電磁加熱(re)器用薄(bo)膜電容的(de)要求和注(zhu)意事項：

1、耐壓選(xuan)擇(ze)不當：例如,交(jiao)流輸入端(duan),380V的(de)(de)(de)線(xian)電(dian)(dian)(dian)(dian)壓,EMI電(dian)(dian)(dian)(dian)路(lu)(lu)用的(de)(de)(de)電(dian)(dian)(dian)(dian)容器,三(san)角形(xing)接法(fa),部分工(gong)程師(shi)選(xuan)擇(ze)MKP-X2 275V.AC (這(zhe)會(hui)導致電(dian)(dian)(dian)(dian)容擊穿)。例如,LC諧振回路(lu)(lu),很多(duo)工(gong)程師(shi)以為半橋諧振電(dian)(dian)(dian)(dian)容,耐壓只是(shi)(shi)直流母線(xian)537V的(de)(de)(de)半即可(實(shi)際上(shang)這(zhe)是(shi)(shi)嚴(yan)重錯(cuo)誤的(de)(de)(de))。國(guo)內的(de)(de)(de)機芯(xin),有使用的(de)(de)(de)薄膜(mo)電(dian)(dian)(dian)(dian)容器耐壓等1200V 1600V 2000V 2500V 3000V 4000V 需要根據自(zi)己的(de)(de)(de)實(shi)際電(dian)(dian)(dian)(dian)路(lu)(lu)來選(xuan)擇(ze)。正(zheng)確的(de)(de)(de)方式(shi)是(shi)(shi)用示波(bo)器加(jia)高壓探頭,實(shi)際測量下機芯(xin)在大功率的(de)(de)(de)時候,諧振電(dian)(dian)(dian)(dian)壓的(de)(de)(de)波(bo)形(xing)。

2、電(dian)(dian)流(liu)(liu)(liu)選(xuan)擇不當：很多(duo)企業的(de)(de)(de)工程師,研發人員,對于(yu)直流(liu)(liu)(liu)母線支撐電(dian)(dian)容(rong)器(qi),LC諧振電(dian)(dian)容(rong)器(qi),電(dian)(dian)容(rong)器(qi)的(de)(de)(de)電(dian)(dian)流(liu)(liu)(liu)方(fang)面根本就沒經過(guo)(guo)具體計算和實(shi)際(ji)測(ce)量(liang),造成電(dian)(dian)容(rong)器(qi)工作溫度(du)非常高,大(da)(da)大(da)(da)縮短薄膜電(dian)(dian)容(rong)器(qi)的(de)(de)(de)使用(yong)壽命,嚴(yan)重(zhong)的(de)(de)(de)出(chu)現短時間就炸(zha)掉(diao)電(dian)(dian)容(rong)器(qi)了。正確的(de)(de)(de)方(fang)式,就是用(yong)電(dian)(dian)流(liu)(liu)(liu)互感器(qi)測(ce)量(liang)下諧振回路的(de)(de)(de)電(dian)(dian)流(liu)(liu)(liu)值,還有通過(guo)(guo)機子在老化的(de)(de)(de)時候測(ce)測(ce)電(dian)(dian)容(rong)器(qi)的(de)(de)(de)溫升是否正常。

3、接(jie)線方(fang)式不(bu)當：在(zai)設計電(dian)磁(ci)加熱機芯的時候,很(hen)多情(qing)況(kuang)下需要多個薄膜電(dian)容(rong)器并(bing)(bing)聯使用.并(bing)(bing)聯的好(hao)處就是可以增加過流能(neng)力,降(jiang)低溫升.但是并(bing)(bing)聯電(dian)路(lu),大的問題是過流不(bu)均(jun).由于(yu)接(jie)線方(fang)式的不(bu)當,往(wang)往(wang)造(zao)成并(bing)(bing)聯的幾(ji)只電(dian)容(rong)器,某個位置的電(dian)容(rong)器溫度高,容(rong)易先壞(huai)掉(diao)。

電磁加熱控制器怎么安裝？

1、改造(zao)前(qian)先取下(xia)原設(she)備(bei)上面的電熱圈。

2、清潔料(liao)筒并測量(liang)料(liao)筒各種參數。將料(liao)筒清潔干凈并用(yong)(yong)工具測量(liang)料(liao)筒各種尺(chi)寸（管徑、長度(du)、加熱區(qu)(qu)數、每區(qu)(qu)加熱長度(du)、原功率大小，以(yi)便確定(ding)用(yong)(yong)哪種控制板(ban)）。

3、在(zai)料(liao)(liao)筒上包層(ceng)隔(ge)熱保溫(wen)材料(liao)(liao)，按照步驟2將料(liao)(liao)筒清潔干凈后，在(zai)料(liao)(liao)筒上包上層(ceng)隔(ge)熱保溫(wen)材料(liao)(liao)（石棉或者玻璃纖(xian)維(wei)均可），可以先做(zuo)(zuo)區(qu)，區(qu)做(zuo)(zuo)好后，再做(zuo)(zuo)其它區(qu)，熟練(lian)且(qie)經驗豐富者可幾(ji)個加熱區(qu)起做(zuo)(zuo) 。

4、用高溫(wen)(wen)(wen)(wen)(wen)布(bu)將(jiang)保(bao)(bao)溫(wen)(wen)(wen)(wen)(wen)材料包好，保(bao)(bao)溫(wen)(wen)(wen)(wen)(wen)材料的(de)厚(hou)度(du)根據使用的(de)不同的(de)電磁加熱控(kong)制器的(de)要(yao)求來(lai)配，保(bao)(bao)溫(wen)(wen)(wen)(wen)(wen)材料包好后，再用高溫(wen)(wen)(wen)(wen)(wen)布(bu)（纖維布(bu)）或者(zhe)電木板（環氧樹脂板）將(jiang)保(bao)(bao)溫(wen)(wen)(wen)(wen)(wen)材料包緊起來(lai)，該步驟(zou)主(zhu)要(yao)是(shi)確保(bao)(bao)料筒各處的(de)保(bao)(bao)溫(wen)(wen)(wen)(wen)(wen)材料厚(hou)度(du)致，以保(bao)(bao)證(zheng)電磁加熱的(de)磁場(chang)均。

5、纏繞高(gao)溫電(dian)纜，高(gao)溫電(dian)纜的(de)規格(ge)與長度請根據(ju)各(ge)種不同型號(hao)電(dian)磁(ci)加熱控制器(qi)的(de)要求選配，該步驟非常關鍵。

6、將線圈(quan)(quan)(quan)與電(dian)(dian)(dian)磁(ci)(ci)加(jia)(jia)(jia)熱控制器連(lian)接(jie)。則(ze)(ze)將繞好(hao)(hao)的(de)線圈(quan)(quan)(quan)與電(dian)(dian)(dian)磁(ci)(ci)加(jia)(jia)(jia)熱控制器連(lian)接(jie)好(hao)(hao)，并給電(dian)(dian)(dian)磁(ci)(ci)加(jia)(jia)(jia)熱控制器接(jie)上(shang)電(dian)(dian)(dian)源，即(ji)可對(dui)設(she)(she)備(bei)(bei)進行(xing)調(diao)(diao)試，需(xu)注(zhu)(zhu)意(yi)的(de)是調(diao)(diao)試過程(cheng)中要特別(bie)注(zhu)(zhu)意(yi)測(ce)量電(dian)(dian)(dian)磁(ci)(ci)加(jia)(jia)(jia)熱控制器的(de)輸入電(dian)(dian)(dian)流與頻率。為(wei)保證設(she)(she)備(bei)(bei)的(de)使用壽命建議(yi)電(dian)(dian)(dian)流調(diao)(diao)到額定工作電(dian)(dian)(dian)流的(de)80%左(zuo)右(you)，如我司2.5KW的(de)電(dian)(dian)(dian)磁(ci)(ci)加(jia)(jia)(jia)熱控制板，額定工作電(dian)(dian)(dian)流是12A，則(ze)(ze)建議(yi)調(diao)(diao)到10A左(zuo)右(you)即(ji)可，或電(dian)(dian)(dian)流偏小(xiao)則(ze)(ze)可減少線圈(quan)(quan)(quan)，反(fan)之(zhi)則(ze)(ze)需(xu)再增加(jia)(jia)(jia)些線圈(quan)(quan)(quan)。

電(dian)磁加熱控制器運(yun)用在反應(ying)釜上有什么優(you)勢呢？

、加(jia)熱(re)(re)(re)升溫時(shi)間短(duan)、能量(liang)轉換效率高，該設備采用就地電磁加(jia)熱(re)(re)(re)，直接加(jia)熱(re)(re)(re)罐(guan)體，減少中間熱(re)(re)(re)傳遞過程(cheng)提高熱(re)(re)(re)效率利用。

