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Description / Abstract:
This guide describes the application of protective relays on
transmission-line series capacitors and provides alternative
approaches to the design, testing, and maintenance of protective
relays based on the latest knowledge and the application experience
of the industry. This guide will also cover issues related to the
reliability of the protection system.
The protection and control of distribution system series
capacitors and application of variable series capacitors, such as
thyristor-controlled series capacitors, are not covered in this
guide.
Purpose
The purpose of this guide is to provide the reader with ample
discussion of the protection issues related to series capacitor
bank design. Applications of series capacitors are sufficiently
diverse that protective relay engineers need some guidance on the
reasons and considerations for different protection and control
schemes. This guide is intended for engineers involved in the areas
of protection specifications, evaluation, and operation of series
capacitor banks.