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北(bei)京(jing)聯(lian)信十佳(jia)科技(ji)有限公司 主營：ABB變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)配(pei)(pei)(pei)(pei)(pei)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian) ，西門(men)子變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)配(pei)(pei)(pei)(pei)(pei)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian) ，AB變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)配(pei)(pei)(pei)(pei)(pei)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)，富(fu)(fu)士(shi)(shi)(shi)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)配(pei)(pei)(pei)(pei)(pei)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)，安川變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)配(pei)(pei)(pei)(pei)(pei)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)，三(san)菱(ling)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)配(pei)(pei)(pei)(pei)(pei)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)，施耐(nai)德(de)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)配(pei)(pei)(pei)(pei)(pei)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)，丹佛(fo)斯(si)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)配(pei)(pei)(pei)(pei)(pei)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)，賽(sai)米控逆變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)配(pei)(pei)(pei)(pei)(pei)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)，西門(men)康(kang)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)配(pei)(pei)(pei)(pei)(pei)件(jian)(jian)(jian)(jian)(jian)(jian)(jian)(jian)，富(fu)(fu)士(shi)(shi)(shi)制動(dong)(dong)單(dan)元 ，富(fu)(fu)士(shi)(shi)(shi)制動(dong)(dong)電(dian)(dian)阻，富(fu)(fu)士(shi)(shi)(shi)快(kuai)速熔(rong)斷(duan)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)，富(fu)(fu)士(shi)(shi)(shi)接觸器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)，富(fu)(fu)士(shi)(shi)(shi)電(dian)(dian)抗器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)，變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)電(dian)(dian)源(yuan)板(ban)(ban)(ban)(ban)(ban)(ban)(ban)，變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)驅(qu)動(dong)(dong)板(ban)(ban)(ban)(ban)(ban)(ban)(ban)，變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)保(bao)護(hu)板(ban)(ban)(ban)(ban)(ban)(ban)(ban)，變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)控制板(ban)(ban)(ban)(ban)(ban)(ban)(ban)，變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)IO板(ban)(ban)(ban)(ban)(ban)(ban)(ban)，變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)CUVC板(ban)(ban)(ban)(ban)(ban)(ban)(ban)，變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)CPU板(ban)(ban)(ban)(ban)(ban)(ban)(ban)，變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)ID板(ban)(ban)(ban)(ban)(ban)(ban)(ban)，變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)通訊(xun)板(ban)(ban)(ban)(ban)(ban)(ban)(ban)，變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)器(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)(qi)操作(zuo)面板(ban)(ban)(ban)(ban)(ban)(ban)(ban)，
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富士制動單元的介紹
 
      富士制動單元，全稱為“變頻(pin)器專(zhuan)用(yong)型能(neng)耗制(zhi)動(dong)單(dan)元”，或者(zhe)是“變頻(pin)器專(zhuan)用(yong)型能(neng)量(liang)回(hui)饋(kui)單(dan)元”，主要(yao)(yao)用(yong)于控制(zhi)機械(xie)負載比較重的(de)、制(zhi)動(dong)速度要(yao)(yao)求非常快的(de)場合，將電機所產(chan)生的(de)再生電能(neng)通過制(zhi)動(dong)電阻消耗掉，或者(zhe)是將再生電能(neng)反(fan)饋(kui)回(hui)電源。
      富士制動單元在變(bian)頻調速系統(tong)中，降速的(de)(de)(de)基(ji)本方(fang)(fang)法(fa)就(jiu)是通過逐步降低給定頻率來實(shi)(shi)現。當拖動(dong)(dong)系統(tong)的(de)(de)(de)慣(guan)性較大，電(dian)(dian)機(ji)(ji)的(de)(de)(de)轉(zhuan)速的(de)(de)(de)下(xia)降將(jiang)跟不(bu)上(shang)電(dian)(dian)機(ji)(ji)同步轉(zhuan)速的(de)(de)(de)下(xia)降，即電(dian)(dian)機(ji)(ji)的(de)(de)(de)實(shi)(shi)際速度(du)比其同步速度(du)高，此時電(dian)(dian)機(ji)(ji)轉(zhuan)子繞組(zu)切割(ge)旋轉(zhuan)磁(ci)場磁(ci)力線(xian)的(de)(de)(de)方(fang)(fang)向(xiang)和(he)電(dian)(dian)機(ji)(ji)恒速運行(xing)時正好相(xiang)反(fan)，轉(zhuan)子繞組(zu)的(de)(de)(de)感應電(dian)(dian)動(dong)(dong)勢和(he)電(dian)(dian)流(liu)的(de)(de)(de)方(fang)(fang)向(xiang)也都(dou)相(xiang)反(fan)，所產生的(de)(de)(de)電(dian)(dian)磁(ci)轉(zhuan)矩(ju)(ju)也就(jiu)和(he)電(dian)(dian)機(ji)(ji)旋轉(zhuan)方(fang)(fang)向(xiang)相(xiang)反(fan)，電(dian)(dian)動(dong)(dong)機(ji)(ji)將(jiang)出現負(fu)轉(zhuan)矩(ju)(ju)，此時的(de)(de)(de)電(dian)(dian)動(dong)(dong)機(ji)(ji)實(shi)(shi)際為發電(dian)(dian)機(ji)(ji)，系統(tong)處于(yu)再生制動(dong)(dong)狀(zhuang)態(tai)，將(jiang)拖動(dong)(dong)系統(tong)的(de)(de)(de)動(dong)(dong)能(neng)回饋到(dao)(dao) 變(bian)頻器直(zhi)流(liu)母線(xian)上(shang)，使直(zhi)流(liu)母線(xian)電(dian)(dian)壓(ya)不(bu)斷上(shang)升，甚(shen)至(zhi)達到(dao)(dao)危險的(de)(de)(de)地步（變(bian)頻器損壞(huai)等）。





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