二、安裝方便，次性(xing)投(tou)入(ru)(ru)成(cheng)本(ben)低，只在原反應釜(fu)(fu)加(jia)入(ru)(ru)電磁感(gan)應器(qi)即可(ke)，不對原反應釜(fu)(fu)進行大量的改造。

三、運行成本(ben)低，無需管道、鍋爐、煤場、智能監控，真正實現無人值守。

四、軟(ruan)啟(qi)動：無啟(qi)動沖擊電流，可以有(you)效保護設備不受傷害。

五、安全防(fang)爆、無明(ming)火(huo)。線(xian)圈溫度(du)在(zai)100度(du)以內，加熱(re)部分采用電纜室結構，加熱(re)電纜本身不會產生(sheng)熱(re)量(liang)。

六(liu)、升溫速度(du)快(kuai)，溫度(du)高(gao)，高(gao)可達600度(du)加(jia)(jia)熱(re)時，加(jia)(jia)熱(re)介質(zhi)與電分(fen)離，感應器本身不(bu)產生高(gao)溫，不(bu)產生火花(hua)，電源采用特殊(shu)的防爆外殼。

七、綠色(se)環保，無任何廢(fei)棄(qi)物產生，符(fu)合(he)可持續發展(zhan)戰略。

電磁感應(ying)加熱器不加熱原(yuan)因主(zhu)要有以(yi)下三點：

1、線路故障，沒電供(gong)及。

2、元件(jian)損壞，查(cha)找更換。

3、調(diao)整不當(dang)，重新調(diao)整適當(dang)數據。

電磁加(jia)熱(re)器普通加(jia)熱(re)圈加(jia)熱(re)方式優(you)勢：

1、接觸式熱傳遞加熱。

2、耗電(dian)的 30-70% 轉化為工(gong)作熱能。

3、加熱通過(guo)接觸(chu)方(fang)式(shi)傳遞熱能(neng)。

4、加熱及冷(leng)卻都有慣性現象(xiang)產生，及升(sheng)溫降溫都緩慢。

5、加熱有死角，不能(neng)完全包裹在料筒外(wai)層。

6、加熱(re)圈(quan)損耗(hao)大(da)，壽命短。

此外，挑選(xuan)線(xian)(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)時，還要(yao)考慮(lv)(lv)(lv)其(qi)(qi)(qi)(qi)(qi)線(xian)(xian)(xian)(xian)(xian)(xian)徑，材質，耐(nai)溫耐(nai)壓性能(neng)等(deng)。這些(xie)也都是(shi)(shi)由其(qi)(qi)(qi)(qi)(qi)使(shi)(shi)用(yong)(yong)(yong)(yong)條件決(jue)定(ding)(ding)的(de)(de)(de)(de)(de)。在實(shi)(shi)際(ji)選(xuan)配過(guo)程(cheng)中，先要(yao)根據加(jia)(jia)熱(re)(re)(re)(re)(re)需求(qiu)確定(ding)(ding)所(suo)需設備(bei)(bei)功(gong)(gong)率(lv)(lv)，然后就(jiu)可(ke)(ke)以知道其(qi)(qi)(qi)(qi)(qi)輸出(chu)電(dian)(dian)(dian)流值(zhi)(zhi)，進(jin)而確定(ding)(ding)線(xian)(xian)(xian)(xian)(xian)(xian)徑、材質，然后視現(xian)場(chang)的(de)(de)(de)(de)(de)溫度(du)情(qing)(qing)況(kuang)(kuang)，散熱(re)(re)(re)(re)(re)情(qing)(qing)況(kuang)(kuang)等(deng)考慮(lv)(lv)(lv)其(qi)(qi)(qi)(qi)(qi)耐(nai)溫性能(neng)。如(ru)果挑選(xuan)線(xian)(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)時沒(mei)有(you)(you)(you)考慮(lv)(lv)(lv)到這些(xie)因素，就(jiu)很(hen)容易出(chu)現(xian)設備(bei)(bei)故(gu)(gu)障(zhang)，例(li)(li)如(ru)線(xian)(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)被燒(shao)壞(huai)，加(jia)(jia)熱(re)(re)(re)(re)(re)效(xiao)率(lv)(lv)低下，線(xian)(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)不(bu)(bu)耐(nai)用(yong)(yong)(yong)(yong)等(deng)問(wen)題(ti)。輕則(ze)影響(xiang)生產，重則(ze)造成人身事(shi)故(gu)(gu)。二(er)線(xian)(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)繞(rao)制：表面看來(lai)，線(xian)(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)繞(rao)制這工作(zuo)似乎是(shi)(shi)沒(mei)技術(shu)含量(liang)的(de)(de)(de)(de)(de)，不(bu)(bu)就(jiu)是(shi)(shi)把(ba)線(xian)(xian)(xian)(xian)(xian)(xian)材繞(rao)下組成個(ge)線(xian)(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)嘛，這誰不(bu)(bu)會？