NEMA標(biāo)準(zhǔn)電機(jī)[1]資料講解

1、Good is good, but better carries it.精益求精，善益求善。NEMA標(biāo)準(zhǔn)電機(jī)1-NEMA高效三相異步電動(dòng)機(jī)0EE138120佳木斯電機(jī)股份有限公司二三年一月一、概述NEMA高效三相異步電動(dòng)機(jī)為全封閉自扇冷式電機(jī)，該系列電動(dòng)機(jī)按照美國NEMA和加拿大C390-93標(biāo)準(zhǔn)設(shè)計(jì)制造，效率指標(biāo)達(dá)到美國能源法規(guī)定的高效節(jié)能電動(dòng)機(jī)標(biāo)準(zhǔn)，其功率等級(jí)、安裝尺寸及電氣機(jī)械性能均符合NEMA標(biāo)準(zhǔn)要求，款式新穎、制作精良、安全可靠。電動(dòng)機(jī)具有高效、節(jié)能，溫升裕度大，噪聲和振動(dòng)小等特點(diǎn)。該系列電動(dòng)機(jī)采用B設(shè)計(jì)，外殼防護(hù)等級(jí)IP54，F(xiàn)級(jí)絕緣，使用系數(shù)為1.15，電動(dòng)機(jī)額定電壓208V23

2、0V/460V（25HP以下），230V/460V（25HP150HP），460V（150HP以上），額定頻率60Hz，適用于無特殊要求的場合，最高溫度不超過40，海拔不超過3300英尺（1000m），可作為各種機(jī)械設(shè)備的動(dòng)力配套。該電動(dòng)機(jī)可根據(jù)用戶需要進(jìn)行特殊設(shè)計(jì)制造，如選用C、D設(shè)計(jì)，或各類安裝型式或不同防護(hù)等級(jí)，或B、H級(jí)絕緣等級(jí)，或不同電壓、頻率的要求。電動(dòng)機(jī)功率等級(jí)5HP以下為2Y/Y，功率等級(jí)7.5HP及以上為2/。型號(hào)含義NEMA445TS2極數(shù)短軸標(biāo)準(zhǔn)尺寸的機(jī)座NEMA標(biāo)準(zhǔn)中2F尺寸的代號(hào)中心高（in）D的4倍標(biāo)準(zhǔn)代號(hào)二、結(jié)構(gòu)簡介NEMA電動(dòng)機(jī)機(jī)座和端蓋采用高強(qiáng)度鑄鐵，耐腐蝕、

3、壽命長、機(jī)座外表面有平行散熱片，易于散熱。電機(jī)的外風(fēng)扇：采用塑料風(fēng)扇。（也可按用戶要求采用鑄鐵風(fēng)扇）軸承：機(jī)座號(hào)143T215T采用全封閉軸承；254T449T采用開啟式軸承，備有注排油結(jié)構(gòu)。從軸伸端視之，接線盒位于電動(dòng)機(jī)左側(cè)，亦可按用戶要求設(shè)在右側(cè)或頂部，接線盒位于機(jī)座中間且左右對(duì)稱，便于用戶在使用時(shí)左出線或右出線。接線盒由鑄鐵制成，出線孔為英制螺紋，便于安裝。接線盒內(nèi)備有接地螺釘及接線圖。接線方式：150HP以下（不包括150HP）出線為9根，150HP及以上電動(dòng)機(jī)出線為6根，出線端標(biāo)志及接線圖符合MG1-2.62規(guī)定。見圖1。圖1出線端標(biāo)志圖如需特殊出線方式及引出線根數(shù)時(shí)應(yīng)另行提出。安裝

4、型式：T型有地腳C型有底腳或無底腳D型凸緣安裝有底腳或無底腳。電動(dòng)機(jī)的安裝方式應(yīng)符合NEMAMG1-4.03標(biāo)準(zhǔn)規(guī)定，安裝代號(hào)應(yīng)符合表1。表1地面安裝墻上安裝頂面安裝F-1F-2W-1W-2W-3W-4W-5W-6W-7W-8C-1C-2三、主要技術(shù)性能參數(shù)NEMAB設(shè)計(jì)見表2；NEMAD設(shè)計(jì)見表3。表2中心高額定功率滿載時(shí)堵轉(zhuǎn)電流460VA堵轉(zhuǎn)轉(zhuǎn)矩額定轉(zhuǎn)矩%最大轉(zhuǎn)矩額定轉(zhuǎn)矩%噪聲dB(A)重量kgHPkW轉(zhuǎn)速r/min電流460VA聯(lián)結(jié)方式效率%功率因數(shù)Cos同步轉(zhuǎn)速3600r/min，460V60Hz143T0.50.3734420.822Y/Y700.8151252508516143T0

