變(bian)(bian)頻(pin)(pin)電(dian)(dian)(dian)(dian)機(ji)(ji)是(shi)一(yi)種(zhong)新(xin)型(xing)的(de)(de)(de)電(dian)(dian)(dian)(dian)機(ji)(ji)，它采用(yong)(yong)(yong)了(le)變(bian)(bian)頻(pin)(pin)技術，可以根(gen)據(ju)不同的(de)(de)(de)工作需(xu)(xu)求調(diao)節(jie)(jie)電(dian)(dian)(dian)(dian)機(ji)(ji)的(de)(de)(de)轉(zhuan)速(su)(su)和(he)功(gong)率(lv)(lv)。相比傳統的(de)(de)(de)電(dian)(dian)(dian)(dian)機(ji)(ji)，變(bian)(bian)頻(pin)(pin)電(dian)(dian)(dian)(dian)機(ji)(ji)具有更高(gao)(gao)的(de)(de)(de)效率(lv)(lv)和(he)更低的(de)(de)(de)能(neng)(neng)耗，廣泛(fan)應(ying)用(yong)(yong)(yong)于各個(ge)領域。變(bian)(bian)頻(pin)(pin)電(dian)(dian)(dian)(dian)機(ji)(ji)具有高(gao)(gao)效節(jie)(jie)能(neng)(neng)的(de)(de)(de)特點。傳統的(de)(de)(de)電(dian)(dian)(dian)(dian)機(ji)(ji)在工作時通(tong)常(chang)是(shi)以滿(man)負荷運(yun)轉(zhuan)，無論工作需(xu)(xu)求是(shi)大還是(shi)小，電(dian)(dian)(dian)(dian)機(ji)(ji)都會以相同的(de)(de)(de)功(gong)率(lv)(lv)運(yun)轉(zhuan)。而變(bian)(bian)頻(pin)(pin)電(dian)(dian)(dian)(dian)機(ji)(ji)可以根(gen)據(ju)實際需(xu)(xu)求調(diao)節(jie)(jie)轉(zhuan)速(su)(su)和(he)功(gong)率(lv)(lv)，避免了(le)能(neng)(neng)源(yuan)的(de)(de)(de)浪(lang)費，提高(gao)(gao)了(le)能(neng)(neng)源(yuan)利用(yong)(yong)(yong)率(lv)(lv)。據(ju)統計(ji)，使(shi)用(yong)(yong)(yong)變(bian)(bian)頻(pin)(pin)電(dian)(dian)(dian)(dian)機(ji)(ji)可以節(jie)(jie)省能(neng)(neng)源(yuan)消(xiao)耗30%以上，對于企(qi)業來(lai)說(shuo)，這是(shi)一(yi)筆(bi)可觀的(de)(de)(de)節(jie)(jie)能(neng)(neng)成本。變(bian)(bian)頻(pin)(pin)電(dian)(dian)(dian)(dian)機(ji)(ji)可以實現多(duo)種(zhong)運(yun)行探索。安徽國(guo)內變(bian)(bian)頻(pin)(pin)電(dian)(dian)(dian)(dian)機(ji)(ji)型(xing)號

起動(dong)(dong)(dong)(dong)同(tong)(tong)(tong)(tong)步(bu)電(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)有兩種方法(fa)：1.異步(bu)起動(dong)(dong)(dong)(dong)法(fa)：在電(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)的(de)主(zhu)磁(ci)(ci)(ci)極(ji)極(ji)靴(xue)上安(an)裝籠(long)型起動(dong)(dong)(dong)(dong)繞(rao)(rao)(rao)(rao)(rao)組(zu)(zu)。起動(dong)(dong)(dong)(dong)時(shi)，先將(jiang)勵磁(ci)(ci)(ci)繞(rao)(rao)(rao)(rao)(rao)組(zu)(zu)通(tong)過電(dian)(dian)阻短接(jie)(jie)，然(ran)后(hou)將(jiang)定(ding)(ding)子(zi)繞(rao)(rao)(rao)(rao)(rao)組(zu)(zu)接(jie)(jie)入電(dian)(dian)網。通(tong)過起動(dong)(dong)(dong)(dong)繞(rao)(rao)(rao)(rao)(rao)組(zu)(zu)的(de)異步(bu)電(dian)(dian)磁(ci)(ci)(ci)轉(zhuan)(zhuan)矩，使(shi)電(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)加速到(dao)接(jie)(jie)近(jin)同(tong)(tong)(tong)(tong)步(bu)轉(zhuan)(zhuan)速，然(ran)后(hou)將(jiang)勵磁(ci)(ci)(ci)電(dian)(dian)流(liu)通(tong)入勵磁(ci)(ci)(ci)繞(rao)(rao)(rao)(rao)(rao)組(zu)(zu)，建立主(zhu)磁(ci)(ci)(ci)場，從而依靠(kao)同(tong)(tong)(tong)(tong)步(bu)電(dian)(dian)磁(ci)(ci)(ci)轉(zhuan)(zhuan)矩將(jiang)電(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)轉(zhuan)(zhuan)子(zi)帶入同(tong)(tong)(tong)(tong)步(bu)轉(zhuan)(zhuan)速。