L16 out.pptx [Last saved by user]web.eecs.utk.edu/~dcostine/ECE481/Fall2017/lectures/L16_out.pdf ·...
Transcript of L16 out.pptx [Last saved by user]web.eecs.utk.edu/~dcostine/ECE481/Fall2017/lectures/L16_out.pdf ·...
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Announcements
• Dr. Costinett out of town next weekhttp://www.ieee ecce.org/2017/
• Experiment 1 during class time Monday andWednesday
Meet in MK227Complete in groups of 2 3Lab report due Oct 13th (+ HW6)
• Form team and select one day (per team)https://doodle.com/poll/imn7mfqeght9xq4z
Lab Sequence• Hands on experience testing and controlling GaN based
converter• 3 lab sequence in modeling, open loop control and analysis,
and closed loop control• Define, Design, simulate, build
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Experiment 1
• Define the requirements on the powerelectronics to be designed throughout thesemester
• Characterize and find numerical parametersfor the modeling of a PV panel as a powersource
• Become familiar with use of lab equipment
Commercial Solar Cells
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PV Panel Technologies
http://www.nrel.gov/ncpv/images/efficiency_chart.jpg
Solar Irradiance
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Solar Indoors
Experiment 1: PV CharacterizationCharacteristic Shell ST10
Cell Strings 1Number of Cells 42
Cell Type thin-filmPeak Power 10 WPeak Voltage 25 VPeak Current 0.77 A
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Photogeneration
Review of Diode Modeling
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PV Cell Modeling
• PhotogenerationSemiconductor absorbs photons if hf > Egap
Simple PV Cell Equivalent Circuit
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PV Panel
Effect of Shading
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PV Hot Spotting
LTSpice Modeling
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Resources
• Review of semiconductor physicshttp://potenntial.eecs.utk.edu/About.php?topic=PowerSemiconductors
• LTSpicehttp://www.linear.com/designtools/software/http://ltwiki.org/LTspiceHelp/LTspiceHelp/D_Diode.htm
• Shell ST 10 Solar Panelhttp://www.solarelectricsupply.com/shell st10605