Three-phase LLC power supply circuit for high voltage bus input

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United States of America Patent

PATENT NO 11848616
APP PUB NO 20230155512A1
SERIAL NO

18155365

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A three-phase power supply circuit is provided. The power supply circuit includes three LLC resonant voltage convertors, three step-down transformers, and a bridge rectifier. Each step-down transformer includes a primary and secondary coil, and each primary and secondary coil has a first node and a second node. Each step-down transformer is electrically coupled with one of the three LLC resonant voltage convertors by the first and second nodes of the primary coils. The bridge rectifier is electrically coupled with the first node of the secondary coil of each of the three step-down transformers. The second nodes of the secondary coils of each of the three step-down transformers are electrically coupled together.

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Patent Owner(s)

Patent OwnerAddress
ASTEC INTERNATIONAL LIMITED14/F LU PLAZA 2 WING YIP STREET KWUN TONG

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sigamani, James Manila, PH 32 307

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