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Eaton 1041389参详
Eaton 1041389参详
Eaton 1041389参详
交流伺服电动机
交流伺服电动机定子的构造基本上与电容分相式单相异步电动机相似.其定子上装有两个位置互差90°的绕组,一个是励磁绕组Rf,它始终接在交流电压Uf上;另一个是控制绕组L,联接控制信号电压Uc。所以交流伺服电动机又称两个伺服电动机。
交流伺服电动机的转子通常做成鼠笼式,但为了使伺服电动机具有较宽的调速范围、线性的机械特性,无“自转”现象和快速响应的性能,它与普通电动机相比,应具有转子电阻大和转动惯量小这两个特点。应用较多的转子结构有两种形式:一种是采用高电阻率的导电材料做成的高电阻率导条的鼠笼转子,为了减小转子的转动惯量,转子做得细长;另一种是采用铝合金制成的空心杯形转子,杯壁很薄,仅0.2-0.3mm,为了减小磁路的磁阻,要在空心杯形转子内放置固定的内定子.空心杯形转子的转动惯量很小,反应迅速,而且运转平稳,因此被广泛采用。
交流伺服电动机在没有控制电压时,定子内只有励磁绕组产生的脉动磁场,转子静止不动。当有控制电压时,定子内便产生一个旋转磁场,转子沿旋转磁场的方向旋转,在负载恒定的情况下,电动机的转速随控制电压的大小而变化,当控制电压的相位相反时,伺服电动机将反转。
ATV630D37N4
ATV630D45N4
LMC402CBL10000 1
施耐德SH30701P11A2000
SH31001P11A2000 各20
6DD1606-0AD1数量1
6DS1330-8BA 2
6DS1403-8CA 5
6DS1607-8AB 2
6DS1700-8BA 2
6DS1837-8AA 2
6DS1900-8AD 2
EATON 10250T3525 10
CIMR-AT4A0044FAA 1
ACS880-104-0350A-3 1
1489-M1C060 4 面价72003:55:08
C79451-A3260-A20 1
C79451-A3260-A4 3
6DS1200-8AC 2
6DS1202-8AB 2
6DS1312-8AB 2
6DS1327-8AA 2
6ES7368-3CB01-0AA0 1条
HIER464920P0001 1
Eaton 104-1389 2件
6SE7023-4TP60 1
2093-AMP1 2pcs 面价15326
MOORE PRODUCTS 15799-220 15799220
MODICON P1-984A-816 P1984A816
MODICON MM-PM21400C MMPM21400C
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MITSUBISHI HALP22K24BK HALP22K24BK
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FOXBORO P0960AW P0960AW
FLUKE PM6304 PM6304
FLUKE 2286A 2286A
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ELECTRO TECHNIC PRODUCTS INC BD-80 BD80
DOLCH DV10C-RT2 DV10CRT2
CUTLER HAMMER HMDL3600 HMDL3600
CUTLER HAMMER FP5200-01 FP520001
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BARBER COLMAN A-60177 A60177
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ALLEN BRADLEY 1326AB-C2C-11 1326ABC2C11
AGILENT G2630-66015 G263066015
ADEPT TECH 30350-10352 3035010352
ADEPT TECH 10332-44710 1033244710
ACUITY IMAGING 010-PV9040 010PV9040