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PVMD Delft University of Technology Learning objectives 1. PV - PowerPoint PPT Presentation

Apr 17, 2023 •170 likes •238 views

IV Curve from Cell to Module Part 1 Olindo Isabella PVMD Delft University of Technology Learning objectives 1. PV module design 2. Electrical properties 1. IV curve from cell to module Ideal module Non-ideal module

  1. IV Curve from Cell to Module Part 1 Olindo Isabella PVMD Delft University of Technology

  2. Learning objectives 1. PV module design 2. Electrical properties 1. IV curve from cell to module • Ideal module • Non-ideal module • Mismatching 2. Shading and diodes

  3. Cell I-V curve Open circuit voltage 1. V OC Dark 2. Voltage [V] V MPP I MPP 3. Illuminated I-V curve 4. Maximum power point MPP 5. Short circuit current I SC

  4. Ideal Module I-V curve ( ) ì ü I [A] é ù q V / N = × - × - I M I M I exp T 1 í ý ê ú T SC 0 × × ë n k T û î þ M·I SC Module M = numbers of cells in parallel N = numbers of cell in series I SC Cell n = single cell ideality factor Single cell I SC = short-circuit current ideality factor I 0 = saturation current V [V] V OC N·V OC

  5. Non-Ideal solar cell I [A] Cell generates Cell dissipates Breakdown Shunt resistance Partial Ideal MPP shading -V [V] +V [V] Series resistance Cell dissipates

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