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Patent Searching and Data


Title:
POWER SUPPLY APPARATUS
Document Type and Number:
WIPO Patent Application WO/2019/065472
Kind Code:
A1
Abstract:
A power supply apparatus includes a rectifier configured to convert AC power supplied from an AC power supply into DC power, a smoothing unit configured to smooth the DC power, an inverter configured to convert the DC power smoothed by the smoothing unit into the AC power, and an abnormality detection unit configured to detect an abnormality. The smoothing unit includes a capacitor connected in parallel to an output of the rectifier, a discharge resistor configured to discharge the capacitor, and a switching device connected in series to the discharge resistor. The switching device is closed when an abnormality is detected by the abnormality detection unit, and the capacitor is discharged by the discharge resistor when the switching device is closed.

Inventors:
KANAI Takahiko (17-1, Higashi-gotanda 2-chome, Shinagawa-k, Tokyo 39, 〒1418639, JP)
YOSHIDA Haruki (17-1, Higashi-gotanda 2-chome, Shinagawa-k, Tokyo 39, 〒1418639, JP)
Application Number:
JP2018/034913
Publication Date:
April 04, 2019
Filing Date:
September 20, 2018
Export Citation:
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Assignee:
NETUREN CO., LTD. (17-1, Higashi-gotanda 2-chome Shinagawa-k, Tokyo 39, 〒1418639, JP)
International Classes:
H02H7/12; H02M1/32; H02M5/458; H02J50/10; H05B6/02
Foreign References:
EP2566032A12013-03-06
EP3089343A12016-11-02
EP1933449A12008-06-18
US20100149844A12010-06-17
JPH02269479A1990-11-02
US20140210260A12014-07-31
DE112012005937T52014-12-24
JP3419641B22003-06-23
JP2017185140A2017-10-12
Attorney, Agent or Firm:
KOH-EI PATENT FIRM, P.C. (Toranomon East Bldg. 9F, 7-13 Nishi-Shimbashi 1-chome, Minato-k, Tokyo 03, 〒1050003, JP)
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