Title:
POWER CONVERSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/005205
Kind Code:
A1
Abstract:
According to an embodiment of the present invention, a power conversion device for controlling a DC voltage of a DC link may comprise a first diode, a second diode, a first switching element, a second switching element, a third switching element, and a fourth switching element, wherein: a cathode terminal of the first diode is connected to a positive terminal of the DC link; an anode terminal of the first diode is connected to one end of the first switching element and one end of the third switching element; the other end of the first switching element is connected to an alternating current terminal and one end of the second switching element; the other end of the second switching element is connected to one end of the second diode and one end of the fourth switching element; the other end of the second diode is connected to a negative terminal of the DC link; and the other end of the third switching element is connected to the other end of the fourth switching element and a neutral point of the DC link.
Inventors:
HAN TAE HEE (KR)
KIM JI HONG (KR)
LEE JI HEON (KR)
KIM HEE JUNG (KR)
KIM JI HONG (KR)
LEE JI HEON (KR)
KIM HEE JUNG (KR)
Application Number:
PCT/KR2021/008272
Publication Date:
January 06, 2022
Filing Date:
June 30, 2021
Export Citation:
Assignee:
LS ELECTRIC CO LTD (KR)
International Classes:
H02M7/219; H02J9/06; H02M1/00; H02M1/08
Foreign References:
| EP2779345B1 | 2015-05-06 | |||
| KR20190034861A | 2019-04-03 | |||
| KR101366393B1 | 2014-02-24 | |||
| KR101729146B1 | 2017-04-21 | |||
| US20120218785A1 | 2012-08-30 |
Attorney, Agent or Firm:
DAE-A INTELLECTUAL PROPERTY CONSULTING (KR)
Download PDF: