在目前的(de)(de)智能開(kai)關電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)中，都有(you)機(ji)內微處理(li)(li)器(qi)(qi)(qi)(qi)或DSP，作(zuo)機(ji)內監(jian)控和(he)通訊之用。微處理(li)(li)芯片對(dui)供電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)要(yao)求很高(gao)(gao)，要(yao)求幅值相當(dang)穩(wen)定(ding)，更(geng)不(bu)(bu)能帶有(you)較大尖(jian)峰毛(mao)刺，造成(cheng)電(dian)(dian)(dian)(dian)磁干擾(rao)，而(er)且要(yao)求輔(fu)助(zhu)電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)的(de)(de)交(jiao)流(liu)適應(ying)能力比整流(liu)器(qi)(qi)(qi)(qi)正常(chang)工作(zuo)的(de)(de)范圍更(geng)廣。當(dang)整流(liu)器(qi)(qi)(qi)(qi)接上交(jiao)流(liu)輸(shu)入(ru)電(dian)(dian)(dian)(dian)時，必須(xu)是監(jian)控部分先正常(chang)工作(zuo)，進行自檢和(he)各種狀況的(de)(de)檢測，以確定(ding)整流(liu)器(qi)(qi)(qi)(qi)能否開(kai)機(ji)；如遇極高(gao)(gao)或極低(di)交(jiao)流(liu)電(dian)(dian)(dian)(dian)壓(ya)，整流(liu)器(qi)(qi)(qi)(qi)雖已停止工作(zuo)，但監(jian)控部分仍要(yao)正常(chang)工作(zuo)，保持正常(chang)的(de)(de)監(jian)控和(he)通訊。某些電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)產品運行過程中曾出現(xian)無故復位等現(xian)象，在進行大功率開(kai)關電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)的(de)(de)輔(fu)助(zhu)電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)設計的(de)(de)時候，對(dui)其(qi)進行分析，發現(xian)其(qi)輔(fu)助(zhu)電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)在不(bu)(bu)同(tong)交(jiao)流(liu)輸(shu)入(ru)電(dian)(dian)(dian)(dian)壓(ya)、不(bu)(bu)同(tong)負載條件下存在比較多的(de)(de)問題：交(jiao)流(liu)適應(ying)范圍窄，負載能力低(di)，工作(zuo)波形不(bu)(bu)穩(wen)且極不(bu)(bu)對(dui)稱，出現(xian)偏磁，電(dian)(dian)(dian)(dian)磁干擾(rao)極嚴重(zhong)等。一般開(kai)關整流(liu)器(qi)(qi)(qi)(qi)輔(fu)助(zhu)電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)的(de)(de)工作(zuo)原理(li)(li)是：輸(shu)入(ru)交(jiao)流(liu)電(dian)(dian)(dian)(dian)經整流(liu)成(cheng)為高(gao)(gao)壓(ya)直流(liu)電(dian)(dian)(dian)(dian)，然(ran)后經變換(huan)電(dian)(dian)(dian)(dian)路(lu)(lu)成(cheng)為低(di)壓(ya)高(gao)(gao)頻(pin)方波，再(zai)經由(you)整流(liu)濾(lv)波電(dian)(dian)(dian)(dian)路(lu)(lu)成(cheng)為系統(tong)所(suo)需的(de)(de)平穩(wen)低(di)壓(ya)直流(liu)電(dian)(dian)(dian)(dian)，一般由(you)三端穩(wen)壓(ya)器(qi)(qi)(qi)(qi)穩(wen)壓(ya)，由(you)一路(lu)(lu)直流(liu)輸(shu)出提供高(gao)(gao)頻(pin)變換(huan)驅動脈(mo)沖控制(zhi)環的(de)(de)電(dian)(dian)(dian)(dian)壓(ya)反(fan)饋信(xin)號.