The Evolution of Grid Technology: Transitioning from SF6 to Next-Generation MV/HV Solutions
The global power sector is perpetually focused on efficiency, reliability, and innovation. At the heart of grid infrastructure are medium- and high-voltage switchgear and circuit breakers, crucial components that ensure stable power transmission and distribution. For decades, one gas has been instrumental in enabling superior performance in this equipment: Sulfur Hexafluoride (SF6). SF6 has earned its place as a reliable medium in Gas-Insulated Switchgear (GIS). Its exceptional properties—including high dielectric strength, remarkable current interruption capability, and efficient arc quenching—allowed engineers to design compact, low-maintenance, and highly reliable equipment. The performance of SF6 gas insulated switchgear is particularly essential for applications requiring challenging fault interruption, like capacitor bank switching. Its introduction marked a significant advancement, moving beyond the limitations of older technologies like Oil Circuit Breakers (OCBs). A New Era o...