無功(gong)補償控制器具有(you)面板指示(shi)和(he)電(dian)(dian)機信號報警(jing),度知過壓(ya)欠(qian)壓(ya)保(bao)護(hu)斷相保(bao)護(hu)功(gong)能(neng)。可以先(xian)將(jiang)時間(jian)(jian)控制器的(de)輸出(chu)電(dian)(dian)。為低(di)壓(ya)配(pei)電(dian)(dian)與(yu)控制系統的(de)設計簡化提供(gong)了一(yi)種理想的(de)基礎元件,在CDK1起動時間(jian)(jian)內(nei),只對(dui)相,斷相,過壓(ya),欠(qian)壓(ya)欠(qian)流,超路,電(dian)(dian)及三相不(bu)平(ping)衡進(jin)行(xing)保(bao)護(hu),以通(tong)免CDK1啟動大電(dian)(dian)流和(he)過電(dian)(dian)流的(de)保(bao)護(hu):整(zheng)定時間(jian)(jian)為(1-秒內(nei)之間(jian)(jian)選擇只對(dui)輔(fu)劻(kuang)電(dian)(dian)源電(dian)(dian)壓(ya)進(jin)行(xing)保(bao)護(hu)。
工廠(chang)無功補償如何有效治理諧波問題
串聯(lian)(lian)補償有(you)(you)哪些優點?1)對相同的調節(jie)效果,串聯(lian)(lian)補償往往比并(bing)聯(lian)(lian)補償便(bian)宜,而且(qie)損耗非常小。2)對電壓(ya)穩定性,串聯(lian)(lian)電容器可降低臨界或崩潰電壓(ya)。3)串聯(lian)(lian)電容器有(you)(you)重要(yao)的"時間—過負(fu)荷(he)能力(li)。 4)串聯(lian)(lian)電容器和(he)可投切串聯(lian)(lian)電容器可以用(yong)來控制并(bing)聯(lian)(lian)線(xian)路(lu)的負(fu)荷(he)以減少有(you)(you)功(gong)(gong)和(he)無功(gong)(gong)損耗。
在(zai)以上的三(san)種情況中(zhong)(zhong)(zhong),按電(dian)路規(gui)律(lv)進(jin)行分析后,確定補(bu)(bu)償的基(ji)本原則為(wei)欠補(bu)(bu)償 為(wei)合理。全補(bu)(bu)償在(zai)RLC混聯電(dian)路中(zhong)(zhong)(zhong),如若電(dian)感(gan)電(dian)流(liu)與電(dian)容電(dian)流(liu)相等時,系(xi)統中(zhong)(zhong)(zhong)就會發生(sheng)電(dian)流(liu)諧振,設備中(zhong)(zhong)(zhong)將產生(sheng)幾倍于額(e)定值(zhi)的沖(chong)擊電(dian)流(liu),危及系(xi)統和設備安全。