MPL-B230P-VJ44AA
MPL-B230P-VJ44AA
MPL-B230P-VJ44AA
交流佩服電機(jī)基本類型
長(zhǎng)期以來,在要求調(diào)速性能較高的場(chǎng)合,一直占據(jù)主導(dǎo)地位的是應(yīng)用直流電動(dòng)機(jī)的調(diào)速系統(tǒng)。但直流電動(dòng)機(jī)都存在一些固有的缺點(diǎn),如電刷和換向器易磨損,需經(jīng)常維護(hù)。換向器換向時(shí)會(huì)產(chǎn)生火花,使電動(dòng)機(jī)的最高速度受到限制,也使應(yīng)用環(huán)境受到限制,而且直流電動(dòng)機(jī)結(jié)構(gòu)復(fù)雜,制造困難,所用鋼鐵材料消耗大,制造成本高。而交流電動(dòng)機(jī),特別是鼠籠式感應(yīng)電動(dòng)機(jī)沒有上述缺點(diǎn),且轉(zhuǎn)子慣量較直流電機(jī)小,使得動(dòng)態(tài)響應(yīng)更好。在同樣體積下,交流電動(dòng)機(jī)輸出功率可比直流電動(dòng)機(jī)提高10﹪~70﹪,此外,交流電動(dòng)機(jī)的容量可比直流電動(dòng)機(jī)造得大,達(dá)到更高的電壓和轉(zhuǎn)速。現(xiàn)代數(shù)控機(jī)床都傾向采用交流伺服驅(qū)動(dòng),交流伺服驅(qū)動(dòng)已有取代直流伺服驅(qū)動(dòng)之勢(shì)。
異步型
異步型交流伺服電動(dòng)機(jī)指的是交流感應(yīng)電動(dòng)機(jī)。它有三相和單相之分,也有鼠籠式和線繞式,通常多用鼠籠式三相感應(yīng)電動(dòng)機(jī)。其結(jié)構(gòu)簡(jiǎn)單,與同容量的直流電動(dòng)機(jī)相比,質(zhì)量輕1/2,價(jià)格僅為直流電動(dòng)機(jī)的1/3。缺點(diǎn)是不能經(jīng)濟(jì)地實(shí)現(xiàn)范圍很廣的平滑調(diào)速,必須從電網(wǎng)吸收滯后的勵(lì)磁電流。因而令電網(wǎng)功率因數(shù)變壞。
這種鼠籠轉(zhuǎn)子的異步型交流伺服電動(dòng)機(jī)簡(jiǎn)稱為異步型交流伺服電動(dòng)機(jī),用IM表示。
同步型
同步型交流伺服電動(dòng)機(jī)雖較感應(yīng)電動(dòng)機(jī)復(fù)雜,但比直流電動(dòng)機(jī)簡(jiǎn)單。它的定子與感應(yīng)電動(dòng)機(jī)一樣,都在定子上裝有對(duì)稱三相繞組。而轉(zhuǎn)子卻不同,按不同的轉(zhuǎn)子結(jié)構(gòu)又分電磁式及非電磁式兩大類。非電磁式又分為磁滯式、永磁式和反應(yīng)式多種。其中磁滯式和反應(yīng)式同步電動(dòng)機(jī)存在效率低、功率因數(shù)較差、制造容量不大等缺點(diǎn)。數(shù)控機(jī)床中多用永磁式同步電動(dòng)機(jī)。與電磁式相比,永磁式優(yōu)點(diǎn)是結(jié)構(gòu)簡(jiǎn)單、運(yùn)行可靠、效率較高;缺點(diǎn)是體積大、啟動(dòng)特性欠佳。但永磁式同步電動(dòng)機(jī)采用高剩磁感應(yīng),高矯頑力的稀土類磁鐵后,可比直流電動(dòng)外形尺寸約小1/2,質(zhì)量減輕60﹪,轉(zhuǎn)子慣量減到直流電動(dòng)機(jī)的1/5。它與異步電動(dòng)機(jī)相比,由于采用了永磁鐵勵(lì)磁,消除了勵(lì)磁損耗及有關(guān)的雜散損耗,所以效率高。又因?yàn)闆]有電磁式同步電動(dòng)機(jī)所需的集電環(huán)和電刷等,其機(jī)械可靠性與感應(yīng)(異步)電動(dòng)機(jī)相同,而功率因數(shù)卻大大高于異步電動(dòng)機(jī),從而使永磁同步電動(dòng)機(jī)的體積比異步電動(dòng)機(jī)小些。這是因?yàn)樵诘退贂r(shí),感應(yīng)(異步)電動(dòng)機(jī)由于功率因數(shù)低,輸出同樣的有功功率時(shí),它的視在功率卻要大得多,而電動(dòng)機(jī)主要尺寸是據(jù)視在功率而定的。
控制情況
DCS401 2-quadrant converter 兩象限;Enclousure 防護(hù)等級(jí) : IP00
DCS401.0020 3ABD00007734 A1機(jī)
DCS401.0045 3ABD00007735 A1機(jī)
DCS401.0065 3ABD00007736 A1機(jī)
DCS401.0090 3ABD00007737 A1機(jī)
DCS401.0125 3ABD00007738 A1機(jī)
DCS401.0180 3ABD00007739 A2機(jī)
DCS401.0230 3ABD00007740 A2機(jī)
DCS401.0315 3ABD00007741 A3機(jī)
DCS401.0405 3ABD00007742 A3機(jī)
DCS401.0500 3ABD00007743 A3機(jī)
DCS401.0610 3ABD00007744 A4機(jī)
DCS401.0740 3ABD00007745 A4機(jī)
DCS401.0900 3ABD00008708 A4機(jī)
DCS402 4-quadrant converter 四象限;Enclousure 防護(hù)等級(jí) : IP00
DCS402.0025 3ABD00007746 A1機(jī)
DCS402.0050 3ABD00007747 A1機(jī)
DCS402.0075 3ABD00007748 A1機(jī)
