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 ...

After almost 25 years of service, the generator and transformer protection systems at the hydropower plant of a western U.S. dam and reservoir were upgraded, including the replacement of ...

Use of the powerful event reports can increase system reliability, lower maintenance costs, and reduce the potential for system damage and resulting outages. Today’s microprocessor-based relays ...

Edmund Schweitzer will claim a spot in prestigious company when he’s inducted into the National Inventors Hall of Fame during a May ceremony in Washington, D.C. Other inductees have included Thomas ...

Based on Trayer Engineering's original VFI design introduced in 1980, the 3000 Series three-phase vacuum fault interrupters take this design and incorporate the latest advancements of vacuum ...

Jun. 27—Schweitzer Engineering Laboratories will celebrate its new printed-circuit-board factory in Moscow, Idaho, on Wednesday. The ceremony will be at 9 a.m. and is expected to include Idaho Gov.