austen:
按照标准EN55015:2000,单独的电子变压器一般情况下是要做负载端的传导干扰的,只有在以下两种情况下可不做:1)负载端带有固定的不可分离的负载线;2)制造商在安装说明书上明确规定安装位置,类型,最大负载线长度等信息.>如果产品想避开负载端干扰测试,>最好在说明书中规定线径等其他安装信息.相关内容可参考如下:>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.