三相異步電動(dòng)機(jī)課件

3.1三相異步電動(dòng)機(jī)的構(gòu)造第3章異步電動(dòng)機(jī)3.2三相異步電動(dòng)機(jī)的工作原理3.3三相異步電動(dòng)機(jī)的電磁轉(zhuǎn)矩3.4三相異步電動(dòng)機(jī)的機(jī)械特性3.5三相異步電動(dòng)機(jī)的起動(dòng)3.6三相異步電動(dòng)機(jī)的調(diào)速3.7三相異步電動(dòng)機(jī)的制動(dòng)3.8三相異步電動(dòng)機(jī)銘牌數(shù)據(jù)電隱動(dòng)朱機(jī)平的都分綱類(lèi)矮：鼠范籠很式杜異愁步錯(cuò)交豪流葬電槍動(dòng)貴機(jī)你授夕課晨?jī)?nèi)纖容極：基把本漲結(jié)尊構(gòu)億、貝工佳作粱原退理另、嚴(yán)機(jī)臺(tái)械豈特?cái)匦悦?、順控超制怪方距法電?dòng)機(jī)交流電動(dòng)機(jī)直流電動(dòng)機(jī)三相電動(dòng)機(jī)單相電動(dòng)機(jī)同步電動(dòng)機(jī)異步電動(dòng)機(jī)他勵(lì)、并勵(lì)電動(dòng)機(jī)串勵(lì)、復(fù)勵(lì)電動(dòng)機(jī)1.定瀉子3樓.圓1三紗相醬異默步鑒電疫動(dòng)陽(yáng)機(jī)容的度構(gòu)坡造鐵心：由內(nèi)周有槽的硅鋼片疊成。A----XB----YC----Z三相繞組機(jī)座：鑄鋼或鑄鐵定衫子炭鐵寄心槳的榴硅緒鋼曾片定窗子稅鐵窗心定抖子兔繞啟組對(duì)貼稱(chēng)聞三爐相潔繞糠組幅。定器子賭接很線雹盒U1V1

W1W2U2V2U1V1

W1U2V2

W2U1V1

W1W2

U2V2星形(敏Y漠)聯(lián)結(jié)3~U1V1

W1W2

U2V2三角形(△)聯(lián)結(jié)3~轉(zhuǎn)閑子浮鐵篩心科、轉(zhuǎn)槽子效繞年組萍、轉(zhuǎn)榨軸壺、風(fēng)感扇代等利。轉(zhuǎn)請(qǐng)子河鐵紡心糾的白硅防鋼噸片2啄.晴轉(zhuǎn)肉子轉(zhuǎn)己子墾繞攪組繞唉線擁型漫：對(duì)趴稱(chēng)籃三貿(mào)相英繞皆組售?；\績(jī)型龜：對(duì)妥稱(chēng)炭多駁相沈繞漁組套?；\尺型怨異醫(yī)步遲電犁動(dòng)晚機(jī)禾的井轉(zhuǎn)件子

導(dǎo)條

端環(huán)風(fēng)窯扇籠切型愁異座步殖電匯動(dòng)終機(jī)渴的低轉(zhuǎn)墊子鑄胡鋁避轉(zhuǎn)社子繞饅線述型測(cè)異毯步捎電宴動(dòng)對(duì)機(jī)坐的頑轉(zhuǎn)扛子繞單線村型紙異閃步悼電淚動(dòng)熄機(jī)蛙的術(shù)轉(zhuǎn)泳子集電環(huán)三聽(tīng)相侮繞保線加型槳異行步舅電膛動(dòng)塊機(jī)奔示溝意弱圖轉(zhuǎn)廣子懲三璃相矩繞嚴(yán)組叼接耗成逆Y勵(lì)形短灑接底或外攤接倦對(duì)妖稱(chēng)廉電洗阻假等三少相有異磨步焰電疼動(dòng)宗機(jī)房誠(chéng)的疊外殿形※部識(shí)分靈額腔定矩值坡：UN6拾9閉0恐V殃，繳2孕k染V繼~亮1倚1爭(zhēng)k撓VfN5西0掙/興6彎0陵H戰(zhàn)zPN2帳0艱0裁k車(chē)W扁~剃3遭0候0熟0美k鳴W2p2郊~迷1泰2籠肅型償異券步餡電森動(dòng)貧機(jī)※部蔑分虜額歇定娃值塌：UN4磁0裂0爪V鄭~柱6沙9箱0惑VfN5袖0塑/備6咳0沸H象zPN2角0戰(zhàn)0駕k款W棉~園2米3碧0快0夏k都W2p2傲~秒8三然相量繞平線換型毀異宣步筍電艙動(dòng)水機(jī)亞的量結(jié)萬(wàn)構(gòu)3竊.跡2三棒相知異吊步練電譯動(dòng)道機(jī)渾的域轉(zhuǎn)玩動(dòng)帖原千理3階.根2嶺.刺1百旋兄轉(zhuǎn)淹磁撿場(chǎng)定咳子么三服相沫繞辱組智通民入該三相貧交園流仿電尾(乒星勁形惹聯(lián)閣接夏)AXBYCZ1.旋考轉(zhuǎn)撫磁墓場(chǎng)壁的達(dá)產(chǎn)緩生oo規(guī)牙定i:“+”首端流入，尾端流出。i:“–”尾端流入，首端流出。AYCBZX(捐?斤)扭電旱流冠出(

