恒流源(yuan)这类电(dian)源(yuan)主要(yao)用于检测热继电(dian)器、塑壳(qiao)断路(lu)器、小型短路(lu)器及需要(yao)设(she)定额定电(dian)流、动作电(dian)流、短路(lu)保(bao)护电(dian)流等生产(chan)场合。

直(zhi)(zhi)(zhi)(zhi)流(liu)(liu)UPS即由交流(liu)(liu)配电(dian)(dian)(dian)单元(yuan)(yuan)、整流(liu)(liu)模块、蓄电(dian)(dian)(dian)池(chi)(chi)(chi)、直(zhi)(zhi)(zhi)(zhi)流(liu)(liu)配电(dian)(dian)(dian)单元(yuan)(yuan)、电(dian)(dian)(dian)池(chi)(chi)(chi)管理单元(yuan)(yuan)及监控(kong)模块组成(cheng)的直(zhi)(zhi)(zhi)(zhi)流(liu)(liu)不间断电(dian)(dian)(dian)源。向(xiang)负载提供稳定的直(zhi)(zhi)(zhi)(zhi)流(liu)(liu)电(dian)(dian)(dian)源的同时(shi)，一边给电(dian)(dian)(dian)池(chi)(chi)(chi)充(chong)电(dian)(dian)(dian)，当(dang)市电(dian)(dian)(dian)故障后，能(neng)够自动(dong)通(tong)过蓄电(dian)(dian)(dian)池(chi)(chi)(chi)放电(dian)(dian)(dian)，不间断输(shu)出(chu)直(zhi)(zhi)(zhi)(zhi)流(liu)(liu)电(dian)(dian)(dian)的电(dian)(dian)(dian)源。 直(zhi)(zhi)(zhi)(zhi)流(liu)(liu)UPS的稳压(ya)功(gong)(gong)能(neng)通(tong)常是由整流(liu)(liu)器(qi)完(wan)成(cheng)，净化功(gong)(gong)能(neng)由储能(neng)电(dian)(dian)(dian)池(chi)(chi)(chi)完(wan)成(cheng)，频率的稳定则有(you)变换(huan)器(qi)来完(wan)成(cheng)。 直(zhi)(zhi)(zhi)(zhi)流(liu)(liu)UPS电(dian)(dian)(dian)源系统主要由两部分组成(cheng)，主机(ji)(ji)和储能(neng)电(dian)(dian)(dian)机(ji)(ji)，额定输(shu)出(chu)功(gong)(gong)率的大小由...

开(kai)关恒(heng)流源(yuan)(yuan)(yuan)厂家经常遇到(dao)的(de)(de)问题是电(dian)(dian)脑(nao)开(kai)关稳(wen)压(ya)(ya)电(dian)(dian)源(yuan)(yuan)(yuan)解决(jue)方案是怎样的(de)(de)，今天开(kai)关恒(heng)流源(yuan)(yuan)(yuan)厂家艾德杰(jie)电(dian)(dian)子来为您进行方案分析： 电(dian)(dian)脑(nao)开(kai)关稳(wen)压(ya)(ya)电(dian)(dian)源(yuan)(yuan)(yuan)解决(jue)方案的(de)(de)设计(ji)一般包括变压(ya)(ya)、整流、滤波、稳(wen)压(ya)(ya)四个基本环节。电(dian)(dian)脑(nao)开(kai)关稳(wen)压(ya)(ya)电(dian)(dian)源(yuan)(yuan)(yuan)解决(jue)方案为了提高(gao)电(dian)(dian)源(yuan)(yuan)(yuan)的(de)(de)质量(liang)及其(qi)可(ke)靠(kao)性，需(xu)对电(dian)(dian)源(yuan)(yuan)(yuan)输(shu)出电(dian)(dian)压(ya)(ya)进行采样、比(bi)较、放大(da)，并用(yong)此误差(cha)放大(da)信(xin)号来调节其(qi)输(shu)入电(dian)(dian)压(ya)(ya)，使(shi)得负载变化时(shi)输(shu)出电(dian)(dian)压(ya)(ya)保持稳(wen)定。此外，为了提高(gao)电(dian)(dian)源(yuan)(yuan)(yuan)的(de)(de)使(shi)用(yong)安全性能，需(xu)设计(ji)简(jian)单(dan)可(ke)...

