20Khz-arc-welding-inverter


Posted on Feb 18, 2013

The Class A series resonant inverter portrayed is well-known and respected for its high efficiency, low cost, and small size, provided that operating frequency is greater than about 3 kHz.


20Khz-arc-welding-inverter
Click here to download the full size of the above Circuit.

The disadvantages are, at least in high power versions, the difficulty in effecting smooth RFI-free output voltage modulation




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