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Vorlesungen

Wintersemester 2018/19

Master Sustainable Systems Engineering

Solar Energy (11LE68V-8060)

by S. Glunz, K. Kramer, P. Schossig, A. Heimsath

 Contents:

  • Solar Energy - Theoretical and Technical Energy Potential (black body radiation, Carnot cycle, maximum efficiencies,
  • Solar Energy Technologies - Tapping the sun’s energy (overview of conversion technologies, system boundaries,seasonal fluctuation, ...)
  • Photovoltaics - Physics of Solar Cells (introduction to semiconductors,Fermi levels, IV curves, conversion efficiency, quantum efficiency …)
  • Photovoltaics - Technology Review (short introduction to the structure and technology of crystalline silicon solar cells)
  • Solar Thermal - Physics of Solar Collectors (basics of thermo dynamics, fluid dynamics, absorption, emission, power output and other performance criteria)
  • Solar Thermal - Technology Review (from low temperature applications up to power plants - examples)
  • Heat pumps - Thermodynamics, electrical and thermal driven heat pumps and chillers, main components (compressor, evaporator, condensor etc.), system configurations (layout, sources, storages, control strategies etc )
  • Heat pumps: field tests and best case examples - Heat pumps and smart grid interaction, Heat pumps and PV, Heat pumps + solar thermal, storage integration)
5 ECTS
Tuesday 16:00 - 18:00
Thursday 14:00 -16:00

Photovoltaic Laboratory (11LE68P-4108)

by S. Glunz, R. Müller

Contents:

A broad variety of laboratory experiments address the operating characteristics of solar cells and photovoltaic modules. Different experiments are performed each week of the laboratory course. These experiments include:
  • Fundamental electric basics: series and parrallel connection of solar cells
  • Geometrical aspects and environmental conditions: Illumination, angle of incidence and temperature dependence of the solar cell power
  • Solar cell characterization: IV-curve in the dark and under illumination, maximum power point and fill factor
  • Building up PV modules: I-V-characteristics of different solar modules and partial shading
  • Working principle of mpp-tracking: DC/DC inverter
  • Solar cells as power supply: on-load power and internal resistance
  • Components and operation of a solar off-grid system
  • Comparison and operation of different charge controllers: shunt-, series- and PWM regulator
  • Discharge protection and DC/AC inverter
Friday 10:00-12:00