由(you)功率變換(huan)的(de)(de)主回(hui)路(lu)(lu)上串電(dian)(dian)(dian)(dian)阻采樣作(zuo)為電(dian)(dian)(dian)(dian)流(liu)反(fan)饋信(xin)號，功率變換(huan)管的(de)(de)驅動脈(mo)沖由(you)UC3844等控制(zhi)芯片及其(qi)外邊周(zhou)圍電(dian)(dian)(dian)(dian)路(lu)(lu)產生。浙江東華(hua)電(dian)(dian)(dian)(dian)器(qi)(qi)(qi)(qi)股份有(you)限公司開(kai)關電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)定(ding)制(zhi)服務(wu)值得用戶放(fang)心(xin)。NET開(kai)關電(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)規格

使用開(kai)關電(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)之(zhi)注意事項1）使用電(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)前(qian)，先(xian)確定(ding)輸(shu)入輸(shu)出(chu)(chu)(chu)電(dian)(dian)(dian)壓規格(ge)與(yu)(yu)所(suo)用電(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)的(de)標稱值(zhi)是(shi)否(fou)相(xiang)符；2）通(tong)電(dian)(dian)(dian)之(zhi)前(qian)，檢(jian)查(cha)(cha)輸(shu)入輸(shu)出(chu)(chu)(chu)的(de)引線是(shi)否(fou)連接正確，以(yi)免損壞用戶設備；3）檢(jian)查(cha)(cha)安(an)裝是(shi)否(fou)牢固，安(an)裝螺絲與(yu)(yu)電(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)板器(qi)件有無接觸(chu)，測量外(wai)殼與(yu)(yu)輸(shu)入、輸(shu)出(chu)(chu)(chu)的(de)絕(jue)緣電(dian)(dian)(dian)阻，以(yi)免觸(chu)電(dian)(dian)(dian)；4）為保證使用的(de)安(an)全性和減(jian)少(shao)干擾，請(qing)確保接地端可靠接地；5）多路(lu)輸(shu)出(chu)(chu)(chu)的(de)電(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)一(yi)般分(fen)主、輔輸(shu)出(chu)(chu)(chu)，主輸(shu)出(chu)(chu)(chu)特性優(you)于輔輸(shu)出(chu)(chu)(chu)，一(yi)般情況下輸(shu)出(chu)(chu)(chu)電(dian)(dian)(dian)流大的(de)為主輸(shu)出(chu)(chu)(chu)。為保證輸(shu)出(chu)(chu)(chu)負載(zai)(zai)調整率和輸(shu)出(chu)(chu)(chu)動態等指(zhi)標，一(yi)般要求每路(lu)至少(shao)帶10%的(de)負載(zai)(zai)。若用輔路(lu)不用主路(lu)，主路(lu)一(yi)定(ding)加適當的(de)假負載(zai)(zai)。具(ju)體參見(jian)相(xiang)應型號的(de)規格(ge)書；6）請(qing)注意:電(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)頻繁開(kai)關將會(hui)影響(xiang)(xiang)其(qi)(qi)壽命；7）工作環境及帶載(zai)(zai)程度也(ye)會(hui)影響(xiang)(xiang)其(qi)(qi)壽命。600W電(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)定(ding)制開(kai)關電(dian)(dian)(dian)源(yuan)(yuan)(yuan)(yuan)定(ding)制服務，就選(xuan)浙(zhe)江東華(hua)電(dian)(dian)(dian)器(qi)股份有限公司，用戶的(de)信(xin)賴之(zhi)選(xuan)，有想法可以(yi)來我司咨詢！

