High voltage 70kV high power DC-DC resonant converter

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08:35:06

Be careful! 70 000 Volts on your smartphone ;).
Switch mode resonant transformer power supply. LEDs show transistors  control signals. Transistors ON time is tuned for half of the LC resonant circuit period. Full H-bridge support alternative positive and negative capacitance charging with 50 kHz frequency. High voltage rectifier gives DC output. Input is 563VDC, typical for 3-phase rectifier output voltage for european 400VAC grid.

published 11 years ago

Secuture

11 years ago

yay nice one :-) ...wonder how well will perform with thyristors

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