Title:
ZERO VOLTAGE SWITCHING CIRCUIT AND CONVERTER COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2021/210850
Kind Code:
A1
Abstract:
According to one embodiment of the present invention, a zero voltage switching circuit comprises: a zero voltage switching unit which forms a full-bridge circuit at the primary side of a converter and comprises a plurality of switches for zero voltage switching; an adjustable inductor which performs zero voltage switching in resonance with a parasitic capacitor of the zero voltage switching unit, and is adjusted according to control of a control unit; and the control unit which controls inductance of the adjustable inductor according to an input voltage of the zero voltage switching unit or an electric current flowing in the adjustable inductor.
More Like This:
Inventors:
BAE SU HO (KR)
Application Number:
PCT/KR2021/004440
Publication Date:
October 21, 2021
Filing Date:
April 08, 2021
Export Citation:
Assignee:
LG INNOTEK CO LTD (KR)
International Classes:
H02M1/08; H01F38/16; H02M1/00; H02M3/335
Foreign References:
| US20020054498A1 | 2002-05-09 | |||
| CN104901550A | 2015-09-09 | |||
| US20180301997A1 | 2018-10-18 | |||
| KR20180029713A | 2018-03-21 | |||
| US20160013657A1 | 2016-01-14 |
Attorney, Agent or Firm:
JIN, Cheon Woong et al. (KR)
Download PDF: