“The equipment was installed to protect personnel, but [it was clear that] the SEL relays also protected our equipment from potentially devastating damage.”
Results
Heightened Awareness. After using arc-flash mitigation technology for several years and never having an event, the lead engineer and his associates sometimes wondered if their investment in arc-flash detection was truly necessary. However, the mitigation of the potentially deadly arc-flash event proved the technology's worth.
Retrofit Application. The mining operation now plans to add arc-flash mitigation to its remaining switchgear equipment. According to the electrical engineer, “[The] older gear doesn’t have any venting, so it’s even more important to have arc-flash protection.”