ABBSC520(3BSE003816R1)ABBSC520(3BSE003816R1)ABBSC520(3BSE003816R1)【图片仅供参考,实际产品电话或***咨询】[诚信经营][质量可靠][进口原装][拆包防伪][大量库存][当天付款][顺风速运][欢迎***]摘要近年来，各种电气设备及家用电器的使用量大幅增加，相应的电气火灾事故也随之增加，电气火灾数量已经接近火灾总数的30％，位列各类火灾的首位。由火灾所造成的损失已经给社会经济和人民生命财产造成了巨大的损失，电气火灾监控系统对预防电气火灾起到至关重要的作用。1用途、基本组成及原理1.1用途电气火灾就是指配电线路及电气设备由于设计、安装、使用不当或者接触不良、短路等原因而引起的火灾。其中，短路所引起的火灾的概率***高，而短路又可分为一般性短路和接地故障。一般性短路，是指供电线路之间由于绝缘性能降低，从而导致的相线与相线、相线与零线之间的短路；接地故障，是指相线与接地导体、相线与大地之间的短路，它是由于相线与接地导体、相线与大地之间的绝缘性下降所导致的。根据统计，因为接地故障而引起的火灾占短路原因而引起火灾的绝大多数，它是较为常见的电气火灾起因。此外漏电电流使得部分的电流流入大地，造成了能源浪费；当***接触到故障电压引起触电***，危及生命安全。低压配电系统短路故障示意图，如图1所示。。图1低压配电系统短路故障发生故障时，在漏电的故障点处和导体不良的连接处会局部产生异常的高温或电火花、电弧，这种电弧具有比较大的阻抗和压降，它限制了故障电流的通过，从而使得电流保护器不能动作，而数百毫安的电弧所产生的局部高温可达2000℃以上，导致附近的可燃物高温烤燃着火从而引起了火灾。为了能够预防和减少电气火灾，必须能够在线检测AC220/380V供电线路的绝缘状态，以此来杜绝漏电和各种短路故障的发生。电气火灾监控系统就是用来实时监测供电线路的绝缘状态并实施报警的，当电气线路或者电气设备一旦漏电并超过额定保护值时，报警器立即发出声光报警信号并显示出漏电电流的大小。因为从发生接地电弧故障到引燃起火以致火势蔓延需要一定的时间，这就有足够多的时间去检查并排除故障，从而能够有效地避免电气火灾的发生或者将损失控制在较小的范围之内。为了保证供电的连续性，报警时通常不切断电源，这样就可以避免电源开关跳闸而引起整栋建筑物的停电。为了确保安全，在紧急情况下可以再去切断供电电源。1.2监控系统的组成（1）系统组成电气火灾监控系统是由漏电探测装置与监控设备所组成的。漏电探测装置是由电流互感器、漏电探测器构成。监控探测器与监控设备之间通常是以有线的方式相连接的。电气火灾监控系统示意图，如图2所示。AEADVANCEDENERGYHFV800011kwFromIsraelNewlylistedAdvancedEnergyRFX600A13.56MHzRFPowerSupply600WAEM/N3155082-220NewlylistedAdvancedEnergyPinn***eDCMagnetronPowerSupply6x6kWoutput,AE3152338-018AEAdvancedEnergy3151801-004Pla***aSourceGeneratorAMAT0190-13025UsedAEAdvancedEnergy3152412-129MDXPinn***e20KSwitchmodePowerSupplyWorkingAEAdvancedEnergyMDX-5KPowerSupply5kWFromSingaporeAEAdvancedEnergyApex3013RFGeneratorRev.A3156114-006untested0920-00139NewlylistedAEAdvancedEnergyApex1513RFGenerator1.5kW13.56MHz374V660-032596-014AEAdvancedEnergyRFG30013155089-0053kwRFGeneratorExcelisPN190000550FullyTested.3monthWarranty.WedoCoreExchanges!AEADVANCEDENERGYRFG-5500RFGENERATORRFG5500FromKorea,SouthAEAdvancedEnergyRFX2500RFGenerator3155011-000NewAEAdvancedEnergyCesar405RF40.68MHzPowerSupply500WAEAdvancedEnergy3152052-000CRemoteModuleMDX-052TestedWorkingAEAdvancedEnergy3155166-013N***igatorRFMatchRev.B0190-28384newNewlylistedAdvancedEnergyAERFG2000-2vRFgenerator3kW13.56Mhz(Amat)AEAdvancedEnergyDresslerVM1000ARFMatchFromKorea,SouthAEAdvancedEnergyApexSecondaryMotherboardV3B2300660-BworkingAEAdvancedEnergy2052-000-CRemoteModuleMDX-052UsedTestedWorkingAEAdvancedEnergyRFG30013155089-0043kw13.56MhzRFGenerator3155089-000FullyTested.3monthWarranty.WedoCoreExchanges!AEadvanced-energyXSTREAMRPSRemotePla***aSource8kwFromKorea,SouthAEADVANCEDENERGYRFGENERATORPOWERCABLEAEADVANCEDENERGYRFMATCH3155031-037AMAT1110-00056APPLIEDMATERIALSAEAdvancedEnergyCesar405RFPowerSupply500W/40.68MHzOutputAdvancedEnergyAEN***igatorRFMatch3155169-001E0190-16177UsedWorkingAEAdvancedEnergyRFG12513155107-00113.56MhzRFGeneratorFullyTested.3monthWarranty.WedoCoreExchanges!AEAdvancedEnergyApex3013RFGenerator3156114-005Rev.Arebuilt0920-00128AEAdvancedEnergyPDX900-2VRFGenerator3156024-132Refurbished0190-08677AEAdvancedEnergyHFV8000RFGenerator3155083-180Rev.Bworking0920-01122ADVANCEDENERGYAEPINN***E3152353-120B15KW/BALZERSB5181854DGADVANCEDENERGYAELM-1.25KRFMatch3152189-000GFromKorea,SouthAEADVANCEDENERGYPE-10/20KACPOWERSOURCEFromSingaporeAdvancedEnergyAEMDX-1.5KDCMagnetronSputterPla***aPowerSourceM/N2164FromKorea,SouthAeraLC-LCNAdapter,CA-18,AE,AdvancedEnergy,NewAEAdvancedEnergyRFPPMercury1013RFMatchNovellusASTECHATL100-RA.3to1MHzmatchingnetwork1kwpower-advancedenergyAEAMATAEADVANCEDENERGYRFZ60-MODELNO.3155044-000CAEAdvancedEnergyPE-1000-ZRFACpla***asourcePE1000ZAEAdvancedEnergy3152052-016BRemoteModuleMDX-052UsedTestedWorkingAEAdvancedEnergyPDX900-2VRFGenerator3156024-132Rev.Cworking0190-08677AEAdvancedEnergy3150310-901RFPla***aDrivePDXIIDrive2000testedworkingAEAdvancedEnergyLF-5RFGenerator7520572050workingAEADVANCEDENERGYDRESSLERCESAR1310RFGENERATORwithVM1000ARFMatchFromKorea,SouthAEAdvancedEnergyRFPP20RRFgeneratorFromKorea,SouthAMATAEADVANCEDENERGY0190-05934MDXPINN***E6kWPOWERSUPPLY3152412-218AEAdvancedEnergy2305862-AN***igatorDigitalMatchControllerPCB1306551HAEAdvancedEnergyPE-1000-ZRFACpla***asourcePE1000ZAEAdvancedEnergy3152052-016BRemoteModuleMDX-052UsedTestedWorkingAEAdvancedEnergyPDX900-2VRFGenerator3156024-132Rev.Cworking0190-08677AEAdvancedEnergy3150310-901RFPla***aDrivePDXIIDrive2000testedworkingAEAdvancedEnergyPDX900-2VRFGenerator3156024-133Refurbished0190-10028FromSingaporeAEAdvancedEnergy5019-012-APla***aPowerDistributionBox24VDCAEADVANCEDENERGYSEKIDENKOOR4000T955-4002-01OPTICALFIBERTHERMOMETERAEAdvancedEnergyLF-5RFGenerator7520572050workingAEADVANCEDENERGYDRESSLERCESAR1310RFGENERATORwithVM1000ARFMatchFromKorea,SouthAE,ADVANCEDENERGYPDX1250PLA***APOWERRFGENERATORFromKorea,SouthAEAdvancedEnergyRFPP20RRFgeneratorFromKorea,SouthAMATAEADVANCEDENERGY0190-05934MDXPINN***E6kWPOWERSUPPLY3152412-218AEAdvancedEnergy2305862-AN***igatorDigitalMatchControllerPCB1306551HAeraLC-LCNAdapter,CA-18,AE,AdvancedEnergy,withCable,NewAdvancedEnergyAPEX3013Novellus27-342099-00,AE3156113-003RFgeneratorAEAdvancedEnergyApex3013RFGenerator3156114-001Rev.CuntestedADVANCEDENE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