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학술지 Implementation of Cost-effective Wireless Photovoltaic Monitoring Module at Panel Level
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저자
정진두, 한진수, 이일우, 정정화
발행일
201810
출처
ETRI Journal, v.40 no.5, pp.664-676
ISSN
1225-6463
출판사
한국전자통신연구원 (ETRI)
DOI
https://dx.doi.org/10.4218/etrij.2017-0307
협약과제
18PH3100, 태양광 보급확대를 위한 국내 태양광발전시스템 빅데이터 기반의 유지관리비용 저감기술 개발, 이일우
초록
Given the rapidly increasing market penetration of photovoltaic (PV) systems in many fields, including construction and housing, the effective maintenance of PV systems through remote monitoring at the panel level has attracted attention to quickly detect faults that cause reductions in yearly PV energy production, and which can reduce the whole-life cost. A key point of PV monitoring at the panel level is cost-effectiveness, as the installation of the massive PV panels that comprise PV systems is showing rapid growth in the market. This paper proposes an implementation method that involves the use of a panel-level wireless PV monitoring module (WPMM), and which assesses the cost-effectiveness of this approach. To maximize the cost-effectiveness, the designed WPMM uses a voltage-divider scheme for voltage metering and a shunt-resistor scheme for current metering. In addition, the proposed method offsets the effect of element errors by extracting calibration parameters. Furthermore, a design method is presented for portable and user-friendly PV monitoring, and demonstration results using a commercial 30-kW PV system are described.
KSP 제안 키워드
Cost-effectiveness, Design method, Implementation method, Key points, Monitoring Module, PV Panels, PV energy production, PV monitoring, Photovoltaic Monitoring, Remote monitoring, User-friendly
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