2.輔助電(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)起動(dong)(dong)(dong)(dong)法(fa)：通(tong)常選(xuan)擇與同(tong)(tong)(tong)(tong)步(bu)電(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)極(ji)數相同(tong)(tong)(tong)(tong)的(de)感應電(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)（容量約(yue)為主(zhu)機(ji)(ji)(ji)的(de)10～15%）作為輔助電(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)。輔助電(dian)(dian)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)拖(tuo)動(dong)(dong)(dong)(dong)主(zhu)機(ji)(ji)(ji)加速到(dao)接(jie)(jie)近(jin)同(tong)(tong)(tong)(tong)步(bu)轉(zhuan)(zhuan)速，然(ran)后(hou)將(jiang)電(dian)(dian)源切換到(dao)主(zhu)機(ji)(ji)(ji)定(ding)(ding)子(zi)，勵磁(ci)(ci)(ci)電(dian)(dian)流(liu)通(tong)入勵磁(ci)(ci)(ci)繞(rao)(rao)(rao)(rao)(rao)組(zu)(zu)，將(jiang)主(zhu)機(ji)(ji)(ji)帶入同(tong)(tong)(tong)(tong)步(bu)轉(zhuan)(zhuan)速。安(an)徽國內變頻(pin)電(dian)(dian)機(ji)(ji)(ji)型號變頻(pin)電(dian)(dian)機(ji)(ji)(ji)可以實(shi)現多種運行發展。

在(zai)此全幅電(dian)(dian)壓(ya)作(zuo)用(yong)下繞(rao)(rao)組之間(jian)(jian)會(hui)產(chan)(chan)(chan)生表面(mian)局部(bu)(bu)放(fang)電(dian)(dian)。是因(yin)為電(dian)(dian)壓(ya)的(de)(de)(de)(de)作(zuo)用(yong)會(hui)導(dao)(dao)致氣(qi)隙(xi)中(zhong)(zhong)的(de)(de)(de)(de)空氣(qi)分子電(dian)(dian)離，產(chan)(chan)(chan)生電(dian)(dian)荷。這些電(dian)(dian)荷會(hui)形成(cheng)一(yi)個(ge)與(yu)外加(jia)(jia)(jia)電(dian)(dian)場(chang)(chang)(chang)方向(xiang)相反的(de)(de)(de)(de)感(gan)應(ying)電(dian)(dian)場(chang)(chang)(chang)。當電(dian)(dian)壓(ya)的(de)(de)(de)(de)極(ji)性改變，感(gan)應(ying)電(dian)(dian)場(chang)(chang)(chang)與(yu)外加(jia)(jia)(jia)電(dian)(dian)場(chang)(chang)(chang)方向(xiang)一(yi)致，導(dao)(dao)致一(yi)個(ge)更(geng)(geng)高的(de)(de)(de)(de)電(dian)(dian)場(chang)(chang)(chang)產(chan)(chan)(chan)生。這會(hui)導(dao)(dao)致局部(bu)(bu)放(fang)電(dian)(dian)的(de)(de)(de)(de)數量增(zeng)(zeng)加(jia)(jia)(jia)，終引(yin)起(qi)擊穿(chuan)。作(zuo)用(yong)于繞(rao)(rao)組間(jian)(jian)絕(jue)緣的(de)(de)(de)(de)電(dian)(dian)沖擊大(da)小取決于導(dao)(dao)線的(de)(de)(de)(de)特定(ding)性能和PWM驅動電(dian)(dian)流(liu)的(de)(de)(de)(de)上(shang)(shang)升(sheng)時間(jian)(jian)。如果(guo)上(shang)(shang)升(sheng)時間(jian)(jian)小于微秒(miao)級，80%的(de)(de)(de)(de)電(dian)(dian)勢將加(jia)(jia)(jia)在(zai)繞(rao)(rao)組的(de)(de)(de)(de)前兩匝上(shang)(shang)。