{843} Two Switch Forward Converter Topology
in this video {843} 2 Two Switch Forward Converter Topology or two-transistor forward converter design, i explained that it is almost similar to single switch forward converter topology except that it don’t have tertiary or reset winding, and it contains two switching devices. so that maximum voltage stress of the switch in a forward converter can be limited to a value equal to the input voltage, both switches Q1 and Q2 are controlled by the same gate drive signal. In the
turn on time when the switches Q1 and Q2 are ON for a TON period, the input voltage VIN is applied to the transformer primary. During the TON period, the magnetizing current plus the reflected output inductor current flows through the transformer primary and the switches Q1 and Q2.
At the end of the ON period, when the switches are turned OFF, the flux stored inside the magnetic core induces a voltage in the reverse direction to the transformer primary winding, which forward-biases the diodes D1 and D2, and provides a path to the magnetizing current to reset the core. The voltage VIN is applied across the transformer primary winding in the
reverse direction. If there is no leakage inductance in the transformer T1, the voltage across primary winding would be equal to VIN, and the maximum blocking voltage across the switch is VIN. When the magnetizing current reaches zero, diodes D1 and D2 become reverse-biased and remain zero for the rest of the switching period. The secondary side operation of the two-switch forward converter is the same as the operation of single switch forward converter explained in my last video number 842 https://youtu.be/pTqIrRa7Fgg
#forward #converter #topology
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00:00 single and 2 switch forward converter topology explained
01:30 two switch forward converter circuit
02:20 two transistor forward converter primary side configuration
seo grundlagen 2023
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May 22, 2023
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How to trace flyback smps output section and repair
Thanks 👍 teach
Every time you draw and explain a circuit to your subscribers, I can Only hope that they appreciate your time.
Thanks brother for sharing this informative video
Amazing video. Please explain soft switching (LLC) and hard switching.
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Informative and knowledgeable vedeo. Your all vedeos are rare. Thank you so much. God bless you.
Thanks for explanation. If you can make video about half bridge it would be awesome.
Hola . tus clases son de lo mejor , Muchas Gracias !!!!!👍👍👍
BRATE svaka cast na tao lepom objsnjenju Veliki Pozdrav
Please share the video ad9850 module in Urdu language.
Thank you for demystifying switching power supply's. Years ago when we took in a piece of equipment in the lab I worked in, if it had a switcher in it everybody would roll their eyes and try to get the next guy to work on it. If had had some of the knowledge you've provided in a lot of your videos I would of been the guy saying …I'll work on that !
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Thank you for this series! A lot to learn. Have a great day!
Excellent
Very good and useful information sir thanks for sharing this knowledge to us
wow nice explanation
Mr hseeb pplease explain the self oscillating smps i mean using 2transistors in switching instead of pwm ic with trnsistor
Thanks.
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Hi Sir, thanks so much for the very informative lessons . In a lesson, can you please do a video of how a 2 plug cdi switching works, please Thanks
As usual, excellent explanation video. Thanks