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This project aims to develop an advanced automated snow removal system for photovoltaic (PV) panels. The system leverages conductive heating ink to maintain surface temperatures above freezing, preventing snow accumulation. Current methods rely on manual labor or mechanical systems that fail under snowy conditions. Our goal is to create a robust, energy-efficient solution suitable for both small and large-scale applications. Key deliverables include a working prototype, design documentation, and integration strategies for manufacturing.
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P14421:Smart PV Panel Team Leader: Bobby Jones Sean Kitko Alicia Oswald Danielle Howe Chris Torbitt
Background Problem Statement Customer Needs Engineering Requirements System Analysis Concept & Architecture Development Engineering Analysis Risk Assessment Test Plan AGENDA
Advance Power Systems • Jasper Ball • Atlanta, GA • Snow reduces power output of PV panels • Develop method to prevent snow from accumulating in the first place • Apply current to conductive, heating ink • Keep temperature of panel surface above freezing • Sense presence of snow PROJECT BACKGROUND
Current State • Current snow removal techniques make use of manual labor or mechanical systems that can freeze up when needed. • Desired State • A robust, automated snow removal system that can be used for large and small scale PV applications. • Goals • Prevents snow accumulation • Easily incorporated into current manufacturing process • Used on single panels • Energy efficient PROBLEM STATEMENT
Primarily Focused on: • Heating Element Layout • Power Electronics • Control Electronics • Sensing Method and Evaluation • Secondary Focus: • Sensor Integration • Manufacturing Integration RE-FOCUSED SCOPE
Working prototype with ink, control and heating systems • Possible sensing methods • Test proof of capabilities • User and assembly manual • Design drawings • BOM • Edge documentation • MSD poster • Technical paper PROJECT DELIVERABLES
ThermaPAVER • Heat transfer solution • Uses pump to push heated water through tubing in pavement • PV collector to power pump • Warmzone • Electric Radiant Heating • Radiant heating cables installed under pavement • Hydronic System • Combination of hot water and antifreeze circulates through tubing in pavement • Both use an aerial snow sensor that detects temperature and precipitation BENCHMARKING
Manual Removal Possible Concepts
Test Ink • Verify heat dispersion, and ink durability • Test Control System • Verify appropriate output signal and system response • Test Battery • Verify battery life/performance and response to cold • Test Power/Charging Electronics • Verify power output and charging capabilities • Test Sensors • Test different sensing options • System Integration Test • Verify all subsystems operate together TEST PLAN OUTLINE