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Final Year Project Overview

Final Year Project Overview. Shane McMorrow. Variable Inductance for Solar Power Applications. PV solar cells provide variable power supply The maximum power transfer theorem shows for maximum power transfer, load impedance should equal the output impedance of the PV panel.

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Final Year Project Overview

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  1. Final Year Project Overview Shane McMorrow

  2. Variable Inductance for Solar Power Applications • PV solar cells provide variable power supply • The maximum power transfer theorem shows for maximum power transfer, load impedance should equal the output impedance of the PV panel

  3. Variable Inductance for Solar Power Applications • How can Load impedance can be matched to the PV panel impedance ? • For this project a buck converter will be used • By varying the duty cycle of the buck converter the PV panel impedance can be matched to the load impedance

  4. Variable Inductance for Solar Power Applications • Why the need for variable Inductance ? • As mentioned above PV solar panels provide variable power supply. • Varying the duty cycle of buck converter, may change the minimum inductance needed to provide continuous conduction.

  5. Variable Inductance for Solar Power Applications • A SAG inductor provides the best controllability of it’s inductance for a varying power supply http://www.nuigalway.ie/power_electronics/news/sag_inductor.html

  6. Variable Inductance for Solar Power Applications • Project Goals • Generate SPICE simulations of the buck converter for design purposes (finding out what inductance levels need for varied power supply) • Build and test a Buck Converter that can provide impedance matching, determine ideal L – I characteristics for varied power supply • Simulate a buck converter with SAG inductor using ElectromagneticTransientProgramme (EMTP) for a varied power supply • Using these results design the corresponding Buck converter

  7. Variable Inductance for Solar Power Applications • Progress • Research • Buck Converters • SAG inductor characteristics. • Impedance matching using duty cycle for Buck Converters • Basic SPICE simulations of a Buck converter

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