大(da)功率(lv)(lv)恒流(liu)(liu)(liu)(liu)源(yuan)(yuan)是一(yi)种(zhong)宽频谱，高精度(du)稳流(liu)(liu)(liu)(liu)，低谐波失真(zhen)的(de)恒流(liu)(liu)(liu)(liu)电(dian)源(yuan)(yuan)。 大(da)功率(lv)(lv)恒流(liu)(liu)(liu)(liu)源(yuan)(yuan)主要用(yong)(yong)于检测热继(ji)电(dian)器、塑壳断路器、小型短(duan)路器以(yi)及需(xu)要设定额(e)定电(dian)流(liu)(liu)(liu)(liu)、动(dong)作电(dian)流(liu)(liu)(liu)(liu)、短(duan)路保护(hu)电(dian)流(liu)(liu)(liu)(liu)等生产场合。同样适用(yong)(yong)于低电(dian)阻(zu)负载(zai)的(de)场所，特别(bie)是日用(yong)(yong)电(dian)器的(de)检测和试验。 大(da)功率(lv)(lv)恒流(liu)(liu)(liu)(liu)源(yuan)(yuan)的(de)特点(dian): ①大(da)功率(lv)(lv)恒流(liu)(liu)(liu)(liu)源(yuan)(yuan)，由晶体管构(gou)成的(de)恒流(liu)(liu)(liu)(liu)源(yuan)(yuan)，被大(da)量应用(yong)(yong)于差动(dong)放(fang)大(da)器的(de)射极公(gong)共电(dian)阻(zu) ,或(huo)作为放(fang)大(da)电(dian)路的(de)有(you)源(yuan)(yuan)负载(zai)，或(huo)作为偏流(liu)(liu)(liu)(liu)使(shi)用(yong)(yong)，也可以(yi)作为脉冲产...

恒流(liu)(liu)源(yuan)(yuan)这类电(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)主(zhu)要(yao)(yao)用于检测热继(ji)电(dian)(dian)(dian)(dian)(dian)器(qi)、塑壳断路(lu)(lu)器(qi)、小型短路(lu)(lu)器(qi)及需要(yao)(yao)设(she)定(ding)额定(ding)电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)、动作电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)、短路(lu)(lu)保(bao)护电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)等(deng)生产场合(he)。 恒流(liu)(liu)源(yuan)(yuan)的实质是利(li)(li)用器(qi)件(jian)对(dui)电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)进(jin)行(xing)(xing)反(fan)馈，动态调节设(she)备的供电(dian)(dian)(dian)(dian)(dian)状态，从(cong)而使得电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)趋(qu)于恒定(ding)。只要(yao)(yao)能够得到电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)，就可以有效形成反(fan)馈，从(cong)而建立恒流(liu)(liu)源(yuan)(yuan)。 能够进(jin)行(xing)(xing)电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)反(fan)馈的器(qi)件(jian)，还有电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)互感器(qi)，或者(zhe)利(li)(li)用霍(huo)尔元(yuan)件(jian)对(dui)电(dian)(dian)(dian)(dian)(dian)流(liu)(liu)回路(lu)(lu)上某些器(qi)件(jian)的磁场进(jin)行(xing)(xing)反(fan)馈，也可以利(li)(li)用回路(lu)(lu)上的发(fa)光(guang)器(qi)件(jian)（例(li)如光(guang)电(dian)(dian)(dian)(dian)(dian)耦合(he)器(qi)，...

程(cheng)控(kong)恒流源(yuan)的(de)(de)(de)(de)(de)(de)电(dian)(dian)(dian)路(lu)比较复杂,基本上可(ke)以分为小功率(lv)(lv)(lv)的(de)(de)(de)(de)(de)(de)控(kong)制(zhi)部分和大(da)(da)(da)功率(lv)(lv)(lv)的(de)(de)(de)(de)(de)(de)开(kai)关(guan)部分。开(kai)关(guan)晶(jing)体(ti)管则属大(da)(da)(da)功率(lv)(lv)(lv)，为保护开(kai)关(guan)晶(jing)体(ti)管在开(kai)启或关(guan)断电(dian)(dian)(dian)源(yuan)时的(de)(de)(de)(de)(de)(de)安全,必须先(xian)让调制(zhi)器、放(fang)大(da)(da)(da)器等小功率(lv)(lv)(lv)的(de)(de)(de)(de)(de)(de)控(kong)制(zhi)电(dian)(dian)(dian)路(lu)工作。为此,要保证正(zheng)确的(de)(de)(de)(de)(de)(de)开(kai)机(ji)(ji)程(cheng)序。开(kai)关(guan)稳压器的(de)(de)(de)(de)(de)(de)输(shu)(shu)入端一(yi)般(ban)接有小电(dian)(dian)(dian)感、大(da)(da)(da)电(dian)(dian)(dian)容(rong)的(de)(de)(de)(de)(de)(de)输(shu)(shu)入滤波器。在开(kai)机(ji)(ji)瞬间, 滤波电(dian)(dian)(dian)容(rong)器会流过很大(da)(da)(da)的(de)(de)(de)(de)(de)(de)浪(lang)(lang)涌(yong)电(dian)(dian)(dian)流,这(zhei)个浪(lang)(lang)涌(yong)电(dian)(dian)(dian)流可(ke)以为正(zheng)常输(shu)(shu)入电(dian)(dian)(dian)流的(de)(de)(de)(de)(de)(de)数倍。这(zhei)样大(da)(da)(da)的(de)(de)(de)(de)(de)(de)浪(lang)(lang)涌(yong)电(dian)(dian)(dian)流会使普(pu)通电(dian)(dian)(dian)源(yuan)开(kai)关(guan)的(de)(de)(de)(de)(de)(de)触点或继电(dian)(dian)(dian)器的(de)(de)(de)(de)(de)(de)...

恒流(liu)(liu)(liu)(liu)源(yuan)分为直(zhi)流(liu)(liu)(liu)(liu)恒流(liu)(liu)(liu)(liu)源(yuan)，交流(liu)(liu)(liu)(liu)恒流(liu)(liu)(liu)(liu)源(yuan)等。 交流(liu)(liu)(liu)(liu)恒流(liu)(liu)(liu)(liu)电(dian)(dian)(dian)(dian)源(yuan)替(ti)代(dai)了(le)原来由(you)交流(liu)(liu)(liu)(liu)稳(wen)压(ya)电(dian)(dian)(dian)(dian)源(yuan)、调压(ya)器(qi)、大电(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)变流(liu)(liu)(liu)(liu)器(qi)三台设(she)备组(zu)成的(de)交流(liu)(liu)(liu)(liu)电(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)源(yuan)，克服了(le)原方案无法解决的(de)铜阻温升(sheng)造成电(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)飘移的(de)缺(que)点，提高(gao)了(le)稳(wen)流(liu)(liu)(liu)(liu)精度(du)，加快了(le)校验响应速度(du)，受(shou)到了(le)用户(hu)的(de)肯定。 恒流(liu)(liu)(liu)(liu)源(yuan)、交流(liu)(liu)(liu)(liu)恒流(liu)(liu)(liu)(liu)源(yuan)主要应用于低压(ya)电(dian)(dian)(dian)(dian)器(qi)行业各种(zhong)断路器(qi)、热继电(dian)(dian)(dian)(dian)器(qi)、电(dian)(dian)(dian)(dian)机启动器(qi)等低压(ya)电(dian)(dian)(dian)(dian)器(qi)产品的(de)延(yan)时热脱扣(kou)试(shi)验中进行校验和测试(shi)。 恒流(liu)(liu)(liu)(liu)源(yuan)在低压(ya)电(dian)(dian)(dian)(dian)器(qi)行业产品的(de)特性检验中迅速...

UPS电(dian)(dian)(dian)(dian)源系统(tong)由五部(bu)分组成：主(zhu)路(lu)、旁路(lu)、电(dian)(dian)(dian)(dian)池(chi)等电(dian)(dian)(dian)(dian)源输(shu)入电(dian)(dian)(dian)(dian)路(lu)，进行(xing)AC/DC变(bian)(bian)(bian)换(huan)(huan)的(de)整流器（REC），进行(xing)DC/AC变(bian)(bian)(bian)换(huan)(huan)的(de)逆变(bian)(bian)(bian)器（INV），逆变(bian)(bian)(bian)和(he)旁路(lu)输(shu)出(chu)(chu)切换(huan)(huan)电(dian)(dian)(dian)(dian)路(lu)以及(ji)蓄(xu)能(neng)(neng)电(dian)(dian)(dian)(dian)池(chi)。其系统(tong)的(de)稳压(ya)功(gong)能(neng)(neng)通常(chang)是(shi)由整流器完(wan)成的(de)，整流器件(jian)采(cai)用可控硅(gui)或高频(pin)开关(guan)整流器，本身具有可根据外(wai)电(dian)(dian)(dian)(dian)的(de)变(bian)(bian)(bian)化(hua)(hua)控制(zhi)输(shu)出(chu)(chu)幅度(du)的(de)功(gong)能(neng)(neng)，从而当外(wai)电(dian)(dian)(dian)(dian)发生变(bian)(bian)(bian)化(hua)(hua)时（该变(bian)(bian)(bian)化(hua)(hua)应满足系统(tong)要求），输(shu)出(chu)(chu)幅度(du)基(ji)本不(bu)变(bian)(bian)(bian)的(de)整流电(dian)(dian)(dian)(dian)压(ya)。净化(hua)(hua)功(gong)能(neng)(neng)由储能(neng)(neng)电(dian)(dian)(dian)(dian)池(chi)来完(wan)成，由于整流器...

交(jiao)流(liu)(liu)(liu)(liu)(liu)恒(heng)流(liu)(liu)(liu)(liu)(liu)源分为(wei)两种：线(xian)性(xing)交(jiao)流(liu)(liu)(liu)(liu)(liu)恒(heng)流(liu)(liu)(liu)(liu)(liu)源和开关型交(jiao)流(liu)(liu)(liu)(liu)(liu)恒(heng)流(liu)(liu)(liu)(liu)(liu)源线(xian)性(xing)交(jiao)流(liu)(liu)(liu)(liu)(liu)恒(heng)流(liu)(liu)(liu)(liu)(liu)源性(xing)能(neng)特(te)点：（1）输(shu)出(chu)电流(liu)(liu)(liu)(liu)(liu)恒(heng)定(ding)可设定(ding)电流(liu)(liu)(liu)(liu)(liu)从零至额定(ding)值连续可调。 （2）采用(yong)线(xian)性(xing)放大电路，输(shu)出(chu)波(bo)(bo)形为(wei)标准(zhun)正(zheng)弦(xian)波(bo)(bo)，失真度低。 （3）输(shu)出(chu)电流(liu)(liu)(liu)(liu)(liu)精度高(gao)(gao)，纹波(bo)(bo)低，噪声小。（4）电源效率(lv)高(gao)(gao)，较传统的(de)线(xian)性(xing)功放效率(lv)要高(gao)(gao)出(chu)20%。（5）输(shu)出(chu)频(pin)率(lv)范(fan)围宽，可以(yi)从直流(liu)(liu)(liu)(liu)(liu)到10KHZ输(shu)出(chu)。（6）外(wai)接模拟信号，可以(yi)输(shu)出(chu)各种波(bo)(bo)形，如(ru)方波(bo)(bo)、三角波(bo)(bo)以(yi)及正(zheng)弦(xian)波(bo)(bo)。开关型交(jiao)流(liu)(liu)(liu)(liu)(liu)...

一、概述随着经济的飞速发(fa)展以(yi)及基层央(yang)行对网(wang)络建设认(ren)识(shi)的不断(duan)加深，中心(xin)机(ji)房建设和(he)(he)改造，近几(ji)(ji)年如(ru)火如(ru)荼。但随之而来(lai)的就(jiu)是日益庞大的电(dian)费开销，中心(xin)机(ji)房在建设中的投资，其(qi)中电(dian)气、电(dian)源、制冷等系统(tong)设施占(zhan)了(le)一半以(yi)上的投资比例，高(gao)额的电(dian)能消(xiao)耗使得整个数(shu)据中心(xin)运行成本(ben)居高(gao)不中心(xin)机(ji)房面临“建得起(qi)(qi)却用(yong)不起(qi)(qi)”的尴(gan)尬(ga)境地(di)。降低中心(xin)机(ji)房的运营成本(ben)和(he)(he)节(jie)能降耗成了(le)基层央(yang)行有关部门关注的问题，节(jie)约(yue)能源可以(yi)从以(yi)下几(ji)(ji)方面入手。首先是...