EE-490(c): Lab in electrical energy systems

Summary

This teaching lab provides the practical experiences related to the operation of power electronics converters and digital control in power electronics, through experimental activities on the Power Electronic Teaching Setups. Work is organised by means of mini projects.

Official source

https://edu.epfl.ch/coursebook/en/lab-in-electrical-energy-systems-EE-490-C

Moodle Page

http://go.epfl.ch/EE-490_c

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Related concepts (61)

Related courses (33)

Related MOOCs (25)

Renewable Energy Systems

The RES Group (Renewable Energy Systems) is a global renewable energy company which has been active in the renewable energy industry for over 40 years. Its core business is to develop, construct and operate large-scale, grid-connected renewable energy projects worldwide for commercial, industrial and utility clients. RES is active in the wind (onshore and offshore wind) and solar energy sectors and is increasingly focused on the transition to a low-carbon economy providing transmission, energy storage and demand side management expertise.

Smith predictor

The Smith predictor (invented by O. J. M. Smith in 1957) is a type of predictive controller designed to control systems with a significant feedback time delay. The idea can be illustrated as follows. Suppose the plant consists of followed by a pure time delay . refers to the Z-transform of the transfer function relating the inputs and outputs of the plant . As a first step, suppose we only consider (the plant without a delay) and design a controller with a closed-loop transfer function that we consider satisfactory.

Real-time simulation

Real-time simulation refers to a computer model of a physical system that can execute at the same rate as actual "wall clock" time. In other words, the computer model runs at the same rate as the actual physical system. For example, if a tank takes 10 minutes to fill in the real world, the simulation would take 10 minutes as well. Real-time simulation occurs commonly in computer gaming, but also is important in the industrial market for operator training and off-line controller tuning.

Nodal analysis

In electric circuits analysis, nodal analysis, node-voltage analysis, or the branch current method is a method of determining the voltage (potential difference) between "nodes" (points where elements or branches connect) in an electrical circuit in terms of the branch currents. In analyzing a circuit using Kirchhoff's circuit laws, one can either do nodal analysis using Kirchhoff's current law (KCL) or mesh analysis using Kirchhoff's voltage law (KVL).

Buck converter

A buck converter or step-down converter is a DC-to-DC converter which steps down voltage (while stepping up current) from its input (supply) to its output (load). It is a class of switched-mode power supply. Switching converters (such as buck converters) provide much greater power efficiency as DC-to-DC converters than linear regulators, which are simpler circuits that lower voltages by dissipating power as heat, but do not step up output current.