SEL Protective Relay Withstands EF5 Tornado
SEL Protective Relay Withstands EF5 Tornado
4 PagesCASE STUDY Empire District Electric Company—Joplin, Missouri SEL Protective Relay Withstands EF5 Tornado Substation equipment must withstand extreme weather conditions, but no one expected that when an EF5 tornado destroyed an entire utility substation, an SEL protective relay would remain standing and operational. Joplin, MO—Electric utilities traditionally design their substations to withstand damage from significant weather events, i
