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深圳山特UPS不间断电源各部分功能的详细介绍

作者:admin    发布时间:2020-12-07     浏览次数 :


  山特(te)UPS电(dian)源系(xi)统可以(yi)很大程度的(de)(de)保护电(dian)脑及(ji)其它(ta)仪器(qi)和设备(bei)。在市电(dian)不稳定(ding)的(de)(de)时候,可以(yi)避免遭受(shou)突(tu)然断电(dian)、浪涌冲击等的(de)(de)危害,并起到(dao)过载(zai)、短路、电(dian)池(chi)过放等的(de)(de)防护,使其较为稳定(ding)的(de)(de)进(jin)行(xing)工作(zuo)。

深圳山特UPS不间断电源各部分功能的介绍

  1.充电器的作用

  从(cong)主电(dian)(dian)(dian)(dian)源吸收能(neng)量,经过桥式(shi)可(ke)控硅整流(liu)(liu)电(dian)(dian)(dian)(dian)路(lu)、阻容滤波电(dian)(dian)(dian)(dian)路(lu),产生直流(liu)(liu)电(dian)(dian)(dian)(dian),并将(jiang)直流(liu)(liu)电(dian)(dian)(dian)(dian)提供(gong)给蓄(xu)电(dian)(dian)(dian)(dian)池和逆(ni)变器(qi)。

  2.逆变器的主要作用

  将充电(dian)(dian)器(qi)或蓄(xu)电(dian)(dian)池送来的直(zhi)流(liu)电(dian)(dian)转变(bian)成交流(liu)电(dian)(dian)输出。有(you)的也称逆变(bian)器(qi)为DC/AC变(bian)流(liu)器(qi),它(ta)是(shi)UPS电(dian)(dian)源的核心部件(jian),逆变(bian)器(qi)性(xing)能的好坏,对UPS电(dian)(dian)源输出波形、效(xiao)率、可靠性(xing)、瞬态响(xiang)应、噪声、体积、重量(liang)等(deng)方(fang)面有(you)着决定性(xing)的影响(xiang)。一台UPS电(dian)(dian)源性(xing)能好坏,主要是(shi)由逆变(bian)器(qi)的性(xing)能来决定的。

  通(tong)常,UPS监控软(ruan)件(jian)根据通(tong)讯界(jie)面的(de)不同,分(fen)为(wei)Relay界(jie)面(远程(cheng)监控板)和RS232界(jie)面两种。前者由(you)于提供(gong)的(de)是一些简(jian)(jian)单的(de)干接点信号(象ACFail,Batt.Low等(deng)),因此监控可(ke)提供(gong)的(de)功能也相对简(jian)(jian)单,只能处(chu)理市(shi)电异常或UPS电池低电位时(shi)通(tong)知等(deng)功能。

  而大(da)多(duo)数UPS所(suo)采用的(de)(de)标准RS232界面,则可(ke)以(yi)提供更(geng)多(duo)的(de)(de)诸如UPS的(de)(de)输入(ru)、输出电(dian)压,电(dian)池工作参(can)数,频率,负载等更(geng)多(duo)的(de)(de)电(dian)源信息和(he)对UPS进(jin)行(xing)参(can)数设(she)定等管理功能(neng)。但因为两种(zhong)监控(kong)软件主要利(li)用RS485和(he)RS232接口进(jin)行(xing),这两种(zhong)接口都(dou)有(you)传(chuan)输距(ju)离限制,不能(neng)实现任(ren)意的(de)(de)远距(ju)监控(kong)。

  3.静态开关的主要作用

  静(jing)态(tai)开关主要(yao)作用(yong)是保证(zheng)山特UPS电(dian)(dian)(dian)源(yuan)(yuan)系统不间断供电(dian)(dian)(dian)。当UPS电(dian)(dian)(dian)源(yuan)(yuan)正常供电(dian)(dian)(dian)时,逆变器输出交流电(dian)(dian)(dian)作为计算机设备的主要(yao)电(dian)(dian)(dian)源(yuan)(yuan)(或者由市电(dian)(dian)(dian)经稳压器后直接供计算机用(yong)电(dian)(dian)(dian))。在(zai)下列情况出现(xian)时:

