Title:
CONTROL DEVICE, ELECTRONIC APPARATUS, AND CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2023/286233
Kind Code:
A1
Abstract:
This control device (14) controls a switching element (SW1) which is connected to a conductor (20) and switches the conductor (20) between conducting and non-conducting states by means of a switching action. The control device (14) includes an element control unit (22) and a current value measurement unit (23). When a target duty factor is a positive number less than 1, the element control unit (22) turns on the switching element (SW1) only for the time determined by the switching period and the duty factor for detection, which is a value of 1 or less that is higher than the target duty factor in at least one switching period. The current value measurement unit (23) measures the value of the direct current flowing through the conductor (20), from a current detection value (I1) which is digital data generated by detecting a current sensor signal output by a current sensor (CT1) in each sampling cycle independent of a switching cycle.
Inventors:
YOSHIDA YUKI (JP)
OTSUBO MICHIO (JP)
OTSUBO MICHIO (JP)
Application Number:
PCT/JP2021/026590
Publication Date:
January 19, 2023
Filing Date:
July 15, 2021
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02P27/06
Domestic Patent References:
| WO2019049188A1 | 2019-03-14 |
Foreign References:
| JP2011130619A | 2011-06-30 | |||
| JP2007255884A | 2007-10-04 | |||
| JP2003018877A | 2003-01-17 |
Attorney, Agent or Firm:
KIMURA Mitsuru (JP)
Download PDF: