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Chicago-based S&C Electric Co., a provider of equipment and services for electric power systems, has installed a high-speed fault-clearing system at Eastern New Mexico University (ENMU) as part of the university's plan to improve power reliability and reduce outages.

S&C says it worked with TME Inc., a full-service mechanical, electrical, structural and energy engineering firm, to develop a solution using S&C's 15 kV Remote Supervisory Vista underground distribution switchgear and advanced relays.

TME engineered a looped distribution system that leverages two separate sources feeding the campus, S&C reports. Within the loops, nine pieces of S&C's Vista switchgear and two units of System VI switchgear communicate with each other to detect faults on the underground distribution system. S&C notes it also engineered and integrated a tool that allows ENMU's facility personnel to view the status of the system in real time and control it when necessary.

"With the self-healing system, the outages that would be caused by a fault on the main feeder would be so short that they could go unnoticed. ENMU's facilities group wanted a way to monitor the status of the feeders in real time," says S&C's Wanda Reder. "We worked with ENMU to implement a supervisory control and data acquisition (SCADA) interface that gathers information from the high-speed fault-clearing system and very simply and visually shows ENMU's staff if there are any feeders that have had a fault and need to be repaired."


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