Questions on exam preparation for photovoltaics
Task document
Information on the 2012 feed-in tariff
Yield data photovoltaic system house VII
Yield data 1 photovoltaic system house IX
Yield data 2 Photovoltaic system house IX
Yield data for private system
Winter semester
Lecture: 2 SWS
Final performance: oral examination
Admission requirements:
Participation in the lecture and in the exercises/seminars
1. introduction
Introduction to photovoltaics
1.1 Literature
1.2 Conversion paths of solar energy
1.3 Energetic parameters
1.4 Supply potential of renewable energy sources
1.5 Characteristics of terrestrial solar radiation
1.5.1 The sun's spectral radiation supply
1.5.2 Characteristics of the sun's radiation spectrum
1.5.3 Spatial and temporal supply characteristics
1.5.4 Annual course of the sun's position
1.5.5 Air mass (air mass coefficient)
2 Solar cells and solar generators
2 Solar cells and solar generators
2.1 Solar cell theory
2.1.1 Intrinsic conduction in semiconductors
2.1.2 Interference conduction in semiconductors
2.1.3 PN junction
2. 2 Equivalent circuit diagram of the unloaded and loaded solar cell
2.3 Characteristic curve of the irradiated and unirradiated solar cell
2.4 Operating point of solar cells
2.5 MPP tracking
2.6 Temperature behavior of the U-I characteristic of the solar cell
3. solar modules and solar generators
3. solar modules and solar generators
3.1 Wiring of solar cells to modules
3.1.1 Series and parallel connection
3.1.2 Occurrence of hot spots
3.1.3 Protective measures with bypass diodes
3.2 Cell types and solar modules
3.2.1 Cell types
3.2.2 Efficiency
3.2.3 Characteristic values of solar modules
4 Structure of photovoltaically powered energy systems
4 Structure of photovoltaically powered energy systems
4.1 System concept
4.2 Direct current systems in stand-alone operation without energy storage
4.2.1 Direct connection of loads
4.2.2 Mode of operation of a voltage inverter (DC-DC converter)
4.2.3 Voltage inverter in push-pull output stage
4.3 DC systems in off-grid operation with storage
4.3.1 Characteristics of an off-grid system with storage
4.3.2 Lead-acid batteries
4.3.3 Nickel-cadmium batteries
4.3.4 Fuel cell/electrolyser
4.3.5 Storage dimensioning
4.3.5 Operating point specification for battery-buffered systems
4. 4 Direct current systems with grid connection
4.4.1 Characteristics of a direct current system with grid connection
4.4.2 Technical feed-in conditions
4.4.3 Single-phase inverter with DC link
4.4.4 Structure of a grid-connected PV house system
4.4.6 Inverter topologies / multi-string concept Equipment features of modern inverters
5 Economic aspects of the use of photovoltaic systems
5.1 Regulations to be considered 5.2 Economic efficiency of solar systems 5.3 Renewable Energy Sources Act (EEG) 5.3.1 Content and objectives 5.3.2 EEG from the perspective of the grid operator 5.4 State support measures 5.4.1 100,000 roofs solar power program of the KfW 5.4.2 Support programs of the federal states, cities and municipalities 5.4.3 Consideration of the