CN202957518U - 固体绝缘电压互感器柜 - Google Patents
固体绝缘电压互感器柜 Download PDFInfo
- Publication number
- CN202957518U CN202957518U CN 201220656284 CN201220656284U CN202957518U CN 202957518 U CN202957518 U CN 202957518U CN 201220656284 CN201220656284 CN 201220656284 CN 201220656284 U CN201220656284 U CN 201220656284U CN 202957518 U CN202957518 U CN 202957518U
- Authority
- CN
- China
- Prior art keywords
- voltage transformer
- isolating switch
- cabinet
- connector
- lightning arrester
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000007787 solid Substances 0.000 title claims abstract description 24
- 238000009413 insulation Methods 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 10
- 238000009434 installation Methods 0.000 abstract description 2
- 239000004065 semiconductor Substances 0.000 abstract 2
- 238000007789 sealing Methods 0.000 abstract 1
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 230000003044 adaptive Effects 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound 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Abstract
本实用新型公开了一种固体绝缘电压互感器柜，包括有装在柜体内的电缆靴连接件、隔离开关、隔离开关操纵机构等。电缆靴连接件隔离开关、避雷器连接件和电压互感器的外面均包覆有固体绝缘层，在固体绝缘层表面设有半导电材料，电压互感器安装在柜体顶部的一块安装板上；避雷器连接件位于电压互感器与隔离开关之间。在电压互感器和隔离开关内均设有均压罩，各部件之间的连接都是通过锥形插头与插孔的形式插接；在每个连接处两端接触面靠内的部分间隔有锥形密封垫，上述部件表面的半导电材料层通过螺栓和嵌件与柜体导电连接。本实用新型与现有技术相比，解决了已有固体绝缘电压互感器柜体积较大，绝缘性能不高等问题。
Description
固体绝缘电压互感器柜技术领域
[0001] 本实用新型涉及高压电カ设备制造技术领域，特别是ー种一次部件全部采用固体绝缘的电压互感器拒。
背景技术
[0002] 已有的环网电压互感器柜常用的有一种空气式环网电压互感器柜在柜内的隔离开关以及一次线的连接端是以空气为绝缘介质，其中的接地开关、隔离开关触头为刀头式，相间利用空气绝缘。由于采用空气进行隔离绝缘，相间以及相对地间都要求有足够的隔离距离，一方面绝缘性能不高，另一方面会造成柜体外形尺寸大，这就导致整体体积较大。
发明内容
[0003] 本实用新型的目的在于提供一种解决已有环网电压互感器柜绝缘性能不高和体积较大问题的固体绝缘电压互感器柜。
[0004] 为了解决上述问题，本固体绝缘电压互感器柜的技术方案是:这种固体绝缘电压互感器柜，包括有装在柜体内的电缆靴连接件、隔离开关、避雷器连接件、电压互感器、隔离开关操纵机构等。在所述电缆靴连接件、所述避雷器连接件、所述电压互感器和所述隔离开关的外面除连接端口外均包覆有固体绝缘层，在所述固体绝缘层表面设有半导电材料，所述电压互感器安装在柜体顶部的一块安装板上；所述避雷器连接件位于所述电压互感器与所述隔离开关之间；在所述隔离开关的静触头处设有均压罩。
