Fuse insulating sleeve used for solid insulating ring main unit
A technology of solid insulation and ring network cabinets, applied in the configuration/arrangement of fuses, etc., can solve problems affecting the breaking performance of fuses, contamination of fuse surfaces, explosions of ring network cabinets, etc., to achieve light weight and improve antifouling capabilities , the effect of improving efficiency
Inactive Publication Date: 2014-07-16
SHANGHAI ROX ELECTRIC
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Problems solved by technology
[0003] At present, most of the fuse insulation cylinders used in solid-insulated ring network cabinets are single-phase, and the conductors electrically connected to the fuse pipes are exposed in the solid-insulated ring network cabinet. The surface of the fuse will be polluted and oxidized during long-term operation. , rust and other defects, these defects continue to accumulate, not only will affect the breaking performance of the fuse, but also have hidden dangers in insulation, in the case of overvoltage, it will cause insulation failure, and in severe cases, it will cause the ring network cabinet to explode and cause large-scale damage. power failure
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[0013] see figure 1 and figure 2 , the fuse insulation cylinder for solid insulation ring main unit of the present invention includes a first insulation cylinder 10, a second insulation cylinder 20 and a third insulation cylinder 30 fixedly connected to each other, the second insulation cylinder 20 Located between the first insulating cylinder 10 and the third insulating cylinder 30, the first incoming line terminal 11, the second incoming line terminal 21 and the third incoming line terminal 31 are sequentially arranged above the second insulating cylindrical body 20, Below the first insulating cylinder 10, the second insulating cylinder 20 and the third insulating cylinder 30, there are respectively a first outgoing line terminal 13, a second outgoing line terminal 23 and a third outgoing line terminal 33. The line terminal 11, the second line-in terminal 21 and the third line-in terminal 31 are provided with line-in conductors 12, 22, 32 respectively, and the line-in cond...
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The invention discloses a fuse insulating sleeve used for a solid insulating ring main unit. The fuse insulating sleeve comprises a first insulating sleeve body, a second insulating sleeve body and a third insulating sleeve body, wherein the first insulating sleeve body, the second insulating sleeve body and the third insulating sleeve body are fixedly connected together. A first incoming line terminal, a second incoming line terminal and a third incoming line terminal are sequentially arranged above the second insulating sleeve body. A first outgoing line terminal, a second outgoing line terminal and a third outgoing line terminal are arranged below the first insulating sleeve body, the second insulating sleeve body and the third insulating sleeve body respectively. Incoming line conductors are arranged in the three incoming line terminals respectively and extend into the first insulating sleeve body, the second insulating sleeve body and the third insulating sleeve body respectively. Outgoing line conductors are arranged in the three outgoing line terminals respectively and extend into the first insulating sleeve body, the second insulating sleeve body and the third insulating sleeve body respectively. According to the fuse insulating sleeve used for the solid insulating ring main unit, the contamination prevention capacity of a fuse is improved, insulating performance of the fuse is improved, running reliability, under long-time running, of the fuse is improved, and the fuse is convenient to install.
Description
technical field [0001] The invention relates to a fuse for a solid insulating ring network cabinet, in particular to a fuse insulating cylinder for a solid insulating ring network cabinet for fixing and electrically connecting the fuse for a solid insulating ring network cabinet. Background technique [0002] Solid insulated ring main unit is a very important switch device in power distribution system, especially in urban power distribution system. It has the advantages of small size, high reliability and environmental protection. Fuses are key components on solid insulated ring main units. [0003] At present, most of the fuse insulation cylinders used in solid-insulated ring network cabinets are single-phase, and the conductors electrically connected to the fuse pipes are exposed in the solid-insulated ring network cabinet. The surface of the fuse will be polluted and oxidized during long-term operation. , rust and other defects, these defects continue to accumulate, not ...
Claims
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IPC IPC(8): H02B1/18
Inventor 谭东现刘玉春刘国利董雪生
Owner SHANGHAI ROX ELECTRIC