Title:
METHOD FOR CONTROLLING CONVERTER
Document Type and Number:
Japanese Patent JP3659214
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To decide whether a power supply source is a solar battery or not in a method for controlling a DC-DC converter.
SOLUTION: A control unit 7 changes the conduction ratio of a switching element 6, senses the voltage change of an input terminal 2 of the power supply source 1 by a voltage sensor 3, and decides whether the source 1 is the solar battery or not from the change history of the voltage. The control unit 7 can decide the source 1 without using another switching means.
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Inventors:
Tomoya Fujibo
Shinichiro Sumiyoshi
Masashi Sadahira
Kazuo Fujishita
Shinichiro Sumiyoshi
Masashi Sadahira
Kazuo Fujishita
Application Number:
JP2001333985A
Publication Date:
June 15, 2005
Filing Date:
October 31, 2001
Export Citation:
Assignee:
Matsushita Electric Industrial Co., Ltd
International Classes:
G05F1/67; H02M3/155; (IPC1-7): H02M3/155; G05F1/67
Domestic Patent References:
JP2001258160A | ||||
JP2001197730A | ||||
JP2000295706A | ||||
JP2000132251A | ||||
JP2000041340A | ||||
JP60043069A | ||||
JP11146567A | ||||
JP11122820A | ||||
JP5224282A |
Attorney, Agent or Firm:
Fumio Iwahashi
Tomoyasu Sakaguchi
Hiroki Naito
Tomoyasu Sakaguchi
Hiroki Naito