四(si)、智能(neng)功(gong)率(lv)模(mo)塊(kuai)開(kai)始走熱智能(neng)功(gong)率(lv)模(mo)塊(kuai)（IPMIntelligentPowerModule）不僅把(ba)功(gong)率(lv)開(kai)關(guan)器(qi)件和驅(qu)動(dong)(dong)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)集成(cheng)在一起。而且(qie)還內(nei)藏(zang)有過(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)壓，過(guo)(guo)電(dian)(dian)(dian)(dian)(dian)(dian)流和過(guo)(guo)熱等故障(zhang)檢測(ce)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)，并可(ke)將檢測(ce)信號送到(dao)(dao)CPU.它由高速(su)低功(gong)耗的(de)(de)管芯(xin)和優化的(de)(de)門(men)極(ji)驅(qu)動(dong)(dong)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)以及(ji)快速(su)保護電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)構(gou)成(cheng)。即使發生負載事故或使用不當，也可(ke)以保證IPM自(zi)身不受損壞。IPM一般使用IGBT作(zuo)為(wei)功(gong)率(lv)開(kai)關(guan)元(yuan)件，內(nei)藏(zang)電(dian)(dian)(dian)(dian)(dian)(dian)流傳感器(qi)及(ji)驅(qu)動(dong)(dong)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)的(de)(de)集成(cheng)結構(gou)。IPM以其高可(ke)靠性，使用方(fang)(fang)便贏得越來(lai)越大的(de)(de)市(shi)場(chang)(chang)，尤其適(shi)合于驅(qu)動(dong)(dong)電(dian)(dian)(dian)(dian)(dian)(dian)機的(de)(de)變(bian)頻器(qi)和各種(zhong)逆(ni)變(bian)電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)，是變(bian)頻調速(su)，冶金(jin)機械，電(dian)(dian)(dian)(dian)(dian)(dian)力牽引，伺服驅(qu)動(dong)(dong)，變(bian)頻家(jia)電(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)一種(zhong)非常理想的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)(dian)子器(qi)件。統計數據(ju)顯(xian)示從2004年(nian)至2010年(nian)每年(nian)全球開(kai)關(guan)電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)市(shi)場(chang)(chang)銷售額平均保持了15左右的(de)(de)幅度增長(chang)(chang)，據(ju)預測(ce)，2015年(nian)中國電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)產業產值將達(da)到(dao)(dao)2156億元(yuan)，開(kai)關(guan)電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)產值將達(da)到(dao)(dao)1875億元(yuan)。2011-2015年(nian)年(nian)均復合增長(chang)(chang)13.39！開(kai)源(yuan)電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)市(shi)場(chang)(chang)雖然前景(jing)誘人，但目前市(shi)場(chang)(chang)主要為(wei)國際品牌掌握，本土品牌需要在產品細節設計、質量控制、可(ke)靠性方(fang)(fang)面繼續加(jia)強(qiang)，方(fang)(fang)能(neng)掘金(jin)這個大市(shi)場(chang)(chang)。

