or writing/highlighting. We ship orders daily and Customer Service is our top priority!

Condizione: good. Signs of wear and consistent use.

hardcover. Condizione: Acceptable. Assume it may have one of the following conditions; Light water staining/damage, but not enough to affect the usage of the book, a cover that has been taped or repaired, repaired binding and/or highlighting and annotations throughout, but the book will get you through a term. If you are a picky buyer you probably want to look for a more expensive book. All of our books come with a 30 day, money back guarantee. Item does not include any supplemental items such as access codes, discs, etc. Order ships quickly! LM.

Hardcover. Condizione: New. 1st Edition. Written by an experienced relay tester, The Relay Testing Handbook Series was created with the relay testing technician in mind. Loaded with practical examples that cover equipment from a broad range of manufacturers, this handbook is an indispensable resource for relay testers of all skill levels. Eight of the nine volumes in the series are included in the hardcover book, which covers topics such as: Electrical fundamentals including three-phase electricity, phasor diagrams, and fault types Relay testing fundamentals such as static, dynamic pickup and timing tests The most commonly used testing philosophies, and the most efficient and effective ones How to translate digital logic used by relay manufacturers into familiar concepts Best practices for creating and implementing test plans Additional chapters are dedicated to the most commonly used protective elements including: Overvoltage, undervoltage, and frequency (59/27/81) Time, instantaneous, and directional overcurrent (51/50/67) Simple, and transformer, differential (87) testing with three or six current channels Line distance (21) testing using realistic test plans to minimize setting changes.

Hardcover. Condizione: new. Excellent Condition.Excels in customer satisfaction, prompt replies, and quality checks.