电力用直流电源自动调压装置的研制

[电(dian)(dian)(dian)(dian)(dian)力用直(zhi)(zhi)流(liu)电(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)自(zi)动调压装置的(de)(de)(de)研制]:1引言电(dian)(dian)(dian)(dian)(dian)力系(xi)统(tong)(tong)所(suo)需的(de)(de)(de)直(zhi)(zhi)流(liu)电(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)，都(dou)是由直(zhi)(zhi)流(liu)电(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)系(xi)统(tong)(tong)提(ti)(ti)供的(de)(de)(de)，而(er)直(zhi)(zhi)流(liu)电(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)系(xi)统(tong)(tong)的(de)(de)(de)输出为合闸母(mu)线(xian)和控制母(mu)线(xian)两部分。合闸母(mu)线(xian)的(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)压即(ji)(ji)为充电(dian)(dian)(dian)(dian)(dian)机(ji)输出电(dian)(dian)(dian)(dian)(dian)压值,合闸母(mu)线(xian)的(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)压高，其作用是为合闸机(ji)构(gou)提(ti)(ti)供操(cao)作电(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)。控制母(mu)线(xian)的(de)(de)(de)... 1引言 电(dian)(dian)(dian)(dian)(dian)力系(xi)统(tong)(tong)所(suo)需的(de)(de)(de)直(zhi)(zhi)流(liu)电(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)，都(dou)是由直(zhi)(zhi)流(liu)电(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)系(xi)统(tong)(tong)提(ti)(ti)供的(de)(de)(de)，而(er)直(zhi)(zhi)流(liu)电(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)系(xi)统(tong)(tong)的(de)(de)(de)输出为合闸母(mu)线(xian)和控制母(mu)线(xian)两部分。合闸母(mu)线(xian)的(de)(de)(de)电(dian)(dian)(dian)(dian)(dian)压即(ji)(ji)为充电(dian)(dian)(dian)(dian)(dian)机(ji)输出电(dian)(dian)(dian)(dian)(dian)压值,合闸...

浅谈电力通信直流电源及其维护

[浅谈电(dian)(dian)(dian)(dian)力(li)(li)通(tong)(tong)信(xin)(xin)直(zhi)(zhi)流(liu)电(dian)(dian)(dian)(dian)源(yuan)及其维护]:摘(zhai)(zhai)要(yao)：电(dian)(dian)(dian)(dian)力(li)(li)通(tong)(tong)信(xin)(xin)直(zhi)(zhi)流(liu)电(dian)(dian)(dian)(dian)源(yuan)在(zai)电(dian)(dian)(dian)(dian)力(li)(li)通(tong)(tong)信(xin)(xin)系统中占(zhan)有非常(chang)重要(yao)的(de)(de)地位(wei)，电(dian)(dian)(dian)(dian)力(li)(li)通(tong)(tong)信(xin)(xin)的(de)(de)飞速发展对电(dian)(dian)(dian)(dian)力(li)(li)通(tong)(tong)信(xin)(xin)直(zhi)(zhi)流(liu)电(dian)(dian)(dian)(dian)源(yuan)提(ti)出了(le)更(geng)高的(de)(de)要(yao)求。本文(wen)就典型(xing)的(de)(de)现代电(dian)(dian)(dian)(dian)力(li)(li)通(tong)(tong)信(xin)(xin)直(zhi)(zhi)流(liu)电(dian)(dian)(dian)(dian)源(yuan)的(de)(de)结构组成(cheng)进行了(le)详细的(de)(de)分析(xi)介(jie)绍，并根(gen)据电(dian)(dian)(dian)(dian)力(li)(li)通(tong)(tong)信(xin)(xin)直(zhi)(zhi)流(liu)电(dian)(dian)(dian)(dian)源(yuan)的(de)(de)...　　摘(zhai)(zhai)要(yao)：电(dian)(dian)(dian)(dian)力(li)(li)通(tong)(tong)信(xin)(xin)直(zhi)(zhi)流(liu)电(dian)(dian)(dian)(dian)源(yuan)在(zai)电(dian)(dian)(dian)(dian)力(li)(li)通(tong)(tong)信(xin)(xin)系统中占(zhan)有非常(chang)重要(yao)的(de)(de)地位(wei)，电(dian)(dian)(dian)(dian)力(li)(li)通(tong)(tong)信(xin)(xin)的(de)(de)飞速发展对电(dian)(dian)(dian)(dian)力(li)(li)通(tong)(tong)信(xin)(xin)直(zhi)(zhi)流(liu)电(dian)(dian)(dian)(dian)源(yuan)提(ti)出了(le)更(geng)高的(de)(de)要(yao)求。本文(wen)就典型(xing)的(de)(de)现代电(dian)(dian)(dian)(dian)力(li)(li)通(tong)(tong)信(xin)(xin)直(zhi)(zhi)流(liu)电(dian)(dian)(dian)(dian)源(yuan)的(de)(de)结构组成(cheng)进...

