austen:
按照標(biāo)準(zhǔn)EN55015:2000,單獨(dú)的電子變壓器一般情況下是要做負(fù)載端的傳導(dǎo)干擾的,只有在以下兩種情況下可不做:1)負(fù)載端帶有固定的不可分離的負(fù)載線;2)制造商在安裝說(shuō)明書(shū)上明確規(guī)定安裝位置,類(lèi)型,最大負(fù)載線長(zhǎng)度等信息.>如果產(chǎn)品想避開(kāi)負(fù)載端干擾測(cè)試,>最好在說(shuō)明書(shū)中規(guī)定線徑等其他安裝信息.相關(guān)內(nèi)容可參考如下:>5.3.3Independenttransformersandconvertorsforincandescentlamps>5.3.3.1General>Transformersforincandescentlampschangeonlythevoltageanddonot>convertthemainsfrequency,>whereasconvertorsalsoconvertthefrequency.Bothkindsofdevicescan>incorporatemeansfor>regulatingthelightoutputofthelamps.>5.3.3.2Independenttransformers>Forvoltagetransformersforincandescentlampswhichdonotregulatethe>voltagebymeansofactive>electroniccomponents,theconditionof5.2.2applies.Otherindependent>transformersfor>incandescentlampsshallcomplywiththeterminalvoltagelimitsgivenin>tables2aand2b.>5.3.3.3Independentconvertors>Independentelectronicconvertorsforincandescentlampsshalleither:>a)complywiththeterminalvoltagelimitsgivenintables2aand2b;or,>b)wheretheconvertorhasanon-detachableloadsupplycable,orwherethe>manufacturer>givesstrictinstallationinstructionswhichdefinetheposition,typeand>maximumlengthof>cable(s)tobeconnectedtothelamp(s),thentheconvertorshallcomply>withtheterminal>voltagelimitsgivenintable2aandwiththeradiateddisturbancelimits>givenintable3,>undertheseconditions.