但實(shi)(shi)際(ji)上并(bing)沒(mei)有(you)(you)(you)那么簡(jian)單，線(xian)(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)的(de)(de)(de)(de)(de)繞(rao)制需要(yao)考慮(lv)(lv)(lv)到疊加(jia)(jia)、干擾(rao)、散熱(re)(re)(re)(re)(re)、距離、感量(liang)匹配等(deng)因素。不(bu)(bu)同(tong)功(gong)(gong)率(lv)(lv)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)磁(ci)加(jia)(jia)熱(re)(re)(re)(re)(re)器(qi)其(qi)(qi)(qi)(qi)(qi)所(suo)需要(yao)的(de)(de)(de)(de)(de)線(xian)(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)電(dian)(dian)(dian)感量(liang)是(shi)(shi)不(bu)(bu)樣的(de)(de)(de)(de)(de)，只有(you)(you)(you)實(shi)(shi)際(ji)電(dian)(dian)(dian)感量(liang)和理論值(zhi)(zhi)直(zhi)，才能(neng)保證(zheng)電(dian)(dian)(dian)磁(ci)加(jia)(jia)熱(re)(re)(re)(re)(re)器(qi)的(de)(de)(de)(de)(de)功(gong)(gong)率(lv)(lv)大化。例(li)(li)如(ru)，臺(tai)(tai)30KW的(de)(de)(de)(de)(de)電(dian)(dian)(dian)磁(ci)加(jia)(jia)熱(re)(re)(re)(re)(re)器(qi)，其(qi)(qi)(qi)(qi)(qi)理論電(dian)(dian)(dian)感量(liang)是(shi)(shi)240μH，線(xian)(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)繞(rao)制時，只有(you)(you)(you)實(shi)(shi)際(ji)感量(liang)為240μH，其(qi)(qi)(qi)(qi)(qi)功(gong)(gong)率(lv)(lv)才有(you)(you)(you)可(ke)(ke)能(neng)完全達到。如(ru)果實(shi)(shi)際(ji)感量(liang)是(shi)(shi)100μH、150μH、300μH、400μH，那其(qi)(qi)(qi)(qi)(qi)這臺(tai)(tai)設備(bei)(bei)的(de)(de)(de)(de)(de)實(shi)(shi)際(ji)使(shi)(shi)用(yong)(yong)(yong)(yong)功(gong)(gong)率(lv)(lv)可(ke)(ke)能(neng)就(jiu)只有(you)(you)(you)20KW，15KW，甚至根本啟(qi)動不(bu)(bu)了。三適(shi)用(yong)(yong)(yong)(yong)見場(chang)：電(dian)(dian)(dian)磁(ci)加(jia)(jia)熱(re)(re)(re)(re)(re)器(qi)的(de)(de)(de)(de)(de)廣泛應用(yong)(yong)(yong)(yong)性決(jue)定(ding)(ding)了其(qi)(qi)(qi)(qi)(qi)現(xian)場(chang)使(shi)(shi)用(yong)(yong)(yong)(yong)情(qing)(qing)況(kuang)(kuang)的(de)(de)(de)(de)(de)復雜。在電(dian)(dian)(dian)磁(ci)加(jia)(jia)熱(re)(re)(re)(re)(re)器(qi)眾多的(de)(de)(de)(de)(de)使(shi)(shi)用(yong)(yong)(yong)(yong)域中，食(shi)品、塑料、化工、印刷、供暖、垃圾處理，每(mei)個(ge)行業(ye)的(de)(de)(de)(de)(de)應用(yong)(yong)(yong)(yong)場(chang)景都不(bu)(bu)同(tong)，就(jiu)是(shi)(shi)同(tong)個(ge)行業(ye)中，每(mei)個(ge)客戶的(de)(de)(de)(de)(de)使(shi)(shi)用(yong)(yong)(yong)(yong)現(xian)場(chang)也有(you)(you)(you)很(hen)大的(de)(de)(de)(de)(de)差別。所(suo)以，電(dian)(dian)(dian)磁(ci)線(xian)(xian)(xian)(xian)(xian)(xian)圈(quan)(quan)不(bu)(bu)具有(you)(you)(you)普遍適(shi)用(yong)(yong)(yong)(yong)性，是(shi)(shi)種(zhong)不(bu)(bu)同(tong)使(shi)(shi)用(yong)(yong)(yong)(yong)場(chang)景有(you)(you)(you)不(bu)(bu)同(tong)繞(rao)法的(de)(de)(de)(de)(de)非(fei)標配件。

