05_InstallaionInstructions_ EXFS100_engl. _12-07德和盛油气站防雷讲座

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1、ExIsolatingSparkGapsInstallationinstructions绝缘火花间隙应用说明EXFS100Abstractoftheinstallationinstructions应用说明摘要ExsparkgapsTypeEXFS100绝缘火花间隙EXFS10014.01.08/5299eEXFS100(di/dt)max(di/dt)maxLRüoftheconnectingcableRef.:Hasse,P.:Overvoltageprotectionoflowvoltagesystems,TÜV-VerlagGm

2、bH,Cologne,199814.01.08/2076e连接线缆阻抗Voltagedropûandinducedvoltagecausedby(di/dt)max压降û与(di/dt)max导致的感应电压EXFS100t1t(s)U(V)Uind<7kVU1U2Uas<=1,25kVIsolationjointLoopA=a•bU2/2U2/2AaU1bVoltagedropûandinducedvoltagecausedby(di/dt)max压降û与(di/dt)max导致的感应电压isdi/dt绝缘节点EXFS10013.09.07/541

3、9_bRechteckschleifezwischenzweiEckeneinerAbleitungBeispiel:例如:a=1mb=1mr=4mmM=2,870µHa2rbr<

4、矩形回路的计算方法回路绝缘法兰EXFS100InducedvoltageCalculationexampleacc.AfKNr.5感应电压计算举例-AfKNr.5应用情况下Example:实例:di=40kA/µsM=0,16µHUrmsFlange=5kVSolution:计算:U=M*di/dt;U=0,16µH*40kA/µsU=6,4kVUsFlange=5kV*Ö2UsFlange=7,0kV==>Uind“Insulationcoordinationisprovided!““绝缘火花间隙与防护要求匹配!“Sou

5、rce:SchwelmAnlagentechnikGmbH,AustriaEXFS10016.08.07/5315_aVideo视频FalseinstallationExsparkgapsTypeEXFS100虚接情况下绝缘火花间隙EXFS100M1M2M3InspectionoftheEXFS100(KU)EXFS100(KU)设备检测EXFS100GenerallytheEXFS100(KU)ismaintenance-free,aninspectioncanbemadee.g.accordingtoDINEN60079-17.Theinsp

6、ectionmeansforexamplethevisualcontroloftheenclosurefordamageaswellasoftheterminalsandconnectingcablesforbecominglooseordamageoftheinsulationthecleaningoftheinsulatingpathsandtoremoveconductivefilmsifnecessary(e.g.acc.toIEC60664-3:2003-02)theexaminationoftheterminalsforcontacts

7、afetytheelectricaltestingforshort-circuitingorsufficientinsulationcapability(Riso500k@250V).14.01.08/5325e_aExisolatingsparkgap-Inspection–绝缘火花间隙检测Type:EXFS100(KU);PartNo.923100(923101)型号:EXFS100(KU);货号:923100(923101)一般来说EXFS100(KU)是免维护的,也可依据DINEN60079-17规定进行检查.检查方法目测器件是否损坏以

8、及终端设备和连接电缆变得松动或绝缘损坏如有必要清洁绝缘路径和清除导电薄膜(可参照IEC60664-3:2003-02)检查