首页> 外国专利> Detecting device for fault arcs, in particular for their detection on bus bar arrangements in low-voltage switch gears

Detecting device for fault arcs, in particular for their detection on bus bar arrangements in low-voltage switch gears

机译:故障电弧的检测装置,特别是用于检测低压开关装置中的母线布置的故障电弧

摘要

Known arc detection devices for detecting fault arcs use the light emitted by the arc, with the disadvantage that external light can lead to erroneous tripping. Others detect the fault arc too late or are too complex (costly). In the case of the present detection devices, the fault arc is detected by means of at least one Hall sensor (1) which is arranged in the region in which the magnetic field originating from the arc acts, a Hall sensor preferably being used which changes its switching state only when a magnetic field runs parallel to the sensor surface, and is arranged at a distance of a few centimetres, from the installation parts (R, S, T) (R, Y, B in non-German systems) which carry the operating voltage. In addition, a second detector can be arranged, consisting of an optical waveguide (optical fibre cable) (8), the optical waveguide being arranged in the immediate vicinity or around live parts, and the light from the fault arc being coupled in through the sheathing of the optical waveguide. IMAGE
机译:用于检测故障电弧的已知电弧检测装置使用由电弧发射的光,其缺点是外部光会导致错误的跳闸。其他人则发现故障电弧太迟或太复杂(成本高昂)。在本发明的检测装置的情况下,通过至少一个霍尔传感器(1)来检测故障电弧,该霍尔传感器布置在源自电弧的磁场作用的区域中,优选地使用变化的霍尔传感器。仅当磁场平行于传感器表面并且与安装零件(R,S,T)(非德国系统中的R,Y,B)相距几厘米的距离布置时,其开关状态承受工作电压。另外,可以布置第二个检测器,该第二个检测器由光波导(光纤电缆)(8)组成,光波导布置在带电部件的附近或附近,来自故障电弧的光通过光波导耦合。光波导的护套。 <图像>

著录项

相似文献

  • 专利
  • 外文文献
  • 中文文献
获取专利

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号