Mitsubishi Electric recently visited EnergyVille, a collaboration between the Flemish research partners KU Leuven, VITO, imec and UHasselt, to install a prototype of its HVDC line protection relay ...

Schweitzer Engineering Laboratories has 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 trip ...

To be competitive, some electrical contractors often supply low-voltage (LV) service entrance switchboards and switchgear that meet the minimum safety requirements of the National Electrical Code (NEC ...

Ground fault relays protect electrical equipment from ground faults. A ground fault is an unintentional current path between a current-carrying conductor and a grounded surface. When a ground fault ...

Vulnerabilities in networked devices programmed to instantaneously trip power grid substation circuit breakers could be the means hackers use to cause the next blackout, warn researchers. See Also: ...