如何选择合适的(变)电站用直流电源屏

[如何选(xuan)择合适的(de)(de)(变)电(dian)(dian)(dian)(dian)站(zhan)(zhan)用直流电(dian)(dian)(dian)(dian)源(yuan)屏]:电(dian)(dian)(dian)(dian)力(li)(li)操作(zuo)电(dian)(dian)(dian)(dian)源(yuan)是为发电(dian)(dian)(dian)(dian)厂(chang)和550KV、220KV、110KV等各类(lei)变电(dian)(dian)(dian)(dian)站(zhan)(zhan)提(ti)供(gong)直流的(de)(de)电(dian)(dian)(dian)(dian)源(yuan)设备(bei)，包括供(gong)给断路(lu)(lu)器(qi)分合闸及二次(ci)回(hui)路(lu)(lu)的(de)(de)仪(yi)器(qi)仪(yi)表(biao)、继电(dian)(dian)(dian)(dian)保护、控制(zhi)、应急灯照(zhao)明及各类(lei)低压设备(bei)用电(dian)(dian)(dian)(dian)。目前我国电(dian)(dian)(dian)(dian)力(li)(li)...电(dian)(dian)(dian)(dian)力(li)(li)操作(zuo)电(dian)(dian)(dian)(dian)源(yuan)是为发电(dian)(dian)(dian)(dian)厂(chang)和550KV、220KV、110KV等各类(lei)变电(dian)(dian)(dian)(dian)站(zhan)(zhan)提(ti)供(gong)直流的(de)(de)电(dian)(dian)(dian)(dian)源(yuan)设备(bei)，包括供(gong)给断路(lu)(lu)器(qi)分合闸及二次(ci)回(hui)路(lu)(lu)的(de)(de)仪(yi)器(qi)仪(yi)表(biao)、继电(dian)(dian)(dian)(dian)保护、控制(zhi)、应急灯照(zhao)明及各...

变电站直流电源故障及处理措施

1直(zhi)(zhi)流(liu)(liu)电(dian)源模(mo)(mo)块(kuai)(kuai)故障(zhang)某变(bian)电(dian)站发生直(zhi)(zhi)流(liu)(liu)系(xi)(xi)(xi)统(tong)(tong)(tong)故障(zhang)，当(dang)监(jian)控端发出(chu)"直(zhi)(zhi)流(liu)(liu)屏模(mo)(mo)块(kuai)(kuai)故障(zhang)、直(zhi)(zhi)流(liu)(liu)屏系(xi)(xi)(xi)统(tong)(tong)(tong)故障(zhang)总信号"经过一段时间后发出(chu)"直(zhi)(zhi)流(liu)(liu)屏电(dian)池(chi)(chi)欠(qian)压(ya)"。接通知后到现场检查，发现控制模(mo)(mo)块(kuai)(kuai)、充电(dian)模(mo)(mo)块(kuai)(kuai)显(xian)示屏无显(xian)示，模(mo)(mo)块(kuai)(kuai)风扇停止，模(mo)(mo)块(kuai)(kuai)处于失电(dian)状态。经查看(kan)各模(mo)(mo)块(kuai)(kuai)交(jiao)流(liu)(liu)输(shu)入正(zheng)常，监(jian)控系(xi)(xi)(xi)统(tong)(tong)(tong)显(xian)示模(mo)(mo)块(kuai)(kuai)故障(zhang)。现场直(zhi)(zhi)流(liu)(liu)由蓄电(dian)池(chi)(chi)供(gong)给，情(qing)况十分危急。联系(xi)(xi)(xi)检修人员经更换(huan)损坏的(de)直(zhi)(zhi)流(liu)(liu)模(mo)(mo)块(kuai)(kuai)后，直(zhi)(zhi)流(liu)(liu)系(xi)(xi)(xi)统(tong)(tong)(tong)恢复正(zheng)常...

直流电源系统的“七大件”组成

直(zhi)流电(dian)(dian)(dian)(dian)(dian)源(yuan)系统(tong)主(zhu)要(yao)由两大部(bu)份组(zu)成(cheng)。一(yi)部(bu)份是电(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)屏(ping)另一(yi)部(bu)份是直(zhi)流充电(dian)(dian)(dian)(dian)(dian)屏(ping)(直(zhi)流屏(ping))。电(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)屏(ping)就是一(yi)个可以摆放多节(jie)电(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)的机柜(ju)(8006002260)。电(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)屏(ping)中的电(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)一(yi)般是由2V-12V的电(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)以9节(jie)到108节(jie)串(chuan)联方式组(zu)成(cheng)，对(dui)应(ying)电(dian)(dian)(dian)(dian)(dian)的电(dian)(dian)(dian)(dian)(dian)压输出也就是110V或220V。目(mu)前使用的电(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)主(zhu)要(yao)是阀控(kong)式密封免维护铅(qian)酸电(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)。直(zhi)流屏(ping)主(zhu)要(yao)是由机柜(ju)、整流模(mo)块系统(tong)、监控(kong)系统(tong)、绝(jue)缘监测单(dan)元、电(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)巡检(jian)(jian)单(dan)元、开关量检(jian)(jian)测单(dan)元、降压单(dan)元及一(yi)...

直流电源接地引起机组跳闸的原因及防范措施

厦门嵩屿电厂一(yi)期工(gong)程安装2台(tai)300MW燃煤发(fa)(fa)电机组(zu)(zu)，采用发(fa)(fa)电机--变压器单元接线方式，主(zhu)变高压侧(ce)220kV开关(guan)为SF6开关(guan)全封闭(bi)组(zu)(zu)合电器(GIS)，由法国阿尔(er)斯通(tong)公司生产(chan)。发(fa)(fa)电机--变压器组(zu)(zu)保(bao)(bao)护采用南京自动化设备厂生产(chan)的(de)集成电路保(bao)(bao)护。发(fa)(fa)电机组(zu)(zu)热工(gong)数字式电液(ye)控制(zhi)系统(DEH)，由美国西屋公司生产(chan)，主(zhu)要承担汽(qi)轮发(fa)(fa)电机组(zu)(zu)的(de)转速控制(zhi)和负荷控制(zhi)，并具有主(zhu)汽(qi)压力保(bao)(bao)护、部(bu)分甩负荷保(bao)(bao)护、超速保(bao)(bao)护(OPC)和阀门...