Title:
POWER DEVICE PROTECTION APPARATUS
Document Type and Number:
WIPO Patent Application WO/2022/225223
Kind Code:
A1
Abstract:
The present invention relates to a power device protection apparatus. A power device protection apparatus according to an embodiment of the present invention comprises: a comparator which is connected to a power device, and determines whether an overcurrent of the power device occurs; and a control unit which controls the comparator so as to change, by software, a overcurrent reference value for determining whether the overcurrent occurs, wherein the control unit receives temperature information of the power device, changes the overcurrent reference value on the basis of the temperature information, and performs the overcurrent reference value change according to the temperature information, on the basis of the characteristics of the power device.
Inventors:
KANG SUNGHEE (KR)
SIM JUNGWOOK (KR)
SONG WOONGHYEOB (KR)
YUN DONGJIN (KR)
BAE CHAEYOON (KR)
SIM JUNGWOOK (KR)
SONG WOONGHYEOB (KR)
YUN DONGJIN (KR)
BAE CHAEYOON (KR)
Application Number:
PCT/KR2022/004730
Publication Date:
October 27, 2022
Filing Date:
April 01, 2022
Export Citation:
Assignee:
LS ELECTRIC CO LTD (KR)
International Classes:
H02H7/20; H02H3/00; H02H3/08; H02H5/04
Foreign References:
| JP2016039384A | 2016-03-22 | |||
| KR101911259B1 | 2018-10-24 | |||
| JP2014096891A | 2014-05-22 | |||
| JP6597213B2 | 2019-10-30 | |||
| US20150309090A1 | 2015-10-29 |
Attorney, Agent or Firm:
PARK, Jang-Won (KR)
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