SF6 gas has been widely used in the power equipments as an excellent electric insulating and arc-quenching medium.
SF 6气体作为优异的绝缘介质和灭弧介质，被广泛地应用于各种电力设备中。
2
The circuit-breaker capacitor can not only improve the voltage distribution along arc-quenching chambers connected in series, but also reduce the rise rate of the recovery voltage.
断路器电容器不仅具有改善断路器各断口电压分布的作用，而且还能降低断路器断口恢复电压上升率。
3
Heat source device with plasma arcquenching is of great capacity for its high thermal efficiency and low cost.