SF6: Tracing the arc of innovation over time
The engineered gas, SF6, took on a pivotal role in modern electrical infrastructure because of its unmatched dual abilities to insulate HV and to quench arcs, even while posing no health risks.
by Douglas Maly
SF6 transformed high-voltage equipment design, particularly Gas-Insulated Switchgear (GIS). This comprehensive timeline examines SF6’s early technical milestones, later role in the greenhouse effect, and the regulatory measures taken in response. It highlights the industry’s ongoing efforts to balance innovation with environmental responsibility while pursuing sustainable alternatives.
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