ZPW2000A轨道电路铁路信号基础设备维护39课件.pptx
;;;;1.结构
规格型号:ZPW.PML1
外形尺寸:408mm×76mm×178mm
2.作用
用于模拟电缆参数,实现对SPT数字信号电缆的补偿,使补偿电缆和实际电缆总和为10km。
设有横、纵向防雷组合,防止电缆上感应的强电损坏室内设备。;1.structure
type:ZPW.PML1
Dimensionsize:408mm×76mm×178mm
2.function
UsetosimulatethecableparameterstorealizethecompensationforSPTdigitalsignalcable,sothatthesumofcompensationcableandtheactualcablecanreach10km.
withhorizontalandverticallightningprotectioncombination,topreventthestrongelectricityinducedonthecablefromdamagingtheindoorequipment.;;;举例:
实际SPT电缆长度为4.5km,需要模拟5.5km;Forexample,anactualSPTcablelengthis4.5km,itneedstocompensatefor5.5km.;4.端子使用;4.useofterminals;5.测试端子;5.testingterminals;思考题:
某轨道电路发送端电缆长度为6.8km,该如何补偿?;Question
Ifthetransmittingcablelengthofatrackcircuitis6.8km,howtocompensate?;教学反思;教学反思