)淡電幼流肥入

MAXYCBZAXYCBZAXYCBZ三垂相貼電潛流雪合怖成敲磁膊場(chǎng)漫的柔分辦布悔情撈況合后成盒磁序場(chǎng)印方酷向責(zé)向嬸下合秤成夜磁均場(chǎng)選旋梅轉(zhuǎn)釀6指0右°合受成癥磁糊場(chǎng)街旋完轉(zhuǎn)復(fù)9捏0賴(lài)°600oAAXZBCYAAXZBCY分撇析窮可玻知棕：部三款相宗電轟流謎產(chǎn)武生悶的貴合別成富磁廊場(chǎng)泡是藍(lán)一援旋逆轉(zhuǎn)接的躲磁灘場(chǎng)即枯：一箏個(gè)蜓電禮流咳周徑期艇，煙旋劍轉(zhuǎn)耐磁濁場(chǎng)條在蔥空朝間艙轉(zhuǎn)炒過(guò)活3游6就0右°取不決斗于涉三危相鍵電繼流賤的裁相裳序2.旋好轉(zhuǎn)鈴磁晚場(chǎng)速的役旋似轉(zhuǎn)朗方件向結(jié)轎論倡：精任巨意僵調(diào)逮換克兩黎根電麻源扯進(jìn)靈線關(guān)，舉則棄旋妄轉(zhuǎn)磁加場(chǎng)罪反圍轉(zhuǎn)政。任帳意鑒調(diào)頭換銳兩羨根總電瓣源冤進(jìn)距線(犯電荷路槽如候圖辱)AXCZBY0

Mo3.旋耐轉(zhuǎn)術(shù)磁積場(chǎng)立的聚極滿(mǎn)對(duì)仙數(shù)謎P當(dāng)萍三負(fù)相代定撐子歇繞孕組幸按赤圖號(hào)示孩排番列崗時(shí)問(wèn)，項(xiàng)產(chǎn)肯生排一績(jī)對(duì)倍磁夾極喘的卷旋立轉(zhuǎn)闊磁瓶場(chǎng)取，即烈：AXBYCZAXYCBZ0

Mo若掩定橡子殺每臭相嬌繞沫組羅由泛兩臭個(gè)粱線幼圈也串查聯(lián)，領(lǐng)繞懇組狹的耐始玩端之來(lái)間場(chǎng)互綿差淡6營(yíng)0°，凈將取形章成兩療對(duì)顧磁啦極滋的晉旋篇轉(zhuǎn)蠅磁答場(chǎng)霜。C'Y'ABCXYZA'X'B'Z'AXBYC極對(duì)數(shù)旋郵轉(zhuǎn)杰磁母場(chǎng)臭的念磁誰(shuí)極額對(duì)家數(shù)與碑三粘相威繞源組債的亭排算列那有陵關(guān)C'Y'ABCXYZA'X'B'Z'04.旋嬸轉(zhuǎn)爸磁俗場(chǎng)倚的愉轉(zhuǎn)策速工頻：旋謙轉(zhuǎn)如磁刺場(chǎng)壺的礦轉(zhuǎn)甲速鉆取遞決棒于雷磁哪場(chǎng)負(fù)的售極昂對(duì)播數(shù)p=測(cè)1懷時(shí)0

MoAXYCBZAXYCBZAXYCBZp=2饞時(shí)0旋脆轉(zhuǎn)蚊磁稿場(chǎng)輝轉(zhuǎn)苦速n0與而極偽對(duì)竭數(shù)p的鄙關(guān)孟系極對(duì)數(shù)每個(gè)電流周期磁場(chǎng)轉(zhuǎn)過(guò)的空間角度同步轉(zhuǎn)速旋轉(zhuǎn)磁場(chǎng)轉(zhuǎn)速n0與頻率f1和極對(duì)數(shù)p有關(guān)。可見(jiàn):3歉.傍2臂.級(jí)2尸電收動(dòng)涂機(jī)謠的與轉(zhuǎn)鬧動(dòng)蓮原征理1老.摧轉(zhuǎn)館動(dòng)句原腦理AXYCBZ定軟子刮三糖相枝繞爆組石通蜓入不三怖相賄交秋流兇電方向:順時(shí)針

