Selecting DC Link Capacitor for BLDC Drive

Discussion in 'The Projects Forum' started by Abel Assegid, May 6, 2010.

  1. Abel Assegid

    Thread Starter Member

    Nov 5, 2007
    I am selecting DC Link Capacitor for BLDC Drive powered from a DC Battery. I have the following information. The max Power(Pmax), The max and min battery voltages ,Inductance of the Coil(L) and The Max Duty cycle. I want some help regading the ripple current rating of the DC Link capacitor. How can I calculate the vaue of ripple rating? Any suggestion will be helpful. I have attached the scematics that I intend to use.

    Thank You.