IGBT Chopper
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A useful thing to have for testing high voltage transformers is a simple chopper. This one switches a 600 V IGBT with an adjustable frequency between 50 Hz and 29 kHz (lower frequencies are possible with an external timing capacitor) and any duty cycle between 0 and 100%.
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![](/note/igbt_chopper/media/schematic_dark_hu383f0320fd1f2ce27b9d0bf1bd04fc05_14507_920x0_resize_q70_box_3.png)
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