《0_PVC_final_report》.pdf

Photovoltaic Power Converter Students: Thomas Carley Luke Ketcham Brendan Zimmer Advisors: Dr. Woonki Na Dr. Brian Huggins Bradley University Department of Electrical Engineering 5/10/12 Photovoltaic Power Converter ii Table of Contents Abstract iv Project Summary 1 Overall System Block Diagram 1 DC Subsystem 1 DC Subsystem Requirements 1 Boost Converter Description 2 Boost Converter Design Equations 2 Boost Converter Key Components 3 Photovoltaic Panel 4 Gate Driver 4 Other Key Components4 Circuit Layout 5 Boost Converter Simulations 6 Boost Converter Testing 7 Eliminating Voltage Spikes 8 Boost Converter Results 9 Maximum Power Point Tracking (MPPT) 11 Perturb and Observe (PO) 11 Incremental Conductance (IC) 13 Implementing MPPT 13 eZdsp F2812 Features 13 Voltage Sensing 13 Current Sensing 14 Simulink Modeling 15 Photovoltaic Power Converter iii MPPT and Soft Start Results 17 AC Subsystem 17 AC Inverter General Overview and Theory 17 Controlling the Inverter with the eZdsp 19 Gate Drive 22 LC Filter 23 Experimental Results 23 Conclusion 23 References 24 Photovo