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Engineering Reference Materials for AC Speed Control Schematic
  • AC Induction Motor Fundamentals

    induction motors are available in the market. Different motors are suitable for different applications. Although AC induction motors are easier to design than DC motors, the speed and the torque control in various types of AC induction motors require a greater understanding of the design

  • Braking and Regenerative Energy with AC Drives

    What is Regenerative Energy? When a motor turns faster than the commanded speed as set by its AC variable speed drive, the motor in effect acts as a generator. An example of this would be the control of an elevator car as it descends. With the help of gravity, the load will readily lower. In fact

  • AN1162 - Sensorless Field Oriented Control (FOC) of an AC Induction Motor (ACIM)

    AN1162 Sensorless Field Oriented Control (FOC) of an AC Induction Motor (ACIM) operate at a speed that is roughly proportional to the Author: Mihai Cheles input frequency. As you decrease the frequency of the Microchip Technology Inc. drive voltage, you also need to decrease the amplitude Co-Author

  • Replacing Your DC Motors? Think AC

    maintenance, either because they are inaccessible or because plant maintenance practices are poor. AC drives generally are smaller and lighter than DC drives for a given torque and speed output, and they are capable of speeds approaching 10,000 rpm. In addition, a single AC drive can control multiple

  • AC and DC Variable Speed Drives: Application Solutions

    of products. AC drives serve processing needs and industrial applications such as fans, pumps, mixers, conveyors, and extruders, plus many more. DC drives control processing equipment such as for sheet metal, material handling, and center winders/unwinders. Any drive featured in this publication

  • Combing GDTs and MOVs for Surge Protection of AC Power Lines (.pdf)

    . overcome the current handling and. 0. 5. 10. 15. 20. 25. energy diverting characteristics of. TIME (µs). 750. the crowbar type device with the. Figure 3b. Transient response of hybrid circuit. GE (V). 500. speed of the clamp type device.This. presence of AC follow-on currents. A. T. L. O. V.

  
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Product Announcements for AC Speed Control Schematic
Linemaster Switch Corporation
Linemaster’s Electronic AC Speed Control

Linemaster introduces the new and improved Electronic AC Speed Control Foot Switch, which was designed to offer precise variable control of fractional horsepower universal motors.   The Electronic AC Speed Control Foot Switch bears the same size and shape as the previous Motor Speed Control model, but the features of the new electronic version are a big upgrade.   The new model utilizes Hall Effect sensor technology rather than the standard mechanical potentiometer, which provides...

Dart Controls, Inc.
125 Series DC Speed Control from Dart Controls

A compact, cost-efficient, reliable control for PM, Shunt Wound DC motors and Universal motors (RoHS Compliant model available). The 125 Series variable speed control incorporates up-to-date design and engineering into an amazingly small package. Installation and field adjustment are facilitated using a barrier type terminal strip and large, easily adjusted trimpots. Adjustable horsepower range - 120VAC, 1/50 through 1/8 and 1/4 through 1/2; 240VAC, 1/25 - 1/4 and 1/8 through 1. Standard...

Bodine Electric Company
Variable-Speed AC Gearmotors, Motors & Controls

Bodine Electric Company has expanded the Pacesetter ™ family of AC inverter duty, three-phase gearmotors, motors, and AC motor speed controls. Pacesetter motor and gearhead combinations are optimized to deliver maximum output power in the smallest package. Our Quintsulation ™ 5-stage insulation system is designed to meet NEMA MG 1-1993, Section IV, Part 31. The inverter-grade magnet wire and Class F insulation system offers superior protection against potential spikes or corona...