變頻(pin)(pin)(pin)電(dian)(dian)(dian)(dian)機(ji)(ji)是(shi)(shi)一種新(xin)型的(de)(de)電(dian)(dian)(dian)(dian)機(ji)(ji)，它采用了(le)(le)變頻(pin)(pin)(pin)技術，可(ke)以(yi)(yi)根據(ju)不(bu)同的(de)(de)工作需(xu)求調節(jie)電(dian)(dian)(dian)(dian)機(ji)(ji)的(de)(de)轉速和(he)功率(lv)。相(xiang)比傳統(tong)的(de)(de)電(dian)(dian)(dian)(dian)機(ji)(ji)，變頻(pin)(pin)(pin)電(dian)(dian)(dian)(dian)機(ji)(ji)具有更(geng)高的(de)(de)效率(lv)和(he)更(geng)低的(de)(de)能(neng)(neng)耗，廣泛應用于各個領(ling)域。變頻(pin)(pin)(pin)電(dian)(dian)(dian)(dian)機(ji)(ji)具有高效節(jie)能(neng)(neng)的(de)(de)特點。傳統(tong)的(de)(de)電(dian)(dian)(dian)(dian)機(ji)(ji)在工作時通常是(shi)(shi)以(yi)(yi)滿負荷運轉，無(wu)論工作需(xu)求是(shi)(shi)大(da)還(huan)是(shi)(shi)小(xiao)，電(dian)(dian)(dian)(dian)機(ji)(ji)都(dou)會以(yi)(yi)相(xiang)同的(de)(de)功率(lv)運轉。而變頻(pin)(pin)(pin)電(dian)(dian)(dian)(dian)機(ji)(ji)可(ke)以(yi)(yi)根據(ju)實際(ji)需(xu)求調節(jie)轉速和(he)功率(lv)，避(bi)免了(le)(le)能(neng)(neng)源的(de)(de)浪(lang)費，提高了(le)(le)能(neng)(neng)源利(li)用率(lv)。據(ju)統(tong)計，使用變頻(pin)(pin)(pin)電(dian)(dian)(dian)(dian)機(ji)(ji)可(ke)以(yi)(yi)節(jie)省能(neng)(neng)源消耗30%以(yi)(yi)上，對于企(qi)業來說，這是(shi)(shi)一筆可(ke)觀(guan)的(de)(de)節(jie)能(neng)(neng)成本(ben)。變頻(pin)(pin)(pin)電(dian)(dian)(dian)(dian)機(ji)(ji)可(ke)以(yi)(yi)根據(ju)負載(zai)的(de)(de)變化自動調節(jie)功率(lv)輸出。江西國內變頻(pin)(pin)(pin)電(dian)(dian)(dian)(dian)機(ji)(ji)調試(shi)

永磁(ci)(ci)(ci)(ci)體(ti)(ti)(ti)(ti)(ti)是(shi)一(yi)種(zhong)具(ju)(ju)有(you)長久磁(ci)(ci)(ci)(ci)性的材料，可以(yi)產(chan)生穩定(ding)的磁(ci)(ci)(ci)(ci)場(chang)。永磁(ci)(ci)(ci)(ci)體(ti)(ti)(ti)(ti)(ti)電(dian)(dian)機(ji)是(shi)一(yi)種(zhong)利(li)用(yong)(yong)永磁(ci)(ci)(ci)(ci)體(ti)(ti)(ti)(ti)(ti)建立氣隙(xi)磁(ci)(ci)(ci)(ci)場(chang)的電(dian)(dian)機(ji)，它具(ju)(ju)有(you)結構(gou)簡單(dan)、體(ti)(ti)(ti)(ti)(ti)積(ji)小、效率高等優(you)點(dian)，因此(ci)在(zai)各個領域得(de)(de)到廣泛應用(yong)(yong)。永磁(ci)(ci)(ci)(ci)體(ti)(ti)(ti)(ti)(ti)電(dian)(dian)機(ji)的工作原理是(shi)利(li)用(yong)(yong)永磁(ci)(ci)(ci)(ci)體(ti)(ti)(ti)(ti)(ti)產(chan)生的磁(ci)(ci)(ci)(ci)場(chang)與電(dian)(dian)流(liu)產(chan)生的磁(ci)(ci)(ci)(ci)場(chang)相互作用(yong)(yong)，從而(er)產(chan)生轉(zhuan)矩(ju)。永磁(ci)(ci)(ci)(ci)體(ti)(ti)(ti)(ti)(ti)電(dian)(dian)機(ji)可以(yi)分為直流(liu)永磁(ci)(ci)(ci)(ci)體(ti)(ti)(ti)(ti)(ti)電(dian)(dian)機(ji)和交流(liu)永磁(ci)(ci)(ci)(ci)體(ti)(ti)(ti)(ti)(ti)電(dian)(dian)機(ji)兩種(zhong)類型(xing)。