開(kai)關(guan)(guan)電(dian)(dian)源維修步(bu)驟(zou)35、當(dang)濾波(bo)電(dian)(dian)容(rong)上(shang)無380VDC左右電(dian)(dian)壓(ya)(ya)時(shi)，說明PFC電(dian)(dian)路(lu)(lu)沒有(you)正(zheng)常工(gong)作(zuo)，PFC模塊關(guan)(guan)鍵(jian)檢(jian)測(ce)腳(jiao)為(wei)電(dian)(dian)源輸入腳(jiao)VC，啟動(dong)腳(jiao)Vstart/control，CT和(he)RT腳(jiao)及(ji)(ji)V0腳(jiao)。修理一(yi)(yi)臺富士3000相(xiang)機時(shi)，測(ce)試(shi)一(yi)(yi)板(ban)上(shang)濾波(bo)電(dian)(dian)容(rong)上(shang)無380VDC電(dian)(dian)壓(ya)(ya)。VC，Vstart/control,CT和(he)RT波(bo)形以(yi)及(ji)(ji)V0波(bo)形均正(zheng)常，測(ce)量(liang)場效(xiao)應功率開(kai)關(guan)(guan)管G極無V0 波(bo)形，由于FA5331（PFC）為(wei)貼片元件，機器(qi)用(yong)久后出(chu)現V0端(duan)與板(ban)之間(jian)虛(xu)焊(han)(han)，V0信號沒有(you)送到(dao)場效(xiao)應管G極。將(jiang)V0端(duan)與板(ban)上(shang)焊(han)(han)點焊(han)(han)好，用(yong)萬(wan)用(yong)表測(ce)量(liang)濾波(bo)電(dian)(dian)容(rong)有(you)380VDC電(dian)(dian)壓(ya)(ya)。當(dang)Vstart/control 端(duan)為(wei)低電(dian)(dian)平(ping)時(shi)，PFC亦不能工(gong)作(zuo)，則要檢(jian)測(ce)其端(duan)點與外邊周(zhou)圍相(xiang)連的(de)(de)有(you)關(guan)(guan)電(dian)(dian)路(lu)(lu)。總(zong)之，開(kai)關(guan)(guan)電(dian)(dian)源電(dian)(dian)路(lu)(lu)有(you)易有(you)難，功率有(you)大有(you)小(xiao)，輸出(chu)電(dian)(dian)壓(ya)(ya)多種(zhong)多樣。只要抓(zhua)住其關(guan)(guan)鍵(jian)的(de)(de)東西，即(ji)充分熟悉開(kai)關(guan)(guan)電(dian)(dian)源的(de)(de)基(ji)本(ben)結構(gou)以(yi)及(ji)(ji)PFC及(ji)(ji)PWM模塊的(de)(de)特性(xing)，它們工(gong)作(zuo)的(de)(de)基(ji)本(ben)條件，按照上(shang)述(shu)步(bu)驟(zou)和(he)方(fang)法，多動(dong)手進行開(kai)關(guan)(guan)電(dian)(dian)源的(de)(de)維修，就能迅速地(di)排除(chu)開(kai)關(guan)(guan)電(dian)(dian)源故(gu)障(zhang)，達到(dao)事半功倍的(de)(de)效(xiao)果。浙(zhe)江東華電(dian)(dian)器(qi)股(gu)份(fen)有(you)限公(gong)司致(zhi)力于提供開(kai)關(guan)(guan)電(dian)(dian)源定制服務，竭誠為(wei)您(nin)。

開(kai)(kai)(kai)(kai)(kai)關(guan)電(dian)(dian)源(yuan)(yuan)(yuan)(yuan)中應(ying)用的(de)(de)(de)電(dian)(dian)力電(dian)(dian)子器(qi)(qi)(qi)(qi)件(jian)(jian)主要(yao)為(wei)二(er)極管、IGBT和(he)MOSFET、變壓器(qi)(qi)(qi)(qi)。SCR在(zai)開(kai)(kai)(kai)(kai)(kai)關(guan)電(dian)(dian)源(yuan)(yuan)(yuan)(yuan)輸入整(zheng)流電(dian)(dian)路(lu)(lu)及軟(ruan)(ruan)啟動電(dian)(dian)路(lu)(lu)中有(you)少量應(ying)用，GTR驅動困難(nan)，開(kai)(kai)(kai)(kai)(kai)關(guan)頻率(lv)低，逐漸被(bei)IGBT和(he)MOSFET取代。開(kai)(kai)(kai)(kai)(kai)關(guan)電(dian)(dian)源(yuan)(yuan)(yuan)(yuan)的(de)(de)(de)發展(zhan)方向是高(gao)(gao)(gao)(gao)頻、高(gao)(gao)(gao)(gao)可靠、低耗(hao)、低噪聲(sheng)、抗(kang)干擾和(he)模(mo)塊化(hua)(hua)。