5、.750.5534421.142Y/Y730.8371252508517143T1.00.7534421.492Y/Y75.50.84151252508518143T1.51.134421.992Y/Y82.50.84201752508520145T21.534422.612Y/Y840.86251702308522182T32.235033.762Y/Y85.50.86321602308834184T53.734936.102Y/Y87.50.87461502158835213T7.55.535058.862/88.50.88641402009166215T107.5350412.12/88

6、.50.87811352009170254T1511352217.792/90.20.8611613020094120256T2015351723.722/90.20.8814513020094125284TS2518.5353428.992/910.88182.513020094168286TS3022352534.12/910.89217.513020094170324TS4030353946.72/91.70.88290125200100235326TS5037354957.12/92.40.88362.5120200100252364TS6045355769.82/930.874351

7、20200101320365TS7555356785.52/930.87542.5105200101340405TS100753565116.92/93.60.86725105200102450444TS125903570140.62/94.50.85907.5100200102706445TS1501103570169.8294.50.861085100200102760445TS1751323570196.9294.50.891225100200102760447TS2001503570225.22950.881450100200102899449TS2501853575276.6295.

8、40.881825701751021083同步轉(zhuǎn)速1800r/min，460V60Hz143T0.50.3717241.032Y/Y690.6552753007016143T0.750.5517241.472Y/Y710.6672753007017143T1.00.7517241.732Y/Y82.50.67152753007023145T1.51.117162.312Y/Y840.71202502807022145T21.517103.12Y/Y840.72252352707024182T32.217464.322Y/Y87.50.73322152507448184T53.717366.39

9、2Y/Y87.50.80461852257449213T7.55.517489.642/89.50.8063.51702157967續(xù)表2中心高額定功率滿載時(shí)堵轉(zhuǎn)電流460VA堵轉(zhuǎn)轉(zhuǎn)矩額定轉(zhuǎn)矩%最大轉(zhuǎn)矩額定轉(zhuǎn)矩%噪聲dB(A)重量kgHPkW轉(zhuǎn)速r/min電流460VA聯(lián)結(jié)方式效率%功率因數(shù)Cos同步轉(zhuǎn)速1800r/min，460V60Hz215T107.5174312.82/89.50.82811652007979254T1511175918.52/910.8211616020084120256T2015175624.62/910.8414515020084141284T2518.51763

10、28.92/92.40.87182.515020085191286T3022173034.72/92.40.86217.515020085191324T40301769472/930.8629014020089252326T5037177158.22/930.86362.514020089260364T60451776712/93.60.8543514020095300365T7555177787.32/94.10.84542.514020095338405T100751775117.22/94.50.8572512520098450444T125901780140.62/94.50.8590

11、7.5110200100768445T15011017801692950.861085110200100840445T1751321787200.52950.871225100200100840447T2001501787227.82950.871450100200100987449T2501851790280.92950.871825801751001169同步轉(zhuǎn)速1200r/min，460V60Hz143T0.50.3711501.12Y/Y660.6351802756421143T0.750.5511501.582Y/Y690.6371802756422145T1.00.7511501.

