基于一体式极柱的12 kV环保气体绝缘环网柜的研制  

Research and Manufacture of a Novel 12 kV Environmental-friendly Gas Insulated RMU Based on an Integrative Embedded Pole

作　　者：朱彦卿 蒋成博 娄源通 朱志豪 冯祥伟 王海燕 ZHU Yanqing;JIANG Chengbo;LOU Yuantong;ZHU Zhihao;FENG Xiangwei;WANG Haiyan(Pinggao Group Co.,Ltd.,Henan Pingdingshan 467001,China)

机构地区：[1]平高集团有限公司,河南平顶山467001

出　　处：《高压电器》2020年第11期46-50,共5页High Voltage Apparatus

基　　金：国家电网有限公司总部科技项目(基于提高配电网绝缘和通流可靠性的新一代开关设备关键技术研究与产品研制)资助。

摘　　要：为了提升环保环网柜的绝缘性能,文中提出一种新型环保环网柜用固封极柱设计方案,它将真空开关与三工位集成浇注为一整体,充分利用复合绝缘,将分散零部件归整,结构简单紧凑,从整体结构上避免了绝缘薄弱环节。基于所述的一体式极柱,研制出一种新型环保环网柜,其结构尺寸完全满足国网环保环网柜标准化设计要求。随后进行了3维电场计算绝缘分析和样机试验验证,结果表明,设计的新型的环保环网柜具有优良的绝缘性能,在零表压下通过绝缘试验。In order to enhance the insulation strength of environmental Ring Main Unite(RMU),this paper presents a novel design scheme for the RMU solid-insulation-embedded pole,in which the vacuum interrupter and three-posi-tion-switch are both sealed with epoxy resin or other insulating material as a whole.As a result,composite insulation is made full use to reduce or avoid the insulation weak links and faults.Meanwhile the structure arrangement becomes rather simple and compact.Based on the design scheme of embedded pole a novel environmental ring main unit is de-veloped strictly according to State Grid’s standardize demands.The calculation of the 3-D electric field and insulation analysis are then conducted.And type tests are also carried out.The results show that the new designed ring main unit switchgear possesses rather good insulation strength and can endure the insulation test under zero-gauge pressure.

关 键 词：环保环网柜 一体式固封极柱 复合绝缘 电场仿真 三工位 

分 类 号：TM643[电气工程—电力系统及自动化]