直流(liu)永磁(ci)(ci)(ci)(ci)體(ti)(ti)(ti)(ti)(ti)電(dian)(dian)機(ji)是(shi)常見的一(yi)種(zhong)永磁(ci)(ci)(ci)(ci)體(ti)(ti)(ti)(ti)(ti)電(dian)(dian)機(ji)，它的轉(zhuan)子上裝有(you)永磁(ci)(ci)(ci)(ci)體(ti)(ti)(ti)(ti)(ti)，通過電(dian)(dian)流(liu)的變化(hua)來(lai)控(kong)制(zhi)磁(ci)(ci)(ci)(ci)場(chang)的方向和大小，從而(er)實現轉(zhuan)矩(ju)的控(kong)制(zhi)。直流(liu)永磁(ci)(ci)(ci)(ci)體(ti)(ti)(ti)(ti)(ti)電(dian)(dian)機(ji)具(ju)(ju)有(you)起動(dong)(dong)(dong)轉(zhuan)矩(ju)大、轉(zhuan)速(su)范(fan)圍寬(kuan)、響應速(su)度快等優(you)點(dian)，因此(ci)在(zai)工業生產(chan)中得(de)(de)到廣泛應用(yong)(yong)，如電(dian)(dian)動(dong)(dong)(dong)車、電(dian)(dian)動(dong)(dong)(dong)工具(ju)(ju)等。江蘇常規(gui)變頻電(dian)(dian)機(ji)變頻電(dian)(dian)機(ji)可以(yi)適(shi)應不同的環境條件。

起(qi)(qi)動(dong)(dong)(dong)同(tong)步電(dian)動(dong)(dong)(dong)機(ji)(ji)有兩種(zhong)方法(fa)：1.異(yi)步起(qi)(qi)動(dong)(dong)(dong)法(fa)：在(zai)電(dian)動(dong)(dong)(dong)機(ji)(ji)的(de)主(zhu)磁極(ji)極(ji)靴上安裝籠型起(qi)(qi)動(dong)(dong)(dong)繞(rao)(rao)組。起(qi)(qi)動(dong)(dong)(dong)時(shi)，先將(jiang)勵磁繞(rao)(rao)組通(tong)過(guo)電(dian)阻(zu)短接(jie)(jie)，然后(hou)(hou)將(jiang)定子(zi)繞(rao)(rao)組接(jie)(jie)入電(dian)網(wang)。通(tong)過(guo)起(qi)(qi)動(dong)(dong)(dong)繞(rao)(rao)組的(de)異(yi)步電(dian)磁轉(zhuan)(zhuan)矩(ju)，使電(dian)動(dong)(dong)(dong)機(ji)(ji)加速(su)(su)到(dao)接(jie)(jie)近同(tong)步轉(zhuan)(zhuan)速(su)(su)，然后(hou)(hou)將(jiang)勵磁電(dian)流(liu)通(tong)入勵磁繞(rao)(rao)組，建(jian)立主(zhu)磁場，從而依靠同(tong)步電(dian)磁轉(zhuan)(zhuan)矩(ju)將(jiang)電(dian)動(dong)(dong)(dong)機(ji)(ji)轉(zhuan)(zhuan)子(zi)帶入同(tong)步轉(zhuan)(zhuan)速(su)(su)。2.輔助(zhu)電(dian)動(dong)(dong)(dong)機(ji)(ji)起(qi)(qi)動(dong)(dong)(dong)法(fa)：通(tong)常(chang)選擇(ze)與同(tong)步電(dian)動(dong)(dong)(dong)機(ji)(ji)極(ji)數相同(tong)的(de)感應電(dian)動(dong)(dong)(dong)機(ji)(ji)（容量約(yue)為主(zhu)機(ji)(ji)的(de)10～15%）作為輔助(zhu)電(dian)動(dong)(dong)(dong)機(ji)(ji)。輔助(zhu)電(dian)動(dong)(dong)(dong)機(ji)(ji)拖動(dong)(dong)(dong)主(zhu)機(ji)(ji)加速(su)(su)到(dao)接(jie)(jie)近同(tong)步轉(zhuan)(zhuan)速(su)(su)，然后(hou)(hou)將(jiang)電(dian)源(yuan)切換到(dao)主(zhu)機(ji)(ji)定子(zi)，勵磁電(dian)流(liu)通(tong)入勵磁繞(rao)(rao)組，將(jiang)主(zhu)機(ji)(ji)帶入同(tong)步轉(zhuan)(zhuan)速(su)(su)。