換句話說，上(shang)(shang)升(sheng)時間(jian)(jian)越短，電(dian)(dian)沖擊越大(da)，繞(rao)(rao)組間(jian)(jian)絕(jue)緣的(de)(de)(de)(de)壽命就越短。當頻(pin)率增(zeng)(zeng)加(jia)(jia)(jia)時，局部(bu)(bu)放(fang)電(dian)(dian)也(ye)會(hui)增(zeng)(zeng)加(jia)(jia)(jia)，產(chan)(chan)(chan)生熱量。這些熱量會(hui)引(yin)起(qi)更(geng)(geng)大(da)的(de)(de)(de)(de)漏電(dian)(dian)流(liu)，使繞(rao)(rao)組溫度上(shang)(shang)升(sheng)，加(jia)(jia)(jia)速絕(jue)緣老化。總之，在(zai)變頻(pin)電(dian)(dian)機(ji)中(zhong)(zhong)，局部(bu)(bu)放(fang)電(dian)(dian)、電(dian)(dian)介(jie)質加(jia)(jia)(jia)熱、空間(jian)(jian)電(dian)(dian)荷感(gan)應(ying)等因(yin)素共同(tong)作(zuo)用(yong)導(dao)(dao)致電(dian)(dian)磁線的(de)(de)(de)(de)過(guo)早(zao)損壞。

上海海光電(dian)機(ji)(ji)有(you)限(xian)公司(si)強調(diao)智(zhi)能化(hua)(hua)、自動化(hua)(hua)和(he)(he)(he)數字化(hua)(hua)，要(yao)求設(she)備(bei)(bei)能夠(gou)實(shi)(shi)現(xian)高(gao)(gao)精(jing)度(du)的(de)(de)位(wei)置(zhi)控(kong)制，以(yi)提(ti)高(gao)(gao)生產(chan)效(xiao)率和(he)(he)(he)產(chan)品質量(liang)。HSF系(xi)(xi)列(lie)(lie)(lie)電(dian)機(ji)(ji)正是(shi)為了滿(man)(man)足(zu)這(zhe)一(yi)需(xu)求而設(she)計的(de)(de)。HSF系(xi)(xi)列(lie)(lie)(lie)電(dian)機(ji)(ji)的(de)(de)功率范圍從0.2kW到4kW，能夠(gou)滿(man)(man)足(zu)不同設(she)備(bei)(bei)的(de)(de)需(xu)求。無(wu)論是(shi)小型設(she)備(bei)(bei)還是(shi)大型設(she)備(bei)(bei)，都可(ke)(ke)以(yi)選擇(ze)適合的(de)(de)功率的(de)(de)電(dian)機(ji)(ji)。同時，HSF系(xi)(xi)列(lie)(lie)(lie)電(dian)機(ji)(ji)的(de)(de)體(ti)積小，慣量(liang)小，可(ke)(ke)以(yi)節省設(she)備(bei)(bei)的(de)(de)空間，并(bing)且減(jian)少(shao)設(she)備(bei)(bei)的(de)(de)負載，提(ti)高(gao)(gao)設(she)備(bei)(bei)的(de)(de)運(yun)行效(xiao)率。HSF系(xi)(xi)列(lie)(lie)(lie)電(dian)機(ji)(ji)的(de)(de)應(ying)用(yong)范圍非(fei)常。在車床、銑床、加(jia)工中(zhong)心等(deng)機(ji)(ji)械(xie)加(jia)工設(she)備(bei)(bei)中(zhong)，HSF系(xi)(xi)列(lie)(lie)(lie)電(dian)機(ji)(ji)可(ke)(ke)以(yi)實(shi)(shi)現(xian)高(gao)(gao)精(jing)度(du)的(de)(de)位(wei)置(zhi)控(kong)制，提(ti)高(gao)(gao)加(jia)工精(jing)度(du)和(he)(he)(he)加(jia)工效(xiao)率。在機(ji)(ji)器人領域，HSF系(xi)(xi)列(lie)(lie)(lie)電(dian)機(ji)(ji)可(ke)(ke)以(yi)實(shi)(shi)現(xian)機(ji)(ji)器人的(de)(de)精(jing)確定位(wei)和(he)(he)(he)運(yun)動控(kong)制，提(ti)高(gao)(gao)機(ji)(ji)器人的(de)(de)工作效(xiao)率和(he)(he)(he)靈活性。變(bian)頻電(dian)機(ji)(ji)可(ke)(ke)以(yi)實(shi)(shi)現(xian)精(jing)確的(de)(de)轉速調(diao)節，適用(yong)于各種工業應(ying)用(yong)。

