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静态无功补偿(chang)控(kong)制(zhi)器和(he)动态无功补偿(chang)控(kong)制(zhi)器有什么(me)区(qu)别(bie)?

发布(bu)时间:2023-08-02 发布(bu)者:本站

      静态补偿只是根据功率因数固定(按顺序)电容,而动态补偿是根据功率因数的差异而选择的开关电容不正确。

      无功补偿(chang)(chang)器(qi)(qi)是补偿(chang)(chang)装(zhuang)置的(de)一(yi)种。电(dian)(dian)子供(gong)电(dian)(dian)系统(tong)所起到(dao)的(de)作用(yong)是提高电(dian)(dian)网的(de)功率因数(shu),减少(shao)(shao)供(gong)电(dian)(dian)变压(ya)(ya)器(qi)(qi)和(he)输电(dian)(dian)线路的(de)损耗,提高供(gong)电(dian)(dian)效率,改善供(gong)电(dian)(dian)环境(jing)。因此,无功补偿(chang)(chang)装(zhuang)置在供(gong)电(dian)(dian)系统(tong)中处于不可(ke)(ke)缺(que)少(shao)(shao)的(de)重(zhong)要(yao)地位。合理选择(ze)补偿(chang)(chang)装(zhuang)置可(ke)(ke)以最大限度地减少(shao)(shao)网络损失(shi),提高电(dian)(dian)网质量。反(fan)之,如果选择(ze)或使用(yong)不当,可(ke)(ke)能会(hui)造成(cheng)供(gong)电(dian)(dian)系统(tong)、电(dian)(dian)压(ya)(ya)波动、谐波增加等多种因素的(de)影响。

      无(wu)功(gong)(gong)补偿(chang)控(kong)(kong)制(zhi)(zhi)器(qi)具(ju)有功(gong)(gong)率(lv)因数(shu)型(xing)(xing)、无(wu)功(gong)(gong)功(gong)(gong)率(lv)型(xing)(xing)、无(wu)功(gong)(gong)电(dian)流型(xing)(xing)三种采样模式。选(xuan)择哪种物理控(kong)(kong)制(zhi)(zhi)方式实际上就是(shi)无(wu)功(gong)(gong)补偿(chang)控(kong)(kong)制(zhi)(zhi)器(qi)的(de)选(xuan)择。控(kong)(kong)制(zhi)(zhi)器(qi)是(shi)无(wu)功(gong)(gong)补偿(chang)装置的(de)指挥系(xi)统。采样、计(ji)算、开关信号、参(can)数(shu)设置、测量、元件保护等功(gong)(gong)能均由(you)补偿(chang)控(kong)(kong)制(zhi)(zhi)器(qi)完成。近十年来(lai),经历了(le)分立(li)元件——集成电路——微控(kong)(kong)制(zhi)(zhi)(zhi)器(qi)——DSP芯片的(de)(de)(de)快速发展过程,其功能(neng)也(ye)日(ri)趋完善。就国(guo)内(nei)整体情况来说,由于(yu)市场需(xu)求量(liang)(liang)(liang)大,生产(chan)(chan)厂(chang)家越来越多,而(er)(er)且(qie)它们的(de)(de)(de)性能(neng)和内(nei)在品(pin)(pin)质也(ye)有很(hen)大差异。很(hen)多产(chan)(chan)品(pin)(pin)名(ming)称并不(bu)(bu)真实,选(xuan)择(ze)(ze)时需(xu)要(yao)认(ren)真对待。选(xuan)择(ze)(ze)时要(yao)注意的(de)(de)(de)另一个(ge)问题是(shi),国(guo)产(chan)(chan)控(kong)(kong)制(zhi)(zhi)(zhi)器(qi)的(de)(de)(de)名(ming)称是(shi)“XXX无(wu)功补偿控(kong)(kong)制(zhi)(zhi)(zhi)器(qi)”。名(ming)称中(zhong)出现(xian)(xian)的(de)(de)(de)“无(wu)功功率(lv)”的(de)(de)(de)含义并不(bu)(bu)是(shi)本控(kong)(kong)制(zhi)(zhi)(zhi)器(qi)的(de)(de)(de)采(cai)样物(wu)理(li)量(liang)(liang)(liang)。采(cai)样的(de)(de)(de)物(wu)理(li)量(liang)(liang)(liang)取(qu)决于(yu)产(chan)(chan)品(pin)(pin)的(de)(de)(de)型号,而(er)(er)不(bu)(bu)是(shi)产(chan)(chan)品(pin)(pin)的(de)(de)(de)名(ming)称。名(ming)称中(zhong)出现(xian)(xian)的(de)(de)(de)并不(bu)(bu)是(shi)该控(kong)(kong)制(zhi)(zhi)(zhi)器(qi)的(de)(de)(de)采(cai)样物(wu)理(li)量(liang)(liang)(liang)。采(cai)样的(de)(de)(de)物(wu)理(li)量(liang)(liang)(liang)取(qu)决于(yu)产(chan)(chan)品(pin)(pin)的(de)(de)(de)型号,而(er)(er)不(bu)(bu)是(shi)产(chan)(chan)品(pin)(pin)的(de)(de)(de)名(ming)称。名(ming)称中(zhong)出现(xian)(xian)的(de)(de)(de)并不(bu)(bu)是(shi)该控(kong)(kong)制(zhi)(zhi)(zhi)器(qi)的(de)(de)(de)采(cai)样物(wu)理(li)量(liang)(liang)(liang)。采(cai)样的(de)(de)(de)物(wu)理(li)量(liang)(liang)(liang)取(qu)决于(yu)产(chan)(chan)品(pin)(pin)的(de)(de)(de)型号,而(er)(er)不(bu)(bu)是(shi)产(chan)(chan)品(pin)(pin)的(de)(de)(de)名(ming)称。