Schweitzer Engineering Laboratories, Inc. has announced three new additions to the popular SEL-787 family of differential protection relays, providing low-cost, versatile transformer differential ...
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 ...
Schweitzer Engineering Laboratories, Inc. (SEL) announced the release of a new solution for digital secondary systems that uses IEC 61850-9-2 Sampled Values (SV) data streams for protection, ...
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