1769-L35CR
价格:100.00
以下是供应1C31116G04的详细介绍,包括1C31116G04的价格、型号、图片、厂家等信息!1769-L35CR1769-L35CR1769-L35CR1769-L35CR1769-L35CR1769-L35CR1769-L35CR1769-L35CR1769-L35CR伺服与变频的一个重要区别是:变频可以无编码器,伺服则必须有编码器,作电子换向用.一、两者的共同点:交流伺服的技术本身就是借鉴并应用了变频的技术,在直流电机的伺服控制的基础上通过变频的PWM方式模仿直流电机的控制方式来实现的,也就是说交流伺服电机必然有变频的这一环节:变频就是将工频的50、60HZ的交流电先整流成直流电,然后通过可控制门极的各类晶体管(IGBT,IGCT等)通过载波频率和PWM调节逆变为频率可调的波形类似于正余弦的脉动电,由于频率可调,所以交流电机的速度就可调了(n=60f/p,n转速,f频率,p极对数)二、谈谈变频器:简单的变频器只能调节交流电机的速度,这时可以开环也可以闭环要视控制方式和变频器而定,这就是传统意义上的V/F控制方式。很多的变频已经通过数学模型的建立,将交流电机的定子磁场UVW3相转化为可以控制电机转速和转矩的两个电流的分量,大多数能进行力矩控制的***品牌的变频器都是采用这样方式控制力矩,UVW每相的输出要加霍尔效应的电流检测装置,采样反馈后构成闭环负反馈的电流环的PID调节;ABB的变频又提出和这样方式不同的直接转矩控制技术,具体请查阅有关资料。这样可以既控制电机的速度也可控制电机的力矩,而且速度的控制精度优于v/f控制,编码器反馈也可加可不加,加的时候控制精度和响应特性要好很多。武夷山新力源自动化设备有限公司【联系人】:陈杨【业务***】:3288934372【电话】:0599-5312273【传真】:0599-5312291【手机】:18020999965MoogG761-3002ServoValve2YearWarrantyNIBMoogD761-2766ServoValvew/12MonthWarrantyNIBMoogD651-403DProportionalControlValve12MoWarMoogD651-403D-4ProportionalValve12MonthWarranMoogServoValveG761-3002w/2YearWarrantyNIBMitsubishiServoMotorTypeHD101-12MfgZ636438YaskawaServoDrive~CACR-SR30BB1AF~RefurbishedRexroth4WRTE25V350L-41/6EG24K31/A1MProportionalValveBoschRexroth0811-404-662PropValvew/0811-404-605PiMoogD656-428ProportionalControlValveRebuilt12MoBoschR978715400ProportionalValveRebuilt1YrWarranMoogHuskyProp.ValveD684Z4733F/D633-7105RebuiltMoogHuskyProportionalValveD684Z4862/D633-7368RebltBoschProp.Valve0-811-407-970/1-817-414-332RebuiltParker45200/50/60ServoValveNIBBosch9811232080ProportionalValve0811404041Pilot08ParkerAbex425-1179Jet-PipeServoValveRebuiltw/WarParker-DyvalServoValveModel45w/WarrantyNIBParkerDY45ADCNA50ServoValveNIBMoogG761-3003ServoValveS19J0GM4VPLNIBWarrantyRexroth4WSE2ED10-51/90B13ET315K31EVServoValveRexrothFESE40CA-30/670LK0B1M-1PropThrottleValveNIBMoogG761-3008ServoValve1YearWarrantyIndramatMAC112C-0-HD-3-C/130-A-0/S005ServoMotorIndramatServoMotorMDD090B-N-020-N2L-110PB0IndramatMDD090B-N-040-N2M-110GB1ServoMotorRexroth4WS2EM10-45/75B2ET315K8DMServoValveRebuiltRexrothServoValve4WRKE32W260021/6A24EZ9/D3MRRebuiltIndramatServoMotorMAC112D-HD-3-C.130A-0.S005IndramatServoMotorMAC90C-0-KD-3-C.110-A-D.S001BoschProportionValve1817-414-332w/0811-404-966Rexroth4WS2EB10-45/20B2ET210K8AMServoValveRebuiltParkerServoValveEGD31VJ81HC1N21LJw/13MWarrantyParkerServoValveD1FLE01FCNTJ0021w/13MWarrantyIndramatServoMotorMAC112D-0-FD-3-C-130A-1IndramatServoMotorMDD112C-N-030-N2M-130GA1IndramatServoMotorMDD112D-N-030-N2M-130PB0IndramatServoMotorMDD112C-N-030-N2M-130PB2MoogD661-4744ServoValveinBox13MonthWarrantyRexroth4WS2EM10A-42/60B3ET315Z8CMServoValveRebuiltMoogD656-702ProportionalControlValveRebuilt12MonBoschB-810-055-594ProportionalValve1-817-414-312Pi)