No - the cap would be a very bad load to the controller, you risk blowing up the cap or the controller from the pulses. The use of a motor run cap is for 1-phase AC systems where the cap generates an out-of-phase voltage that is used to allow the motor to create a rotating magnetic field. The only other use I have seen for caps was to improve the Power Factor, both applications are on pure AC sine wave fed (direct grid connected) motors. For a motor on a controller this is not common, since the presence of the controller allows generating a signal that the motor is happy with. Buzzing does not mean that your motor is not happy, it means that something is moving - motor windings can move quite a bit and create noise unless the whole motor is dipped or wound with incredible precision. If this is a DC motor then there is not much you can do except making sure that the bruch advance is set correctly, you will notice excessive sparking if it is too much out of line. If this is a brushless motor, then check that the hal sensors are at the right position and not reversed compared to motor wire order but if the motor has good power that should not be the issue.
Success, Cor van de Water Chief Scientist Proxim Wireless Corporation http://www.proxim.com Email: [email protected] Private: http://www.cvandewater.com Skype: cor_van_de_water XoIP: +31877841130 Tel: +1 408 383 7626 Tel: +91 (040)23117400 x203 -----Original Message----- From: [email protected] on behalf of Peakfoto Digital Photo Still n Video Sent: Tue 4/8/2014 9:08 AM To: [email protected] Subject: [EVDL] controller/ wheel chater When pressing lightly on the throtle the bike wheel Buzzes, it turns fine, stop buzzing from 1/2 to full power. Do I need to put a motor start cap on it? to smooth out the pulsing? _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA) _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA)
