變(bian)頻(pin)器表(biao)現(xian)出的各(ge)種諧(xie)波(bo)(bo)問題嗎，是可以(yi)想辦(ban)法(fa)治理的，關鍵(jian)就在于要抑(yi)制輻射(she)干(gan)擾和供電(dian)(dian)系統的干(gan)擾。究竟哪些技術(shu)手段對變(bian)頻(pin)器諧(xie)波(bo)(bo)治理會比(bi)較(jiao)有(you)效呢？不妨嘗試以(yi)下措施。比(bi)如說可以(yi)在變(bian)頻(pin)器輸入側(ce)與輸出側(ce)串(chuan)接合適(shi)的電(dian)(dian)抗器，用以(yi)吸收諧(xie)波(bo)(bo)和增大電(dian)(dian)源或負載的阻抗，達到抑(yi)制諧(xie)波(bo)(bo)的目的，以(yi)減少傳(chuan)輸過程中的電(dian)(dian)磁輻射(she)。通(tong)過抑(yi)制諧(xie)波(bo)(bo)電(dian)(dian)流，使得變(bian)頻(pin)器的功率因數有(you)所提(ti)高(gao)。

首次裝置補償模組的補償標準是什么

而對(dui)重要(yao)變電(dian)(dian)(dian)(dian)站或實(shi)施無人值班變電(dian)(dian)(dian)(dian)站的公(gong)共(gong)配電(dian)(dian)(dian)(dian)點(dian)或重要(yao)電(dian)(dian)(dian)(dian)力(li)用(yong)戶(hu)的配電(dian)(dian)(dian)(dian)點(dian)可實(shi)行電(dian)(dian)(dian)(dian)能質(zhi)量在線連(lian)續(xu)監(jian)(jian)測。在線檢測主(zhu)要(yao)適用(yong)于監(jian)(jian)測電(dian)(dian)(dian)(dian)網電(dian)(dian)(dian)(dian)壓質(zhi)量偏差、三相(xiang)電(dian)(dian)(dian)(dian)壓不平(ping)衡、電(dian)(dian)(dian)(dian)壓諧波等(deng)狀態，以及電(dian)(dian)(dian)(dian)力(li)用(yong)戶(hu)負荷注(zhu)入公(gong)用(yong)電(dian)(dian)(dian)(dian)網的諧波電(dian)(dian)(dian)(dian)流(liu)和(he)負序電(dian)(dian)(dian)(dian)流(liu)等(deng)指標。

這是一個(ge)功率(lv)因(yin)(yin)數(shu)很(hen)低(di)且三(san)相(xiang)嚴重(zhong)不平(ping)衡的例子，三(san)相(xiang)的功率(lv)因(yin)(yin)數(shu)均為(wei)0.707。C相(xiang)電流比A相(xiang)電流大一倍(bei)。在這個(ge)例子里，由(you)于負荷含有足夠多的電感，因(yin)(yin)此只要恰當地投(tou)入電容器，就(jiu)可以使三(san)相(xiang)的功率(lv)因(yin)(yin)數(shu)均為(wei)1，并且三(san)相(xiang)電流平(ping)衡。