一般對變頻控制柜采取最廣泛的散熱方式是在自然條件下使控制柜散熱，也被稱為自然換氣，大連配電箱有封閉和開(kai)放(fang)式兩種，特點是其成(cheng)本低(di)，使用范圍廣(guang)。當變(bian)(bian)頻器容量變(bian)(bian)大時變(bian)(bian)頻控制(zhi)柜(ju)的尺寸也隨之而變(bian)(bian)大，此方法適用于小容量變(bian)(bian)頻器。

    確(que)認大連配(pei)電(dian)(dian)(dian)箱控制柜(ju)安裝是(shi)(shi)(shi)否(fou)(fou)就位(wei)；確(que)認柜(ju)內接線是(shi)(shi)(shi)否(fou)(fou)松動、脫落現象；再次確(que)認變頻器(qi)(qi)(qi)的(de)接線是(shi)(shi)(shi)否(fou)(fou)有(you)誤，直流(liu)和交流(liu)接線是(shi)(shi)(shi)否(fou)(fou)有(you)誤；主電(dian)(dian)(dian)源接線是(shi)(shi)(shi)否(fou)(fou)正(zheng)(zheng)確(que)；電(dian)(dian)(dian)機(ji)接線是(shi)(shi)(shi)否(fou)(fou)正(zheng)(zheng)確(que)；電(dian)(dian)(dian)纜型(xing)號(hao)是(shi)(shi)(shi)否(fou)(fou)和所選(xuan)(xuan)用的(de)電(dian)(dian)(dian)機(ji)（負(fu)載(zai)(zai)）匹配(pei)；變頻器(qi)(qi)(qi)的(de)額(e)定功(gong)率是(shi)(shi)(shi)否(fou)(fou)大于等于所選(xuan)(xuan)電(dian)(dian)(dian)機(ji)的(de)額(e)定功(gong)率，如果是(shi)(shi)(shi)重載(zai)(zai)場合，則(ze)需(xu)變頻器(qi)(qi)(qi)的(de)額(e)定功(gong)率大于電(dian)(dian)(dian)機(ji)功(gong)率一個(ge)或(huo)(huo)兩(liang)個(ge)檔次；熱繼電(dian)(dian)(dian)器(qi)(qi)(qi)的(de)整定值是(shi)(shi)(shi)否(fou)(fou)正(zheng)(zheng)確(que)。柜(ju)內是(shi)(shi)(shi)否(fou)(fou)有(you)多余(yu)的(de)線頭(tou)或(huo)(huo)異物。合上(shang)主電(dian)(dian)(dian)源空開空試一次，迅速斷開，看接線是(shi)(shi)(shi)否(fou)(fou)正(zheng)(zheng)確(que)，相序是(shi)(shi)(shi)否(fou)(fou)正(zheng)(zheng)確(que)。

    根據大連配電箱現(xian)場工藝的控(kong)制要(yao)求(qiu)，嚴(yan)格(ge)按照(zhao)變(bian)頻器說明書(shu)，設(she)定(ding)參(can)數。設(she)定(ding)完(wan)畢，確(que)認電(dian)(dian)機額定(ding)功率、額定(ding)電(dian)(dian)壓(ya)、額定(ding)電(dian)(dian)流等參(can)數是(shi)否(fou)(fou)正確(que)，保(bao)護(hu)參(can)數設(she)置(zhi)是(shi)否(fou)(fou)正確(que)，控(kong)制方式(shi)是(shi)否(fou)(fou)符合工藝控(kong)制要(yao)求(qiu)，確(que)認無誤后開(kai)機試(shi)運行，根(gen)據現(xian)場的信號在此判斷是(shi)否(fou)(fou)需要(yao)修(xiu)改(gai)設(she)定(ding)的參(can)數數值(zhi)，對于閉環控(kong)制，特別(bie)是(shi)恒壓(ya)控(kong)制，設(she)置(zhi)PID時首先調P參(can)數，一般是(shi)從小到(dao)大(da)(da)慢慢調，P參(can)數設(she)置(zhi)大(da)(da)，系統(tong)的調節速度(du)快，容易引起系統(tong)震(zhen)蕩，積分參(can)數，不可設(she)置(zhi)過短。