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Patent Searching and Data


Title:
POWER CONVERSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/180784
Kind Code:
A1
Abstract:
This uninterruptible power supply unit is provided with: a cooler (6) for dissipating heat from a converter (1) and an inverter (5); and a control device (8) which, when an output power (Po) of the inverter (5) has exceeded an upper limit value (PoH), decreases an input power (Pi) of the converter (1) by a difference power (ΔPo = PoH - Po) between the upper limit value (PoH) and the output power (Po), and increases an input power (Pb) of a bidirectional chopper (4) by a power (2 × ΔPo) of two times the difference power (ΔPo).

Inventors:
NISHIMURA, Kazuki (3-1-1 Kyobashi Chuo-k, Tokyo 31, 〒1040031, JP)
NAKANO, Toshihide (3-1-1 Kyobashi Chuo-k, Tokyo 31, 〒1040031, JP)
Application Number:
JP2018/010813
Publication Date:
September 26, 2019
Filing Date:
March 19, 2018
Export Citation:
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Assignee:
TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATION (3-1-1 Kyobashi, Chuo-ku Tokyo, 31, 〒1040031, JP)
International Classes:
H02J9/06; H02J3/32
Domestic Patent References:
WO2002061917A12002-08-08
WO2010106652A12010-09-23
Foreign References:
JP2003052134A2003-02-21
JPH0833336A1996-02-02
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (Nakanoshima Festival Tower West, 2-4 Nakanoshima 3-chome, Kita-ku, Osaka-sh, Osaka 05, 〒5300005, JP)
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