DC POWER DISTRIBUTION SYSTEM, CONTROL DEVICE, ANOMALY DETECTION METHOD, AND PROGRAM

WIPO Patent Application WO/2022/044169

A1

This DC power distribution system uses DC current to distribute power from a power distribution-side site to one or more power reception-side sites via a power distribution network, said DC power distribution system comprising a control device and measurement instruments respectively provided at the power distribution-side site and at the one or more power reception-side sites, wherein the control device is provided with: a calculation unit that acquires voltage values and current values measured by the measurement instruments and that calculates an output-side power sum, which is the sum of power output from the power distribution-side site, a power reception-side power sum, which is the sum of power input to the one or more power reception-side sites, and a sum of loss between the power distribution-side site and the one or more power reception-side sites; and a control unit that detects an anomaly in the power distribution network by comparing the output-side power sum with the total of the power reception-side power sum and the sum of loss.

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HANAOKA NAOKI (JP)
TAKADA HIDETOSHI (JP)
TANAKA TOSHIMITSU (JP)
NAKAMURA NAOMICHI (JP)

PCT/JP2020/032212

March 03, 2022

August 26, 2020

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NIPPON TELEGRAPH & TELEPHONE (JP)

H02J13/00; H02H3/16; H02J1/00

JP2018161027A	2018-10-11
JP2006288099A	2006-10-19
JPH05268717A	1993-10-15
JP2001251751A	2001-09-14

ITOH, Tadashige et al. (JP)

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