  在线式UPS也叫做(zuo)双变(bian)(bian)换UPS,从图中我们可(ke)以看到(dao),市(shi)电(dian)(dian)(dian)(dian)(dian)经(jing)过整流(liu)器(qi)整流(liu)后变(bian)(bian)成直流(liu)电(dian)(dian)(dian)(dian)(dian),一(yi)部分(fen)(fen)给蓄(xu)电(dian)(dian)(dian)(dian)(dian)池(chi)充电(dian)(dian)(dian)(dian)(dian),另一(yi)部分(fen)(fen)则是直接送(song)到(dao)了(le)逆(ni)变(bian)(bian)器(qi)进行逆(ni)变(bian)(bian),把直流(liu)电(dian)(dian)(dian)(dian)(dian)转换为交(jiao)流(liu)电(dian)(dian)(dian)(dian)(dian)输(shu)出(chu)(chu)(chu),当市(shi)电(dian)(dian)(dian)(dian)(dian)出(chu)(chu)(chu)现问题时,蓄(xu)电(dian)(dian)(dian)(dian)(dian)池(chi)会向逆(ni)变(bian)(bian)器(qi)提供电(dian)(dian)(dian)(dian)(dian)力(li),保(bao)证电(dian)(dian)(dian)(dian)(dian)力(li)的持续输(shu)出(chu)(chu)(chu),同时发出(chu)(chu)(chu)报警提示(shi)。因为其进行了(le)“交(jiao)流(liu)——直流(liu)——交(jiao)流(liu)”两次变(bian)(bian)换,所以叫做(zuo)双变(bian)(bian)换UPS.

  ①当(dang)计算机设备起动或(huo)发生浪涌超(chao)负载;

  ②当逆变器发生(sheng)故障。

  通过(guo)电(dian)压检测信号(hao),静态(tai)开关迅速将负载(zai)由(you)逆(ni)变器(qi)供(gong)电(dian)转(zhuan)(zhuan)移到市电(dian)供(gong)电(dian)。一旦(dan)恢复(fu)正常,经(jing)检测市电(dian)与逆(ni)变器(qi)电(dian)压同(tong)步、同(tong)频时,又转(zhuan)(zhuan)为逆(ni)变器(qi)供(gong)电(dian)。静态(tai)开关,就是完成转(zhuan)(zhuan)换并保(bao)证转(zhuan)(zhuan)换可靠(kao)、不(bu)间断供(gong)电(dian)的关键设备。

  4.蓄电池的主要作用

  切(qie)换(huan)开关切(qie)换(huan)的(de)(de)(de)(de)(de)时(shi)(shi)间一般是(shi)几毫秒到十(shi)毫秒,对(dui)于计算机(ji)类设(she)备(bei)的(de)(de)(de)(de)(de)影响(xiang)不(bu)(bu)大(da),但是(shi)切(qie)换(huan)刚开始的(de)(de)(de)(de)(de)时(shi)(shi)候(hou)(hou)输出(chu)的(de)(de)(de)(de)(de)交(jiao)流电(dian)(dian)的(de)(de)(de)(de)(de)波(bo)形是(shi)方波(bo)而不(bu)(bu)是(shi)正弦波(bo),所以对(dui)于一些(xie)供(gong)电(dian)(dian)质(zhi)(zhi)量要求(qiu)比较(jiao)高的(de)(de)(de)(de)(de)设(she)备(bei)可能会有(you)些(xie)影响(xiang)。市面上还有(you)一种(zhong)叫做在线互动式(shi)UPS电(dian)(dian)源,其(qi)实本质(zhi)(zhi)就是(shi)后(hou)(hou)备(bei)式(shi)UPS的(de)(de)(de)(de)(de)一个加(jia)强(qiang)版,正常工作(zuo)的(de)(de)(de)(de)(de)时(shi)(shi)候(hou)(hou)它的(de)(de)(de)(de)(de)逆变器(qi)处于待机(ji)状态(tai),在线互动式(shi)UPS采用智(zhi)能控(kong)制,对(dui)杂波(bo)过(guo)滤的(de)(de)(de)(de)(de)比较(jiao)好,输出(chu)电(dian)(dian)压波(bo)形基(ji)本为正弦波(bo),但是(shi)在市电(dian)(dian)断电(dian)(dian)后(hou)(hou)切(qie)换(huan)到蓄(xu)电(dian)(dian)池供(gong)电(dian)(dian)时(shi)(shi)仍有(you)切(qie)换(huan)时(shi)(shi)间。

  蓄(xu)电(dian)(dian)池(chi)是储存(cun)(cun)电(dian)(dian)能(neng)(neng)的(de)装置。在正常(chang)供电(dian)(dian)时,直流(liu)电(dian)(dian)源(yuan)对蓄(xu)电(dian)(dian)池(chi)进行(xing)充电(dian)(dian)。它将(jiang)电(dian)(dian)能(neng)(neng)转(zhuan)换成化(hua)学(xue)能(neng)(neng)贮存(cun)(cun)起来。当市(shi)电(dian)(dian)中断时,UPS电(dian)(dian)源(yuan)将(jiang)依(yi)靠(kao)储存(cun)(cun)在蓄(xu)电(dian)(dian)池(chi)中的(de)能(neng)(neng)量(liang)输出直流(liu)电(dian)(dian),维持(chi)逆(ni)变器的(de)正常(chang)工作。即将(jiang)化(hua)学(xue)能(neng)(neng)转(zhuan)换成电(dian)(dian)能(neng)(neng),供逆(ni)变器使用。

  山特UPS电源系统占用宝贵的数据中心地面空间,所以确保您选择的配置不会要求在您的设施中增加更多的空间。


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