12、852Y/Y800.65151702656425182T1.51.111582.522Y/Y85.50.64201652506742184T21.511553.152Y/Y86.50.69251602406743213T32.211694.382Y/Y87.50.72321552307164215T53.711677.472Y/Y87.50.71461502157175254T7.55.5116910.82/89.50.7163.515020575100256T107.5116714.22/89.50.748115020075117284T1511117219.62/90.20.7811615

13、020080176286T2015116926.42/90.20.7914513520080180324T2518.5117432.92/91.70.77182.513520083228326T3022117338.62/91.70.78217.513520083244364T4030118048.82/930.83217.513520086304續(xù)表2中心高額定功率滿載時(shí)堵轉(zhuǎn)電流460VA堵轉(zhuǎn)轉(zhuǎn)矩額定轉(zhuǎn)矩%最大轉(zhuǎn)矩額定轉(zhuǎn)矩%噪聲dB(A)重量kgHPkW轉(zhuǎn)速r/min電流460VA聯(lián)結(jié)方式效率%功率因數(shù)Cos同步轉(zhuǎn)速1200r/min，460V60Hz365T5037118060.92/93

14、0.82362.513520086308404T6045118572.72/93.60.8343513520090430405T75551185912/93.60.81542.513520090430444T1007511801222/94.10.82725125200100795445T125901185144.62/94.10.83908125200100863447T1501101186177.22950.821085120200100997447T1751321187200.52950.871225120200100997449T20015011852252950.8814501202

15、001001185同步轉(zhuǎn)速900r/min，460V60Hz143T0.50.378601.102Y/Y680.6251402256722145T0.750.558601.562Y/Y700.6371352206725182T1.00.758651.982Y/Y740.64151352156942184T1.51.18652.62Y/Y770.69201302106943213T21.58653.32Y/Y82.50.69251302107264215T32.28654.62Y/Y840.71321302057275254T53.78686.62Y/Y85.572.54613020576106

16、256T7.55.586810.82/85.50.756412520076117284T107.5868142/88.50.768112520080174286T151186820.52/88.50.7611612520080178324T201587027.72/89.50.7614512520083228326T2518.587033.72/89.50.7718312520083244364T302287038.92/910.7821812520086304365T403087052.42/910.7929012520086308404T503788564.62/91.00.7936312

17、520089430405T6045885782/91.70.7943512520089430444T755588593.82/92.00.8054312520093787445T10075885125.62/92.50.8172512020093857447T125908881472/93.50.82908120200931011449T150110889180.5293.50.821015120200931209注：電壓不是460V時(shí)，其堵轉(zhuǎn)電流與電壓成反比。表3中心高額定功率滿載時(shí)堵轉(zhuǎn)電流460VA堵轉(zhuǎn)轉(zhuǎn)矩額定轉(zhuǎn)矩%噪聲dB(A)重量kgHPkW電流460VA聯(lián)結(jié)方式效率%功率因數(shù)Cos同

18、步轉(zhuǎn)速3600r/min，460V60Hz143T0.50.370.822Y/Y700.8152758516143T0.750.551.142Y/Y730.8372758517143T1.00.751.492Y/Y750.84152758518143T1.51.12.122Y/Y76.50.85202758520145T21.52.942Y/Y780.82252758522182T32.24.132Y/Y80.50.83322758834184T53.76.592Y/Y820.86462758835213T7.55.59.392/85.50.86642759166215T107.512.42/

19、86.20.88812759170254T151117.992/87.20.8811627594120256T201524.52/88.20.8714527594125284TS2518.529.652/890.88182.527594168286TS302235.32/890.88217.527594170324TS403047.52/900.88290275100235326TS503758.32/90.50.88362.5275100252364TS604570.52/910.88435275101320365TS755585.72/91.50.88542.5275101340405TS

20、10075115.62/91.50.89725275102450444TS12590137.952/920.89907.5275102706445TS150110167.7292.50.891085275102760445TS175132200.12930.891225275102760447TS200150226.5293.50.891450275102899449TS250185279.1293.50.8918252751021083同步轉(zhuǎn)速1800r/min，460V60Hz143T0.50.370.8972Y/Y690.7552757016143T0.750.551.272Y/Y72.

