Group 211 Maximum Power Point Tracker

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Group 211Maximum Power Point Tracker

• Kelly Ebeling
• Scott Harms
• Advisor Professor Yuvarajan

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Introduction

• Background
• Previous Work
• Requirements
• Block Diagram
• Testing
• Timeline

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Project Description
The goal of this project is to maximize the power
transfer between a solar array and load.
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Previous Work

• Outback MX60
• 60A _at_ 125V Max
• Programmable Output
• around 500
• Trace C60
• 35A _at_ 60V Max
• 12/24 V output
• around 150

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Previous Work (cont.)

• Senior Design Projects

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Requirements

• Input 170 Volt Array, 600 Watts
• Output utilized for charging 24 Volt battery
  system
• Concentration on maximum power extraction

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Requirements (cont.)

• Concentration on maximum power extraction
• Empirical Methods
• Adaptive Methods

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Block Diagram
Array
Current Measuring
Voltage Measuring
DC Supply
Buck Converter
Microprocessor
Load
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Testing

• Input/Output testing of the software
• Test maximum power point with a current limited
  power supply
• Verify DC power supply
• Verify current and voltage sensing circuitry

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Timeline
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Conclusion

• Achieve MPPT
• 170V 600W

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Questions?