Automatic Shading Detection System for Photovoltaic Strings

Ma, Jieming, Bi, Ziqiang, Man, Ka Lok, Yue, Yong and Smith, Jeremy S ORCID: 0000-0002-0212-2365 (2018) Automatic Shading Detection System for Photovoltaic Strings. In: 2018 INTERNATIONAL SOC DESIGN CONFERENCE (ISOCC), 2018-11-12 - 2018-11-15, Daegu, Korea.

Text ISOCC_2018-final-revised.doc - Author Accepted Manuscript Download (10MB)

Abstract

Partial shading is one of the main factors that affect the output power of series-parallel photovoltaic (PV) strings. However, physical irradiance measurement instruments (e.g. pyranometers and pyrheliometers) are seldom used in commercial PV systems due to their high cost. This paper proposes an automatic shading detection system for estimating the shading rate by using voltage sensors. The main features of the proposed method are the utilization of a reduced number of sensors, a simple switching control strategy and the high detection rate. The feasibility and effectiveness of the proposed shading detecting system is validated through experiments.

Item Type:	Conference or Workshop Item (Unspecified)
Uncontrolled Keywords:	Partial shading scenarios, shading detection, photovoltaic systems
Depositing User:	Symplectic Admin
Date Deposited:	30 Jul 2019 09:15
Last Modified:	14 Mar 2024 17:51
DOI:	10.1109/isocc.2018.8649960
Related URLs:	Author Publisher
URI:	https://livrepository.liverpool.ac.uk/id/eprint/3050605