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theimperia said:This is how I see it. Someone to confirm?
theimperia said:Then, you just take their product (and you might divide by square root of 2 to get RMS values). The result would be the power of the winding, in VA.
theimperia said:About the number of windings, I'm not sure but I think that you should look into power transfer.
theimperia said:Say, your transformer has 70% efficiency.
theimperia said:If you put 10V on the primary with 10 windings and you take the output at the secondary with 100 windings, the output voltage will be 1V. The current will be bigger though.
audioguru said:If the 2000W inverter operates at 80% efficiency, it draws 2500W from the battery. Therefore the low voltage winding must have wire thick enough to carry 208A from a 12V battery.
elijah said:THE INVERTER IS A 12VDC TO 220VAC,2000W.I NOW WANT TO KNOW HOW MANY AMPS THAT FLOWS IN SUCH AN INVERTER.
audioguru said:If the 2000W inverter operates at 80% efficiency, it draws 2500W from the battery. Therefore the low voltage winding must have wire thick enough to carry 208A from a 12V battery. BIG wire.
elijah said:HI,
AM GRATEFUL AND HAPPY TO ALL OF YOU THAT CONTRIBUTED TO SEE TO MY SUCCESS IN BUILDING MY INVERTER.IT IS TRUE THAT I DID NOT SPECIFY SOME RELEVANT PONITS .
THE INVERTER IS A 12VDC TO 220VAC,2000W.I NOW WANT TO KNOW HOW MANY AMPS THAT FLOWS IN SUCH AN INVERTER.MOST IMPORTANTLY WANT ARE THE THINGS THAT I SHOULD GIVE DUE CONSIDERATIONWHILE BUILDING THIS KIND OF INVERTER.YOUR HELP IS NEEDED.
Nigel Goodwin said:As I mentioned previously (and as everyone else has also mentioned), 2000W from a 12V supply isn't practical - due to the massive currents required!. To provide these currents would require multiple batteries, so why not place the batteries in series?, rather than parallel, and run from a higher voltage.