Wound Rotor Slip Ring Motors

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Training about Wound Rotor Slip Ring Motors - How they differ from standard AC Induction Motors, are controlled, their advantages and disadvantages, and where they are used and why.
  1. ReedElectric
  2. electric
  3. motors
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Комментарии
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Clear in-depth explanation. Thanks for the video please continue!

francoisgrobler
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Can you please share the one that uses the solution instead of resistor banks

Malusigcado
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Very interesting! Thank you for sharing.

jayshepherd
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Hi Jim ! Thanks for the amazing video !! Can you help me out on something ?? I have a 10 hp a 30 hp and a 60 hp motor. All of these are in a crane. They all work on 240v. I need to calculate the ohms of the resistors to add in order to get a 50% speed. Can you help me on this calculation ??

jpartavia
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Thanks Jim
this is an old bridge crane controlled by large drum switches. im converting it to a pendant control from the floor instead of cab control. the bridge is a 15hp WRM. if i were to keep the resistors in the rotor circuit, wouldnt that give me good torque and be easier on my vfd? just bouncing some thoughts of you. thanks

tomondulich
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Thanks Jim, There is this 4100kW wound rotor that usually have burnt pigtail (middle) on all the 18 carbon brushes of the slip ring after few weeks of operation. We have changed the LRS solution, the carbon brushes and also improve on the compartment cooling. What else can contribute to this?

yusufoduwaye
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if you were to replace a drum controller with a pendant control and use pendant to energize a vfd. would setting the resistance of the rotor curcuit at half way would that be a happy medium?

tomondulich