POWER CONVERSION DEVICE AND POWER CONVERSION SYSTEM

Title:

POWER CONVERSION DEVICE AND POWER CONVERSION SYSTEM

Document Type and Number:

WIPO Patent Application WO/2021/001931

Kind Code:

A1

Abstract:

This power conversion system is provided with a plurality of power conversion devices and a server connected to each of the plurality of power conversion devices. The plurality of power conversion devices are each provided with: a power conversion circuit interconnecting with a power system; a calculation unit for calculating, on the basis of the output current and output voltage of the power conversion circuit, information of at least one of the reactive power and reactive current output by the power conversion circuit; a storage unit including a storage device and storing, in the storage device, time-series reactive power information that is information in which time and the information of at least one thereof calculated in the calculation unit are associated with each other; and a communication interface for transmitting the time-series reactive power information stored in the storage device to the server. The server is structured so as to collect the time-series reactive power information of each of the plurality of power conversion devices via the communication interface.

Inventors:

UMENO CHIEKO (JP)
AMBO TATSUAKI (JP)

Application Number:

PCT/JP2019/026318

Publication Date:

January 07, 2021

Filing Date:

July 02, 2019

Export Citation:

Click for automatic bibliography generation Help

Assignee:

TOSHIBA MITSUBISHI ELEC IND (JP)

International Classes:

H02M7/48; G05F1/70; H02J3/00; H02J3/18

Domestic Patent References:

WO2009078072A1

2009-06-25

Foreign References:

JP2015180125A	2015-10-08
JP2017099039A	2017-06-01
JP2017118643A	2017-06-29

Other References: