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1. (WO2018138785) POWER-DISTRIBUTION-PATH PHASE-MANAGEMENT-ASSISTANCE METHOD AND POWER-DISTRIBUTION-PATH PHASE-MANAGEMENT-ASSISTANCE SYSTEM

Pub. No.:    WO/2018/138785    International Application No.:    PCT/JP2017/002405
Publication Date: Fri Aug 03 01:59:59 CEST 2018 International Filing Date: Wed Jan 25 00:59:59 CET 2017
IPC: G01R 29/18
G01R 25/00
G01R 31/02
Applicants: THE CHUGOKU ELECTRIC POWER CO., INC.
中国電力株式会社
Inventors: SAITO, Takeshi
齋藤 剛志
Title: POWER-DISTRIBUTION-PATH PHASE-MANAGEMENT-ASSISTANCE METHOD AND POWER-DISTRIBUTION-PATH PHASE-MANAGEMENT-ASSISTANCE SYSTEM
Abstract:
Provided are a power-distribution-path phase-management-assistance method and power-distribution-path phase-management-assistance system that are capable of simplifying the phase management of a high-voltage power distribution path. At a phase management point on a three-phase AC power distribution path, the voltage values of each line distributing three-phase AC and the noise components superposed on each line are detected, and the phases of each line at the phase management point are estimated from the mutual complementation of the voltage value detection results and the noise component detection results.