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IEC电气装置蓝色安全保护防止过流保护(外文文献翻译).doc


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-2008LOW-VOLTAGEELECTRICALINSTALLATIONS-3Part4-43:-sectionalareaoranotherchangemade,providedthatitpossessesanoperatingcharacteristicsuchthatitprotectsthewiringsituatedontheloadsideagainstshort-circuit,-circuitProvidedthatbothofthefollowingconditionsaresimultaneouslyfulfilled:•thewiringisinstalledinsuchawayastoreducetheriskofashort-circuittoaminimum(seeitemb)),and•bustiblematerial,devicesforprotectionagainstshort-circuitneednotbeprovidedforapplicationssuchas:a)conductorsconnectinggenerators,transformers,rectifiers,accumulatorbatteriestotheassociatedcontrolpanels,theprotectivedevicesbeingplacedinthesepanels;b)circuitswheredisconnectioncouldcausedangerfortheoperationoftheinstallationsconcerned,;c)certainmeasuringcircuits;d)attheoriginofaninstallationwherethedistributorinstallsoneormoredevicesprovidingprotectionagainstshort-circuitandagreesthatsuchadeviceaffordsprotectiontothepartoftheinstallationbetweentheoriginandthemaindistributionpointoftheinstallationwherefurthershort---,thenoneormoreofthefollowingmeasuresshallbetaken:a)Thewiringshallbecarriedoutinsuchawayastoreducetoaminimumtheriskofashort-circuitinanyparallelconductor,forexamplebyprotectionagainstmechanicaldamage,)Fortwoconductorsinparallel,ashort-)Formorethantwoconductorsinparallel,short-circ

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  • 页数11
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  • 上传人AIOPIO
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  • 时间2020-07-10