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Title:
POWER CONVERSION DEVICE AND CONTROL METHOD FOR SAME
Document Type and Number:
WIPO Patent Application WO/2019/092877
Kind Code:
A1
Abstract:
In order to obtain a power conversion device capable of stably operating, the power conversion device (101) is provided with an inverter (3) for converting an input DC power to an AC power and a control unit (6) for controlling the inverter (3), wherein said control unit (6) is provided with: a synchronous generator simulation calculation unit (11, 12) for performing calculations for simulating a synchronous generator; a DC voltage monitoring unit (9) for monitoring DC voltage (Vdc) input to the inverter (3); and a parameter value setting unit (10) for setting, in accordance with the DC voltage (Vdc), a parameter value (Vf) used in the synchronous generator simulation calculation unit (11, 12).

Inventors:
KIKUCHI Akira (6-6, Marunouchi 1-chome, Chiyoda-k, Tokyo 80, 〒1008280, JP)
LEE Chia Tse (6-6, Marunouchi 1-chome, Chiyoda-k, Tokyo 80, 〒1008280, JP)
ITO Tomomichi (6-6, Marunouchi 1-chome, Chiyoda-k, Tokyo 80, 〒1008280, JP)
Application Number:
JP2017/040705
Publication Date:
May 16, 2019
Filing Date:
November 13, 2017
Export Citation:
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Assignee:
HITACHI, LTD. (6-6 Marunouchi 1-chome, Chiyoda-ku Tokyo, 80, 〒1008280, JP)
International Classes:
H02M7/48; H02J3/38
Domestic Patent References:
WO2015075923A12015-05-28
Foreign References:
JP2013162623A2013-08-19
EP2822163A12015-01-07
JP2009225599A2009-10-01
JP2016220406A2016-12-22
Attorney, Agent or Firm:
ISONO INTERNATIONAL PATENT OFFICE, P.C. (Hulic Toranomon Building, 1-18 Toranomon 1-chome, Minato-k, Tokyo 01, 〒1050001, JP)
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