High frequency excitation system

Electric power conversion systems – Current conversion – Using semiconductor-type converter

Reexamination Certificate

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Details

C363S017000, C363S098000

Reexamination Certificate

active

07440301

ABSTRACT:
A power module is adapted to be connected to a voltage source and to supply power to a load. The power module includes a switching bridge that includes a first power transistor and a second power transistor, a first gate controller for driving the first power transistor and a second gate controller for driving the second power transistor. The first gage controller includes a first gate transformer, and a leakage inductance of the first gate transformer forms a resonant circuit with an input capacitance of the first power transistor. The second gate controller includes a second gate transformer, and a leakage inductance of the second gate transformer forms a resonant circuit with an input capacitance of the second power transistor.

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