开关电源测试项目及内容

DC1242-12_V1.2电源测试,测试目的:确认电源的性能与可靠度，提供具有依据的测试数据给客户参考。确保研发出高性能，高稳定性，高可靠度的产品。保证公司产品的知名度与良好反应。,InrushCurrent开机瞬间电流,Purpose:Measuretheinrushcurrentoftheinputwhilethepowersupplyturnon.目的:量测输入电源电压瞬间开启时，电源供应器之瞬间开机电流.EnvironmentalConditions:Temperature25,RelativeHumidity65%环境条件:温度25相对湿度65%TestConditions:1.Theinputvoltagefrequencymustbeunderanyconditionintherangeoftheproductspecification测试条件:1.输入电压以产品规格之全电压频率范围Min/115Vac/230Vac/Max2.Theoutputloadisfullloadonalloutputsatundertheproductspecification.2.输出负载以产品规格之最大额定电流值3.ThemeasurementcanbeimplementedonlywhentheACinputvoltageatthephaseof90andthenthepowersupplyturnon.3.量测时必须于输入之交流电压在相角90时，将电源供应器开启，量测其输出入瞬间电流量4.Dothetestincoldstartonetime,sodoinhotstartonetime.4.冷机和热机各做一次.Resultlimit:Surethereisnodamageofcomponents.结果判定:不能造成产品组件损坏.,TestWaveform,1.InputCurrentHumidity:65%环境条件:温度25;湿度65%.TestConditions:1.TheinputvoltageHumidity:65%环境条件:温度25;湿度65%.TestConditions:1.TheinputvoltageDuringtheFallTime,novibrationover50%ofeachoutputvoltageoccurs.结果判定:上升时间符合产品规格;下降时间不能有大于电压值50%的振荡现象.,TestWaveform(Rise),SBRiseWaveform,-12VRiseWaveform,FallWaveform(+5vsb),FallWaveform(-12v),TestWaveform(Fall),TurnonDelayTime开机延迟时间,Purpose:MeasurethetimebetweenACinputpowerontooutputvoltageriseto95%ofnormal.目的:量测交流输入接通时到输出电压上升至95%时之延迟时间.TestConditions:1.Theinputvoltagefrequencymustbeunderanyconditionintherangeoftheproductspecification测试条件:1.输入电压以产品规格之全电压频率范围2.Theoutputloadisfullloadonalloutputsatundertheproductspecification.2.输出负载以产品规格之最大额定电流值3.ThetimeisfromtheappearingofACwaveformto95%outputvoltage.3.从交流波形出现至被指定输出电压(+5V)上升到95%这段时间.4.Dothetestincoldstateonetime,sodoinhotstateonetime.4.冷机和热机各做一次.Resultlimit:Thestart-upTimecannotmorethan10secondorperastherequirementsofproductspecification.结果判定:开机延迟时间小于10秒或按产品规格书之规定(2000mS).,TurnonDelaywaveform,ON/OFF（Power-onTime)控制开/关,Purpose:Measuretheenabling/disablingvoltageforremoteON/OFF.目的:量测控制开/关的开关需求电压.EnvironmentalConditions:Temperature:25;Humidity:65%环境条件:温度25;湿度65%.TestConditions:1.TheinputvoltageNeutralwiretoground,PrimarytoSecond.2.测量L对GND,N对GND,一次侧对二次侧之漏电流.Resultlimit:Theleakagecurrentmustlessthan3.5mA结果判定:漏电流小于3.5mA.,GroundResistance接地阻抗,Purpose:Checkwhetherthecasegroundswell.目的:测量电源外壳接地是否良好TestConditions:1.Current40Adc,Resistance100m.测试条件:1.直流电流25A、阻抗100M,Open&Short(Abnormal)开路与短路,Purpose:Whenoneimportantcomponentisopenorshort,whatwillhappentotheSPS.目的:观察当一个组件开路或短路时,POWER所发生的现象.TestCondition:1.Theprimaryinputvoltage&frequencyisagainstthemaximumandtheminimumoftherated.测试条件:1.初级部分输入电压以产品规格之最高、最低电压及频率.Thesecondaryinputvoltageisagainstthemediumoftherated.次级部分输入电压以产品规格之中心电压及频率.2.Theoutputloadisthemaximumloadofspecificationregulation.2.输出负载以产品规格之最大额定电流值3.ThereisntovercurrentprotectivedeviceequipmentatACinputlineandthepowercanoffonlyafterstability.3.交流输入不能有过流保护装置及现象发生至稳定后才能切断电源.Resultlimit:Aftereachtest,(IftheSPSisdamaged,shoulddoaHi-PotTest,andcanPass)结果判定:每次测试结束后(如果电源有损坏的现象发生,应该做一次高压测试,测试结果要求可以通过),HarmonicCurrent谐波电流-EN61000-3-2,谐波电流是指那些为供电系统额定功率频率整数倍的正弦电压或正弦电流。它是由非线性电压(或电流)特性设备引起的，如开关电源.谐波电流限定分为A，B，C，D四类标准，分别为：A类：平衡的三相设备(如音频设备,电动工具等)B类：便携式设备，非专用的电弧焊接设备.C类：照明设备(灯和灯具等)D类：功率小于或等于600W的个人计算器，显示器等.开关电源属于D类，其标准如下表:,EMIConduction&Radiation电磁兼容传导和辐射,Purpose:ChecktheabilityofresistingtoEMIandtheoutwardinterferencedegree.目的:量测电源之电磁抗干扰能力及对外干扰程度.Testconditions:1.FCC15standard:Inputvoltage120Vac,Outputloadishalf&fullloadofproductspecification.测试条件:1.FCC15标准:输入电压为120Vac,输出负载为产品规格的半载和满载.2.EN55022standard:Inputvoltage220Vac,OutputloadisMaximumloadofproductspecification.2.EN55024标准:输入电压220Vac,输出负载为产品规格的最大额定电流值.Resultlimits:Passtheabovetwostandards.结果判定:两种标准都必须PASS,EMICriteriaEMI标准,Conduction-传导Radiation-辐射,OtherSafetyTestItem其它安规测试项目,VoltageFluctuation/FlickerMeasurement电压波动、闪烁-EN61000-3-3ElectrostaticDischarge静电放电-EN61000-4-2ElectricalFastTransient/BurstMeasurement电快速脉冲群-EN61000-4-4SurgeMeasurement/