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Title:
POWER SUPPLY DEVICE AND METHOD FOR ESTIMATING LIFE THEREOF
Document Type and Number:
Japanese Patent JP2008086113
Kind Code:
A
Abstract:

To provide a power supply device to inspect a system as desired at a regular inspection or the like without carrying out regular life estimation using a dedicated auxiliary circuit and to inspect each parts in detail and maintain each the part.

The power supply device uses AC voltage as input and has a smoothing capacitor for smoothing the input voltage. The smoothing capacitor is provided at both ends with a pair of monitor terminals for externally measuring a rush current to the smoothing capacitor produced when power is turned on.


Inventors:
SADAYUKI KENTARO
Application Number:
JP2006262441A
Publication Date:
April 10, 2008
Filing Date:
September 27, 2006
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
H02M7/06; G01R31/00; H02M3/28
Domestic Patent References:
JP2000060145A2000-02-25
JP2004096832A2004-03-25
JP2005160214A2005-06-16
JP2003297670A2003-10-17
JP2001286146A2001-10-12
JP2006129564A2006-05-18
JPS62107593A1987-05-18
Attorney, Agent or Firm:
Masuo Oiwa
Toshihide Kodama
Takenaka Ikuo
Keigo Murakami



 
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