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Photovoltaics at Davidson College – a Community-Based Learning Project

Photovoltaics at Davidson College – a Community-Based Learning Project. 1. 2. 59. 60. Tim Gfroerer Davidson College, Davidson, NC 28035. 0.5 V. 0.5 V. 0.5 V. 0.5 V. 0.5 V. Load.

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Photovoltaics at Davidson College – a Community-Based Learning Project

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  1. Photovoltaics at Davidson College – a Community-Based Learning Project 1 2 59 60 Tim Gfroerer Davidson College, Davidson, NC 28035 0.5V 0.5V 0.5V 0.5V 0.5V Load In the Fall of 2012, our junior-level electronics class conducted an investigation of photovoltaics at Davidson College. We started by touring the new 100 KW installation on the campus sports complex. Then we employed a solar cart (built by the physical plant using a spare 240 W panel) to study the circuitry required to store and utilize solar energy. The cart facilitated an in-depth examination of the practical, electrical, environmental, and thermal issues inherent in photovoltaic energy conversion. We concluded the study with a public exhibit at the local (Town of Davidson) farmer’s market. Current Current Current The Rooftop ELECTRICAL CHARACTERISTICS THERMAL IMAGING 60 Devices in Series: I-V Curves Under Full Sun The Cart Some Devices Run Hotter: Device Number Hot! Which Devices Heat Up Most? Output Power vs. Load Maximum Power Point Tracker (optimizes load) Battery and Inverter (for AC output) Efficiency The Farmer’s Market Example Acknowledgement This project was supported by a curriculum development grant from the Center for Civic Engagement at Davidson College.

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