切割轉(zhuǎn)子導(dǎo)體右手定則感償應(yīng)旬電蜜動(dòng)蒙勢(shì)E2退0旋轉(zhuǎn)磁場(chǎng)感應(yīng)電流I2旋轉(zhuǎn)磁場(chǎng)左手定則電萌磁躁力FF電磁轉(zhuǎn)矩MnF3蜘.熟2敲.貨3靠轉(zhuǎn)洗差繭率旋侵轉(zhuǎn)餡磁斷場(chǎng)注的雪同殘步慮轉(zhuǎn)浪速欣和鎖電抹動(dòng)手機(jī)鞭轉(zhuǎn)歌子掃轉(zhuǎn)覽速瞧之偏差飲與旋怠轉(zhuǎn)蛇磁敵場(chǎng)占的屠同編步楚轉(zhuǎn)懇速走之慘比唉稱(chēng)歡為轉(zhuǎn)棒差筋率賀。由慮前寧面撥分臂析盈可游知岡，毯電哀動(dòng)循機(jī)鉗轉(zhuǎn)哥子趴轉(zhuǎn)奮動(dòng)享方皂向劇與售磁測(cè)場(chǎng)旋微轉(zhuǎn)幫的貫方腳向臨一齡致妨，觀但既轉(zhuǎn)陸子匙轉(zhuǎn)勒速n不掘可撫能聲達(dá)演到其與唐旋魄轉(zhuǎn)新磁鞏場(chǎng)畝的耍轉(zhuǎn)儉速滋相斤等咐，魂即異步電動(dòng)機(jī)如果:無(wú)轉(zhuǎn)子電動(dòng)勢(shì)和轉(zhuǎn)子電流轉(zhuǎn)子與旋轉(zhuǎn)磁場(chǎng)間沒(méi)有相對(duì)運(yùn)動(dòng)，磁通不切割轉(zhuǎn)子導(dǎo)條無(wú)轉(zhuǎn)矩因炭此孩，舉轉(zhuǎn)腦子擦轉(zhuǎn)君速字與攔旋目轉(zhuǎn)箏磁談場(chǎng)欣轉(zhuǎn)殼速尺間盼必辱須辭要梯有攀差露別雞。異步電動(dòng)機(jī)運(yùn)行中:轉(zhuǎn)找子匙轉(zhuǎn)標(biāo)速動(dòng)亦藍(lán)可慰由碼轉(zhuǎn)榴差斥率皆求敏得轉(zhuǎn)使差哥率s例由1零：一恥臺(tái)惡三索相轉(zhuǎn)異結(jié)步忘電研動(dòng)宰機(jī)逗，研其狡額出定揪轉(zhuǎn)股速n=9哪7待5昂r叢/利m中i草n，剃電速源色頻掀率f1=5品0捕H通z。被試覆求享電亮動(dòng)半機(jī)誰(shuí)的慎極鐵對(duì)彼數(shù)勤和寇額牧定遠(yuǎn)負(fù)任載證下甜的育轉(zhuǎn)堪差拖率揭。解床：根排據(jù)區(qū)異炊步當(dāng)電脹動(dòng)恨機(jī)狐轉(zhuǎn)司子伐轉(zhuǎn)抬速芹與棍旋公轉(zhuǎn)存磁績(jī)場(chǎng)燙同振步仇轉(zhuǎn)速盼的纏關(guān)攤系沉可功知殖：n0=渠1男0賢0彈0斗r勺/跪m勉i鉗n垂,即p=旋3額幣定釣轉(zhuǎn)竊差敞率恒為3濱.憤3三爛相買(mǎi)異運(yùn)步嘗電班動(dòng)改機(jī)廳的賴(lài)電顏磁椒轉(zhuǎn)棄矩三膜相餐異濫步極電勸動(dòng)哀機(jī)狂的后電撞磁密關(guān)筐系盤(pán)與約變煩壓扔器西類(lèi)尿似看。變像壓鏈器楊：

變梯化

eU1

E1=昨4堪.押4浩4f促N1

E2=局4財(cái).伶4噴4f欠N2

E1、E2頻綢率搬相晌同介，筑都尾等鉗于男電糾源闖頻務(wù)率蘇。異步電動(dòng)機(jī)每相電路i1u1e1e

1e2e

2i2+－++++－－－－f1f23亡.陡3撞.組1銅定擱子途電在路1.旋倡轉(zhuǎn)腫磁役場(chǎng)觀的鉗磁慚通

異寄步永電低動(dòng)脹機(jī)陰：旋乓轉(zhuǎn)較磁習(xí)場(chǎng)頭切湊割咸導(dǎo)溉體教

e，U1

E1=乳4循.洋4救4f1N1

每蛛極煤磁媽通旋搞轉(zhuǎn)保磁腸場(chǎng)想與兔定陽(yáng)子喜導(dǎo)宰體擁間宣的旱相外對(duì)為速吸度模為n0，寸所周以2.定榮子塵感掩應(yīng)殃電衫勢(shì)死的委頻獨(dú)率f1感帶應(yīng)魄電橡勢(shì)夾的甘頻奸率秋與跡磁糾場(chǎng)玻和惱導(dǎo)鉆體筑間濤的欠相局對(duì)北速種度把有糧關(guān)f1=甜電挑源誰(shuí)頻艷率f3裂.宇3贊.轎2講轉(zhuǎn)頁(yè)子佛電歇路1乒.灰轉(zhuǎn)進(jìn)子浸感泉應(yīng)減電炭勢(shì)核頻若率f2∵定偽子咐導(dǎo)瘦體庫(kù)與限旋之轉(zhuǎn)配磁潮場(chǎng)駛間哪的曲相熄對(duì)扯速詠度爬固智定擠，當(dāng)而衡轉(zhuǎn)垮子導(dǎo)吵體攪與誘旋婆轉(zhuǎn)演磁灑場(chǎng)相間碑的咽相離對(duì)疏速駐度孝隨德轉(zhuǎn)拐子歷的肆轉(zhuǎn)嚴(yán)速吐不彩同辯而變棍化

憶定謹(jǐn)子弓感拍應(yīng)送電輕勢(shì)進(jìn)頻糖率f1

稅轉(zhuǎn)細(xì)子醫(yī)感蝦應(yīng)舊電序勢(shì)款頻椒率f2轉(zhuǎn)歉子咐感當(dāng)應(yīng)劈燕電釣勢(shì)梁頻脆率f2

呈旋永轉(zhuǎn)塌磁拾場(chǎng)曠切榮割姥定皂子洲導(dǎo)宴體徑和乞轉(zhuǎn)春子鄉(xiāng)豐導(dǎo)跨體興的就速乏度駱不彼同2蜓.值轉(zhuǎn)病子蠶感躍應(yīng)焰電扇動(dòng)況勢(shì)E2E2=竿4翅.雪4藝4f2N2

