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  • Replacing a Mechanical Adjustable Speed Drive with a Variable Speed Drive
    Retrofitting an application using a mechanical adjustable speed drive such as a Reeves Motodrive® to an AC or DC variable speed drive can be done successfully if all the details are understood beforehand. First, let's take a look at what a Motodrive really looks like conceptually. A constant speed
  • Integrated Drive Electronics for Brushless DC Motors
    . factors influencing brushless motor performance, BLDCs can achieve rapid acceleration and high speed,. generate less audible noise and less electromagnetic interference, and promote long life with low. maintenance. These features make BLDCs ideal to drive devices such as computer hard/floppy disks
  • Determining MOSFET Driver Needs for Motor Drive Applications
    driver is normally in the form of a power transistor. This can be a bipolar transistor, MOSFET or an Insulated Gate Bipolar Transistor (IGBT). In some small Brushless DC motor or stepper motor applications, the MOSFET driver can be used to directly drive the motor. For this application note, though
  • Integrated motor and drive includes motion controls
    by adding a complete motion controller. The MDrive42AC Plus consists of a NEMA-42 hightorque brushless motor with fully integrated drive and control electronics. The company says the control delivers high-positioning accuracy, stability at low speeds, no dithering at zero speed, high starting torque
  • AC and DC Variable Speed Drives: Application Solutions
    Knowing what controller/motor package to use in a given situation is just one of the subjects covered in this overview of AC and DC drive application considerations. Published originally as a direct mail piece for distribution use, it has been updated with additional information on drive selection
  • Understanding Electronic Motor Drives
    drive controls the speed, torque, direction, and resulting horsepower of a motor. Dc drives typically control a shunt-wound dc motor, which has separate armature and field circuits. Ac drives control ac-induction motors and, like their dc counterparts, control speed, torque, and horsepower
  • Motor Control Design Made Easy
    For many actuators in automotive and industrial applications below 500W cost effective DC brush motors are still the motors of choice. On the other hand there is an ongoing transition from relay to PWM driven motors. This enables variable speed applications and more comfort plus higher energy
  • How Hybrid Stepper Motor Advancements Improve Medical Pump Performance
    or step. motors. Step motors (sometimes called stepping motors,. stepper motors, or simply steppers) are a solid choice for. position or speed control. Steppers are inherently digital. - a pulse applied to the drive electronics results in a shaft. movement of one step. They are commonly. used "open

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