[0005] 上述技术方案中，更具体的技术方案可以是:所述电缆靴连接件、所述隔离开关、所述避雷器连接件、所述电压互感器之间的连接都是通过锥形插头与插孔连接；在每个连接处两端的所述固体绝缘层之间的接触面靠近外表面的部分相互贴合，使两个连接件之间的所述半导电材料层也实现导电连接，在所述接触面靠内的部分间隔有锥形密封垫。
[0006] 进ー步的:通过螺栓、锥垫和嵌件将所述体绝缘隔离开关和所述避雷器连接件、所述避雷器连接件和所述电压互感器表面的所述半导电材料层连通，并与所述柜体连接。
[0007] 由于采用上述技术方案，本实用新型与现有技术相比具有如下有益效果:
[0008] 1、本实用新型具有结构紧凑，体积较小，安装维护方便。
[0009] 2、本实用新型绝缘性能好，运行可靠，环境适应能力強。
附图说明
[0010] 图1是本实用新型的主示意图。
[0011] 图2是图1中A处的局部放大图。
[0012] 图3是图1中B处的局部放大图。
具体实施方式
[0013] 下面结合附图对本实用新型作进ー步说明:[0014] 图1所示的固体绝缘电压互感器柜包括有柜体1，电缆靴连接件6，隔离开关4，避雷器连接件10，电压互感器2和隔离开关操纵机构3等。在电缆靴连接件6，避雷器连接件10，电压互感器2和隔离开关4的外面除连接端口外均包覆有固体绝缘层，在固体绝缘层表面设有半导电材料，柜体I内设有仪表室1.1和高压室1.2，在高压室1.2内装有电缆靴连接件6，电缆靴连接件6接在隔离开关4的进线端，隔离开关4的三相出线端朝向上，每ー相出线端与设在隔离开关4上方的避雷器连接件10的相应相进线端连接，避雷器连接件10上方的电压互感器2固定在安装板上，隔离开关4的左侧连接隔离开关操纵机构3 ;在隔离开关4的静触头处设有半圆形的均压罩12。
[0015] 电缆靴连接件6，隔离开关4，避雷器连接件10电压互感器2均是除连接端ロ之外的外面具有环氧树脂绝缘层的高压器件，在这些高压器件的环氧树脂绝缘层外表面均设有硅橡胶加碳粉的半导电材料层。电缆靴连接件6与隔离开关4的连接，隔离开关4与避雷器连接件10的连接以及避雷器连接件10与电压互感器2的连接都是通过锥形插头与插孔连接，在每个连接处两端的固体绝缘层之间的接触面靠近外表面的部分相互贴合，使两个连接件之间的半导电材料层也实现导电连接，在接触面靠内的部分间隔有锥形密封垫5。通过内六角螺栓7、锥垫8和嵌件9把隔离开关4、电缆靴连接件6、避雷器连接件10、电压互感器2等所有高压器件的外表面的半导电材料层连接到柜体1，通过柜体I良好接地，由此整个设备实现小体积的紧凑布局设计。
Claims (3)
1.ー种固体绝缘电压互感器柜，包括有装在柜体(I)内的电缆靴连接件(6)、隔离开关(4)、避雷器连接件(10)、电压互感器(2)，其特征在干:在所述电缆靴连接件(6)、所述避雷器连接件(10)、所述电压互感器(2)和所述隔离开关(4)的外面除连接端口外均包覆有固体绝缘层，在所述固体绝缘层表面设有半导电材料；所述电压互感器(2 )安装在柜体(I)顶部的一块安装板上；所述避雷器连接件(10)位于所述电压互感器(2)与所述隔离开关(4)之间；在所述隔离开关(4)的静触头处设有均压罩(12)。
2.根据权利要求1所述的固体绝缘电压互感器柜，其特征在于:所述电缆靴连接件(6)、所述隔离开关(4)、所述避雷器连接件(10)、所述电压互感器(2)之间的连接都是通过锥形插头与插孔连接；在每个连接处两端的所述固体绝缘层之间的接触面靠近外表面的部分相互贴合，使两个连接件之间的所述半导电材料层也实现导电连接，在所述接触面靠内的部分间隔有锥形密封垫(5 )。
3.根据权利要求1或2所述的固体绝缘电压互感器柜，其特征在于:通过螺栓(7)、锥垫(8)和嵌件(9)将所述体绝缘隔离开关(4)和所述避雷器连接件(10)、所述避雷器连接件(10)和所述电压互感器(2)表面的所述半导电材料层连通，并与所述柜体(I)连接。
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