140XBP01600 现场总线
低压通用变频输出电压为380～650V，输出功率为0.75～400kW，工作频率为0～400Hz，它的主电路都采用交-直-交电路。其控制方式经历了以下四代。
1.U/f=C的正弦脉宽调制(SPWM)控制方式
其特点是控制电路结构简单、成本较低，机械特性硬度也较好，能够满足一般传动的平滑调速要求，已在产业的各个领域得到广泛应用。但是，这种控制方式在低频时，由于输出电压较低，转矩受定子电阻压降的影响比较，使输出大转矩减小。另外，其机械特性终究没有直流电动机硬，动态转矩能力和静态调速性能都还不尽如人意，且系统性能不高、控制曲线会随负载的变化而变化，转矩响应慢、电机转矩利用率不高，低速时因定子电阻和逆变器死区效应的存在而性能下降，稳定性变差等。因此人们又研究出矢量控制变频调速。
2.电压空间矢量(SVPWM)控制方式
它是以三相波形整体生成效果为前提，以逼近电机气隙的理想圆形旋转磁场轨迹为目的，一次生成三相调制波形，以内切多边形逼近圆的方式进行控制的。经实践使用后又有所改进，即引入频率补偿，能速度控制的误差；通过反馈估算磁链幅值，低速时定子电阻的影响；将输出电压、电流闭环，以动态的精度和稳定度。但控制电路环节较多，且没有引入转矩的调节，所以系统性能没有得到根本改善。
VEXTA Item # PK264A2A-SG36, Stepper Motor
VEXTA HBLM5100N-GFHK2 HBLM5100NGFHK2
Vexta HBLM5100N-GFH Brushless DC Motor 100W Oriental with GFH5G15 Gear Head
VEXTA HBLM425K-GN HBLM425KGN
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VEXTA GFS2G200 Gear head + BLFM230-GFS BRUSHLESS DC MOTOR
VEXTA GFH5G5 GFH5G5
VEXTA GFH5G100 GFH5G100
VEXTA GFH5G10 GEAR HEAD **
VEXTA GFH2G10 GFH2G10
VEXTA GFB5G100 GFB5G100
Vexta GFB5G100 Gear Head Oriental Motor DC Brushless 75w Nnb
VEXTA GFB5G10 GFB5G10
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VEXTA FG16D FG16D
VEXTA FD10 FD10
VEXTA FD10 FD10
VEXTA FC24D2 FC24D2
VEXTA FC244M2 FC244M2
VEXTA FC02HBL FC02HBL
VEXTA FC02HBL FC02HBL
VEXTA FC01SFBL-DC FC01SFBLDC
VEXTA FBLM575W-GFB FBLM575WGFB
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Vexta FBLM5120W-GFB22 Brushless DC Motor w/ GFB5G10 Gearhead working
Vexta FBLM5120W-A Brushless DC Motor 120W ! WOW !
Vexta FBLM5120W-A | Tested with 12 month warranty
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Vexta FBLD75CW Driver Brushless Oriental Motor DC 200-230v 50/60Hz 1.4a
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Vexta DFU1514 A3 Fine Step 5 Phase Driver with 30 day warranty
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VEXTA DFU1507A DFU1507A
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Vexta DC Motor HBLM425K-GN with 4GN50 K gear head 50:1 gear ratio
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VEXTA D9CL-9.5A D9CL95A
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VEXTA CY120NA CY120NA
VEXTA CY120NA CY120NA
VEXTA CY120NA CY120NA
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VEXTA CHC3617A CHC3617A
VEXTA CH80UL CH80UL
VEXTA CH80UL CH80UL
VEXTA CH80NA CH80NA
VEXTA CH60 CH60
VEXTA CH50UL CH50UL
VEXTA CH45 CH45
VEXTA CH40 CH40
VEXTA CH35 CH35
VEXTA CH18 CH18
VEXTA CH18 CH18
VEXTA CH15BUL CH15BUL
VEXTA CH15 CH15
VEXTA CH120 CH120
VEXTA CH120 CH120
VEXTA CH12 CH12
VEXTA CH100 CH100
VEXTA CGI-023PNX0490 CGI023PNX0490
Vexta CFK569HBT 5-Phase Microstep System DFC5128T Drive, PK569H-NBA Motor
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VEXTA CBI206-701 CBI206701
VEXTA CBC-40A CBC40A
VEXTA CBC-35A CBC35A
VEXTA CBC-30A CBC30A
VEXTA CBC-25A CBC25A
VEXTA CKT STEPPING MOTOR 2 PHASE, 1.8/STEP ()
VEXTA CKT STEPPING MOTOR 2 PHASE ()
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VEXTA CK MOTORIZED ConVEYOR PARTS SHUTTLE 0369-100RN-4-SB-007
vexta ck
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VEXTA C C54139212
VEXTA C C50539012
VEXTA C C50539012
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VEXTA C C46669212
VEXTA C C46579212
VEXTA C C46269212
VEXTA C C44419012
Vexta C001N-9012K Industrial 8.5VDC 2-Phase 0.56Amp 1.8°/Step Stepper Motor
Vexta C001H-9212K Industrial 10.4VDC 2-Phase 0.7AMP 1.8°/Step Stepping Motor
VEXTA BXM5120-GFH2 BXM5120GFH2
VEXTA BXM5120-GFH2 BRUSHLESS DC MOTOR WITH GFH5G20 GEARHEAD GEAR HEAD
VEXTA BXM230M-A2 BXM230MA2
VEXTA BXD30A-A BRUSHLESS DC MOTOR DRIVER (1D2)P
VEXTA BXD120A-A DC SPEED CONTROLLER
VEXTA BXD120A-A Brushless DC Motor Driver
Vexta Brushless DC Stepping Motor 1/2" Shaft AXHM5100K-A-K3
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VEXTA BRUSHLESS DC MOTOR K0176-M * OUT OF BOX*
VEXTA BRUSHLESS DC MOTOR K0175-M * OUT OF BOX*
VEXTA BRUSHLESS DC MOTOR HBLM540K-GN #F15
VEXTA BRUSHLESS DC MOTOR HBLM540K-GN #F11
VEXTA BRUSHLESS DC MOTOR HBLM425K-GN 25W & GEAR HEAD 4GN3KA
VEXTA BRUSHLESS DC MOTOR HBLM425K-GN
VEXTA BRUSHLESS DC MOTOR DRIVER, BLD30A-F *MISSING SCREWS*
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Vexta Brushless DC Motor Driver Model BLFD120C2
VEXTA BRUSHLESS DC MOTOR DRIVER BXD120A-A
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