一、有源電力濾波器的工作原理是什么
有源電力濾波器通過電流互感器檢測負載電流,并通過內部DSP計算,提取出負載電流中的諧波成分,然(ran)后(hou)通過PWM信號發(fa)送(song)給內部IGBT,控制逆變器(qi)產生一個和負載諧波電(dian)流大小相等(deng),方向相反的(de)諧波電(dian)流注(zhu)入(ru)到(dao)電(dian)網中(zhong),達(da)到(dao)濾(lv)波的(de)目的(de)。
指(zhi)令(ling)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)檢測電(dian)(dian)(dian)(dian)路(lu)的功能主(zhu)要是從負載電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)中分(fen)離(li)出(chu)諧波(bo)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)分(fen)量(liang)和基波(bo)無功電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu),然(ran)后將其反(fan)極性作用后發生(sheng)(sheng)補(bu)償(chang)(chang)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)的指(zhi)令(ling)信號。電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)跟蹤控(kong)制電(dian)(dian)(dian)(dian)路(lu)的功能是根據主(zhu)電(dian)(dian)(dian)(dian)路(lu)產生(sheng)(sheng)的補(bu)償(chang)(chang)電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu),計算出(chu)主(zhu)電(dian)(dian)(dian)(dian)路(lu)各開關器件的觸發脈沖,此脈沖經驅(qu)動電(dian)(dian)(dian)(dian)路(lu)后作用于主(zhu)電(dian)(dian)(dian)(dian)路(lu)。這樣(yang)電(dian)(dian)(dian)(dian)源電(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)中只含有(you)基波(bo)的有(you)功分(fen)量(liang),從而達到消除(chu)諧波(bo)與進行無功補(bu)償(chang)(chang)的目(mu)的。
根據同樣的原理,有源電力濾波器還能對(dui)不對(dui)稱三(san)相電路的(de)負序電流分量進行補償。
二、有源電力濾波器的作用有哪些
原理是為作用服務的,那么你知道有源電力濾波器的作用有哪些嗎?
有源電(dian)力(li)濾(lv)波器的(de)(de)作用是實時諧波治理,動態補償無功(gong),消除三相不平衡,提高功(gong)率(lv)因(yin)數,節(jie)約電(dian)能延長電(dian)力(li)設備的(de)(de)使(shi)用壽命(ming),保(bao)持生(sheng)產供電(dian)的(de)(de)連續性和穩定性及安全性,提高生(sheng)產效(xiao)率(lv)等(deng)。
有(you)源電(dian)力濾波(bo)器的(de)工作原(yuan)理(li)是什么以及有(you)源電(dian)力濾波(bo)器的(de)作用有(you)哪些的(de)相(xiang)關內容就介紹到這,相(xiang)信你已(yi)經有(you)了一個更深入的(de)了解,主頁還有(you)更多(duo)相(xiang)關知(zhi)識,歡迎點擊查看哦!