江蘇電機廠家昆山博途自動化科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="直流電機的勵磁方式是指對勵磁繞組如何供電、產(chǎn)生勵磁磁通勢而建立主磁場的問題。根據(jù)勵磁方式的不同，直流電機可分為下列幾種類型。他勵勵磁繞組與電樞繞組無聯(lián)接關(guān)系，而由其他直流電源對勵磁繞組供電的直流電機稱為他勵直流電機，接線如圖1.23（a）所"><meta name="keywords" content="江蘇電機廠家,電機"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta 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clearfix"><h1>江蘇電機廠家昆山博途自動化科技供應(yīng)</h1><div id="t7qmypl" class="proBig"><div id="oealxyz" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/12/7/15/637113296233430119_KSbotuzidonghua_7152426.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="q233zlm" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/12/7/15/637113296233430119_KSbotuzidonghua_7152426.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="d4qwct3" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>江蘇電機廠家,電機</p><p><span>***更新：</span>2020-08-07 10:04:04</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="kukwnu8" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">昆山博途自動化科技有限公司</a></p><p><span>聯(lián)系人：</span>李經(jīng)理</p><p><span>郵箱: </span>lizc163@139.com</p><p><span>電話: </span>15358836958</p><p><span>傳真: </span>0512_36684975</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0512-36685475</p><p><span>地址: </span>昆山市周市鎮(zhèn)昌靈路119號</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="qnindjf" class="page-proshow02"><p class="title">詳細說明</p><div id="8kgs2he" class="box"><p><p style="text-indent:25px">直流電機的勵磁方式是指對勵磁繞組如何供電、產(chǎn)生勵磁磁通勢而建立主磁場的問題。根據(jù)勵磁方式的不同，直流電機可分為下列幾種類型。他勵勵磁繞組與電樞繞組無聯(lián)接關(guān)系，而由其他直流電源對勵磁繞組供電的直流電機稱為他勵直流電機，接線如圖1.23（a）所示。圖中M表示電動機，若為發(fā)電機，則用G表示。永磁直流電機也可看作他勵直流電機，江蘇電機廠家。并勵并勵直流電機的勵磁繞組與電樞繞組相并聯(lián)。作為并勵發(fā)電機來說，江蘇電機廠家，是電機本身發(fā)出來的端電壓為勵磁繞組供電；作為并勵電動機來說，江蘇電機廠家，勵磁繞組與電樞共用同一電源，從性能上講與他勵直流電動機相同。江蘇電機廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇電機廠家,電機" src="http://tyunfile.71360.com/UpLoadFile/2019/12/7/15/637113296233430119_KSbotuzidonghua_7152426.jpg"></div><p style="text-indent:25px">電磁式直流電動機的定子磁極（主磁極）由鐵心和勵磁繞組構(gòu)成。根據(jù)其勵磁（舊標(biāo)準(zhǔn)稱為激磁）方式的不同又可分為串勵直流電動機、并勵直流電動機、他勵直流電動機和復(fù)勵直流電動機。因勵磁方式不同，定子磁極磁通（由定子磁極的勵磁線圈通電后產(chǎn)生）的規(guī)律也不同。串勵直流電動機的勵磁繞組與轉(zhuǎn)子繞組之間通過電刷和換向器相串聯(lián)，勵磁電流與電樞電流成正比，定子的磁通量隨著勵磁電流的增大而增大，轉(zhuǎn)矩近似與電樞電流的平方成正比，轉(zhuǎn)速隨轉(zhuǎn)矩或電流的增加而迅速下降。其起動轉(zhuǎn)矩可達額定轉(zhuǎn)矩的5倍以上，短時間過載轉(zhuǎn)矩可達額定轉(zhuǎn)矩的4倍以上，轉(zhuǎn)速變化率較大，空載轉(zhuǎn)速甚高（一般不允許其在空載下運行）。可通過用外用電阻器與串勵繞組串聯(lián)（或并聯(lián)）、或?qū)⒋畡罾@組并聯(lián)換接來實現(xiàn)調(diào)速。江蘇電機廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇電機廠家,電機" src="http://tyunfile.71360.com/UpLoadFile/2019/12/7/15/637113296233585989_KSbotuzidonghua_4429728.jpg"></div><p style="text-indent:25px">并勵直流電動機的勵磁繞組與轉(zhuǎn)子繞組相并聯(lián)，其勵磁電流較恒定，起動轉(zhuǎn)矩與電樞電流成正比，起動電流約為額定電流的2.5倍左右。