=摟4立.手4押4s密f1N2

當(dāng)騎轉(zhuǎn)燙速n=餃0拉(s=撿1窩)論時(shí)臭，f2最熟高軋，漢且E2最泊大脫，處有E2裁0=耗4瓶.腦4蹦4f1N2

轉(zhuǎn)愿子委靜岸止弓時(shí)的數(shù)感換應(yīng)埋電莊勢(shì)即E2=s賤E2鉆0轉(zhuǎn)偷子轉(zhuǎn)轉(zhuǎn)狀動(dòng)帽時(shí)的堵感記應(yīng)做電距勢(shì)3赤.煤轉(zhuǎn)碧子犧感隱抗X2當(dāng)銅轉(zhuǎn)積速n=蔽0字(s=轟1漸)流時(shí)父，f2最廟高完，疲且X2最睛大蝕，置有X2舞0=艱2f1L

成2即X2=s飽X2掉04俯.討轉(zhuǎn)酒子也電丘流I25盾.搏轉(zhuǎn)進(jìn)子哲電集路屑的無(wú)功盼率飲因屋數(shù)爪c銹o獸s

2轉(zhuǎn)托子延繞沫組副的翅感塌應(yīng)濕電瞧流轉(zhuǎn)卵子器繞百組斧的籌感毒應(yīng)辣電棄流轉(zhuǎn)彈子確電蝕路棵的侮功啊率漢因枯數(shù)結(jié)研論廁：轉(zhuǎn)臣子益轉(zhuǎn)屆動(dòng)倆時(shí)僚，睡轉(zhuǎn)澤子泉電蛛路防中困的問(wèn)各菜量譜均灑與拉轉(zhuǎn)差搞率s有串關(guān)闖，萍即崇與帥轉(zhuǎn)悅速n有齊關(guān)葵。I2cos

2s1I2,O3夕.陪3袖.銹3學(xué)轉(zhuǎn)晉矩繞公筒式轉(zhuǎn)悔子憶中盯各秩載筍流漲導(dǎo)探體陸在牲旋健轉(zhuǎn)才磁不場(chǎng)歡的粘作馳用貍下振,陷受瘦到浩電坐磁真力碼所氧形窩成稀的部轉(zhuǎn)銀矩西之魔總稼和墻。常大數(shù)符，集與謹(jǐn)電機(jī)腎結(jié)嫁構(gòu)欠有求關(guān)旋膀轉(zhuǎn)利磁虧場(chǎng)每咐極藥磁雁通轉(zhuǎn)炮子艦電告流轉(zhuǎn)拾子趨電鵲路其的功設(shè)率伴因店數(shù)由犁此遼得應(yīng)電師磁犁轉(zhuǎn)姑矩炸公圾式由前面分析知：由暫公涌式悠可修知電監(jiān)磁矛轉(zhuǎn)瓦矩壁公碑式1.M與定子每相繞組電壓成正比。U1

M

2短.般當(dāng)遭電滴源化電瞞壓U1一稻定籠時(shí)荒，M是s的蠢函糠數(shù)錯(cuò)。3望.R2的顛大輪小扶對(duì)M有雹影覽響學(xué)。刃繞只線濟(jì)式城異飼步圍電很動(dòng)傾機(jī)弄可柴外接凝電治阻搞來(lái)野改封變嫌轉(zhuǎn)箏子禮電尊阻R2，拔從貝而掏改墻變炸轉(zhuǎn)若距奮。3緊.裕4橫.姐1貌機(jī)斗械姨特角性黑曲船線OMS根貓據(jù)曠轉(zhuǎn)下矩猴公穩(wěn)式得呢特養(yǎng)性碰曲景線法：OM13評(píng).蓮4當(dāng)三碌相版異烈步擺電摧動(dòng)透機(jī)擱械系特俘性鎖轉(zhuǎn)棕矩電浮動(dòng)貸機(jī)弄在屋額懼定肢負(fù)敲載惠時(shí)什的怕轉(zhuǎn)使矩營(yíng)。1.額腸定籌轉(zhuǎn)牙矩MN3紅.謝4掌.落1下三釋個(gè)悼重蔽要糞轉(zhuǎn)肅矩OM額蹄定窩轉(zhuǎn)鉛矩(該N表?山m籃)如劍某兩普搖通耽機(jī)竄床鍛的擇主犧軸纏電訂機(jī)峽(色Y近1裳3伍2較M爭(zhēng)-櫻4揀型劫)避的漂額廟定駁功翻率務(wù)為范7爹.命5常k期w彩,逢額資定莫轉(zhuǎn)疑速夾為鍋1挨4魚(yú)4球0物r郊/極m闖i娛n困,蜻則撲額開(kāi)定遼轉(zhuǎn)盼矩道為2.最碌大吐轉(zhuǎn)宣矩Mm燥a史x轉(zhuǎn)絡(luò)子娘軸續(xù)上崗機(jī)啄械菠負(fù)蚊載勇轉(zhuǎn)喜矩M2不杜能當(dāng)大獄于Mm棄a吵x，璃否糠則翻將寶造鎮(zhèn)成圍堵唯轉(zhuǎn)捏(意停辰車(chē)撿)起。電古機(jī)扇帶木動(dòng)奶最焰大菌負(fù)贈(zèng)載瘦的曲能屈力銀。令：求得臨抗界老轉(zhuǎn)咐差權(quán)率將sm代栗入矩轉(zhuǎn)復(fù)矩謎公趣式踢，奮可資得當(dāng)U1一冒定競(jìng)時(shí)怪，Mm花a迅x為尾定黃值過(guò)載系數(shù)(能力)一孔般疼三屢相淋異勤步凳電順動(dòng)拐機(jī)率的賭過(guò)感載冊(cè)系矮數(shù)牧為工炊作劣時(shí)扛必朋須松使M2<Mm膚a鋼x，蹈否也則疼電護(hù)機(jī)專(zhuān)將剛停滾轉(zhuǎn)飽。電猜機(jī)敬嚴(yán)敢重獎(jiǎng)過(guò)屋熱軌而抓燒頂壞混。(2)sm與R2有關(guān)，R2

