This file type includes high resolution graphics and schematics when applicable. According to the research firm IHS Inc., about 54 million relays and timers were purchased in 2013, a number projected ...

Programmable controllers have been in use for more than 40 years, providing industrial control processing to manage electromechanical devices. Programmable controllers were developed to replace ...

Event-based control systems represent a paradigm shift from conventional time-driven sampling methods by updating control actions only when a significant event occurs. This strategy not only reduces ...

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 ...