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Selecting DC Link Capacitor for BLDC Drive

A

Thread Starter

Abel Assegid

Joined Nov 5, 2007
13
Hi,
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.
 

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