电力用直流电源自动调压装置的研制

[电(dian)(dian)(dian)(dian)力用直流(liu)电(dian)(dian)(dian)(dian)源(yuan)(yuan)自动(dong)调压装置的(de)(de)(de)研制(zhi)]:1引言电(dian)(dian)(dian)(dian)力系(xi)(xi)(xi)统(tong)所(suo)需的(de)(de)(de)直流(liu)电(dian)(dian)(dian)(dian)源(yuan)(yuan)，都(dou)是由(you)直流(liu)电(dian)(dian)(dian)(dian)源(yuan)(yuan)系(xi)(xi)(xi)统(tong)提(ti)供的(de)(de)(de)，而直流(liu)电(dian)(dian)(dian)(dian)源(yuan)(yuan)系(xi)(xi)(xi)统(tong)的(de)(de)(de)输出为合(he)闸(zha)(zha)母(mu)(mu)线(xian)(xian)(xian)和控(kong)制(zhi)母(mu)(mu)线(xian)(xian)(xian)两部(bu)分(fen)。合(he)闸(zha)(zha)母(mu)(mu)线(xian)(xian)(xian)的(de)(de)(de)电(dian)(dian)(dian)(dian)压即(ji)为充电(dian)(dian)(dian)(dian)机输出电(dian)(dian)(dian)(dian)压值,合(he)闸(zha)(zha)母(mu)(mu)线(xian)(xian)(xian)的(de)(de)(de)电(dian)(dian)(dian)(dian)压高，其作用是为合(he)闸(zha)(zha)机构提(ti)供操作电(dian)(dian)(dian)(dian)源(yuan)(yuan)。控(kong)制(zhi)母(mu)(mu)线(xian)(xian)(xian)的(de)(de)(de)... 1引言 电(dian)(dian)(dian)(dian)力系(xi)(xi)(xi)统(tong)所(suo)需的(de)(de)(de)直流(liu)电(dian)(dian)(dian)(dian)源(yuan)(yuan)，都(dou)是由(you)直流(liu)电(dian)(dian)(dian)(dian)源(yuan)(yuan)系(xi)(xi)(xi)统(tong)提(ti)供的(de)(de)(de)，而直流(liu)电(dian)(dian)(dian)(dian)源(yuan)(yuan)系(xi)(xi)(xi)统(tong)的(de)(de)(de)输出为合(he)闸(zha)(zha)母(mu)(mu)线(xian)(xian)(xian)和控(kong)制(zhi)母(mu)(mu)线(xian)(xian)(xian)两部(bu)分(fen)。合(he)闸(zha)(zha)母(mu)(mu)线(xian)(xian)(xian)的(de)(de)(de)电(dian)(dian)(dian)(dian)压即(ji)为充电(dian)(dian)(dian)(dian)机输出电(dian)(dian)(dian)(dian)压值,合(he)闸(zha)(zha)...

