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1. (WO2017038144) MONITORING DEVICE, COLLECTION DEVICE, MONITORING SYSTEM, AND MONITORING METHOD

Pub. No.:    WO/2017/038144    International Application No.:    PCT/JP2016/060748
Publication Date: Fri Mar 10 00:59:59 CET 2017 International Filing Date: Fri Apr 01 01:59:59 CEST 2016
IPC: H04B 3/54
H02J 13/00
Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD.
住友電気工業株式会社
Inventors: ASAO, Yoshihisa
浅尾 芳久
Title: MONITORING DEVICE, COLLECTION DEVICE, MONITORING SYSTEM, AND MONITORING METHOD
Abstract:
A monitoring device according to one embodiment of the present invention, which is a monitoring device of a monitoring system that is used in a solar photovoltaic power system in which output lines from a plurality of solar cell panels are aggregated and the aggregated line is electrically connected to a power conversion device, comprises: sensors that measure the current or voltage of the output lines; and a communication unit that can transmit and receive data via the aggregated line, and that transmits measurement data indicating the sensor measurement results to a collection device, which collects the measurement results of a plurality of monitoring devices. The communication unit can perform relay processing wherein measurement data is received from another monitoring device and transmitted to the collection device.