专 业签 署专 业签 署段10000/100弹簧操动-220V控制室0.2级 备用低压接线图(一)1号变电所(在 号建筑内)1计量表计要指示灯零序电流互感器件元带电显示器柜内主过电压吸收装置电动操作机构接地开关 电流互感器电流表高压熔断器电压互感器高压开关柜调度号真空断路器回路编号及用途 高压开关柜二次原理图号高压开关柜编号YJV-8.7/15kV,3X120mm10KV copper busearthing breakerprotective deviceusage of switchgearseries number of circuit(delay time)instantaneous tripcommunicationpower incoming line 1measurementsparecode & model of switchgearusage of distribution wireTo Next Cable ConnectionTMY-3(80X10)KLH-%%c120 100/5红色extreme-temperature of transformer变压器II级温度Dwg.No. Control Schematic Diagramcode & model of switchgearautomatic loading device开关柜用途二次接线原理图图号说明:BZT装置馈电线路编号开关柜编号及型号overcurrentovervoltageinstantaneous triplowvoltagehigh-temperature of transformerzero sequence继过电压低电压变压器I级温度零序保电方式护过电流电流速断电流延时速断(delay time)instantaneous trip黄色redyellowvoltmeter transfer s