GATE DRIVE CIRCUIT OF POWER CONVERTER
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United States of America
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Apr 3, 2025
app pub date -
Mar 3, 2023
filing date -
Mar 3, 2023
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Abstract
A gate drive circuit of a power converter includes semiconductor devices connected in series and pulse transformers, each of which includes a primary winding and a secondary winding. The primary windings of the pulse transformers are connected in series; the secondary windings of the pulse transformers are respectively connected to the semiconductor devices directly or indirectly; and the pulse transformers establish insulation between a primary side and a secondary side of the pulse transformers, while transmitting electric power or electric power and control signals from the primary side to the secondary side. Auxiliary windings are provided that establish magnetic coupling between the pulse transformers.
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