sm

n。繞線式電機(jī)改變轉(zhuǎn)子附加電阻R′2可實(shí)現(xiàn)調(diào)速。

3顫.病起抄動(dòng)動(dòng)轉(zhuǎn)哲矩Ms喂M電拿動(dòng)鏡機(jī)釣起護(hù)動(dòng)掉時(shí)濁的獄轉(zhuǎn)明矩內(nèi)。起警動(dòng)廟時(shí)n=沾0時(shí)，s=章1(拴2概)Ms潛t與R2有浙關(guān)風(fēng)，紙適緒當(dāng)悔使R2

命

Ms峰t

叮。做對(duì)兆繞悲線哨式電旺機(jī)怎改易變遷轉(zhuǎn)音子亡附恩加麻電妨阻R′2,可憐使Ms織t=Mm征a渾x。Ms算t體?，F(xiàn)鄉(xiāng)豐了樓電勺動(dòng)鹿機(jī)摔帶取載貿(mào)起敵動(dòng)柱的贈(zèng)能弄力貝。若Ms中t>M2電圈機(jī)朋能首起匯動(dòng)包，肯否圍則濾不姥能妄起塔動(dòng)亡。OMMst起動(dòng)能力4潑.趣電命動(dòng)許機(jī)壺的泥運(yùn)錯(cuò)行您分鳳析電燭動(dòng)句機(jī)諒的浴電柏磁凱轉(zhuǎn)稠矩共可融以珍隨遲負(fù)堤載倉(cāng)的妥變祥化眨而爪自癢動(dòng)骨調(diào)整廁，曲這脂種刷能澆力賞稱(chēng)渣為冤自骨適職應(yīng)那負(fù)患載襯能捕力起。自旗適宅應(yīng)割負(fù)彎載羨能肌力仰是布電螺動(dòng)去機(jī)枕區(qū)袖別純于匯其惱它膊動(dòng)象力晚機(jī)驚械的節(jié)重當(dāng)要協(xié)特?fù)u點(diǎn)沸（槍如姓：獻(xiàn)柴到油子機(jī)像當(dāng)追負(fù)銀載揭增友加資時(shí)告，晴必壺須匯由操催作藍(lán)者件加褲大高油共門(mén)石，食才緩能房誠(chéng)帶墨動(dòng)修新嘴的膽負(fù)齡載噴）咐。此厚過(guò)濱程籮中偽，n

曾、s

騰

E2,I2

湊

I1

難

電次源務(wù)提窄供掌的假功妨率金自地動(dòng)異增盼加框。M2

s

飲

M2>MM唇=喬M2n

網(wǎng)

M

M′2達(dá)屢到聽(tīng)新廉的緞平名衡M2常用特性段MO5亞.U1和R2變主化借對(duì)歲機(jī)秤械吐特冬性敘的殖影氣響(么1)U1變依化棵對(duì)總機(jī)壞械雁特留性景的丘影科響U1

Mmax

Mst

M2MO(然2)R2變我化吉對(duì)懇機(jī)件械掛特充性碧的較影抬響MOR2

Ms棒t

n

硬裳特蹦性掠：負(fù)熟載糊變贏化論時(shí)征，養(yǎng)轉(zhuǎn)透速馬變尼化拒不泥大巡壽，陷運(yùn)卵行誼特令性有好超。軟廚特廣性燥：負(fù)愿載參增幸加赤時(shí)脫轉(zhuǎn)如速姓下賓降株較抬快料，炒但逃起前動(dòng)蘭轉(zhuǎn)蕩矩面大撞，辟起寄動(dòng)轎特適性勿好旦。3失.約5三側(cè)相茶異奸步沃電擇動(dòng)瘋機(jī)楚的端起室動(dòng)起糞動(dòng)捉性尸能:起缺動(dòng)問(wèn)贏題輪：起首動(dòng)叉電乎流疏大羨，燈起汁動(dòng)芝轉(zhuǎn)案矩鞋小。一半般限中政小漏型竄鼠婚籠脂式職電訪機(jī)謙起慎動(dòng)繳電病流塑為辱額添定勤電習(xí)流降的睡5頃~倆7扣倍鄰;晉電念動(dòng)損機(jī)您的閉起緩動(dòng)轉(zhuǎn)跡矩艷為殿額懼定擺轉(zhuǎn)廉矩補(bǔ)的虜(套1間.活0具~濾2或.王2斷)印倍歲。起釘動(dòng)河電渣流棗大第的原墳因仙：起破動(dòng)毅：n=0鈔，s=租1榨,臟接禮通壞電酸源炎。起動(dòng)時(shí)，n=0，轉(zhuǎn)子導(dǎo)體切割磁力線速度很大，轉(zhuǎn)子感應(yīng)電勢(shì)轉(zhuǎn)子電流定子電流

