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Solar Panel Protection System

Walmart sued Tesla due to solar panel failures.
● Seven roof fires at different locations.
● Detecting solar panel failures can help
prevent

WIZnet

Published October 04, 2022

Original author: Douglas J. Lee, Dillon Vadgama, Sachin Reddy · IndiaOriginal source (new tab)

Solar Panel Protection System

Components

Hardware components

WIZnet parts

Project description

Problem

 ● 60 research solar panels 

● None are in use 

● They do not have ANY protection systems in place currently

Solar Panel Protection System

Solar Panels Without Protection Systems 

● Walmart sued Tesla due to solar panel failures.

 ● Seven roof fires at different locations. 

● Detecting solar panel failures can help prevent catastrophes

Solar Panel Protection System
Solar Panel Protection System
Solar Panel Protection System
Solar Panel Protection System

Objectives 

● Disconnect the solar panel if failure conditions occur 

○ Over-current ○ Over-voltage ○ Over-heating 

● Remote monitoring of system parameters over Ethernet ○ Voltages ○ Current ○ Power ○ Temperatures

Solar Panel Protection System

Design - Subsystem Requirements 

● The switching subsystem must output the configurations shown below 

● Default State - Not Connected 

● Capable of delivering the maximum voltage and current of the solar panel.

Solar Panel Protection System

Conclusion 

● Project was a success! ○ Customer was more than satisfied 

● Tentative plans for 60 units to be installed next Spring

Solar Panel Protection System

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