[信息与通信]变频器的技术培训.ppt
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1、March 28, 2000,For Internal Use Only,Rockwell Automation 传动产品介绍 2007年01月22日,王卫锋 DST Application Engineer Mobile: 133 1923 2311 E-mail: ,主 题,变频器产品家族,PowerFlex400系列产品介绍,PowerFlex700系列产品介绍,PowerFlex700 DeviceNet 通讯介绍,实验&变频器维护及故障排除,Questions,变频器产品家族,AC Drives 交流变频器 0.5 to 10,000 HP 208 - 7200 Volts 160
2、Smart Speed Control 1305 Microdrive 1336PLUSII 1336IMPACT 1336FORCE PowerFlex 4 PowerFlex4M PowerFlex40/40P PowerFlex400/400P PowerFlex70 PowerFlex700/700H PowerFlex700S Powerflex7000,DC Drives 直流调速器 0.25 to 2,000 HP 90 - 700 Volts DC 1365 1397 1395 FLEXPAK3000 WEBPAK3000,NEW,NEW,变频器产品家族,PowerFlex 4
3、00/400P,PowerFlex 40/40P,PowerFlex 4,NEW,250,NEW,变频器产品家族,特性 / 功能,功率范围(KW 380V),3.7,7.5,15,37,132,860,PowerFlex 700S,PowerFlex 700L,PowerFlex 700,PowerFlex 70,PowerFlex 700H,560,800,变频器产品家族,PowerFlex 700S,特性 / 功能,功率范围(KW 690V),45,160,PowerFlex 700,1100,132,PowerFlex 700L,PowerFlex 700H,800,1500,Power
4、Flex400,功率范围广 0.2KW250KW 按变转矩标定 LCD 液晶操作面板 针对HVAC的应用 内置 RS485 通讯口,集成断路器,接触器,旁路控制回路. NEMA 1 /IP20 壁挂式成套柜,最优化的风机水泵专用变频器,标准变频产品,成套式变频产品,PowerFlex400,PowerFlex400控制接口,(7) 数字输入 (24V sink/source) (3) Semi-programmable半可编程 两线/三线控制, 硬接线使能, freeze/fire protection (4) Fully programmable可编程 预置速度, 就地控制,消防强制频率功能
5、, etc. (2) 两个C型继电器输出 (2) Analog outputs模拟量输出 0-10V or 4-20mA (selectable) (2) Analog inputs模拟量输入(电流/电压) 硬件设置 (1) 隔离-10 to 10V or 4-20mA (跳线) (1) 非隔离0-10V or 4-20mA (跳线) (1) Optocoupler output光电隔离输出,模拟量输出电流/电压跳线选择,模拟量输出电流/电压跳线选择,24V DC Source/Sink,继电器输出,I/O 接线排,(2) RS485 Ports,控制逻辑图,Sleep function/休眠
6、唤醒功能 Internal PID controller/内置PID调节器 Skip frequencies and bands跳跃频率 Selectable fan/pump curves可选的风机/水泵曲线 Purge Function消防强制频率功能 Freeze/Fire interlocks空调/消防系统联锁 Automatic restart自动重起动 Flying start飞车起动 Multi-communication for HVAC支持多种HVAC的通讯协议 继电器输出扩展卡:多电机控制 挡板控制输入,PowerFlex400,Sleep function 休眠唤醒功能
7、Internal PID controller Skip frequencies and bands Selectable fan/pump curves Purge and Freeze/Fire interlocks Automatic restart Flying start,PowerFlex400,Sleep function Internal PID controller 内置PID调节器 Skip frequencies and bands Selectable fan/pump curves Purge and Freeze/Fire interlocks Automatic
8、restart Flying start,PowerFlex400,Sleep function Internal PID controller Skip frequencies and bands 跳跃频率 Selectable fan/pump curves Purge and Freeze/Fire interlocks Automatic restart Flying start,PowerFlex400,Sleep function Internal PID controller Skip frequencies and bands Selectable fan/pump curve
9、s 可选的风机/水泵曲线 Purge and Freeze/Fire interlocks Automatic restart Flying start,PowerFlex400,Sleep function Internal PID controller Skip frequencies and bands Selectable fan/pump curves Purge and Freeze/Fire interlocks 消防联锁 Automatic restart Flying start,Used for connection to fire and life safety syst
10、ems 提供与火灾安全系统的接口 Overrides control from any other source取代其它的控制源的控制 Ignores STOP command from a network or software enable input忽略网络的停止命令及使能信号 Purge Frequency is selectable 消防强制频率可设定,PowerFlex400,Sleep function Internal PID controller Skip frequencies and bands Selectable fan/pump curves Purge and F
11、reeze/Fire interlocks Automatic restart 自动重起动 Flying start,提供故障自复位及重新起动. 为无人值守的系统提供更多的方便.,PowerFlex400,Sleep function Internal PID controller Skip frequencies and bands Selectable fan/pump curves Purge and Freeze/Fire interlocks Automatic restart Flying start 飞车起动,用来起动旋转的电机 靠监测电机的反电势确定电机的转速来决定变频器的输出
12、. 减小对机械设备的冲击,PowerFlex400,March 28, 2000,For Internal Use Only,Extremely Easy to Use Drive - With World-Class Performance!,Vector Control Series B,Product Presentation,PowerFlex 700 Drive Overview,Processor and I/O,PowerFlex 700 Drive,Control Panel,Computer,Motor,Encoder (optional),PowerFlex700,优异的性
