一种新型小型化开关柜设计研究  

Design and Research of a New Miniaturization Switchgear

作　　者：王俊伟 张杰 李燕燕 WANG Jun-wei;ZHANG Jie;LI Yan-yan(Henan XJ Electric Switch Co.,Ltd,Xuchang 461000,China)

机构地区：[1]河南许继电气开关有限公司,河南许昌461000

出　　处：《电工电气》2025年第2期58-62,共5页Electrotechnics Electric

基　　金：国家电网公司科学技术项目(521997220031)。

摘　　要：为适应开关柜产品向小型化和紧凑型方向发展,开发出了一种新型小型化开关柜。该开关柜以12 kV/1250 A空气绝缘开关柜作为研究对象,依据相关标准,对电缆室、母线室、断路器室、仪表室、活门机构、主母排等主要功能单元及内部核心零部件进行创新设计和优化,通过摸底试验,解决了其中的小型化技术设计方案及绝缘、温升、动稳等关键问题。采用该方案开发的柜宽600 mm的产品样机,一次性通过了全套型式试验验证,具有结构紧凑、绝缘性好、温升可靠稳定、扩展方便、经济性好等特点。In order to adapt to the development of switchgear products in the direction of miniaturization and compactness,a new type of miniaturization switchgear has been developed.The switchgear cabinet takes 12 kV/1250 A air-insulated switchgear cabinet as the research object,and according to the relevant standards,it carries out innovative design and optimization of the main functional units and internal core parts,such as the cable room,busbar room,circuit breaker room,instrumentation room,flap mechanism,main busbar and so on,and solves the miniaturized technical design scheme and the key problems of insulation,temperature rise,dynamic stability and so on by means of the mapping test.The 600 mm wide prototype developed with this solution has passed a full set of type test verification,featuring compact struc-ture,good insulation,reliable and stable temperature rise,convenient expansion and good economy.

关 键 词：开关柜 小型化 绝缘 温升 型式试验 

分 类 号：TM591[电气工程—电器]