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Basic UPS Circuit

Posted by on Mar - 14 - 2009

Basic UPS Circuit circuit

The above diagram is a basic Uninterupted Power Supply (UPS) circuit. This is a very simple and inexpensive circuit.

This circuit can be adapted/modified for other regulated and unregulated voltages by using different regulators and batteries. For a 15 Volt regulated supply, you may apply two 12V batteries connected in series (it will become 24V) including a 7815 regulator (will be 15V stabilized voltage output). There is a lot of flexibility in this circuit.

The complete explanation you can view this page.

Categories: Power Electronics, Power Supply
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64 Responses so far.

  1. computer UPS says:
    August 17, 2011 at 11:53 am

    i need computer UPS circuit diagram help me..

  2. circuit diagram says:
    August 18, 2011 at 7:25 am

    you may try to find the computer UPS at http://powersupply88.com

  3. hafeez says:
    August 22, 2011 at 2:49 pm

    cntact me at eehafiz90@yahoo.com about transformer designing from low level to high level. even final year project regarding transformer

  4. HARI says:
    September 30, 2011 at 11:01 am

    i need full working principle of ups . that is i want to know how it is changing batteries. please,send me fast i need so much. thank you.

  5. Jiban Acharjee says:
    October 22, 2011 at 3:51 am

    please send me a complete circuit and schematic diagram of 600W UPS System and every detail about the UPS.Thank you

  6. babu dk says:
    October 23, 2011 at 12:18 am

    Hello sir i need ups circuit diagram of 100VA rating.Can u send me please?

  7. RAHIL SHAZ says:
    October 25, 2011 at 5:46 am

    i need circuits &working principal

  8. ashis says:
    December 22, 2011 at 9:31 am

    please help me. i need a ips circuit diagram.

  9. haris says:
    January 27, 2012 at 3:48 am

    apakah gk da blok diagram yg lbih jlas?
    pls send me
    thanks

  10. P.M.Khan says:
    March 14, 2012 at 10:26 am

    kindly send me 10kva ups circuit diagram

  11. arihant says:
    April 9, 2012 at 6:55 pm

    why is the battery not charging above 7V in a 12V UPS battery?

  12. sankar says:
    April 18, 2012 at 4:11 am

    i need 500w ups circuit diagram….

  13. Mahesh says:
    September 12, 2012 at 12:56 pm

    Hello sir 400 v ups circuit diagram plz send my email thank you

  14. wondale Bayeh says:
    March 17, 2013 at 4:24 am

    Hi Sir,How u? I need to do a project to develop a single phase PWM inverter for UPS application so please help me by telling the procedure and giving a circuit diagram. Thanks for all

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