電磁加熱技術原理(li)：

1、電(dian)(dian)磁(ci)加(jia)(jia)(jia)熱器(qi)(qi)：電(dian)(dian)磁(ci)加(jia)(jia)(jia)熱器(qi)(qi)是種利用電(dian)(dian)磁(ci)感應原理將電(dian)(dian)能轉化成(cheng)熱能的(de)裝置(zhi)，電(dian)(dian)磁(ci)加(jia)(jia)(jia)熱控制器(qi)(qi)將220V，50/60HZ的(de)交(jiao)流(liu)(liu)電(dian)(dian)整流(liu)(liu)變成(cheng)直(zhi)流(liu)(liu)電(dian)(dian)，再將直(zhi)流(liu)(liu)電(dian)(dian)轉成(cheng)頻(pin)率(lv)為(wei)20-40KHZ的(de)高頻(pin)高壓電(dian)(dian)，或(huo)者是380v 50/60HZ的(de)三相交(jiao)流(liu)(liu)電(dian)(dian)轉換成(cheng)直(zhi)流(liu)(liu)電(dian)(dian)再將直(zhi)流(liu)(liu)電(dian)(dian)轉換成(cheng)10~30KHZ的(de)高頻(pin)低壓大電(dian)(dian)流(liu)(liu)電(dian)(dian)，用來工業產(chan)品加(jia)(jia)(jia)熱。

2、電(dian)(dian)磁(ci)(ci)加(jia)(jia)熱(re)(re)(re)(re)圈(quan)：高速變(bian)化的(de)(de)(de)高頻(pin)高壓電(dian)(dian)流流過線(xian)圈(quan)會(hui)產(chan)生(sheng)(sheng)(sheng)高速變(bian)化的(de)(de)(de)交(jiao)變(bian)磁(ci)(ci)場，當用含(han)鐵質(zhi)容(rong)(rong)器(qi)(qi)放置上(shang)(shang)面時，容(rong)(rong)器(qi)(qi)表面即具切割交(jiao)變(bian)磁(ci)(ci)力線(xian)而(er)在容(rong)(rong)器(qi)(qi)底部(bu)金(jin)屬(shu)部(bu)分(fen)產(chan)生(sheng)(sheng)(sheng)交(jiao)變(bian)的(de)(de)(de)電(dian)(dian)流（即渦流），渦流使容(rong)(rong)器(qi)(qi)底部(bu)的(de)(de)(de)載流子高速無規(gui)則運動(dong)，載流子互相碰撞、摩擦(ca)而(er)產(chan)生(sheng)(sheng)(sheng)熱(re)(re)(re)(re)能。從(cong)而(er)起到加(jia)(jia)熱(re)(re)(re)(re)物品的(de)(de)(de)效(xiao)果。即是通(tong)過把電(dian)(dian)能轉化為(wei)磁(ci)(ci)能，使被加(jia)(jia)熱(re)(re)(re)(re)鋼體表面產(chan)生(sheng)(sheng)(sheng)感(gan)應(ying)渦流種(zhong)加(jia)(jia)熱(re)(re)(re)(re)方(fang)(fang)式(shi)(shi)。這種(zhong)方(fang)(fang)式(shi)(shi)從(cong)根本上(shang)(shang)解決(jue)了電(dian)(dian)熱(re)(re)(re)(re)片、電(dian)(dian)熱(re)(re)(re)(re)圈(quan)等(deng)電(dian)(dian)阻式(shi)(shi)的(de)(de)(de)，通(tong)過熱(re)(re)(re)(re)傳導方(fang)(fang)式(shi)(shi)加(jia)(jia)熱(re)(re)(re)(re)產(chan)生(sheng)(sheng)(sheng)的(de)(de)(de)熱(re)(re)(re)(re)效(xiao)率(lv)低下的(de)(de)(de)問題。