在(zai)變(bian)頻(pin)(pin)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)中(zhong)，由于(yu)PWM變(bian)頻(pin)(pin)器的(de)(de)(de)(de)輸出(chu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)波形的(de)(de)(de)(de)特(te)(te)性(xing)(xing)，會導(dao)(dao)致(zhi)繞(rao)組(zu)匝(za)(za)(za)間(jian)(jian)(jian)(jian)產生(sheng)(sheng)局部(bu)(bu)(bu)放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)。這(zhe)(zhe)是因為在(zai)每一個(ge)(ge)基(ji)本頻(pin)(pin)率(lv)開始時，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)的(de)(de)(de)(de)脈沖極性(xing)(xing)會發生(sheng)(sheng)變(bian)化，導(dao)(dao)致(zhi)繞(rao)組(zu)承受一個(ge)(ge)二倍于(yu)尖(jian)峰(feng)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)值的(de)(de)(de)(de)全幅電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)。同時，在(zai)一個(ge)(ge)散嵌繞(rao)組(zu)的(de)(de)(de)(de)三相電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)中(zhong)，不同相的(de)(de)(de)(de)相鄰二匝(za)(za)(za)之間(jian)(jian)(jian)(jian)的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)極性(xing)(xing)可(ke)能會不同，全幅電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)的(de)(de)(de)(de)躍變(bian)也有可(ke)能達到二倍于(yu)一個(ge)(ge)尖(jian)峰(feng)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)值。根據測試結(jie)果，在(zai)380/480V交流(liu)(liu)系統中(zhong)，測得的(de)(de)(de)(de)尖(jian)峰(feng)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)值為～～。這(zhe)(zhe)個(ge)(ge)全幅電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)的(de)(de)(de)(de)作(zuo)用下，繞(rao)組(zu)匝(za)(za)(za)間(jian)(jian)(jian)(jian)會產生(sheng)(sheng)局部(bu)(bu)(bu)放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)。由于(yu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)離作(zuo)用，氣(qi)隙中(zhong)會產生(sheng)(sheng)空(kong)間(jian)(jian)(jian)(jian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)荷(he)(he)，形成(cheng)一個(ge)(ge)與外加(jia)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)場(chang)反向的(de)(de)(de)(de)感應(ying)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)場(chang)。當電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)極性(xing)(xing)改變(bian)時，這(zhe)(zhe)個(ge)(ge)反向電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)場(chang)與外加(jia)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)場(chang)方向一致(zhi)，導(dao)(dao)致(zhi)更高的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)場(chang)產生(sheng)(sheng)，增(zeng)(zeng)加(jia)局部(bu)(bu)(bu)放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)(de)數(shu)量，終可(ke)能引起擊穿。測試還表明(ming)，作(zuo)用于(yu)繞(rao)組(zu)匝(za)(za)(za)間(jian)(jian)(jian)(jian)絕(jue)緣(yuan)的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)沖擊大小(xiao)取決(jue)于(yu)導(dao)(dao)線特(te)(te)定的(de)(de)(de)(de)性(xing)(xing)能和PWM驅動電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)的(de)(de)(de)(de)上升時間(jian)(jian)(jian)(jian)。