Published On: June 11, 2023

J. Ma, A. Khoury, M. Rodgers, Evaluation of PV Snow Loss Models in the East Coast of Canada using AI Computer Vision, proceedings of 2023 IEEE 50thPhotovoltaic Specialists Conference (PVSC), Puerto Rico, USA.

Introduction

Quantification of operational snow loss and evaluation of snow loss models for ground mounted systems has been conducted in the literature for several high latitude inland locations in North America but there is limited information available on the level of snow loss expected for high latitude coastal sites with high wind conditions. This study explores the performance of existing snow loss models for the Wind Energy Institute of Canada’s (WEICan’s) site which has these characteristics using AI Computer Vision to detect site snow losses.
WEICan’s Solar Photovoltaic (PV) site description:

  • Fixed 30º tilt system
    85 monofacial and 187 bifacial panels
    1.14 AC : 1 DC ratio – no clipping losses.
    Northwest tip of PEI, Canada, with 15 m altitude, 300 degrees of ocean exposure, high winds and harsh winter conditions.

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