Title:
POWER SYSTEM AND METHOD FOR CONTROLLING POWER SYSTEM
Document Type and Number:
WIPO Patent Application WO/2022/107583
Kind Code:
A1
Abstract:
This power system comprises a central control device that executes secondary control to control a plurality of power converters, and the plurality of power converters, each including: a power conversion unit that converts and outputs power that has been input; a control unit that executes output control, which is primary control, by controlling the power conversion unit on the basis of a reference function that includes a drooping characteristic defined in accordance with an input value, and the voltage or power of a bus to which the power conversion unit is connected; and an updating unit that updates an output control method. The central control device performs secondary control on the power converters by update commands to update the control method. The updating units update the control method in accordance with the update command output from the central control device. During a period in which the plurality of power converters update the control method, the control method is updated in such a manner that there is always at least one power converter performing voltage control among the plurality of power converters.
Inventors:
RIKISO MASAHIRO (JP)
ABE ASUKA (JP)
ABE ASUKA (JP)
Application Number:
PCT/JP2021/040275
Publication Date:
May 27, 2022
Filing Date:
November 01, 2021
Export Citation:
Assignee:
FURUKAWA ELECTRIC CO LTD (JP)
International Classes:
H02J13/00; H02J1/00
Domestic Patent References:
| WO2019103059A1 | 2019-05-31 | |||
| WO2019103059A1 | 2019-05-31 |
Foreign References:
| US20170110880A1 | 2017-04-20 | |||
| JP2017212785A | 2017-11-30 | |||
| JP2018029408A | 2018-02-22 | |||
| JP2016010252A | 2016-01-18 | |||
| JP6371603B2 | 2018-08-08 | |||
| JP2018029408A | 2018-02-22 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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