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QM/KST武汉康思坦船舶电器有限公司WuhanConstantShipelectricapplianceCo.,LTDKST-GC-09-S-V1.0产品说明书Productspecification型号:SCT系列充电电源MODEL:SCTSerieschargingpowersupply制作商:武汉康思坦船舶电器有限公司BUSIBESS:WuhanConstantShipelectricapplianceCo.,LTD地址:武汉市洪山区白沙洲大道建和工业园1栋3楼3rdFloor,No.1Building,JianHeIndustrialPark,BaishazhouAvenue,HongshanDistrict,Wuhan联系电话:027-88152340TEL:027-88152340邮编:430064MAIL:4300642感谢您购买本公司开发生产的电源产品!Thanksforpurchasingthepowersupplyproductsdevelopedandproducedbyus!请您在使用本产品前详细阅读本使用说明。Pleasereadtheinstructionscarefullybeforeusingtheproducts.一、概述:I.GeneralKST是应用高频PWM脉宽调制技术,以IGBT、场效应功率管和脉宽调制集成控制器为主要部件而构成的开关电源式多功能充电电源。它省去了笨重又有噪音的工频变压器,使得整机重量只有可控硅充电电源的四分之一,3KW的KST充电电源整机重量8公斤。另外电源还提供有多个功能模块选配,整机采用智能冷却,即使在最高温的机舱内也能保证电源可靠工作。KST系列电源满足中国船级社的各种规范规则,符合船用电气及规范的基本标准。KSTappliesPulseWidthModulation(PWM)technology,beingmultiple-functionswitchingchargingpowersupplywithIGBT,MOSFETandPWMintegratedcontrollerasmainparts.Heavypowerfrequencytransformerwithnoiseisnotused,whichmakestheweightofthewholesetbe1/4ofsiliconcontrolledcharger.Thewholesetof3KWKSTchargingpowersupplyweighs8kilograms.Thepowersupplyalsoprovidesseveralfunctionmodulesformatching.Thewholesetadoptssmartcoolingprocess,thereforethepowersupplycouldworkreliablyinengineroomwiththehighesttemperature.KSTseriespowersupplymeetsallthespecificationsandrulesofChinaClassificationSocietyandbasicstandardsofmarineelectricstandards.本充电电源为三阶段自动充电电源(恒流均衡充电-恒压均衡充电-浮充电)如下图所示。对电瓶充电的全过程是先进入均衡充电,自动完成先恒流,后恒压,待电流降到接进零时均衡充电完成,令其自动转入“浮充”,以涓流维持电瓶在满充状态。其充电详细过程如下:Threestagesoftheautomaticchargingpowersupplyareconstant-currentequalizingcharge,constant-voltageequalizingchargeandfloatingchargeasshowninthefollowingfigure.Thewholeprocessofbatterychargeistoenterthemodeofequalizingchargefirstandautomaticallyfinishestheconstant-currentandthenconstant-voltagecharge.Theequalizingchargeisfinishedwhenthecurrentisnearzero,andthemodeshouldbetransferredinto“Floatingcharge”(manuallyorautomatically).Thetricklemaintainsthestatusoffullcharge.Thedetailedprocessofchargeisasfollows:以24V铅酸蓄电池为例,过程是:接好电池,开启后,充电电源软启动,电压从21.6V(电池放电下限值)开始上升,充电电流逐步增大到额定恒流值,充电电源进入恒流充电过程,此3后充电电压逐渐升至28.2V(均充电压值),此恒流充电过程一般情况下约需1~2小时;然后,充电电源进入均衡充电过程,在此过程中,充电电流逐渐缓慢下降,电源退出恒流工作,此时电源电压不变,进入到恒压均衡充电状态,此充电过程约需4~6小时,随着电流的进一步减小到额定电流的十分之一时,电源自动判断为电池已充好,电源自动转为浮充阶段,即输出电压将为26.4V,充电电流则进一步减小甚至为零,在没有外部变化情况下,此后电源一直维持这种状态,补充电池的自耗电。采用这种充电方式能够较快、均衡的对电池组进行充电,充满后充电电源能自动转换到浮充,维持电池正常电压避免出现电池过充,从而实现无人值守充电工作方式。