由于開(kai)(kai)(kai)(kai)(kai)關(guan)電(dian)(dian)源(yuan)(yuan)(yuan)(yuan)輕、小、薄的(de)(de)(de)關(guan)鍵技(ji)(ji)術是高(gao)(gao)(gao)(gao)頻化(hua)(hua)，因(yin)此國外各大(da)開(kai)(kai)(kai)(kai)(kai)關(guan)電(dian)(dian)源(yuan)(yuan)(yuan)(yuan)制造商都致(zhi)力于同步開(kai)(kai)(kai)(kai)(kai)發新(xin)型高(gao)(gao)(gao)(gao)智能(neng)化(hua)(hua)的(de)(de)(de)元器(qi)(qi)(qi)(qi)件(jian)(jian)，特(te)別是改善二(er)次整(zheng)流器(qi)(qi)(qi)(qi)件(jian)(jian)的(de)(de)(de)損耗(hao)，并在(zai)功率(lv)鐵氧體材料上加大(da)科技(ji)(ji)創(chuang)新(xin)，以(yi)提高(gao)(gao)(gao)(gao)在(zai)高(gao)(gao)(gao)(gao)頻率(lv)和(he)較(jiao)大(da)磁通(tong)密(mi)度（Bs)下獲得(de)高(gao)(gao)(gao)(gao)的(de)(de)(de)磁性(xing)能(neng)，而(er)電(dian)(dian)容器(qi)(qi)(qi)(qi)的(de)(de)(de)小型化(hua)(hua)也是一項關(guan)鍵技(ji)(ji)術。SMT技(ji)(ji)術的(de)(de)(de)應(ying)用使得(de)開(kai)(kai)(kai)(kai)(kai)關(guan)電(dian)(dian)源(yuan)(yuan)(yuan)(yuan)取得(de)了長足的(de)(de)(de)進(jin)展(zhan)，在(zai)電(dian)(dian)路(lu)(lu)板兩面布(bu)置(zhi)元器(qi)(qi)(qi)(qi)件(jian)(jian)，以(yi)確(que)保開(kai)(kai)(kai)(kai)(kai)關(guan)電(dian)(dian)源(yuan)(yuan)(yuan)(yuan)的(de)(de)(de)輕、小、薄。開(kai)(kai)(kai)(kai)(kai)關(guan)電(dian)(dian)源(yuan)(yuan)(yuan)(yuan)的(de)(de)(de)高(gao)(gao)(gao)(gao)頻化(hua)(hua)就必(bi)然對傳統的(de)(de)(de)PWM開(kai)(kai)(kai)(kai)(kai)關(guan)技(ji)(ji)術進(jin)行創(chuang)新(xin)，實(shi)現ZVS、ZCS的(de)(de)(de)軟(ruan)(ruan)開(kai)(kai)(kai)(kai)(kai)關(guan)技(ji)(ji)術已(yi)成為(wei)開(kai)(kai)(kai)(kai)(kai)關(guan)電(dian)(dian)源(yuan)(yuan)(yuan)(yuan)的(de)(de)(de)主流技(ji)(ji)術，并大(da)幅提高(gao)(gao)(gao)(gao)了開(kai)(kai)(kai)(kai)(kai)關(guan)電(dian)(dian)源(yuan)(yuan)(yuan)(yuan)的(de)(de)(de)工作效率(lv)。對于高(gao)(gao)(gao)(gao)可靠性(xing)指標，美國的(de)(de)(de)開(kai)(kai)(kai)(kai)(kai)關(guan)電(dian)(dian)源(yuan)(yuan)(yuan)(yuan)生產(chan)商通(tong)過降低運行電(dian)(dian)流，降低結溫等措施以(yi)減少器(qi)(qi)(qi)(qi)件(jian)(jian)的(de)(de)(de)應(ying)力，使得(de)產(chan)品的(de)(de)(de)可靠性(xing)較(jiao)大(da)提高(gao)(gao)(gao)(gao)。開(kai)(kai)(kai)(kai)(kai)關(guan)電(dian)(dian)源(yuan)(yuan)(yuan)(yuan)定制服務，就選浙江(jiang)東華電(dian)(dian)器(qi)(qi)(qi)(qi)股份有(you)限公司(si)，用戶(hu)的(de)(de)(de)信賴之選，有(you)需求(qiu)可以(yi)來電(dian)(dian)咨(zi)詢！NESBK代理

浙江東華電(dian)器股(gu)份有限公(gong)司致(zhi)力(li)于提(ti)供(gong)開(kai)關(guan)電(dian)源定制服務，有想法的(de)可以來(lai)電(dian)咨詢(xun)！NET開(kai)關(guan)電(dian)源規格

