- Dec 6, 2013
I read where some Tesla owners had questioned surging/vibration at a certain speed. their tech support said it was normal with induction motors. it was something about magnet motor poles jerking on the rotor as the controller fires them off. Slanting the rotor bars in the induction motor design buffers this but is less effective at certain rpm because of some geometric anomilie between rotor and controllers rotating magnetic field . The motor moving in step can jerk wheel back and forth such as it pulls one way aceleration and other engine brake.
Tritium ws 200 manual says having wrong weight in programing can cause oscelation with control loop. dont know if it applys not familiar with your setup
hope this helps
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