DCS402.0100 3ABD00007749 A1機(jī)
DCS402.0140 3ABD00007750 A1機(jī)
DCS402.0200 3ABD00007751 A2機(jī)
DCS402.0260 3ABD00007752 A2機(jī)
DCS402.0350 3ABD00007753 A3機(jī)
DCS402.0450 3ABD00007754 A3機(jī)
DCS402.0550 3ABD00007755 A3機(jī)
DCS402.0680 3ABD00007756 A4機(jī)
DCS402.0820 3ABD00007757 A4機(jī)
DCS402.1000 3ABD00008709 A4機(jī)
模塊型號(hào)Converter Type 電抗器型號(hào)
DCS401.0020 DCS402.0025 ND01
DCS401.0045 DCS402.0050 ND02
DCS401.0065 DCS402.0075 ND04
DCS401.0090 DCS402.0100 ND05
DCS401.0125 DCS402.0140 ND06
DCS401.0180 DCS402.0200 ND07
DCS401.0230 DCS402.0260 ND07
DCS401.0315 DCS402.0350 ND09
DCS401.0405 DCS402.0450 ND10
DCS401.0500 DCS402.0550 ND10
DCS401.0610 DCS402.0680 ND12
DCS401.0740 ND12
DCS402.0820 ND13
DCS401.0900 DCS402.1000 ND13
DCS401.0020 DCS402.0025 NF3-440-25
DCS401.0045 DCS402.0050 NF3-440-50
DCS401.0065 NF3-440-64
DCS402.0075 NF3-440-80
DCS401.0090 DCS402.0100 NF3-440-80
DCS401.0125 DCS402.0140 NF3-440-110
DCS401.0020 DCS402.0025 NF3-500-25
DCS401.0045 DCS402.0050 NF3-500-50
DCS401.0065 NF3-500-64
DCS402.0075 NF3-500-80
DCS401.0090 DCS402.0100 NF3-500-80
DCS401.0125 DCS402.0140 NF3-500-110
DCS401.0180 DCS402.0200 NF3-500-320
DCS401.0230 DCS402.0260 NF3-500-320
DCS401.0315 DCS402.0350 NF3-500-320
DCS401.0405 DCS402.0450 NF3-500-600
DCS401.0500 DCS402.0550 NF3-500-600
DCS401.0610 DCS402.0680 NF3-500-600
DCS401.0740 DCS402.0820 NF3-690-1000
DCS401.0900 DCS402.1000 NF3-690-1000
現(xiàn)場(chǎng)總線通訊適配器可選模塊
型號(hào) Type 訂貨號(hào)
NPBA-12(V1.4 or later) for PROFIBUS 3ABD64348221
NCAN-02(V2.3 or later) for CANOpen 3ABD64286731
NDNA-02(V2.4 or later) for Device-Net 3ABD64286765
NMBA-01(V1.7 or later
T204001-KF
YT204001-AD/2 YXU-168A
YT204001-AA/1 YPM102A
YT204001-CE YPG109A YYT105CE
YT204001-CN/4
YT204001-HC
YT204001-JD/3
YT204001-BP
YT204001-FSI1
YT204001-FK/1
YT204001-FL/1
YT204001-OK
YT204001-BN
YT204001-JL
YT204001-JB
YT204001-JD
YT204001-FL/1
YT204001-DT
YT204001-AA
YT204001-CB/2
YT204001-FK
YT204001-FB
YT204001-FS
YT204001-JH
YT204001-BG
YT204001-BM
YT204001-DL
YT204001-FP
YT204001-DM/1
YT204001-BG
YT204001-FD
YT204001-BL/2
YT204001-FY/1
YT204001-AN
YT204001-JJ/1
YT204001-EH
YT204001-JH
YT204001-DY/2
YT204001-DF
YT204001-CP
YT204001-CN/2
YT204001-KE
YT204001-JD/1
YT204001-AM
YT204001-HS
YT204001-0Y/2
YT204001-HE
YT204001-JF
YT204001-CK/1
YT204001-JH/1
YT213001-BA/1
YT213001-BC/2
YT213001-AC/2
YT213001-BC
YT213001-AB
YT213001-AA
YT213001-BA
YT213001-BC/1
YT213001-BB
YT213001-AA
YT213001-AC/4
YT213001-AA/3
YT213001-AB/2
YT213001-AB/6
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