Schweitzer Engineering Laboratories, Inc. (SEL) has announced new DNP3 LAN/WAN options for SEL relays. DNP3 is the most popular protocol in North American utilities, and popular in many other parts of ...
Schweitzer Engineering Laboratories (SEL) released the SEL-T400L Time-Domain Line Protection—the world’s first traveling-wave microprocessor-based relay. It detects power system faults and sends a ...
Schweitzer Engineering Laboratories, Inc. (SEL) has announced wide-area-measurement-based control in a transformer relay for the first time. This enhancement to the SEL-487E Transformer Protection ...
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