Title:
CLLC DC-DC CONVERTER
Document Type and Number:
WIPO Patent Application WO/2023/050216
Kind Code:
A1
Abstract:
A CLLC DC-DC converter (100), comprising a first power switch (Q1), a second power switch (Q2), a third power switch (Q3), a fourth power switch (Q4), a first resonant inductor (Lr1), a first resonant capacitor (Cr1), and an excitation inductor (Lm) that are on a primary side, a fifth power switch (Q5), a sixth power switch (Q6), a seventh power switch (Q7), an eighth power switch (Q8), a second resonant inductor (Lr2), and a second resonant capacitor (Cr2) that are on a secondary side, and a transformer (T1) connecting the primary side and the secondary side. The first resonant inductor (Lr1) comprises a first inductor array composed of a plurality of inductors; the second resonant inductor (Lr2) comprises a second inductor array composed of a plurality of inductors; the first resonant capacitor (Cr1) comprises a first capacitor array composed of a plurality of capacitors; the second resonant capacitor (Cr2) comprises a second capacitor array composed of a plurality of capacitors.
Inventors:
WANG HUIJIN (CN)
ZHAO YANFENG (CN)
ZHAO YANFENG (CN)
Application Number:
PCT/CN2021/121928
Publication Date:
April 06, 2023
Filing Date:
September 29, 2021
Export Citation:
Assignee:
SIEMENS AG (DE)
SIEMENS LTD CHINA (CN)
SIEMENS LTD CHINA (CN)
International Classes:
H02M3/28
Foreign References:
| CN111641339A | 2020-09-08 | |||
| CN110277820A | 2019-09-24 | |||
| CN112821771A | 2021-05-18 | |||
| CN105245035A | 2016-01-13 |
Attorney, Agent or Firm:
KANGXIN PARTNERS, P.C. (CN)
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