推動開(kai)關(guan)(guan)管(guan)或可控硅的(de)(de)(de)(de)(de)脈沖如(ru)何獲得呢(ni)(ni)，這(zhe)(zhe)就(jiu)(jiu)需(xu)要有個振(zhen)(zhen)蕩(dang)(dang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)路產生，晶體三極(ji)管(guan)有個特性，就(jiu)(jiu)是(shi)(shi)(shi)基(ji)極(ji)對發射極(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)是(shi)(shi)(shi)0.65-0.7V是(shi)(shi)(shi)放大(da)狀(zhuang)態，0.7V以(yi)上(shang)就(jiu)(jiu)是(shi)(shi)(shi)飽(bao)和(he)導通狀(zhuang)態， -0.1V- -0.3V就(jiu)(jiu)工作(zuo)(zuo)(zuo)在振(zhen)(zhen)蕩(dang)(dang)狀(zhuang)態，那么(me)其工作(zuo)(zuo)(zuo)點調(diao)好后，就(jiu)(jiu)靠較深(shen)的(de)(de)(de)(de)(de)負反(fan)饋來(lai)(lai)產生負壓(ya)(ya)(ya)(ya)，使振(zhen)(zhen)蕩(dang)(dang)管(guan)起振(zhen)(zhen)，振(zhen)(zhen)蕩(dang)(dang)管(guan)的(de)(de)(de)(de)(de)頻(pin)率(lv)(lv)由基(ji)極(ji)上(shang)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)充放電(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)(de)(de)時間長短來(lai)(lai)決定，振(zhen)(zhen)蕩(dang)(dang)頻(pin)率(lv)(lv)高(gao)(gao)輸(shu)出脈沖幅度就(jiu)(jiu)大(da)，反(fan)之就(jiu)(jiu)小(xiao)，這(zhe)(zhe)就(jiu)(jiu)決定了(le)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)調(diao)整管(guan)的(de)(de)(de)(de)(de)輸(shu)出電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)的(de)(de)(de)(de)(de)大(da)小(xiao)。那么(me)變(bian)壓(ya)(ya)(ya)(ya)器(qi)次(ci)級(ji)(ji)輸(shu)出的(de)(de)(de)(de)(de)工作(zuo)(zuo)(zuo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)如(ru)何穩(wen)壓(ya)(ya)(ya)(ya)呢(ni)(ni)，一(yi)般是(shi)(shi)(shi)在開(kai)關(guan)(guan)變(bian)壓(ya)(ya)(ya)(ya)器(qi)上(shang)，單繞一(yi)組線圈(quan)，在其上(shang)端獲得的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)經(jing)過(guo)整流濾波后，作(zuo)(zuo)(zuo)為(wei)基(ji)準(zhun)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)，然后通過(guo)光電(dian)(dian)(dian)(dian)(dian)(dian)(dian)耦合器(qi)，將這(zhe)(zhe)個基(ji)準(zhun)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)返(fan)回振(zhen)(zhen)蕩(dang)(dang)管(guan)的(de)(de)(de)(de)(de)基(ji)極(ji)，來(lai)(lai)調(diao)整震(zhen)蕩(dang)(dang)頻(pin)率(lv)(lv)的(de)(de)(de)(de)(de)高(gao)(gao)低，如(ru)果(guo)變(bian)壓(ya)(ya)(ya)(ya)器(qi)次(ci)級(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)升(sheng)(sheng)高(gao)(gao)，本取樣線圈(quan)輸(shu)出的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)也(ye)升(sheng)(sheng)高(gao)(gao)，通過(guo)光電(dian)(dian)(