First Supercritical CO2 Circuit Breaker Debuts
Cars That Think
APRIL 9, 2025
Researchers this month will begin testing a high-voltage circuit breaker that can quench an arc and clear a fault with supercritical carbon dioxide fluid. The first-of-its-kind device could replace conventional high-voltage breakers, which use the potent greenhouse gas sulfur hexafluoride, or SF 6.
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