An experienced protection and integration engineer can help determine the best configurable relay settings to provide maximum system protection and advanced functionality. Photo courtesy: Emerson ...

The MCPC Series are microprocessor-based control relays designed for use with resistive loads. The devices have current ratings from 25 A to 90 A that operate from 48 VAC to 530 VAC at 0-100% control ...

A Relay Protection Tester is designed to simulate electrical quantities such as current, voltage, frequency, and phase, allowing engineers to test protective relays under controlled conditions.

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 ...

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 ...

The importance of reliable, high-quality electric power is increasingly being recognized by utility customers. The importance of reliable, high-quality electric power is increasingly being recognized ...

In 2005, Jersey Central Power & Light (JCP&L), a subsidiary of Akron, Ohio – based FirstEnergy Corp., initiated a project to identify protection system improvements that could be made to proactively ...

The Allegro A2550 combines the functions of voltage regulator, watchdog, and reset, as well as three low-side DMOS relay driver outputs. Primarily targeted at automotive applications, this IC is ...