高(gao)效(xiao)(xiao)異(yi)(yi)步(bu)電(dian)(dian)動(dong)(dong)(dong)機(ji)(ji)相(xiang)比(bi)傳統的(de)(de)(de)同步(bu)電(dian)(dian)動(dong)(dong)(dong)機(ji)(ji)的(de)(de)(de)優點：高(gao)效(xiao)(xiao)控(kong)(kong)制：高(gao)效(xiao)(xiao)異(yi)(yi)步(bu)電(dian)(dian)動(dong)(dong)(dong)機(ji)(ji)采用了先進(jin)(jin)(jin)的(de)(de)(de)電(dian)(dian)機(ji)(ji)控(kong)(kong)制技(ji)術(shu)，能(neng)夠實現(xian)精確的(de)(de)(de)轉(zhuan)(zhuan)速和(he)轉(zhuan)(zhuan)矩控(kong)(kong)制。它可以(yi)根據實際需求(qiu)進(jin)(jin)(jin)行調速和(he)調節，實現(xian)能(neng)耗的(de)(de)(de)比(bi)較(jiao)好化(hua)。同時，高(gao)效(xiao)(xiao)異(yi)(yi)步(bu)電(dian)(dian)動(dong)(dong)(dong)機(ji)(ji)還(huan)(huan)具有較(jiao)低(di)的(de)(de)(de)起動(dong)(dong)(dong)電(dian)(dian)流和(he)較(jiao)高(gao)的(de)(de)(de)功率(lv)因數，能(neng)夠提(ti)高(gao)電(dian)(dian)網的(de)(de)(de)穩定性(xing)和(he)可靠(kao)性(xing)。環保節能(neng)：高(gao)效(xiao)(xiao)異(yi)(yi)步(bu)電(dian)(dian)動(dong)(dong)(dong)機(ji)(ji)具有較(jiao)低(di)的(de)(de)(de)能(neng)耗和(he)較(jiao)低(di)的(de)(de)(de)碳(tan)排放(fang)。它采用了先進(jin)(jin)(jin)的(de)(de)(de)電(dian)(dian)機(ji)(ji)設計和(he)制造(zao)技(ji)術(shu)，能(neng)夠更有效(xiao)(xiao)地利用能(neng)源(yuan)，減少(shao)能(neng)源(yuan)的(de)(de)(de)浪費。同時，高(gao)效(xiao)(xiao)異(yi)(yi)步(bu)電(dian)(dian)動(dong)(dong)(dong)機(ji)(ji)還(huan)(huan)具有較(jiao)低(di)的(de)(de)(de)噪音(yin)和(he)振動(dong)(dong)(dong)水平，減少(shao)了對(dui)環境(jing)的(de)(de)(de)污染。總之，高(gao)效(xiao)(xiao)異(yi)(yi)步(bu)電(dian)(dian)動(dong)(dong)(dong)機(ji)(ji)具有高(gao)效(xiao)(xiao)能(neng)、高(gao)可靠(kao)性(xing)、高(gao)適應性(xing)、高(gao)效(xiao)(xiao)控(kong)(kong)制和(he)環保節能(neng)等優勢。它是一(yi)種先進(jin)(jin)(jin)的(de)(de)(de)電(dian)(dian)動(dong)(dong)(dong)機(ji)(ji)技(ji)術(shu)，能(neng)夠滿足不同領域和(he)不同應用的(de)(de)(de)需求(qiu)，為工(gong)業(ye)生產和(he)社會發展提(ti)供了可靠(kao)的(de)(de)(de)動(dong)(dong)(dong)力(li)支(zhi)持。變(bian)頻電(dian)(dian)機(ji)(ji)可以(yi)實現(xian)多臺電(dian)(dian)機(ji)(ji)的(de)(de)(de)協同工(gong)作，提(ti)高(gao)生產效(xiao)(xiao)率(lv)。

上海海光電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)有限(xian)公司(si)變(bian)頻(pin)(pin)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)優勢：節能(neng)：變(bian)頻(pin)(pin)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)可(ke)(ke)(ke)以(yi)(yi)(yi)(yi)根(gen)據負載需求調(diao)(diao)(diao)整轉(zhuan)速(su)(su)，避免了(le)(le)傳(chuan)統(tong)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)在(zai)(zai)無負載或(huo)輕負載情(qing)況下(xia)(xia)運行的(de)(de)能(neng)源浪費。