如果上升時間(jian)(jian)(jian)(jian)小(xiao)于(yu)μs，80%的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)勢會加(jia)在(zai)繞(rao)組(zu)的(de)(de)(de)(de)前兩匝(za)(za)(za)上，即上升時間(jian)(jian)(jian)(jian)越短，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)沖擊越大，匝(za)(za)(za)間(jian)(jian)(jian)(jian)絕(jue)緣(yuan)的(de)(de)(de)(de)壽命就(jiu)越短。當頻(pin)(pin)率(lv)增(zeng)(zeng)加(jia)時，局部(bu)(bu)(bu)放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)會增(zeng)(zeng)加(jia)，產生(sheng)(sheng)熱量，進而引起更大的(de)(de)(de)(de)漏電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)，使絕(jue)緣(yuan)老化加(jia)速(su)。因此，在(zai)變(bian)頻(pin)(pin)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)中(zhong)，局部(bu)(bu)(bu)放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)介(jie)質加(jia)熱、空(kong)間(jian)(jian)(jian)(jian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)荷(he)(he)感應(ying)等(deng)因素(su)共同作(zuo)用，導(dao)(dao)致(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)線的(de)(de)(de)(de)過(guo)早損壞。變(bian)頻(pin)(pin)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)具(ju)有較(jiao)好的(de)(de)(de)(de)節約空(kong)間(jian)(jian)(jian)(jian)的(de)(de)(de)(de)特(te)(te)點，能夠減(jian)少設備占地面積。福(fu)建常規變(bian)頻(pin)(pin)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)機(ji)(ji)型號

變(bian)頻(pin)電(dian)機可以實現高精度的位置控制和(he)定(ding)位。安(an)徽國內變(bian)頻(pin)電(dian)機型(xing)號(hao)

上海海光(guang)電(dian)(dian)(dian)機有(you)限(xian)公司變(bian)(bian)頻(pin)(pin)電(dian)(dian)(dian)機的(de)(de)(de)主要作用(yong)是實現調(diao)速(su)(su)。通過改變(bian)(bian)電(dian)(dian)(dian)機運(yun)行的(de)(de)(de)頻(pin)(pin)率和電(dian)(dian)(dian)壓，可以(yi)調(diao)整電(dian)(dian)(dian)機的(de)(de)(de)轉速(su)(su)，從而滿足不(bu)同負載下的(de)(de)(de)工作需(xu)求(qiu)。傳統的(de)(de)(de)固(gu)定頻(pin)(pin)率電(dian)(dian)(dian)機只能以(yi)一個固(gu)定的(de)(de)(de)轉速(su)(su)運(yun)轉，無法適應不(bu)同負載下的(de)(de)(de)運(yun)行需(xu)求(qiu)。而變(bian)(bian)頻(pin)(pin)電(dian)(dian)(dian)機可以(yi)根據實際需(xu)要調(diao)整轉速(su)(su)，提供(gong)更為(wei)靈活(huo)、高(gao)(gao)效的(de)(de)(de)解決(jue)方(fang)案。在實際生產中，變(bian)(bian)頻(pin)(pin)電(dian)(dian)(dian)機廣泛(fan)應用(yong)于風機、水泵、壓縮機等(deng)設(she)備，可以(yi)根據負載的(de)(de)(de)變(bian)(bian)化自(zi)動調(diao)整轉速(su)(su)，提高(gao)(gao)能效，降低能耗。同時(shi)，變(bian)(bian)頻(pin)(pin)電(dian)(dian)(dian)機還具有(you)啟動平穩(wen)、運(yun)行穩(wen)定、噪(zao)音低等(deng)優點，能夠提高(gao)(gao)設(she)備的(de)(de)(de)可靠性和使(shi)用(yong)壽命。安徽國內(nei)變(bian)(bian)頻(pin)(pin)電(dian)(dian)(dian)機型號

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