13、能 FORCE磁通矢量控制提供精确的速度和力矩控制 配/不配PG 简单的步进位置控制(位置索引) / 速度 profiling applications 出众的通讯能力to Logix, NetLinx & View 适用于各类简单到复杂的应用: 力矩校验TorqProve 用于提升的应用 调压控制:用于非电机控制的应用 Oil Well macros for Pump Jacks and Progressive Cavity Pumps (PCPs)磕头机和PCP泵 使用方便 带LCD显示的全数字式手操器 辅助的起动引导菜单,不需要手册就可调试 拔插式的 I/O端子 整个功率范围的控制主板是
14、一样的 节省安装空间 内置制动单元,内置通讯接口, 内置EMC filters ,内置共模抑制器 all save panel space and wiring time 集成的一体化书本型设计,PowerFlex700,PowerFlex 700VC 说明,控制方式 Three control modes for any application requirement V/Hz 无传感器矢量控制 with or without encoder feedback Force 磁通矢量控制 with or without encoder feedback 都带自整定功能 :方便调试,可获得较佳性
15、能 编码器反馈卡 12V or 5V options available 数字 I/O 6 输入- choice of voltage 24 VDC sink or source, or 115 VAC Dedicated Hardware Enable option 3 输出 可编程继电器输出 250 V AC, 30 V DC, 2 Amps 模拟 I/O 2 输入 差动隔离 双级型; 刷新时间1 msec for torque input 2 输出 -差动隔离 (0 - 10V or 4 - 20mA),罗克韦尔自动化A-B变频器采用的是获得专利技术的磁场定向控制(FORCE)技术,其可
16、独立控制交流电动机的磁通量和转矩电流,来实现精确的转矩和速度控制。FORCE技术采用了专利型的、频宽的电流调节器技术,加上自适应的控制器,可以对电动机的磁通量和转矩进行分离和控制。这是FORCE技术和其它矢量控制技术的根本区别。采用了磁场定向控制(FORCE)技术后,结合了编码器使用,变频器调速范围为1000:1,调速精度最高可达+/-0.001%,转矩调整精度为+/- 2%。,什么是ForceTM技术?,磁通矢量控制- 转矩-速度曲线,- 转矩-速度曲线,PowerFlex 700VC 说明,内置通讯板 The PowerFlex 700 offers an internal communi
17、cations option allowing the user to integrate the drive into the manufacturing process. Status indicators for all internal communications options are visible on the cover for easy set-up and monitoring of drive communications.,PowerFlex 700 交流变频器,内置制动斩波器 Standard chopper transistor and available dri
18、ve-mounted (or separate mounting) braking resistor provide cost-effective dynamic brake options.,可选的控制模式 The PowerFlex 700 can be programmed for Volts per Hertz or Sensorless Vector control to cover a variety of applications.,多色 LED显示 Multi-color LEDs - visible through the cover of the PowerFlex 700
19、 - provide clear indication of drive status.,灵活的人机界面 A flexible LCD Human Interface Module provides exceptional information display and programming ease in a multilingual format.,灵活的I/O接口 Both the digital and analog I/O are flexible options on the PowerFlex 700. The Standard I/O board includes 6 dig
20、ital inputs, 2 relay outputs, 2 analog inputs and 1 analog output, all fully programmable.,接线端标识清楚,可插拔 Clearly marked, conveniently placed terminal blocks provide direct access for power and control wiring with a minimal amount of wire bending. Control blocks are “pull apart” for added convenience.,
21、内置EMC滤波器 By including an internal EMC filter, the PowerFlex 700 meets environmental standards without requiring additional panel space.,Past,Motor,DC/AC,AC/DC,SMPS dc/dc,EMI FILTER,Gate drive,PowerFlex 700,Cm core,Line Reactor,Line Reactor,Insulation Type 1000 Vpk 1200 Vpk,RWR 1-5 hp,EMI Filter,Lowe
22、r $ DC/AC,AC/DC new pre charge,Lower $ SMPS dc/dc,EMI FILTER,Dynamic Brake,Insulation Type 1000 Vpk 1200 Vpk 1600Vpk 1850 Vpk,Motor,Cable length 300ft,RWR 1-5 hp (Maxima),Dynamic Brake,PowerFlex “工程型产品” 主要特性,节省空间的硬件设计:,硬件结构 - Noise Suppression,Noise Suppression,PowerFlex 700 Frame 5,Power Structure
23、Frame 5 & 6,力矩校验TorqProveTM Applications,TorqProve can be used in any application where coordination between the drive and the mechanical brake is required.力矩校验应用于变频器与机械抱闸配合的控制. Lifting applications include: Cranes 起重机 Hoists吊机 Material handling lifts (vertical conveyors)物料垂直输送 Automatic Storage and
24、 Retrieval Systems (ASRS)自动货库 Palletizers码堆机,The PowerFlex 700 utilizes closed-loop Vector Control for assured control of the load at all times,TorqProveTM for Lifting Applications/力矩校验在起重设备的应用,Benefits include: Assured control of the load有效的控制负载. TorqProveTM assures that the mechanical brake has co
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