{842} Single Switch "Forward-Converter" Topology

March 13, 2023
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in this video {842} Single Switch Forward Converter Topology, i explained the single switch offline forward converter topology, how forward converter works, it is isolated buck converter, using single switch, it can provide up to 250 watt output power. forward converter transfers energy directly the from the input source to the load
during the on-time of the power switch. During off-time of the power switch, the energy is freewheeling through the output inductor and the freewheeling diode. A forward converter can be made by single switch structure or with a double switch structure, according to the way the energy
stored in the transformer primary inductance is demagnetized.
forward converter is a transformer based isolated converter, it based on the basic buck converter topology. In a forward converter, a switch is connected in series with the transformer primary winding. The switch provides switching voltage at the transformer primary winding. normally step down transformer is used to step down the primary voltage, and provide isolation between the
input voltage source VIN and the output voltage VOUT. when the switch is ON for a period of t-on , the dot end of the winding becomes positive with respect to the non-dot end. Therefore, the output diode becomes forward-biased As the input voltage are applied across the transformer primary winding, the magnetizing current IM increases linearly from its initial zero value to a maximum value. The total current that flows through the primary winding is this magnetizing current plus the inductor current (IL) reflected on the primary side. in off period the tertiary winding or reset winding demagnetizes the core. and the freewheeling diode in output side provides load current, resultant of the collapsing magnetic field of the inductor

#forward #converter #topology
00:00 what is forward converter topology, and how forward converter works
00:26 forward converter basics
01:38 single switch forward converter circuit diagram
01:49 construction of forward converter transformer
03:00 function of forward converter explained
04:41 magnetizing current in forward converter
06:18 what is tertiary winding or reset winding in single switch forward converter



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Comments

  2. shefqet karalliu : March 13, 2023 at 6:06 am

    Ottimo spiegazione. 🤩🙏👍

  3. Electronic Passion : March 13, 2023 at 6:10 am

    it is interesting to know. It is well explained. 👍👏👋

  4. KMHO VLOG : March 13, 2023 at 6:27 am

    Like very interesting amazing wonderful informative video good job thanks 🙏 for sharing

  5. SARANGA JAYANETTI : March 13, 2023 at 6:35 am

    Dear Mr. Haseeb. I am from Sri lanka.I respect and gratitude for you, because you have done very valuable and superb tremendous service to the electronic field.Your endeavor is very very successful.I also have attempted to design boost converters, but i was unable to get regulated output voltage. In (no-load) condition, it was success. But it couldn't drive the load.(output voltage became zero level when load is connected).I hope your further clarification about this matter and calculations and design explanation about boost-converters in future videos. Thank You.

  6. Jan Ahmed : March 13, 2023 at 7:36 am

    good information thanks sir

  7. Simple Life : March 13, 2023 at 8:30 am

    Thank you very much brother a very clear and simple to understand thank you request for next level push pull topology
    Best regards from Philippines 🇵🇭

  8. quang hoàng : March 13, 2023 at 9:21 am

    👍👍

  9. Wesam Eed : March 13, 2023 at 9:50 am

    Thank you for good explanation
    I hope to see practical experiment

  10. Milorad Graovac : March 13, 2023 at 10:14 am

    Brother,all you have posted so far is for10 please your trnslation in SERBIAN.

  11. LousyPainter : March 13, 2023 at 11:08 am

    Excellent! I don't know a better word to describe this video. Thanks.

  12. Jay M : March 13, 2023 at 11:25 am

    Excellent as always! Thank you! A quick question: when switch is on and there is positive voltage on the cathode of the capacitor, does that not damage the capacitor?

  13. katechnician : March 13, 2023 at 12:41 pm

    are you from India?

  14. jesus c huerta : March 13, 2023 at 2:40 pm

    thank you for diagram and explanation.

  15. cristian santos : March 13, 2023 at 3:18 pm

    You are a good teacher !! Thank you, sir.

  16. peter Francis : March 13, 2023 at 4:11 pm

    Thanx nice 👍

  17. Tv Box : March 13, 2023 at 4:53 pm

    👌
    👍
    ✋

  18. Arun Karekar : March 13, 2023 at 8:12 pm

    You are my univercity….thanks a lot sir ji….

  19. Rods Bons : March 14, 2023 at 1:51 am

    sir i have a question?why is it when u measure amps. of the unit goes up when plug in small voltage than higher voltage.for ex. led tv wjen plug in in 110v is higher current than u plug in 220v.how is that happen?when ohms law said that voltage is directly proportional to amps.hope e make a video for it.

  20. Nazakat Hussain : March 14, 2023 at 12:30 pm

    Excellent

  21. idushan dilitha : March 14, 2023 at 5:29 pm

    Sir we want Gate Driver Transformer explain and how to winding Gate driver transformer ?

  22. Ministerio Mundial Liberando Naciones : March 15, 2023 at 4:49 pm

    Thank you and very well explained though in reality it is pretty much complicated.

  23. Wasantha Waldeniya : March 20, 2023 at 5:11 am

    Very simplified explanation,excellent teaching ability…..thanks

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