通過(guo)(guo)降(jiang)(jiang)低電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)轉(zhuan)速(su)(su)，可(ke)(ke)(ke)以(yi)(yi)(yi)(yi)明顯降(jiang)(jiang)低能(neng)耗，節約能(neng)源。調(diao)(diao)(diao)速(su)(su)范圍廣(guang)：變(bian)頻(pin)(pin)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)可(ke)(ke)(ke)以(yi)(yi)(yi)(yi)實(shi)現寬范圍的(de)(de)調(diao)(diao)(diao)速(su)(su)，從低速(su)(su)到高速(su)(su)都(dou)可(ke)(ke)(ke)以(yi)(yi)(yi)(yi)精確(que)控制(zhi)。這(zhe)使得(de)變(bian)頻(pin)(pin)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)在(zai)(zai)不同(tong)工況下(xia)(xia)都(dou)能(neng)夠提供恒定的(de)(de)轉(zhuan)矩(ju)(ju)(ju)或(huo)功率輸(shu)出(chu)，適應(ying)性強。啟動(dong)平(ping)穩(wen)：傳(chuan)統(tong)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)在(zai)(zai)啟動(dong)時會(hui)產(chan)生較(jiao)大的(de)(de)啟動(dong)電(dian)(dian)(dian)(dian)流，可(ke)(ke)(ke)能(neng)對電(dian)(dian)(dian)(dian)網和(he)(he)設(she)(she)備(bei)造成沖擊(ji)。而(er)變(bian)頻(pin)(pin)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)通過(guo)(guo)調(diao)(diao)(diao)整頻(pin)(pin)率和(he)(he)電(dian)(dian)(dian)(dian)壓(ya)，可(ke)(ke)(ke)以(yi)(yi)(yi)(yi)實(shi)現平(ping)穩(wen)啟動(dong)，減少啟動(dong)沖擊(ji)。轉(zhuan)矩(ju)(ju)(ju)平(ping)穩(wen)：變(bian)頻(pin)(pin)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)可(ke)(ke)(ke)以(yi)(yi)(yi)(yi)根(gen)據負載變(bian)化實(shi)時調(diao)(diao)(diao)整轉(zhuan)矩(ju)(ju)(ju)輸(shu)出(chu)，使得(de)轉(zhuan)矩(ju)(ju)(ju)輸(shu)出(chu)更加平(ping)穩(wen)，減少了(le)(le)機(ji)(ji)(ji)(ji)(ji)(ji)械設(she)(she)備(bei)的(de)(de)振動(dong)和(he)(he)噪音(yin)。延長壽(shou)命：變(bian)頻(pin)(pin)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)在(zai)(zai)調(diao)(diao)(diao)速(su)(su)過(guo)(guo)程(cheng)中可(ke)(ke)(ke)以(yi)(yi)(yi)(yi)減少電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)機(ji)(ji)(ji)(ji)(ji)(ji)械和(he)(he)電(dian)(dian)(dian)(dian)氣應(ying)力，降(jiang)(jiang)低了(le)(le)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)磨損和(he)(he)損壞風險(xian)，從而(er)延長了(le)(le)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)使用壽(shou)命。