Takethe24Vleadacidbatteryasanexample:theprocessisthatwhenthebatteriesareconnectedandturnedon,softstartingofthechargingpowersupplyisfinished;voltagerisesfrom21.6V(lowerlimitofbatterydischarge);currentincreasesteadilytoratedvalueofconstantcurrent;chargingpowersupplyentersintoprocessofconstant-currentcharge;thechargevoltagegraduallyrisesto28.2V(averagevoltagechargevoltage),andtheconstantcurrentchargeusuallylastsfor1-2hours.Thenthechargingpowersupplyenterstheprocessofequalizingcharge,andintheprocessthecurrentgraduallyfalls;theconstant-currentworkofpowersupplyends.Thepowersupplykeepsbeingunchanged,andentersintothestatusofconstant-voltageequalizingcharge;theprocesslastsfor4-6hours;asthecurrentfurtherfallstobe1/10oftheratedcurrentvalue,thebatteryisautomaticallyregardedasfullycharged,andthepowersupplyentersthestageoffloatingcharge,i.e.theoutputvoltagewillbe26.4Vandthechargecurrentfurtherfallstozero;thenthepowersupplykeepsthestatustosupplytheself-consumption.Themannersenablefastandequalizingchargeofbattery,andthechargingpowersupplyautomaticallyswitchesintostatusoffloatingchargetomaintaintheusualvoltageofbatteryandavoidovercharging,thusthemethodofchargewithoutpeople’ssupervisionisrealized.备注:对不同种类的蓄电池其充电方式和充电压是不同的。Notes:Chargemethodsandvoltageofvarioustypesofbatteryaredifferent.本充电电源的电原理方框图如下示:Blockdiagramofelectricprincipleofthechargingpowersupplyisasfollows:EMI/软开关全桥整流平滑滤波平滑滤波平滑滤波输入过压、欠压保护风机控制逻辑变换主控过温保护均、浮充转换过流及短路保护采样反馈AC输入DC输出4二、技术指标II.TechnicalIndex1.输入电压:AC220V±15%;AC380V±15%;AC440V±15%(每种输入都可以选择单相或三相)1Inputvoltage:AC220V±15%;AC380V±15%;AC440V±15%(singlephaseorthreephasecouldbeselectedforeachtypeofinputvoltage)2.稳压精度:≤1%2Voltage-stabilizingprecision:≤1%3恒流精度:≤1%3Constant-currentprecision:≤1%4输出电压纹波:Vp-p≤1%4Outputvoltageripple:Vp-p≤1%5输出额定电压V0:24V,48V(可选)5Ratedoutputvoltage(VO):24V,48V(Optional)浮充电压:2.2VOXN(N为电池节数);均充电压:2.35VOXN(N为电池节数)Floatchargevoltage:2.2VOXN(Nreferstonumberofbatteries);averagechargevoltage:2.35VOXN(Nreferstonumberofbatteries)24V电池N为12,48V电池N为24N=12for24Vbattery;N=24for48Vbattery6输出额定电流IO:10A,20A,,30A,40A,60A,80A,160A,200A(可选)6RatedoutputcurrentIO:10A,20A,30A,40A,60A,80A,160A,200A(Optional)7工作效率:≥85%(额定测试)7Workingefficiency:≥85%(ratingtest)8工作时间:长期8Workingperiod:Longterm9冷却方式:风冷9Coolingmethod:Aircooling10防护等级:IP20或IP22、IP44以及客户需求的各种防护等级10rotectiongrade:IP20orIP22,IP44andallprotectiongradesnecessaryforcustomers11产品符合GB7061-98《船用低压开关设备和控制设备装置通用技术条件》和GB/T14548-93《船用半导体变流器通用技术条件》的相关规定,符合《钢质海船入级规范》的有关规定。11productsmeetrelatedprovisionsofGB7061-98GeneralSpecificationforMarineLowVoltageSwitchEquipmentandControlEquipmentDevice,GB/T14548-93GeneralSpecificationforMarineSemic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