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1、 2007 DEHN+SHNE/protected by ISO 16016Ex Isolating Spark Gaps Installation instructions绝缘火花间隙应用说明绝缘火花间隙应用说明 2007 DEHN+SHNE/protected by ISO 16016EXFS 100Abstract of the installation instructions应用说明摘要应用说明摘要Ex spark gaps Type EXFS 100绝缘火花间隙绝缘火花间隙 EXFS 10014.01.08/5299e 2007 DEHN+SHNE/protected by ISO
2、 16016EXFS 100(di/dt)max(di/dt)maxLR of the connecting cable Ref.:Hasse,P.:Overvoltage protection of low voltage systems,TV-Verlag GmbH,Cologne,199814.01.08/2076e连接线缆阻抗连接线缆阻抗Voltage drop and induced voltagecaused by(di/dt)max压降压降 与与(di/dt)max 导致的感应电压导致的感应电压 2007 DEHN+SHNE/protected by ISO 16016EXFS
3、100t1t(s)U(V)Uind 7 kVU1U2Uas=1,25 kVIsolation jointLoop A=a bU2/2U2/2AaU1bVoltage drop and induced voltagecaused by(di/dt)max压降压降 与与(di/dt)max 导致的感应电压导致的感应电压 isdi/dt绝缘节点绝缘节点 2007 DEHN+SHNE/protected by ISO 16016EXFS 10013.09.07/5419_bRechteckschleife zwischen zwei Ecken einer AbleitungBeispiel:例如例如
4、:a=1 mb=1 mr=4 mmM=2,870Ha2rbr Uind “Insulation coordination is provided!“绝缘火花间隙与防护要求匹配绝缘火花间隙与防护要求匹配!“Source:Schwelm Anlagentechnik GmbH,Austria 2007 DEHN+SHNE/protected by ISO 16016EXFS 10016.08.07/5315_a Video视频视频False installation Ex spark gaps Type EXFS 100虚接情况下绝缘火花间隙虚接情况下绝缘火花间隙 EXFS 100M1M2M3 2
5、007 DEHN+SHNE/protected by ISO 16016Inspection of the EXFS 100(KU)EXFS 100(KU)设备检测设备检测 2007 DEHN+SHNE/protected by ISO 16016EXFS 100Generally the EXFS 100(KU)is maintenance-free,an inspection can be made e.g.according to DIN EN 60079-17.The inspection means for example the visual control of the encl
6、osure for damage as well as of the terminals and connecting cables for becoming loose or damage of the insulationthe cleaning of the insulating paths and to remove conductive films if necessary(e.g.acc.to IEC 60664-3:2003-02)the examination of the terminals for contact safetythe electrical testing f
7、or short-circuiting or sufficient insulation capability(Riso 500 k 250 V).14.01.08/5325e_aEx isolating spark gap-Inspection 绝缘火花间隙检测绝缘火花间隙检测Type:EXFS 100(KU);Part No.923 100(923 101)型号型号:EXFS 100(KU);货号货号:923 100(923 101)一般来说一般来说EXFS 100(KU)是免维护的是免维护的,也可依据也可依据DIN EN 60079-17规定进行检查规定进行检查.检查方法检查方法目测器件
8、是否损坏以及目测器件是否损坏以及终端设备和连接电缆终端设备和连接电缆变得松动或绝缘损坏变得松动或绝缘损坏如有必要清洁如有必要清洁绝缘绝缘路径和清除导电薄膜路径和清除导电薄膜(可参照可参照IEC 60664-3:2003-02)检查终端安全连接检查终端安全连接进行短路或绝缘能力测试进行短路或绝缘能力测试(Riso 500 k 250 V).2007 DEHN+SHNE/protected by ISO 16016EXFS 10014.01.08/5326eRange of values at measuring with PM 20PM 20检测范围检测范围600V Ua 1000VEx isolating spark gap-Testing with PM 20(test device)-Type:EXFS 100(KU);Part No.923 100(923 101)使用使用PM 20(检测设备检测设备)对防爆绝缘火花间隙检测对防爆绝缘火花间隙检测 型号型号:EXFS 100(KU);货号货号:923 100(923 101)