Title:
POWER FACTOR CORRECTION CONVERTER AND SWITCH POWER SOURCE
Document Type and Number:
WIPO Patent Application WO/2024/046431
Kind Code:
A1
Abstract:
Provided in the present disclosure is a power factor correction converter, comprising a coupling inductor and N phases of boost circuits, wherein the N phases of boost circuits are connected in parallel, and the coupling inductor comprises an inductor string and N main inductors; the N main inductors respectively correspond to the N phases of boost circuits; the inductor string comprises an independent coupling inductor and at least one auxiliary inductor, which are connected in series; two ends of the inductor string are turned on and are electrically connected to a reference-signal end; a first end of each main inductor is electrically connected to one end of a power source or one end of a rectifier bridge, and a second end of the main inductor is electrically connected to a corresponding boost circuit; at least one of the main inductors is coupled to the at least one auxiliary inductor; the main inductors and the auxiliary inductors, which correspond to each other, are wound on the same magnetic core; and N is an integer greater than 1. Further provided in the present disclosure is a switch power source.
Inventors:
HE WEI (CN)
ZHANG BIN (CN)
CHEN CHANGQING (CN)
ZHU CONG (CN)
ZUO ZHILING (CN)
ZHANG BIN (CN)
CHEN CHANGQING (CN)
ZHU CONG (CN)
ZUO ZHILING (CN)
Application Number:
PCT/CN2023/116219
Publication Date:
March 07, 2024
Filing Date:
August 31, 2023
Export Citation:
Assignee:
ZTE CORP (CN)
International Classes:
H02M1/42; H02M3/04
Foreign References:
| CN103312153A | 2013-09-18 | |||
| CN101795058A | 2010-08-04 | |||
| CN101567255A | 2009-10-28 | |||
| US20180138809A1 | 2018-05-17 |
Attorney, Agent or Firm:
TEE & HOWE INTELLECTUAL PROPERTY ATTORNEYS (CN)
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