The concept,basic principle,characteristic and basic composition of the permanent magnetism operating mechanism type in medium voltage quick-break circuit breaker are introduced.
介绍永磁操作机构型中压快速断路器,结合湖北省城市配网的应用情况阐述其对提高配网可靠性的作用。
Nowadays at abroad, the structure of arc quenching chamber in D.
当今国外很多快速断路器制造厂商生产的快速断路器的灭弧室结构形式,已从传统的带有磁吹装置的纵缝灭弧室,改为采用不带磁吹装置的栅片式灭弧室或绝缘钢片灭弧室以及螺旋电弧灭弧室等,文章对直流快速断路器的灭弧系统、各种灭弧室的灭弧原理及设计灭弧系统中的注意事项作了介绍。
Application of the fast sulphur determination device of intelligence in Panbei Coal Preparation Plant;
快速智能定硫仪在盘北选煤厂的应用
New technology for fast purifying high turbidity sewage;
高浊度污水快速净化新技术
Comprehensive Mechanized Coal Face Install Experience Discussion fast;
综采面快速安装经验探讨
Optimization of Quick Maintaining Green Color,Keeping Crispness and Freshness of the Pteridium Aguilinum kuhnvar;
蕨菜快速护绿保脆保鲜工艺优化研究
The quick three dimensional numerical simulation of multistage compressor;
多级压气机快速三维数值模拟
Study on quickly pickling of stainless steel oxide layer on room temperature;
不锈钢氧化皮常温快速清洗液的研制
In high technology war,engineers must build fortifications quickly and flexibly to improve viability of army.
高技术战争条件下 ,需要快速构筑野战工事以提高部队的生存能力 ,因此必须选用一种能有效吸收冲击能量、轻质高强且具有不燃、无毒、保温等性能的新材料。
In order to find and eliminate the fault point quickly and accurately,all kinds of faults characters must be studied.
为了能快速准确地发现线路故障点,及时消除故障,恢复送电,必须掌握线路的各类故障特点,设备特性,运行环境,并对保护知识,气象特点有所了解,线路跳闸后,应根据保护动作、测距情况、故障相别,结合线路特点初步判断出故障类型,再通过对线路运行环境、设备特性的了解,大致判断出故障位置,才能迅速,准确地找出故障点。