21、50.7572757017143T1.00.751.682Y/Y74.50.75152757023145T1.51.12.272Y/Y780.78202757022145T21.52.982Y/Y790.80252757024182T32.24.212Y/Y810.81322757448184T53.76.952Y/Y82.50.81462757449213T7.55.59.732/85.50.8363.52757967續(xù)表3中心高額定功率滿載時(shí)堵轉(zhuǎn)電流460VA堵轉(zhuǎn)轉(zhuǎn)矩額定轉(zhuǎn)矩%噪聲dB(A)重量kgHPkW電流460VA聯(lián)結(jié)方式效率%功率因數(shù)Cos同步轉(zhuǎn)速1800r/min，460V60H

22、z215T107.512.82/870.85812757979254T151118.92/880.8311627584120256T201525.32/88.50.8414527584141284T2518.529.72/910.86182.527585191286T302234.72/91.50.87217.527585191324T4030472/92.20.8729027589252326T503758.22/91.80.87362.527589260364T604569.62/92.30.8843527595300365T755584.72/92.70.88542.5275953384

23、05T10075113.22/93.50.8972527598450444T125901352/940.89907.5275100768445T150110164.2294.50.891085275100840445T175132197294.50.891225275100840447T200150223.9294.50.891450275100987449T250185276.1294.50.8918252751001169同步轉(zhuǎn)速1200r/min，60Hz143T0.50.371.052Y/Y630.7052756421143T0.750.551.452Y/Y660.7272756422

24、145T1.00.751.852Y/Y72.50.70152756425182T1.51.12.682Y/Y72.50.71202756742184T21.53.332Y/Y77.50.73252756743213T32.24.762Y/Y80.50.72322757164215T53.77.362Y/Y830.76462757175254T7.55.510.82/840.7663.527575100256T107.514.52/85.30.768127575117284T151121.12/860.7611627580176286T201527.72/870.7814527580180324

25、T2518.531.32/89.50.83182.527583228326T3022372/89.80.83217.527583244364T403050.92/90.20.82217.527586304續(xù)表3中心高額定功率滿載時(shí)堵轉(zhuǎn)電流460VA堵轉(zhuǎn)轉(zhuǎn)矩額定轉(zhuǎn)矩%噪聲dB(A)重量kgHPkW電流460VA聯(lián)結(jié)方式效率%功率因數(shù)Cos同步轉(zhuǎn)速1200r/min，60Hz365T503759.22/90.20.87362.527586308404T604572.32/90.80.8643527590430405T755585.32/920.88542.527590430444T10075117

26、.62/920.87725275100795445T12590139.92/92.80.87908275100863447T150110170.6293.00.871085275100997447T175132203.7293.50.871225275100997449T200150230.7293.80.8714502751001185同步轉(zhuǎn)速900r/min，460V60Hz143T0.50.371.192Y/Y630.6252756722145T0.750.551.712Y/Y640.6372756725182T1.00.751.952Y/Y710.68152756942184T1.51

27、.12.742Y/Y730.69202756943213T21.53.642Y/Y750.69252757264215T32.24.732Y/Y800.73322757275254T53.77.672Y/Y830.734627576106256T7.55.510.82/840.756427576117284T107.514.22/850.778127580174286T151120.62/860.7711627580178324T201527.82/880.7614527583228326T2518.532.92/89.50.7818327583244364T302237.92/900.802

28、1827586304365T403052.12/90.50.7929027586308404T503764.22/90.50.7936327589430405T604576.72/910.8043527589430444T755591.82/91.80.8154327593787445T10075124.92/92.00.8172527593857447T12590146.92/92.80.82908275931011449T150110179.7293.60.821015275931209結(jié)構(gòu)圖：見圖2、圖3。四、外形安裝及尺寸圖4NEMA單直軸伸底腳安裝外形尺寸圖表4機(jī)座號(hào)外形及安裝尺寸(

29、in)A(最大)B(最大)CDE2FGHJOPRSTUV(最小)ES(最小)AAABBAN-W143T7.05.112.53.52.754.00.570.341.457.77.40.7710.1880.8752.001.413/47.42.252.25145T6.113.55.0182T9.46.2154.53.754.50.680.411.979.09.30.9860.2501.581.1252.501.783/49.42.752.75184T7.2165.5213T10.87.9195.254.255.50.750.412.3610.510.91.2010.3121.971.3753.12

30、2.41110.93.53.38215T9.4217254T12.510.824.06.255.08.250.750.532.7612.95131.4160.3752.351.6253.752.9111/4134.254.00256T12.52610284T14.012.5287.05.59.50.790.532.7614.614.61.5910.52.351.8754.383.2811/2144.754.62284TS12.526.69.51.4160.3751.6253.001.913.25續(xù)表4機(jī)座號(hào)外形及安裝尺寸(in)A(最大)B(最大)CDE2FGHJOPRSTUV(最小)ES(最

31、小)AAABBAN-W286T14.014.029.57.05.5110.790.532.7614.614.61.5910.52.351.8754.383.281/2144.754.62286TS281.4160.3751.6253.001.913.25324T15.514.0308.06.2510.51.110.662.7616.2515.801.8450.52.552.1255.003.912155.255.25324TS28.81.5910.51.8753.502.033.75326T1531.5121.8450.52.1255.003.915.25326TS30.81.5910.51.

