| 复合绝缘套管的导体与瓷套间的内腔充满变压器油 |
| 添加时间：2019/6/18 14:56:47 浏览次数： |
| 以油或气体作绝缘介质，一般制成变压器套管或断路器套管，常用于35千伏以下的电压等级。复合绝缘套管的导体与瓷套间的内腔充满变压器油，起径向绝缘作用。 Using oil or gas as insulation medium, transformer bushing or circuit breaker bushing is usually made, which is often used in voltage level below 35 kv. The inner cavity between the conductor of the composite insulating bushing and the porcelain bushing is filled with transformer oil, which acts as radial insulation. 当电压超过35千伏时，在导体上套以绝缘管或包电缆线，以加强绝缘。复合绝缘套管的导体结构有穿缆式和导杆式两种。穿缆式利用变压器的引出电缆直接穿过套管,安装方便。当工作电流大于600安时，穿缆式结构安装比较困难，一般采用导杆式结构。 When the voltage exceeds 35 kilovolts, insulating tubes or cables are coated on conductors to enhance insulation. The conductor structure of composite insulating sleeve has two types: cable-piercing type and guide rod type. The cable-piercing type uses the lead cable of transformer to pass through the bushing directly, which is convenient to install. When the working current is more than 600 amperes, it is difficult to install the cable-piercing structure, which usually adopts the guide rod structure. |
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