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If you want a modified sine-wave inverter then you must make a modified sine-wave inverter. You need a different transformer than a square-wave inverter because the peak voltage of a modified sine-wave is 1.414 times higher. It needs a digital logic circuit to make the modified sine-wave.
If you want an inverter with a pure sine-wave then you must make a very complicated pure sine-wave inverter circuit.
If you try to filter the output of a square-wave inverter with a 50Hz filter with a huge inductor and huge capacitor then the resistance of the inductor will reduce the output power. When the load is removed then the inductor and capacitor are series resonant and will short the output.
I am looking for something large to use as a backup for my whole house....
probably because the power density of storage batteries is so low, compared to that of a fossil fuel powered generator. Also the capital outlay and maintenence for the equivalent energy in the form of storage batteries is a lot more expensive than a tank of diesel/gas.Why are true sinewave inverters so scarce?
Hi all,
I need a circuit containing op-Amp(741) takes square wave as input and convert it into sine wave phase difference is acceptable
please tell
Sorry, no can do. That's the reason a square wave inverter is efficient and cheap.Hallow!
Would any one can provide a circuit that can be installed at output side of square wave inverter(500 watts) to convert it to sine wave output without losing its performances.
Thanks
Sorry, no can do. That's the reason a square wave inverter is efficient and cheap.
The best circuit to convert a square wave inverter output to sine wave would look much like a sine wave inverter.
It's really simple. Take the 230V square wave and put it into a transformer 230V to 18VAC. This will have approximately 16V square wave. Put this 16V square wave through a full wave rectifier and filter and get 14VDC. Put 14VDC into sine wave inverter.Would you provide circuit just to convert a square wave inverter's output to sine wave, either at any point with existing circuit & transformer ?
Rectify the square wave and send it to a sine wave inverter.anyone who thinks there is a way to convert the square wave output from an inverter to sine wave