起氣動(dòng)磁電臉流逗、資起膏動(dòng)祖轉(zhuǎn)朝矩大電流在線路上造成較大的電壓降，從而使負(fù)載端的電壓降低頻繁起動(dòng)時(shí)造成熱量積累，使電機(jī)過(guò)熱后刷果討：起騎動(dòng)拾轉(zhuǎn)捧矩雹小耕的原葵因恐：剛伶起癥動(dòng)滿(mǎn)時(shí)億，奏雖妥然芒轉(zhuǎn)鋒子蛛電德流冤較靜大挺，燒但賄轉(zhuǎn)賞子節(jié)的碑功漿率疑因黑數(shù)捕c膊o廚sφ2卻本很今低方，束由M速=拐KmФ眨I2c混o燙sφ2可央知欺起智動(dòng)痛轉(zhuǎn)秀矩孫并難不慣大盞。后梢果呼：如始果席起醬動(dòng)乏轉(zhuǎn)急矩按過(guò)群小基，梅就母不主能勉再賴(lài)滿(mǎn)惕載鑒下園起獄動(dòng)欄，敵應(yīng)鳴設(shè)漢法燃提京高杠。崇一享般奸機(jī)哀床易的膛主休電儲(chǔ)機(jī)禮都掏是堅(jiān)空某載縮慧起抗動(dòng)慌，插啟糟動(dòng)爐后霸再呆切殲削旱，泄對(duì)抄起固動(dòng)撥轉(zhuǎn)從矩虹沒(méi)搶什勸么醫(yī)要按求呆。由償上坊可飛知油，濾異押步揭電胸動(dòng)崇機(jī)碑起內(nèi)動(dòng)準(zhǔn)時(shí)綿主悶要花缺工點(diǎn)創(chuàng)是舒起芳動(dòng)國(guó)電摔流取較召大氧。藝為配了但減物小趁起厘動(dòng)下電忘流品，段必懶須鏟采廣用頃適瞎當(dāng)辦的磁啟群動(dòng)寇方花法癥。起矮動(dòng)本方饑法(他1椅)反直底接姐起拍動(dòng)直圾接顧起概動(dòng)遷不川需醉要費(fèi)專(zhuān)疊門(mén)雹的聯(lián)設(shè)肺備爺，彼方姨法赤簡(jiǎn)昨單燒。舊但仍不箭是昏所狹有嘴的栗電穩(wěn)動(dòng)暴機(jī)委都召可浙以謠直獸接梅起軟動(dòng)攜的潛。(2)降壓起動(dòng)：星形-三角形(Y－)換接起動(dòng)自耦降壓起動(dòng)（唱適映用輔于優(yōu)鼠扶籠洪式淘電找動(dòng)聲機(jī)將）(派3銜)番轉(zhuǎn)恥子擾串度電耽阻錘或辛電丹抗段器懷起蟻動(dòng)（悲適活用覆于萌繞侮線確式滿(mǎn)電涂動(dòng)耍機(jī)婦）以瞧下睛介錯(cuò)紹北降嫁壓折起梢動(dòng)砌和瞇轉(zhuǎn)腿子泉串攀電丈阻唐起煎動(dòng)洲。3亡.乏5徒.退2需降睡壓膨起童動(dòng)(鳴1炊)定蠶子漏串陣聯(lián)衡電容阻積或賄電芹抗而降阿壓起儀動(dòng)M3夕~3~RSQ1FUQ2起削動(dòng)運(yùn)矩行M3~XSQ1FUQ23~設(shè)南：?jiǎn)T電鐘機(jī)曉每?jī)上嘈璞K抗蜘為防Z(薪2替)恢Y承－

換浩接暴起受動(dòng)

降壓起動(dòng)時(shí)的電流為直接起動(dòng)時(shí)的+－

起動(dòng)U1U2V1V1W1W2

+－正常運(yùn)行U1U2V1V2W1W2Y私－

起當(dāng)動(dòng)擦器撥接活線攪簡(jiǎn)判圖3~UNQ1FUQ2U1U2V1V2W1W2Q23~UNQ1FUU1U2V1V2W1W2

起動(dòng)Y起遍動(dòng)(逼a程)果僅輝適殊用迷于耗正判常云運(yùn)很行冬為繩三碗角倒形罪聯(lián)勞結(jié)私的齡電旱機(jī)麗。(b)Y－

起動(dòng)Y壤－

換垂接手起芽動(dòng)皂適細(xì)合脾于邀空幅載材或惕輕襲載瓣起籍動(dòng)青的袍場(chǎng)好合Y鋒-

換延接榜起讓動(dòng)驅(qū)應(yīng)究注該意鼻的籠問(wèn)至題

正常運(yùn)行UlU1W2V2W1+＿U2V1UP

起動(dòng)+＿Ul+＿U1W2V2W1U2V1(除３過(guò))撲自衡耦炕降糟壓記起治動(dòng)L1L3L2FUQQ2下速合東：接讀入權(quán)自慚耦氣變壓親器酬，財(cái)降腔壓起鋒動(dòng)低。Q2上銜合纏：切抹除師自和耦飼變壓育器趙，牙全輛壓工偵作茄。合鋼刀辜閘訴開(kāi)耳關(guān)胸QQ2自尋耦窄降藝壓稱(chēng)起舟動(dòng)垃適苗合岔于潔容乞量總較闊大適的貨或桐正恰常際運(yùn)批行脆時(shí)聯(lián)工成枯Y縱形徐不泥能謹(jǐn)采羨用甩Y?。?/p>

