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PVMD Olindo Isabella Delft University of Technology Plane of array - PowerPoint PPT Presentation

Nov 22, 2023 •323 likes •439 views

Introduction to Electrical Conversion PVMD Olindo Isabella Delft University of Technology Plane of array PV modules irradiance Fluid-dynamic model q convection T ambient T sky q rad,sky q convection q sun Meteo data q rad,ground T module T

  1. Introduction to Electrical Conversion PVMD Olindo Isabella Delft University of Technology

  2. Plane of array PV modules irradiance Fluid-dynamic model q convection T ambient T sky q rad,sky q convection q sun Meteo data q rad,ground T module T ground θ M a s Balance of System Energy yield Surrounding landscape

  3. Outline V chapter DC-DC converter 1. Introduction to electrical conversion 2. Electrical components 3. Topologies 4. Efficiency of a buck-boost converter DC-AC inverter

  4. Outline V chapter DC-DC converter 1. Introduction to electrical conversion 1. Motivation 2. Definitions 3. Requirements 2. Electrical components 3. Topologies 4. Efficiency of a buck-boost converter DC-AC inverter

  5. Solar cell with a Resistive Load I Operating points Current [A] 1000 W/m 2 800 W/m 2 600 W/m 2 MPPs 400 W/m 2 200 W/m 2 Voltage [V] V

  6. DC-DC Converter V PV = V L V PV V L

  7. DC-DC Converter V PV = V L V PV V L

  8. Implementing the MPPT MPPT Other input I Load I PV R meas V PV V L

  9. The Ideal DC-DC converter Ideal impedance transformer I Load I PV V PV V L Ideal DC-DC converter

  10. D ≜ T on T on = DT s ⇒ T off = (1 − D)T s T s The Ideal DC-DC converter V T S V PV T off T on V Load t

  11. DC-DC Converter Electronic circuit which converts a source of direct current (DC) from one voltage level to another Topologies: • Buck converter • Boost converter • Buck-Boost

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