Design a fly back converter for an input of 24 V and output of 40 W at 40 V. Assume initial duty ratio of the switch to be 0.4, Operating frequency to be 100kHz. Net change in inductor current to be 40 percent of average inductor current.


Warning: Trying to access array offset on false in /home3/indiakep/public_html/wp-content/plugins/dw-question-answer/inc/Template.php on line 8
All Questions › Category: Power Electronics › Design a fly back converter for an input of 24 V and output of 40 W at 40 V. Assume initial duty ratio of the switch to be 0.4, Operating frequency to be 100kHz. Net change in inductor current to be 40 percent of average inductor current.
0 Vote Up Vote Down
chetan shidling asked 5 years ago

Answer the following
Specify the transformer turns ratio (rounded answer) 

2 Answers
0 Vote Up Vote Down
chetan shidling answered 5 years ago

2.5 –> 3

0 Vote Up Vote Down
chetan shidling answered 5 years ago

The recalculated duty ratio of the switch is (up to three decimals places only) – 0.357
 
Average magnetizing inductor current (up to two decimal places) in Ampere – 4.66 A
 
The value of magnetizing inductance in µH (up to two decimal points only) – 45.9165 uH