起島動(dòng)將的伯鼠座籠釣式害異陵步脈電呼動(dòng)它機(jī)屑。RRR滑環(huán)電刷定玩子轉(zhuǎn)絕子起裹動(dòng)項(xiàng)時(shí)真將奪適段當(dāng)希的R串政入鑄轉(zhuǎn)弊子煮電根路倚中尿，貝起鎮(zhèn)動(dòng)章后虧將R短底路衣。起隆動(dòng)駁電蟻?zhàn)?旱.5.3繞培線大式敬電杜動(dòng)坡機(jī)宰轉(zhuǎn)常子屢電市路穗串最電盞阻連起淋動(dòng)?若R2選蛾得適杰當(dāng)，呼轉(zhuǎn)迅子訴電介路祝串戲電銅阻揀起襯動(dòng)雞既螞可矮以盯降主低做起娛動(dòng)依電困流鋸，掛又郊可川以霜增旋加題起鉆動(dòng)猛轉(zhuǎn)乘矩京。常貌用絮于哨要法求忘起削動(dòng)厘轉(zhuǎn)循矩溫較肌大柄的竹生島產(chǎn)蝦機(jī)沙械蹦上蓬。R2-TMs床t-MO轉(zhuǎn)報(bào)子采電燒路垃串毒電代阻猴起地動(dòng)亞的爺特綱點(diǎn)3愁.統(tǒng)6倘.劑1韻變長(zhǎng)頻消調(diào)譯速(神無(wú)簡(jiǎn)級(jí)熱調(diào)黎速紗)

f=50Hz逆變器M3~整流器f1、U1可調(diào)+–~頻咱率岡調(diào)宰節(jié)傳范禿圍志：0爪.幫5~幾百錘赫餡茲三種電氣調(diào)速方法3叼.紅6三叉相身異炎步戰(zhàn)電游動(dòng)鞠機(jī)舅的痰調(diào)傷速3疏.普6紅.薪2冰變隸極爆調(diào)銀速(奸有談級(jí)蠟調(diào)策速圈)變春頻谷調(diào)蜻速茅方褲法悶可糞實(shí)蝦現(xiàn)蓬無(wú)狀級(jí)迫平煙滑仰調(diào)冷速優(yōu),面調(diào)趴速薯性能忽優(yōu)滾異驗(yàn)，澆因紅而角正牲獲謹(jǐn)?shù)妹拊椒纴?lái)桶越括廣訴泛蓄的傻應(yīng)騰用腸。A1X1A2X2iiP=災(zāi)2··A1A2X1X2··NNSSA1X1A2X2ii??P=廊1采蘆用制變盜極嚷調(diào)很速羊方奶法俗的乞電挪動(dòng)伐機(jī)攝稱(chēng)傾作尤雙鋪速霸電釋機(jī)永，由攝于悅調(diào)笑速嘴時(shí)滋其固轉(zhuǎn)在速伏呈勿跳耐躍輩性暖變固化墻，通因直而至只父用器在賄對(duì)調(diào)弓速任性伏能常要馳求址不亮高網(wǎng)的霜場(chǎng)目合遷，限如政銑帆床插、萌鏜貝床迅、盈磨桑床等題機(jī)捉床窩上炊。A1··A2X1X2SNMo3冒.種6竹.海3北變辨轉(zhuǎn)敏差顏率鎮(zhèn)調(diào)鉤速(無(wú)欺級(jí)葬調(diào)析速父)變禽轉(zhuǎn)朝差帥率姥調(diào)農(nóng)速苦是陡繞禁線腹式彈電繪動(dòng)音機(jī)鍛特系有疏的譽(yù)一亞種犬調(diào)速凍方謝法歸。灣其刺優(yōu)昆點(diǎn)昌是酒調(diào)紗速墳平跡滑集、左設(shè)嗚備歸簡(jiǎn)巨單去投大資附少泥，缺豆點(diǎn)胞是趕能嶼耗桂較彩大私。隔這謀種霜調(diào)營(yíng)速偶方馬式尺廣贏泛慎應(yīng)容用粥于逝各護(hù)種提銷(xiāo)升援、茄起秧重夫設(shè)鑄備始中仗。nn'??MLMLs

′s??Mso3某.腫7三品相對(duì)異事步屬電偵動(dòng)歌機(jī)腐的銜制悅動(dòng)能仗耗英制始動(dòng)制皇動(dòng)幸方麗法機(jī)械制動(dòng)電氣制動(dòng)能輕耗升制遺動(dòng)反醫(yī)接妙制稱(chēng)動(dòng)發(fā)告電形反吼饋查制勉動(dòng)在掏斷幅開(kāi)裝三苗相苗電罷源修的哄同齡時(shí)震，恒給雕電杯動(dòng)首機(jī)忽其想中緞兩只相繞愈組克通扭入追直壯流也電勻流互，福直閣流鎖電首流蠅形秒成屈的樹(shù)固化定夏磁爬場(chǎng)疑與旋筑轉(zhuǎn)質(zhì)的工轉(zhuǎn)鄉(xiāng)豐子英作后用結(jié)，石產(chǎn)低生斑了翻與宇轉(zhuǎn)殖子跳旋躬轉(zhuǎn)鈴方披向饒相墳反冠的轉(zhuǎn)倉(cāng)距終（秩制惱動(dòng)霜轉(zhuǎn)浸距療）究，動(dòng)使寺轉(zhuǎn)例子峰迅懂速趕停丑止喬轉(zhuǎn)振動(dòng)鼠。nF轉(zhuǎn)子M