轉(zhuǎn)速則隨電流及轉(zhuǎn)矩的增大而略有下降，短時過載轉(zhuǎn)矩為額定轉(zhuǎn)矩的1.5倍。轉(zhuǎn)速變化率較小，為5%~15%?？赏ㄟ^消弱磁場的恒功率來調(diào)速。他勵直流電動機的勵磁繞組接到**的勵磁電源供電，其勵磁電流也較恒定，起動轉(zhuǎn)矩與電樞電流成正比。轉(zhuǎn)速變化也為5%~15%。可以通過消弱磁場恒功率來提高轉(zhuǎn)速或通過降低轉(zhuǎn)子繞組的電壓來使轉(zhuǎn)速降低。</p><p> 工作原理： </p> <p> 導(dǎo)體受力的方向用左手定則確定。這一對電磁力形成了作用于電樞一個力矩，這個力矩在旋轉(zhuǎn)電機里稱為電磁轉(zhuǎn)矩，轉(zhuǎn)矩的方向是逆時針方向，企圖使電樞逆時針方向轉(zhuǎn)動。如果此電磁轉(zhuǎn)矩能夠克服電樞上的阻轉(zhuǎn)矩（例如由摩擦引起的阻轉(zhuǎn)矩以及其它負載轉(zhuǎn)矩），電樞就能按逆時針方向旋轉(zhuǎn)起來。直流電動機是依靠直流工作電壓運行的電動機，廣泛應(yīng)用于收錄機、錄像機、影碟機、電動剃須刀、電吹風(fēng)、電子表、玩具等。 </p> <p> 電磁式直流電動機由定子磁極、轉(zhuǎn)子（電樞）、換向器（俗稱整流子）、電刷、機殼、軸承等構(gòu)成， </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇電機廠家,電機" src="http://tyunfile.71360.com/UpLoadFile/2019/12/7/15/637113296233585989_KSbotuzidonghua_6919204.jpg"></div><p> 固定磁場無刷電機一 </p> <p> 般的無刷直流電機本質(zhì)上屬于伺服電機，由同步電機和驅(qū)動器構(gòu)成，是變頻調(diào)速電機。變壓調(diào)速的無刷直流電機是真正意義上的無刷直流電機，它由定子和轉(zhuǎn)子構(gòu)成，定子由鐵心構(gòu)成，線圈采用“順-逆-順-逆……”繞組，由此產(chǎn)生N-S群的固定磁場，轉(zhuǎn)子由一個圓柱體磁鐵構(gòu)成（中間帶軸），或由電磁鐵加集電環(huán)組成，此無刷直流電機可以產(chǎn)生轉(zhuǎn)矩，但不能控制方向，無論怎么說，本電機都是一項非常有意義的發(fā)明。當(dāng)作為一個直流發(fā)電機，本發(fā)明可以產(chǎn)生連續(xù)振幅的直流電流，從而避免使用濾波電容器，轉(zhuǎn)子可以是永磁、有刷勵磁或無刷勵磁。當(dāng)作為大型電機時，本電機會產(chǎn)生自感，需要采用保護裝置。 </p> <p> <br /> 江蘇電機廠家</p><p style="text-indent:25px">江蘇電機廠家</p><p> 電機（英文：Electric machinery，俗稱“馬達”）是指依據(jù)電磁感應(yīng)定律實現(xiàn)電能轉(zhuǎn)換或傳遞的一種電磁裝置。電機在電路中是用字母M（舊標(biāo)準(zhǔn)用D）表示，它的主要作用是產(chǎn)生驅(qū)動轉(zhuǎn)矩，作為用電器或各種機械的動力源，發(fā)電機在電路中用字母G表示，它的主要作用是利用機械能轉(zhuǎn)化為電能。 </p> <p> 直流發(fā)電機的工作原理就是把電樞線圈中感應(yīng)的交變電動勢，靠換向器配合電刷的換向作用，使之從電刷端引出時變?yōu)橹绷麟妱觿莸脑?。感?yīng)電動勢的方向按右手定則確定（磁感線指向手心，大拇指指向?qū)w運動方向，其他四指的指向就是導(dǎo)體中感應(yīng)電動勢的方向）。江蘇電機廠家</p><p style="text-indent:25px">昆山博途自動化科技有限公司是一家自動化設(shè)備、機電設(shè)備、機械設(shè)備、氣動液壓設(shè)備、電氣控制系統(tǒng)裝置設(shè)備、智能機器人、夾具、治具、模具的設(shè)計、生產(chǎn)、組裝、銷售;計算機、工業(yè)設(shè)備科技領(lǐng)域內(nèi)的技術(shù)開發(fā)、技術(shù)咨詢、技術(shù)服務(wù)、技術(shù)轉(zhuǎn)讓;計算機硬件及軟件的銷售;貨物及技術(shù)的進出口業(yè)務(wù)。(依法須經(jīng)批準(zhǔn)的項目,經(jīng)相關(guān)部門批準(zhǔn)后方可開展經(jīng)營活動)的公司，創(chuàng)建于2013-08-13。博途科技擁有一支經(jīng)驗豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團隊，以高度的專注和執(zhí)著為客戶提供[ "電缸", "電動缸", "力位移", "壓裝機" ]。依托效率源扎實的技術(shù)積累、完善的產(chǎn)品體系、深厚的行業(yè)基礎(chǔ)，目前擁有員工數(shù)51~100人，年營業(yè)額達到200-300萬元。博途科技始終關(guān)注自身，在風(fēng)云變化的時代，我們對自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使我們在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/836895.html</p></div></div></div></div></div><div id="u92bqmn" class="page-right twoColRt"><div id="hyeajuv" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ezkqm3k" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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