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problem with power supply current

Discussion in 'Troubleshooting and Repair' started by pheakdey, Apr 5, 2012.

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  1. pheakdey

    pheakdey

    1
    0
    Apr 5, 2012
    Hi Everyone
    There are some electronic use 110v current.
    but in my country is power is 220v.
    Question : How to modify power supply to use 220v?
    Thank beforehand.
     
  2. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,480
    2,827
    Jan 21, 2010
    Some devices may have a switch to select voltage.

    Others may accept a range of voltages (say 90 to 265V)

    Some others may require that you provide them with 110V (via a transformer typically)

    Also note that if your country has 50Hz AC and the device is designed for 60Hz, there may be some other problems. These tend to be minor unless the device uses the mains frequency for timing, or where you're operating a device in high ambient temperatures or at maximum load.
     
  3. davenn

    davenn Moderator

    13,782
    1,934
    Sep 5, 2009
    not really what he needs

    pheakdey..... what is the device ? what DC Voltage and current does it require ?
    since you havent told us, Steve's suggestions were practical with the limited info provided

    The only other suggestion I could add would be that once you have measured the DC Voltage the device is using ( if it indeed is0 and not just a lower AC Volyage from the existing transformer.... Tho even that would be helpful to know then we could suggest where you could look for an appropriate replacement transformer.....

    so.... more info would be great :)

    Dave
     
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