Please note to reply#5 and below figure. 1) MPL (average of magnetic flux length) 2) N (number of winding turns) 3) Bs ( refer to reply#5) 4) B1 ( refer to reply#5) 
Reply To: Transformer Question No.34 – Designing of choke/reactor
Please note to reply#5 and below figure. 1) MPL (average of magnetic flux length) 2) N (number of winding turns) 3) Bs ( refer to reply#5) 4) B1 ( refer to reply#5)