總之，變(bian)頻(pin)(pin)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)通過(guo)(guo)調(diao)(diao)(diao)整頻(pin)(pin)率和(he)(he)電(dian)(dian)(dian)(dian)壓(ya)，可(ke)(ke)(ke)以(yi)(yi)(yi)(yi)實(shi)現精確(que)的(de)(de)轉(zhuan)速(su)(su)控制(zhi)和(he)(he)轉(zhuan)矩(ju)(ju)(ju)輸(shu)出(chu)，提高了(le)(le)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)效率和(he)(he)可(ke)(ke)(ke)靠(kao)性，節約了(le)(le)能(neng)源和(he)(he)維護(hu)成本。變(bian)頻(pin)(pin)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)可(ke)(ke)(ke)以(yi)(yi)(yi)(yi)實(shi)現多種運行探索。廣(guang)東常(chang)規變(bian)頻(pin)(pin)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)型(xing)號

變頻電機可以實現(xian)多種運行評估。江西(xi)國內(nei)變頻電機調試

在(zai)變(bian)頻(pin)(pin)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)中，由(you)于(yu)PWM變(bian)頻(pin)(pin)器的(de)(de)(de)(de)(de)(de)(de)輸出電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)波形的(de)(de)(de)(de)(de)(de)(de)特性(xing)(xing)(xing)，會(hui)(hui)導(dao)致(zhi)(zhi)繞(rao)組(zu)(zu)匝(za)間(jian)產生局部(bu)(bu)放電(dian)(dian)(dian)(dian)(dian)(dian)。這是因為(wei)(wei)在(zai)每一個(ge)(ge)基(ji)本頻(pin)(pin)率開始時(shi)(shi)(shi)(shi)，電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)的(de)(de)(de)(de)(de)(de)(de)脈沖極性(xing)(xing)(xing)會(hui)(hui)發(fa)生變(bian)化(hua)(hua)，導(dao)致(zhi)(zhi)繞(rao)組(zu)(zu)承受一個(ge)(ge)二倍(bei)于(yu)尖峰電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)值的(de)(de)(de)(de)(de)(de)(de)全(quan)(quan)幅電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)。同(tong)時(shi)(shi)(shi)(shi)，在(zai)一個(ge)(ge)散嵌繞(rao)組(zu)(zu)的(de)(de)(de)(de)(de)(de)(de)三相電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)中，不(bu)同(tong)相的(de)(de)(de)(de)(de)(de)(de)相鄰二匝(za)之間(jian)的(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)極性(xing)(xing)(xing)可(ke)能會(hui)(hui)不(bu)同(tong)，全(quan)(quan)幅電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)的(de)(de)(de)(de)(de)(de)(de)躍變(bian)也有可(ke)能達(da)到(dao)二倍(bei)于(yu)一個(ge)(ge)尖峰電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)值。根據測試(shi)結果(guo)，在(zai)380/480V交流(liu)(liu)系(xi)統中，測得的(de)(de)(de)(de)(de)(de)(de)尖峰電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)值為(wei)(wei)～～。這個(ge)(ge)全(quan)(quan)幅電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)的(de)(de)(de)(de)(de)(de)(de)作用(yong)下，繞(rao)組(zu)(zu)匝(za)間(jian)會(hui)(hui)產生局部(bu)(bu)放電(dian)(dian)(dian)(dian)(dian)(dian)。