emc测试项目介绍.ppt

-Radiodisturbancecharacteristics-Limitsandmethodsofmeasurement(IEC/CISPR13)-Immunitycharacteristics-Limitsandmethodsofmeasurement(IEC/CISPR20)EN61000-3-(EMC).第3部分::谐波电流辐射的极限值(设备输入电流为16A/相位)patibility(EMC)-Part3:Limits;section2:urrentemissions(equipmentinputcurrent16Aperphase)EN61000-3-(EMC).第3-3部分:(对额定电流小于和等于16A的设备)patibility(EMC)-Part3-3:Limits;Limitationofvoltagechanges,voltagefluctuationsandflickerinpubliclow-voltagesupplysystems,forequipmentwithratedcurrent16AperphaseandnotsubjecttoconditionalconneEN55020测试项目S1:天线输入端差模干扰;S2a:电源端、扬声器、耳机、音频信号输出输入端的干扰电压S2b:天线输入端共模干扰电流;S3:辐射干扰;S4:天线端的屏蔽效能;S5:脉冲调制干扰波900MHz;ESD:静电放电;EFT:快速电脉冲群EN55013测试项目电源端口的传导干扰电压天线端子的传导干扰电压天线端子的传导干扰电压RF输出端有用信号和骚扰信号电压骚扰功率辐射骚扰电源端口的传导干扰电压限值人工电源网络1人工电源网络2电源端骚扰电压测量布置图电源端骚扰电压测量布置俯视图天线端子的传导干扰电压限值1天线端子的传导干扰电压限值2