dian)(dian)(dian)(dian)(dian)耦合器(qi)獲得的(de)(de)(de)(de)(de)正反(fan)饋電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)也(ye)升(sheng)(sheng)高(gao)(gao)，這(zhe)(zhe)個電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)加到(dao)(dao)振(zhen)(zhen)蕩(dang)(dang)管(guan)基(ji)極(ji)上(shang)，就(jiu)(jiu)使振(zhen)(zhen)蕩(dang)(dang)頻(pin)率(lv)(lv)降(jiang)低，起到(dao)(dao)了(le)穩(wen)定次(ci)級(ji)(ji)輸(shu)出電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)的(de)(de)(de)(de)(de)穩(wen)定，太(tai)細(xi)的(de)(de)(de)(de)(de)工作(zuo)(zuo)(zuo)情(qing)況就(jiu)(jiu)不必細(xi)講了(le)，也(ye)沒必要了(le)解的(de)(de)(de)(de)(de)那么(me)細(xi)的(de)(de)(de)(de)(de)，這(zhe)(zhe)樣大(da)功(gong)率(lv)(lv)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)由開(kai)關(guan)(guan)變(bian)壓(ya)(ya)(ya)(ya)器(qi)傳(chuan)遞(di)，并與后級(ji)(ji)隔開(kai)，返(fan)回的(de)(de)(de)(de)(de)取樣電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)由光耦傳(chuan)遞(di)也(ye)與后級(ji)(ji)隔開(kai)，所以(yi)前級(ji)(ji)的(de)(de)(de)(de)(de)市電(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)，是(shi)(shi)(shi)與后級(ji)(ji)分離的(de)(de)(de)(de)(de)，這(zhe)(zhe)就(jiu)(jiu)叫冷板，是(shi)(shi)(shi)安(an)全的(de)(de)(de)(de)(de)，變(bian)壓(ya)(ya)(ya)(ya)器(qi)前的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)是(shi)(shi)(shi)單獨(du)的(de)(de)(de)(de)(de)，這(zhe)(zhe)就(jiu)(jiu)叫開(kai)關(guan)(guan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)。NET開(kai)關(guan)(guan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)規格

浙江東華(hua)電(dian)器(qi)股(gu)(gu)份有(you)限公司在隔離開(kai)(kai)關(guan)，刀開(kai)(kai)關(guan)，互感器(qi)，開(kai)(kai)關(guan)電(dian)源一直在同(tong)行業(ye)中處(chu)于較強地位，無論是產品(pin)還是服(fu)(fu)務，其(qi)高水(shui)平(ping)的(de)能力始終(zhong)貫穿(chuan)于其(qi)中。東華(hua)股(gu)(gu)份是我國(guo)電(dian)工電(dian)氣技(ji)(ji)術的(de)研(yan)究和標準制定的(de)重要參(can)與(yu)者和貢獻者。東華(hua)股(gu)(gu)份以隔離開(kai)(kai)關(guan)，刀開(kai)(kai)關(guan)，互感器(qi)，開(kai)(kai)關(guan)電(dian)源為(wei)主業(ye)，服(fu)(fu)務于電(dian)工電(dian)氣等(deng)領域，為(wei)全國(guo)客戶提供先進隔離開(kai)(kai)關(guan)，刀開(kai)(kai)關(guan)，互感器(qi)，開(kai)(kai)關(guan)電(dian)源。東華(hua)股(gu)(gu)份將以精良的(de)技(ji)(ji)術、優異(yi)的(de)產品(pin)性(xing)能和完(wan)善的(de)售后服(fu)(fu)務，滿(man)足國(guo)內外(wai)廣大(da)客戶的(de)需求。

本(ben)文來自宜(yi)興市恒通風機有限公司：//vijoo.com.cn/Article/78d2899893.html