Jump to content

Inrush Resistor Calculation


Garat

Recommended Posts

Hello to all,

 

I am designing a VFD of 10KW rating. I want to know, how to select the inrush resistor.Is there any design method is available.

 

My capacitor bank is 2200ufd/450V 4 nos ( 2sets of 2 capacitors in series). Input voltage is 3 -phase up to 500V ac.

 

Right now I am using a 500 ohms/25W resistor, but at higher input voltages, the resistor is getting hot.

 

Please any body knows the selection criteria of Inrush resistor.

 

Garat

Link to comment
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
×
×
  • Create New...