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Thread: 1000w smps based on LUDO3232

  1. #291
    Yes maybe the input filter of your 1000 watt project pair mr.silvio, is that enough, ??DSC_0243.jpg

  2. #292
    .... Silvio's Avatar
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    I think it is not enough you need it with double coil like you see in pdf file is sent you

  3. #293
    I do not really understand, because I can not see the schematic in it. Just can see the picture there are some blue capacitors there that might make me confused

  4. #294
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    Here is the schematic

    Input filter.JPG

  5. #295
    How many watt resistor is 680k ?? Home electrical input without ground ,, does 222 / 1kv capacitor not need to change?

  6. #296
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    Quote Originally Posted by Upik View Post
    How many watt resistor is 680k ?? Home electrical input without ground ,, does 222 / 1kv capacitor not need to change?
    What do you mean you do not have a ground system? Does it mean that the electrical supply at home is 220vac and you do not have ground? That is very dangerous and it is against the law.

    If the hot wire is to touch a steel frame or something else it means that the whole thing becomes live and as soon as you touch it you will be electrocuted. This is insane

    The 680 ohm resistor wattage is only 0.25 watt will be enough. These resistors are is to discharge the capacitors in the filter after switch off otherwise as soon as you touch the plug it will shock you,

    The 1 kv capacitors are there to filter also EMI and must be included in the filter.

  7. #297
    Yeah mr.silvio ,, I mean the electricity to electronic device is only 2 cable (N & L).

  8. #298
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    Oh that is different story but you need the ground line to ground the center ground on the output for safety

  9. #299
    Quote Originally Posted by Silvio View Post
    Oh that is different story but you need the ground line to ground the center ground on the output for safety
    Is it like smp before it, or I have to create a different land line

  10. #300
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    Quote Originally Posted by Upik View Post
    Is it like smp before it, or I have to create a different land line
    Like mine

    Silvio

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