電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)加熱器(qi)工作原(yuan)理(li)：電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)加熱是利用(yong)電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)感應原(yuan)理(li)將(jiang)電(dian)(dian)(dian)(dian)(dian)(dian)能(neng)轉換(huan)(huan)為(wei)(wei)熱能(neng)的(de)(de)能(neng)量轉換(huan)(huan)過(guo)程，由整(zheng)流(liu)(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)將(jiang)50/60Hz的(de)(de)交(jiao)(jiao)流(liu)(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)轉變(bian)(bian)成(cheng)直流(liu)(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)，再(zai)經過(guo)功(gong)率(lv)控制(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)將(jiang)直流(liu)(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)轉換(huan)(huan)成(cheng)頻(pin)(pin)率(lv)為(wei)(wei)20～40kHz的(de)(de)高(gao)頻(pin)(pin)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)，當高(gao)速變(bian)(bian)化(hua)的(de)(de)交(jiao)(jiao)流(liu)(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)(liu)(liu)通(tong)過(guo)線(xian)圈(quan)時，線(xian)圈(quan)會產(chan)生高(gao)速變(bian)(bian)化(hua)的(de)(de)磁(ci)(ci)(ci)場，磁(ci)(ci)(ci)場內的(de)(de)交(jiao)(jiao)變(bian)(bian)磁(ci)(ci)(ci)力線(xian)通(tong)過(guo)金屬管(guan)道時（導磁(ci)(ci)(ci)、導電(dian)(dian)(dian)(dian)(dian)(dian)材料），管(guan)壁(bi)體內產(chan)生無數的(de)(de)小渦流(liu)(liu)(liu)(liu)(liu)，使輸(shu)油(you)管(guan)道的(de)(de)管(guan)壁(bi)本身自行(xing)(xing)發熱與原(yuan)油(you)進行(xing)(xing)熱交(jiao)(jiao)換(huan)(huan)，達到加熱原(yuan)油(you)的(de)(de)目的(de)(de)。變(bian)(bian)頻(pin)(pin)器(qi)是高(gao)頻(pin)(pin)電(dian)(dian)(dian)(dian)(dian)(dian)磁(ci)(ci)(ci)加熱器(qi)的(de)(de)核心部(bu)件，是利用(yong)電(dian)(dian)(dian)(dian)(dian)(dian)力半導體器(qi)件的(de)(de)通(tong)斷作用(yong)將(jiang)工頻(pin)(pin)電(dian)(dian)(dian)(dian)(dian)(dian)源變(bian)(bian)換(huan)(huan)為(wei)(wei)另頻(pin)(pin)率(lv)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)能(neng)控制(zhi)裝置。目前使用(yong)的(de)(de)變(bian)(bian)頻(pin)(pin)器(qi)主要(yao)采(cai)用(yong)交(jiao)(jiao)流(liu)(liu)(liu)(liu)(liu)—直流(liu)(liu)(liu)(liu)(liu)—交(jiao)(jiao)流(liu)(liu)(liu)(liu)(liu)方式，先把(ba)工頻(pin)(pin)交(jiao)(jiao)流(liu)(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)源通(tong)過(guo)整(zheng)流(liu)(liu)(liu)(liu)(liu)器(qi)轉換(huan)(huan)成(cheng)直流(liu)(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)源，然后(hou)再(zai)把(ba)直流(liu)(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)源轉換(huan)(huan)成(cheng)頻(pin)(pin)率(lv)、電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)均可控制(zhi)的(de)(de)交(jiao)(jiao)流(liu)(liu)(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)源供(gong)給電(dian)(dian)(dian)(dian)(dian)(dian)動機。變(bian)(bian)頻(pin)(pin)器(qi)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)般(ban)由整(zheng)流(liu)(liu)(liu)(liu)(liu)、中間直流(liu)(liu)(liu)(liu)(liu)環(huan)節、逆變(bian)(bian)和控制(zhi)4個(ge)部(bu)分組成(cheng)。整(zheng)流(liu)(liu)(liu)(liu)(liu)部(bu)分為(wei)(wei)三相橋(qiao)式不可控整(zheng)流(liu)(liu)(liu)(liu)(liu)器(qi)，逆變(bian)(bian)部(bu)分為(wei)(wei)IGBT三相橋(qiao)式逆變(bian)(bian)器(qi)且(qie)輸(shu)出為(wei)(wei)PWM波形(xing)，中間直流(liu)(liu)(liu)(liu)(liu)環(huan)節為(wei)(wei)濾(lv)波、直流(liu)(liu)(liu)(liu)(liu)儲能(neng)和緩沖無功(gong)功(gong)率(lv)。