Master thesis: Experimental investigation of protection schemes in AC microgrids

Construction, Engineering & Trades · Civil & Industrial Engineering · Electrical Engineering

In short

This master thesis focuses on the experimental investigation of protection schemes in AC microgrids, addressing the shift towards inverter-dominated power systems. The role involves configuring and evaluating protection relays, with potential extensions into centralized protection systems using IEC-61850.

Responsibilities

Read up on digital protection relays and standardised AC circuit protection functions for motors, transformers and feeders.
Install 2-3 protection relays in an existing microgrid lab setup and configure basic protection functions locally on the relays.
Evaluate fault detection behaviour experimentally for a set of baseline fault scenarios according to a test plan to be defined by the student.
Optional: Implement a centralized protection system based on IEC-61850 protocol.
Optional: Evaluate fault detection behaviour experimentally for the centralized protection layout and compare with the local layout.
Optional: Implement and evaluate more sophisticated protection schemes, possibly including converter coordination.

Requirements

Master student with background in Electrical Engineering, Engineering Physics, Energy Technology or similar.
Knowledge in electric power systems, specifically protection and substation automation, is beneficial.
Analytical and structured with a curious mindset.
Open-minded approach to both theoretical considerations and hands-on work in the laboratory.

Benefits

Support the development of stable and resilient microgrids.

Skills

IEC-61850

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