Digital (microprocessor-based) protection relays (DPR) are
dominating the global market today, essentially pushing all other
types of relays out of the picture. These devices play a vital role
in power operations for fields ranging from manufacturing,
transportation, and communication to banking and healthcare.
Digital Protective Relays: Problems and Solutions offers a unique
focus on the problems and disadvantages associated with their use,
a crucial aspect that goes largely unexamined. While there is
already a massive amount of literature documenting the benefits of
using digital relays, devices as sophisticated as DPR obviously
have faults and drawbacks that need to be understood. This book
covers these, delving into the less familiar inner workings of DPR
to fill a critical literary void and help decision makers and
specialists in the field of protection relays find their way out of
the informational vacuum. The book provides vital information to
assist them in evaluating relay producers' claims and then choose
the right product. Tearing away the informational "curtain" that
exists today, this book: Describes construction of functional
modules of existing relays Analyzes drawbacks and problems of
digital relays Details specific technical problems and their
solutions Assesses dangers of intentional destructive
electromagnetic intrusions Discusses alternative
(non-microprocessor-based) protection relays, and problems related
to international standards Focusing on practical solutions, this
book explains how to correctly choose digital relays and ensure
their proper use while avoiding the many problems they can present.
The author avoids mathematics and theory in favor of more
practical, tangible information not easily found elsewhere. Setting
itself apart from other books on the subject, this volume shines a
light into the long hidden "black box" of information
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