由(you)于(yu)電(dian)(dian)(dian)(dian)(dian)(dian)離作用(yong)，氣隙中會(hui)(hui)產生空(kong)間(jian)電(dian)(dian)(dian)(dian)(dian)(dian)荷(he)，形成一個(ge)(ge)與(yu)外(wai)(wai)加電(dian)(dian)(dian)(dian)(dian)(dian)場(chang)反向的(de)(de)(de)(de)(de)(de)(de)感應(ying)電(dian)(dian)(dian)(dian)(dian)(dian)場(chang)。當電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)極性(xing)(xing)(xing)改變(bian)時(shi)(shi)(shi)(shi)，這個(ge)(ge)反向電(dian)(dian)(dian)(dian)(dian)(dian)場(chang)與(yu)外(wai)(wai)加電(dian)(dian)(dian)(dian)(dian)(dian)場(chang)方向一致(zhi)(zhi)，導(dao)致(zhi)(zhi)更高的(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)場(chang)產生，增加局部(bu)(bu)放電(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)(de)(de)(de)(de)數量，終可(ke)能引起擊穿。測試(shi)還表(biao)明，作用(yong)于(yu)繞(rao)組(zu)(zu)匝(za)間(jian)絕(jue)緣的(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)沖擊大(da)小取決(jue)于(yu)導(dao)線(xian)特定(ding)的(de)(de)(de)(de)(de)(de)(de)性(xing)(xing)(xing)能和(he)PWM驅動電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)的(de)(de)(de)(de)(de)(de)(de)上升(sheng)時(shi)(shi)(shi)(shi)間(jian)。如果(guo)上升(sheng)時(shi)(shi)(shi)(shi)間(jian)小于(yu)μs，80%的(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)勢會(hui)(hui)加在(zai)繞(rao)組(zu)(zu)的(de)(de)(de)(de)(de)(de)(de)前兩(liang)匝(za)上，即上升(sheng)時(shi)(shi)(shi)(shi)間(jian)越(yue)短(duan)，電(dian)(dian)(dian)(dian)(dian)(dian)沖擊越(yue)大(da)，匝(za)間(jian)絕(jue)緣的(de)(de)(de)(de)(de)(de)(de)壽(shou)命(ming)就(jiu)越(yue)短(duan)。當頻(pin)(pin)率增加時(shi)(shi)(shi)(shi)，局部(bu)(bu)放電(dian)(dian)(dian)(dian)(dian)(dian)會(hui)(hui)增加，產生熱量，進而(er)引起更大(da)的(de)(de)(de)(de)(de)(de)(de)漏電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)，使絕(jue)緣老化(hua)(hua)加速。因此(ci)，在(zai)變(bian)頻(pin)(pin)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)中，局部(bu)(bu)放電(dian)(dian)(dian)(dian)(dian)(dian)、電(dian)(dian)(dian)(dian)(dian)(dian)介質加熱、空(kong)間(jian)電(dian)(dian)(dian)(dian)(dian)(dian)荷(he)感應(ying)等因素共同(tong)作用(yong)，導(dao)致(zhi)(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)磁線(xian)的(de)(de)(de)(de)(de)(de)(de)過早損壞。江西國內(nei)變(bian)頻(pin)(pin)電(dian)(dian)(dian)(dian)(dian)(dian)機(ji)調(diao)試(shi)

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