Capacitor Bank Protection

Schweitzer Engineering Laboratories, Inc. (SEL)

Capacitor bank protection products and systems provide complete primary and backup protection for all types of capacitor configurations.

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Transmission Protection

Schweitzer Engineering Laboratories, Inc.

SEL transmission protection solutions provide complete primary and backup protection from all types of faults. Using these devices helps you avoid expensive equipment damage and failure while maintaining system performance and increasing availability.

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Line Protection

Schweitzer Engineering Laboratories, Inc.

SEL transmission line protection relays provide subcycle line differential and multizone distance protection for a secure, reliable, and high-speed solution. Their fault-locating capabilities allow you to efficiently dispatch line crews to quickly isolate line problems and restore service faster.

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Digital Secondary Systems

Schweitzer Engineering Laboratories, Inc.

SEL digital secondary system solutions (sometimes called digital substation solutions) help protect and control substation primary equipment using digital devices in the secondary system that transmit data via fiber-optic cables. Our flexible, scalable, and economical solutions are built with rugged, field-tested hardware that can withstand harsh environments. Select from two solutions:

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Configuration And Visualization Software

Schweitzer Engineering Laboratories, Inc.

SEL software helps you optimize the configuration and management of your device and system settings. You can also use it to display and analyze relay event data, element operation, and more.

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Capacitor Bank Protection

Topics

Transmission Protection

Line Protection

Digital Secondary Systems

Configuration And Visualization Software