32、8753.502.033.75364T18.015319.07.011.251.250.662.9318.317.72.0210.6252.552.3755.624.283165.885.88364TS1.5910.51.8753.502.033.75365T163212.252.0210.6252.3755.624.285.88365TS1.5910.51.8753.502.033.75404T19.516.537.010.08.012.251.340.813.152019.652.450.752.8757.005.6516.56.627.25404TS37.01.8450.52.1254.

33、002.784.25405T1838.513.752.450.752.8757.005.657.25405TS38.51.8450.52.1254.002.784.25444T22.018.543.611.09.014.51.53.3522.45222.880.8752.913.3758.256.91227.58.5444TS402.0210.6252.3754.53.034.75445T20.545.516.52.880.8753.3758.256.918.5445TS432.0210.6252.3754.53.034.75447T24.049202.880.8753.3758.256.91

34、8.5447TS462.0210.6252.3754.53.034.75449T29.054.2253.152.880.8754.253.3758.256.918.5449TS512.0210.6252.3754.503.034.75447TZ24.049203.352.880.8752.913.3759.8758.53510.125449TZ29.054.2253.154.251in=25.4mm當(dāng)采用8個(gè)（BF）孔時(shí)，另外4個(gè)孔在水平和垂直中心線的位置上。圖5NEMA（C型安裝）平面安裝有底腳或無底腳外形尺寸圖表5機(jī)座號(hào)外形及安裝尺寸（in）AJAKBA最小BBBC最大BD孔數(shù)BF螺栓穿透

35、允許值UAHR最小ESS143TC、145TC5.8754.5002.750.160.126.5043/8-160.560.8752.120.7711.410.188182TC、184TC7.2508.5003.500.250.129.0041/2-130.751.1252.620.9861.780.250182TCH、184TCH5.8754.5003.500.160.126.5043/8-160.561.1252.620.9861.780.250213TC、215TC7.2508.5004.250.250.259.0041/2-130.751.3753.121.2012.410.31225

36、4TC、256TC7.2588.5004.750.250.2510.0041/2-130.751.6253.751.4162.910.375284TC、286TC9.00010.5004.750.250.2511.2541/2-130.751.8754.381.5913.280.500284TSC、286TSC9.00010.5004.750.250.2511.2541/2-130.751.6253.001.4161.910.375324TC、326TCH11.00012.5005.250.250.2514.0045/8-110.752.1255.001.8453.910.500324TSC、

37、326TSC11.00012.5005.250.250.2514.0045/8-110.751.8753.501.5912.030.500364TC、365TC11.00012.5005.880.250.2514.0085/8-110.942.3755.622.0214.280.625364TSC、365TSC11.00012.5005.880.250.2514.0085/8-110.941.8753.501.5912.030.500404TC、405TC11.00012.5006.620.250.2515.5085/8-110.942.3757.002.4505.650.750404TSC、

38、405TSC11.00012.5006.620.250.2515.5085/8-110.942.1254.001.8452.780.500444TSC、445TC14.00016.0007.500.250.2518.0085/8-110.943.3758.252.8806.910.875444TSC、445TSC14.00016.0007.500.250.2518.0085/8-110.943.3754.502.0213.030.625447TC、449TC14.00016.0007.500.250.2518.0085/8-110.943.3758.252.8806.910.875447TSC、449TSC14.00016.0007.500.250.2518.0085/8-110.942.3754.502.0213.030.625注：其余尺寸均與表4同。1in=25.4mm.。當(dāng)采用8個(gè)（BF）孔時(shí)，另外4個(gè)孔在水平和垂直中心線的位置上。圖6NEMA（D型安裝）凸緣安裝有底腳或無底