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Photovoltaics

The advantages of converting light into electricity directly are well known: solar power contributes to protecting the environment, reduces the cost of electricity transmission and provides an independent and affordable energy supply.

Photovoltaics: web overview

Photovoltaics

Photovoltaics as a sustainable energy supply

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ET 252

Solar cell measurements

Investigation of the properties of solar cells; objective measurements by extensive temperature control of solar cells

Learning objectives/experiments

physical behaviour of solar cells under varying illuminance and temperature
recording of current-voltage curves
calculating current strength and achievable output based on the single diode model
how illuminance and temperature affect the curves
interconnecting solar cells in parallel and series connection
….

ET 250

Photovoltaic modules measurements

Determining the characteristic parameters of a photovoltaic system

Learning objectives/experiments

physical behaviour of photovoltaic modules under a variety of effects
- illuminance
- temperature
- shading
familiarisation with key parameters
….

ET 250.01

Photovoltaic in grid-connected operation

Expansion module for ET 250 with components for grid-connected usage of solar electricity

Learning objectives/experiments

familiarisation with components from grid-connected use of photovoltaic power
functioning of a circuit breaker and over voltage protection
functioning of a grid-connected inverter with maximum power point tracking
dependence of the inverter efficiency on the workload
function of modern electricity meters

ET 250.02

Stand-alone operation of photovoltaic modules

Expansion module for ET 250 with components for independent use of electricity from photovoltaic modules

Learning objectives/experiments

familiarisation with practical components for stand-alone use of photovoltaic electricity
functioning of a circuit breaker and over voltage protection
functioning of a charge controller with integrated maximum power point tracking
influence of the workload on the efficiency of components
influence of fluctuations in solar energy and/or electricity usage on the overall system efficiency

ET 255

Operating options for modular solar electricity systems

Electrical components of a photovoltaic installation in practice; operation with real photovoltaic modules or a photovoltaic simulator

Learning objectives/experiments

investigate components of modern systems for use of photovoltaics
function of modules for performance optimisation (MPP tracker)
function of inverters and charge controllers
operating behaviour with varying illuminance and temperature
efficiency and dynamic behaviour of system components
….

ET 255.01

Photovoltaic simulator

Simulation of the current and voltage characteristics of photovoltaic modules

Learning objectives/experiments

current/voltage characteristics of photovoltaic modules
power optimisation with MPP trackers (maximum power point tracker)
operating behaviour of photovoltaic modules with varying illuminance and temperature
efficiency and dynamic behaviour of ET 255 system components
experiments with ET 255 and ET 255.03 with specified generation and consumption profiles

ET 255.02

Photovoltaic modules for solar electricity systems

Operating behaviour of photovoltaic modules with varying temperature and illuminance; illumination by sunlight or light source HL 313.01

Learning objectives/experiments

use of photovoltaic modules in modern solar electricity systems
experiments with ET 255 and ET 255.03 with specified generation and consumption profiles
operating behaviour of photovoltaic modules with varying temperature and illuminance
influence of the inclination angle on the maximum power point (MPP)
power optimisation with MPP trackers
….

ET 255.03

Consumers in solar electricity systems

Controllable electrical consumers for utilisation simulation in solar electricity systems

Learning objectives/experiments

prioritisation of electrical consumers in solar electricity systems
energy management systems for optimising self-consumption
use cases with changing grid availability
consumers in emergency power mode
experiments with specified generation and consumption profiles

Equipment for Engineering Education

Photovoltaics

ET 252

Learning objectives/experiments

ET 250

Learning objectives/experiments

ET 250.01

Learning objectives/experiments

ET 250.02

Learning objectives/experiments

ET 255

Learning objectives/experiments

ET 255.01

Learning objectives/experiments

ET 255.02

Learning objectives/experiments

ET 255.03

Learning objectives/experiments

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