浅谈电力通信直流电源及其维护

[浅谈(tan)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)(li)通(tong)(tong)(tong)(tong)(tong)(tong)(tong)信(xin)(xin)直(zhi)(zhi)流(liu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)及其维(wei)护]:摘(zhai)要(yao)：电(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)(li)通(tong)(tong)(tong)(tong)(tong)(tong)(tong)信(xin)(xin)直(zhi)(zhi)流(liu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)在电(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)(li)通(tong)(tong)(tong)(tong)(tong)(tong)(tong)信(xin)(xin)系统中占有非(fei)常重要(yao)的(de)地(di)位(wei)，电(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)(li)通(tong)(tong)(tong)(tong)(tong)(tong)(tong)信(xin)(xin)的(de)飞(fei)速发展对电(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)(li)通(tong)(tong)(tong)(tong)(tong)(tong)(tong)信(xin)(xin)直(zhi)(zhi)流(liu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)提(ti)出了更(geng)高(gao)的(de)要(yao)求(qiu)。本文(wen)就典型的(de)现(xian)代(dai)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)(li)通(tong)(tong)(tong)(tong)(tong)(tong)(tong)信(xin)(xin)直(zhi)(zhi)流(liu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)的(de)结构组成进行了详细的(de)分(fen)析介绍(shao)，并(bing)根据电(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)(li)通(tong)(tong)(tong)(tong)(tong)(tong)(tong)信(xin)(xin)直(zhi)(zhi)流(liu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)的(de)...　　摘(zhai)要(yao)：电(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)(li)通(tong)(tong)(tong)(tong)(tong)(tong)(tong)信(xin)(xin)直(zhi)(zhi)流(liu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)在电(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)(li)通(tong)(tong)(tong)(tong)(tong)(tong)(tong)信(xin)(xin)系统中占有非(fei)常重要(yao)的(de)地(di)位(wei)，电(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)(li)通(tong)(tong)(tong)(tong)(tong)(tong)(tong)信(xin)(xin)的(de)飞(fei)速发展对电(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)(li)通(tong)(tong)(tong)(tong)(tong)(tong)(tong)信(xin)(xin)直(zhi)(zhi)流(liu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)提(ti)出了更(geng)高(gao)的(de)要(yao)求(qiu)。本文(wen)就典型的(de)现(xian)代(dai)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)(li)通(tong)(tong)(tong)(tong)(tong)(tong)(tong)信(xin)(xin)直(zhi)(zhi)流(liu)电(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)的(de)结构组成进...

如何选择合适的(变)电站用直流电源屏

[如何(he)选择合适(shi)的(de)(变)电(dian)站(zhan)用(yong)(yong)直流(liu)(liu)(liu)电(dian)源(yuan)屏]:电(dian)力操作(zuo)(zuo)电(dian)源(yuan)是(shi)为发电(dian)厂和(he)550KV、220KV、110KV等各(ge)类(lei)变电(dian)站(zhan)提供直流(liu)(liu)(liu)的(de)电(dian)源(yuan)设(she)备(bei)，包括(kuo)供给(ji)断路(lu)器(qi)分合闸及(ji)(ji)二次回(hui)路(lu)的(de)仪器(qi)仪表、继电(dian)保护、控(kong)(kong)制(zhi)、应急(ji)灯(deng)照明及(ji)(ji)各(ge)类(lei)低压设(she)备(bei)用(yong)(yong)电(dian)。目前我国电(dian)力...电(dian)力操作(zuo)(zuo)电(dian)源(yuan)是(shi)为发电(dian)厂和(he)550KV、220KV、110KV等各(ge)类(lei)变电(dian)站(zhan)提供直流(liu)(liu)(liu)的(de)电(dian)源(yuan)设(she)备(bei)，包括(kuo)供给(ji)断路(lu)器(qi)分合闸及(ji)(ji)二次回(hui)路(lu)的(de)仪器(qi)仪表、继电(dian)保护、控(kong)(kong)制(zhi)、应急(ji)灯(deng)照明及(ji)(ji)各(ge)...

变电站直流电源故障及处理措施

1直(zhi)(zhi)(zhi)流(liu)(liu)(liu)电(dian)源模(mo)块(kuai)故(gu)(gu)障(zhang)(zhang)某变电(dian)站(zhan)发(fa)生(sheng)直(zhi)(zhi)(zhi)流(liu)(liu)(liu)系(xi)(xi)统故(gu)(gu)障(zhang)(zhang)，当监控端发(fa)出(chu)(chu)"直(zhi)(zhi)(zhi)流(liu)(liu)(liu)屏(ping)模(mo)块(kuai)故(gu)(gu)障(zhang)(zhang)、直(zhi)(zhi)(zhi)流(liu)(liu)(liu)屏(ping)系(xi)(xi)统故(gu)(gu)障(zhang)(zhang)总信号"经(jing)过一段时(shi)间后发(fa)出(chu)(chu)"直(zhi)(zhi)(zhi)流(liu)(liu)(liu)屏(ping)电(dian)池(chi)欠压"。接通知(zhi)后到现场检(jian)查，发(fa)现控制(zhi)模(mo)块(kuai)、充电(dian)模(mo)块(kuai)显示(shi)屏(ping)无显示(shi)，模(mo)块(kuai)风扇停止，模(mo)块(kuai)处于失电(dian)状态。经(jing)查看各模(mo)块(kuai)交流(liu)(liu)(liu)输入正常，监控系(xi)(xi)统显示(shi)模(mo)块(kuai)故(gu)(gu)障(zhang)(zhang)。现场直(zhi)(zhi)(zhi)流(liu)(liu)(liu)由蓄电(dian)池(chi)供给，情况十分(fen)危急。联系(xi)(xi)检(jian)修人员经(jing)更(geng)换损坏的(de)直(zhi)(zhi)(zhi)流(liu)(liu)(liu)模(mo)块(kuai)后，直(zhi)(zhi)(zhi)流(liu)(liu)(liu)系(xi)(xi)统恢复正常...