n0=0反竭接建制升動(dòng)停姿車(chē)泄時(shí)府，撞將胖接斃入站電俗動(dòng)孕機(jī)沙的伍三堆相哲電脖源畏線立中慈的帝任跡意獸兩痕相包對(duì)妥調(diào)墓，五使運(yùn)電美動(dòng)粱機(jī)古定漢子馳產(chǎn)走生廳一哈個(gè)堆與漲轉(zhuǎn)護(hù)子隔轉(zhuǎn)滑動(dòng)符方初向愿相蠟反擁的蜂旋厘轉(zhuǎn)就磁叛場(chǎng)格，阿從標(biāo)而公獲妥得動(dòng)所冬需居的邁制洋動(dòng)蠅轉(zhuǎn)遲矩右，旋使駛轉(zhuǎn)丸子電迅翠速悟停叢止從轉(zhuǎn)堡動(dòng)嗓。M3~+-運(yùn)轉(zhuǎn)制動(dòng)?RPM3~運(yùn)轉(zhuǎn)制動(dòng)?nF轉(zhuǎn)子M

n0發(fā)斗電尤反副饋背制勞動(dòng)當(dāng)塔電餐動(dòng)巧機(jī)珠轉(zhuǎn)派子檔的逮轉(zhuǎn)儉速唯大朋于議旋瞇轉(zhuǎn)債磁街場(chǎng)叨的臺(tái)轉(zhuǎn)摩速時(shí)蘭，炕旋煌轉(zhuǎn)害磁毫場(chǎng)植產(chǎn)進(jìn)生肉的恢電些磁斗轉(zhuǎn)覽距章作灰用墊方賄向盡發(fā)耗生卸變化呼，償由必驅(qū)炭動(dòng)舟轉(zhuǎn)活距輕變嚼為縫制犁動(dòng)痕轉(zhuǎn)砌距裕。設(shè)電秀動(dòng)數(shù)機(jī)脆進(jìn)碧入筆制動(dòng)評(píng)狀仍態(tài)脹，友同任時(shí)鑒將傷外壩力稿作種用繪于額轉(zhuǎn)鼠子灑的搭能丈量憑轉(zhuǎn)犯換引成電佩能拼回謊送標(biāo)給油電肚網(wǎng)土。nF轉(zhuǎn)子M

n0n>n03畜.盆8三述相鳴異配步揭電馬動(dòng)齡機(jī)胸銘粉牌章數(shù)眨據(jù)1紛.模型僵號(hào)磁極數(shù)(極對(duì)數(shù)p=2)例僻如蚊：Y河1丙3怖2聽(tīng)M胡－渡4用扯以運(yùn)表廚明巴電絡(luò)動(dòng)冊(cè)機(jī)預(yù)的籮系危列托、蝦幾施何壯尺柏寸腿和胃極撕數(shù)鐘。機(jī)座長(zhǎng)度代號(hào)機(jī)座中心高（mm）三相異步電動(dòng)機(jī)教裹材棒表嗎3脾.仔8贊.樂(lè)1庸中也列乓出袍了忠各爺種澇電臺(tái)動(dòng)置機(jī)沉的般系伏列診代拼號(hào)煌。異板步辯電岡動(dòng)窮機(jī)饅產(chǎn)繪品亂名煉稱(chēng)似代梳號(hào)產(chǎn)品名稱(chēng)異步電動(dòng)機(jī)繞線式異步電動(dòng)機(jī)防爆型異步電動(dòng)機(jī)高起動(dòng)轉(zhuǎn)矩異步電動(dòng)機(jī)新代號(hào)漢字意義老代號(hào)Y異異繞異爆異起YRYBYQJ、JOJR、JROJB、JBOJQ、JQO2牲.浪接撥法接躁線巴盒定斷子苦三究相頑繞舅組鍬的陶聯(lián)化接判方鋸法。雹通遮常V1W2U1W1U2V2U2U1W2V1V2W1U1V1W1W2U2V2W2U2V2V1W1U1Y厲聯(lián)橋結(jié)W1U1V1W2U2V2

杜聯(lián)鳴結(jié)3澡.弊電塵壓例繁如列：大3礎(chǔ)8軍0板/劇2蛾2斬0務(wù)V針、候Y繁/

概是菊指削線犁電錫壓穗為晉3款8籃0紛V爪時(shí)采誘用探Y(jié)聯(lián)師結(jié)；訓(xùn)線威電扭壓銷(xiāo)為哀2慈2島0摘V掠時(shí)竹采運(yùn)用歪

聯(lián)壯結(jié)。說(shuō)濕明緊：啄一顛般煤規(guī)序定昂，節(jié)電太動(dòng)侍機(jī)疑的貸運(yùn)巨行吸電券壓睬不特能商高御于沖或低于著額光定川值及的作5愁%紐奉。電龍動(dòng)籮機(jī)珍在館額嬌定刷運(yùn)吩行雞時(shí)辭定符子氣繞攝組枕上處應(yīng)沈加五的寺線桐電壓值。4丹.慰電毅流例索如旺：飯Y裕/

6撞.暑7淡3敬/壁1擺1伙.紀(jì)6羨4牛A表貍示鎖星籌形聯(lián)域結(jié)下艇電喜機(jī)撲的骨線臣電童流嗓為脊6嬌.酸7款3絮A滴；份三辱角畜形聯(lián)吃結(jié)下肢線蝴電組流但為斥1澤1脹.嫁6啦4圓A將。并兩地種威接靜法猶下彈相丸電擊流漁均關(guān)為著6摸.岸7沉3廈A回。5哨.呈功證率裕與熊效更率鼠籠電機(jī)

=72~93％電挨動(dòng)姜機(jī)貿(mào)在忠額遍定星運(yùn)源行仔時(shí)盼定黑子劫繞掛組魯?shù)木€鉆電粘流耳值支。額拖定鄙功恭率鑰是嘉指雁電鑰機(jī)螺在帆額碌定桃運(yùn)削行冶時(shí)慘軸撿上兵輸只出值的梳機(jī)