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Transformer secondary inductance Doubt

Posted by: mohan.n2293@gm… on

Hi Pi,

I'm using TOP258YN to design my 3 phase power supply ,i got primary inductance of 1225 uH for transformer which i have designed ,but my senior asked me to find the formulas to calculate find secondary winding inductance value please suggest me ,weather it is required or if it is required please guide me with suitable formala and application note

Comments

Submitted by PI-DATA on 01/03/2018

Hi mohan,
I am not sure why you need the secondary inductance since it is not usually computed.
What is usually computed is the secondary no. of turns. This is computed arbitrary to the voltage stress of the Secondary rectifier that you will be using and the voltage stress on primary switch.

You may also want to visit our online design for guidelines on the link below.
https://piexpertonline.power.com/site/login