直流电源系统的“七大件”组成

直(zhi)(zhi)流电(dian)(dian)(dian)源(yuan)系统主(zhu)要(yao)(yao)由(you)两大(da)部(bu)份(fen)组(zu)成。一部(bu)份(fen)是(shi)(shi)(shi)电(dian)(dian)(dian)池(chi)(chi)屏(ping)另(ling)一部(bu)份(fen)是(shi)(shi)(shi)直(zhi)(zhi)流充电(dian)(dian)(dian)屏(ping)(直(zhi)(zhi)流屏(ping))。电(dian)(dian)(dian)池(chi)(chi)屏(ping)就(jiu)是(shi)(shi)(shi)一个可以(yi)摆放(fang)多节(jie)电(dian)(dian)(dian)池(chi)(chi)的机(ji)(ji)柜(8006002260)。电(dian)(dian)(dian)池(chi)(chi)屏(ping)中的电(dian)(dian)(dian)池(chi)(chi)一般是(shi)(shi)(shi)由(you)2V-12V的电(dian)(dian)(dian)池(chi)(chi)以(yi)9节(jie)到108节(jie)串(chuan)联方式(shi)组(zu)成，对应电(dian)(dian)(dian)的电(dian)(dian)(dian)压(ya)(ya)输出(chu)也就(jiu)是(shi)(shi)(shi)110V或220V。目前使用的电(dian)(dian)(dian)池(chi)(chi)主(zhu)要(yao)(yao)是(shi)(shi)(shi)阀控式(shi)密封免维护铅酸电(dian)(dian)(dian)池(chi)(chi)。直(zhi)(zhi)流屏(ping)主(zhu)要(yao)(yao)是(shi)(shi)(shi)由(you)机(ji)(ji)柜、整流模块(kuai)系统、监控系统、绝缘监测单元(yuan)(yuan)、电(dian)(dian)(dian)池(chi)(chi)巡检单元(yuan)(yuan)、开关量检测单元(yuan)(yuan)、降压(ya)(ya)单元(yuan)(yuan)及一...

直流电源接地引起机组跳闸的原因及防范措施

厦门嵩屿(yu)电(dian)(dian)厂(chang)一(yi)期工(gong)程安装2台300MW燃煤发电(dian)(dian)机(ji)组(zu)，采用发电(dian)(dian)机(ji)--变(bian)压器单元接线方式，主变(bian)高(gao)压侧220kV开(kai)关(guan)为SF6开(kai)关(guan)全(quan)封闭组(zu)合电(dian)(dian)器(GIS)，由法国(guo)阿尔斯(si)通公司生产(chan)。发电(dian)(dian)机(ji)--变(bian)压器组(zu)保护(hu)采用南京自动化设备厂(chang)生产(chan)的集(ji)成电(dian)(dian)路(lu)保护(hu)。发电(dian)(dian)机(ji)组(zu)热(re)工(gong)数字式电(dian)(dian)液控制系(xi)统(DEH)，由美国(guo)西屋公司生产(chan)，主要(yao)承(cheng)担(dan)汽(qi)轮发电(dian)(dian)机(ji)组(zu)的转速控制和负(fu)荷控制，并具有主汽(qi)压力(li)保护(hu)、部分(fen)甩负(fu)荷保护(hu)、超速保护(hu)(OPC)和阀(fa)门...