摘要:由于SF6气体具有优越的绝缘性能、灭弧性能和散热性能,自20世纪60年代早期,SF6气体就被应用在电力输配电系统的高压设备中。目前SF6气体在高压领域主要应用于断路器、GIS组合电器、复合开关,以SF6气体为绝缘的设备在高压、超高压占绝对主导地位。在中压领域主要应用在以SF6气体绝缘的高压开关成套设备(C—GIS、充气环网柜)、断路器和负荷开关等中。除用于高压开关设备外,SF6气体也开始向中高压输变电设备中的互感器、电容器、避雷器、熔断器、气体绝缘输电管道和变压器等领域应用发展。
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