 
  Power systems operate under continuously changing conditions. Voltages and currents are time-domain signals. This textbook offers a new approach to power system analysis. In each chapter, we start with time-domain principles and then explain approximations (the frequency-domain approach, for example). This first principles-based approach arms students with the skills to keep up with the rapid changes occurring in today’s power systems.
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 The most comprehensive work of its kind, this book consolidates into one volume new, modern solutions for protection, control, and monitoring of electric power systems. This technical book reflects the cutting-edge technology developed by many SEL engineers and spans topics of interest and use to people working in protection, control, communications, regulation, and design as well as to university students and faculty. By focusing on modern solutions, we have kept this book practical in content and weight!
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 Power line faults must be cleared as fast as possible to preserve power system stability, limit equipment wear, and reduce the risk of property damage, fires, and endangering human life. This book addresses the protection and communications aspects of line current differential protection as well as fault locating in line current differential relays. The technical papers compiled in this volume are self-contained, allowing readers to study the papers individually. The content is suitable for protection, control, communications, and power system engineers and decision makers at electric utilities and industrial companies.
List price: $49.00 USD
 
 Increasing operational, regulatory, and financial constraints of modern power systems place new availability and reliability demands on synchronous generators. This collection of papers highlights innovative technology developed by SEL to improve solutions for protection, control, and monitoring of synchronous generators, allowing enhanced operation and reliability. Inside you will find technical details on applications for steam, combustion, hydro, and pumped-storage units, based on both field experience and innovative research.
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 This book addresses the latest electronics and communications technologies that make it possible to meet the needs of modern power systems for fast fault clearing and accurate fault locating. Inside you will find detailed descriptions of line protection using traveling waves and instantaneous incremental quantities. Protection, control, communications, operations, and power system engineers and decision-making personnel at electric utilities will find this information invaluable.
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 This concise book explains fundamental concepts for nonlinear characteristics, accuracy ratings, and transient behavior of current transformers.
List price: $35.00 USD
 
 This book, written for the practicing engineer, covers ac motor characteristics and protection principles in a concise and practical way.
List price: $35.00 USD