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dynamic braking
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  1. PLCs, VFDs, Motors and Controls
    I have a 3ph 600 volt 5hp motor running a grinder. It takes roughly 5 minutes to stop when the stop button is pressed. I'm looking to wire up dynamic braking to stop the motor much quicker. What's size resisters should I use? Which wattage? After power is removed the voltage drops to 20 vac...
  2. PLCs, VFDs, Motors and Controls
    This is my first time here, I have less experience with VFD Choppers. Do these normally make noise while in DB action ? I found a few choppers making sound while doing chopping. Why does this occur ?
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