The subject: Electric energy is - since a very long time - essential for a prosperous society. The energy transition has a key role in the ongoing climate transition and replaces fossil energy with energy from renewable sources. This permits large increases in electricity use for electrification of transports and industrial processes. Wind power and solar electricity differ from traditional electricity production by being weather-driven and therefore variable, and also by being grid-connected through power electronic converters. The electric power system is now developing rapidly to meat these challenges, by changes in planning and operation. Capacity limits in the network are managed both by traditional grid reinforcements and by automatic control och flexible generation and flexible consumption.

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The course: The course introduces the design of the electric power system and its properties during normal operation and faults, and the impact of renewable generation. Alternative actions during operation and how different types of instability limit the transmission capacity are in focus. The contens of the course are lectured and studied through calculations and practical experiments at two laboratory exercises with computer-based preparations. The power industry relies heavily of computer analysis of large power systems. Such computations are included in the course, but hand calculations are made in parallel to permit interpretations of the computer results.

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