Renewable Energy Daniel Burmester.

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Presentation transcript:

Renewable Energy Daniel Burmester

Today The big questions Lab session Off grid scenario

What is renewable energy?

What is renewable energy? Can replenish/regenerate

What is renewable energy? Can replenish/regenerate Short time frame

What is renewable energy? Can replenish/regenerate Short time frame Not fossil fuel based Finite

What are the commonly used RE sources?

What are the commonly used RE sources? Solar Wind Hydro Geothermal Bioenergy Marine (Future?)

Why is renewable energy important?

Why is renewable energy important? Environment Reduce greenhouse gas emissions Slow the effects of climate change

Why is renewable energy important? Environment Reduce greenhouse gas emissions Slow the effects of climate change Potential benefits

Why is renewable energy important? Environment Reduce greenhouse gas emissions Slow the effects of climate change Potential benefits Distributed generation Powering rural/isolated communities Political Financial Power independence

What are the problems facing RE uptake?

What are the problems facing RE uptake? Technical Financial Social

What are the problems facing RE uptake? Technical Intermittency Integration Financial Social

What are the problems facing RE uptake? Technical Intermittency Integration Financial Set up cost Long payback period Low buy back rate Social

What are the problems facing RE uptake? Technical Intermittency Integration Financial Set up cost Long payback period Low buy back rate Social Preconceptions of unreliability Climate change is a future problem or untrue

Solar Panel Impedance Matching

Solar panel laboratory background Photovoltaic (solar) cells convert light energy in electrical energy (power).

Solar panel laboratory background Photovoltaic (solar) cells convert light energy in electrical energy (power). Power (P) = Voltage (V) times Current (I)

Solar panel laboratory background Photovoltaic (solar) cells convert light energy in electrical energy (power). Power (P) = Voltage (V) times Current (I) Voltage (V) = Current (I) times Resistance (R) (Ohm’s law)

PV cell characteristics

PV cell characteristics http://www.itacanet.org/a-guide-to-photovoltaic-panels/photovoltaic-pv-cells/