Title:
POWER SUPPLY CIRCUIT PROTECTING METHOD AND APPARATUS FOR THE SAME
Document Type and Number:
WIPO Patent Application WO/2006/038544
Kind Code:
A1
Abstract:
This invention relates to a power supply circuit protecting method and a power supply circuit protecting apparatus. The apparatus is provided with a power supply circuit (3) for converting a voltage from a three-phase alternating current inputting power supply (1) into a prescribed voltage, and an output operation circuit (6) for performing a prescribed operation by having an output voltage from the power supply circuit (3) as input. In the apparatus, based on a current value on the input side or the output side of the power supply circuit (3), abnormality of the supply voltage is judged, and when there is an abnormality, the output operation circuit (6) is controlled.
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Inventors:
Kawashima, Reiji (C/O DAIKIN INDUSTRIES LTD, Shiga Seisakusho, 1000-2, Aza Ootani, Okamoto-ch, Kusatsu-shi Shiga 44, 52500, JP)
Application Number:
PCT/JP2005/018086
Publication Date:
April 13, 2006
Filing Date:
September 30, 2005
Export Citation:
Assignee:
DAIKIN INDUSTRIES, LTD. (Umeda Center Building, 4-12 Nakazaki-Nishi 2-chome, Kita-ku, Osaka-sh, Osaka 23, 53083, JP)
Kawashima, Reiji (C/O DAIKIN INDUSTRIES LTD, Shiga Seisakusho, 1000-2, Aza Ootani, Okamoto-ch, Kusatsu-shi Shiga 44, 52500, JP)
Kawashima, Reiji (C/O DAIKIN INDUSTRIES LTD, Shiga Seisakusho, 1000-2, Aza Ootani, Okamoto-ch, Kusatsu-shi Shiga 44, 52500, JP)
International Classes:
H02M7/537; H02M5/45
Attorney, Agent or Firm:
Tsugawa, Tomoo (Lions Mansion Noe No.1201, 7-7 Chuo 2-chome, Joto-k, Osaka-shi Osaka 05, 53600, JP)
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