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Your role and responsibilities

Large AI data centers are among the most power-intensive grid loads today.

Their grid interface, dominated by converters, UPS systems, and batteries, can, following a fault in weak grids, trigger current limiting, voltage sag, or instability during recovery.

Details:

• Period: January 2027-June 2027, 5 months
• Number of credits: 30 ECTS
• Number of students for this thesis work: 1
• Location: ABB Corporate Research (Västerås)

The thesis will focus on the post-fault recovery stability of AI data centers in weak grids, examining how UPS converter dynamics, DC-link behavior, battery support, and protection logic affect the system's return to stable operation after grid faults.

Goals:​

• Review state of the art in power-electronic-dominated datacenter grid integration and identify gaps in post-fault recovery understanding.
• Identify key parameters (grid strength, loading, converter limits, controller tuning, protection settings) that determine safe recovery.
• Derive a safe post-fault recovery envelope mapping stable vs. unstable operating regions​​​

Qualifications for the role
This project is designed for 1 student with a strong energy engineering background.

• Strong interest in solving emerging real-world problems.
• Background in power systems, power electronics, or control engineering.
• Motivation to solve real-world grid integration problems using dynamic modeling and stability analysis.
• Familiarity with simulation tools (PSCAD, PowerFactory, or MATLAB/Simulink).

More about us

Recruiting Manager Linus Thrybom, +46 730 80 9906, will answer your general questions. Supervisor Muhammad Ahsan Zamee ([email protected]) will answer questions about the thesis topic and expectations. 

Positions are filled continuously. Please apply with your CV, academic transcripts, and a cover letter in English.

We look forward to receiving your application!

A future opportunity

This role is part of our talent pipeline, which means it’s not currently open, but we’re always looking for curious minds, bold thinkers, and people who want to make an impact.

Click Apply to express your interest and be considered for future opportunities that match your experience and aspirations.

At ABB, we welcome people from all backgrounds and believe that diverse perspectives help us build a cleaner, smarter future.

Apply today or visit https://www.abb.com to learn more about how we help run what runs the world.