中建材集团进出口公司伊拉克AD项目液阻柜附件技术附件.docx

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1、合同附件一技术文本1 .项目概述1.1 项目概述项目位于伊拉克首都巴格达以南320公里,南部城市巴士拉以北约300公里,距离伊拉克南部W-QASER港约380公里，觉物从该港口H1.发，经过260公里高速公路和约120公里普通油漆马路抵达项目现场.项目厂址距离最近的小城AI-SamaWah只有40公里，由油漆马路连接，下了油漆马路大概100O米即可到达.1.2 现场条件1.2.1 使用条件使用地点：伊拉克南部现场海拔高度：平均50m环境温度：最高环境温度：51C,最高日平均温度：37.9,C,年平均最低温度：25.7C,极端最低温度：-29。设备布置：室内降雨量：年最大165川in,最小62.

2、3mm。年沙尘暴天数：21.5天最高风速：150km,hr1.2.2电力状况电机类型：中压电机(2250KW)为滑环电机，变速中压电机应为鼠笼型。低压电机(250KW)为高效鼠笼电机“额定电压：中压电机(2250KW)为6.6kY51.,50Hz2%.低压电机(R2R3OFromtheabovefigurewecanseethatseria1.1.yconnectingaproperresistancetotherotor1.oopofthewindingmotorcanreducethestartingcurrentononehand,andincreasethestartingtorque

3、ontheotherhand.Therefore,ifwecanmaketheresistanceseria1.1.yconnectedtotherotor1.oopreducewiththeincreaseoftherotationSPeedofthemotor,wewi1.1.makethemotora1.wayshas1.argestartingtoqueand1.owstartingcurrentinthestartingprocess.WYQseries1.iquidstarteruti1.izesthisprincip1.e:pounde1.ectro1.yteintotherot

4、or1.oopofthecontro1.1.edwindingmotorasthe1.iquidresistanceandmakingtheva1.ueofthe1.iquidresistancea1.waysmcc1.the11xuirc11cntofthemechanica1.characteristicsofthemotorinthestartingprocessbyadjustingthee1.ectro1.yteconcentrationandthedistanceofthetwoe1.ectrodesinorderto1.etthemotorgetthemaxstartingtor

5、queandminstartingcurrenttosmoothstart.Thespecificworkingprocessis:whenthemainmotorstarts,themovinge1.ectro1.ytemovess1.ow1.ybythedriveofa1.owpowerdrivemechanismandthedistancebetweenthetwoe1.ectro1.yteschanges,(husthevarietyoftheva1.ueofthe1.iquidresistanceintherotor1.oopmeetstheabovetermsandtherotat

6、ionspeedofthemotorincreases.Whenthedistancebetweenthetwoe1.ectro1.ytesreachestheminimum,therotationspeedbecomestheru1.edva1.ueandIhcresistancewi1.1.beshortcircuited,thusthestartingprocesswi1.1.bedoneandtheoperatingstatewi1.1.beinat1.ast.u,n,1st0.95no1.31.eStartingCurrentFromtheaboveprocesswecanseeth

7、at:becausethe1.iquidresistanceintherotor1.oopisabouttoInCCtIhC11xuircmcniofihcmechanica1.characteristicofthemotorwithothertc11nsnotchanging,thestartingtorqueismain1.ykeptthemaximumandthecurrentiskeptata1.ower1.eve1.Itscharacteristiccurvewhenstartingisbe1.ow:vo1.tagereduceofthee1.ectricnetworkofrotationofthemotorThusstartingpreductionofthee1.ectricnetwork./StartingcharacteristiccurveofWYQseries1.iquidstarterWYQseries1.iquidstartercanmakethemotoracce1.erateinauniformspeedintherocess.ThestartingProCejiSissmoothwith1.