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Active Energy Efficiency Using Speed Control

Format On Demand: Online
Offered by Energy University by Schneider Electric
Category Energy and atmosphere

Many motors only have two settings: on and off. They operate at constant speed. If a motor turning at constant speed is driving ade vice or process that requires less output, adjustments are required to achieve the desired output level. This adjustment is oft en ac hieved by letting the motor run at full speed, while using downstream devices to block part of the output. This is like driving your car by having one foot fully depressing the accelerator pedal, and the other on the brake to constant ly control the speed. It sounds absurd, but this is still one of the most common control methods. An estimated 60% of motors are not speed cont rolled. The focus of this course is to explore the different ways we can control motor speed efficiently and with minimal phy


  • Identify main motor starting methods.
  • Recognize the frequency converter principle and its advantages.
  • Realize substantial energy savings using speed control.
  • Reduce harmonic distortion generated by frequency converters.
  • Calculate the payback of an investment in a variable speed drive.
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CE Hours 1.0