Alexander Alber
Diagnostic Engineer & Researcher
Alexander Alber is an engineer based in Germany. He holds a Diplom in mechanical engineering (KIT Karlsruhe) and a PhD in information technology (Politecnico di Milano); his PhD thesis was on thermal modelling and control of aircraft environmental control systems. He works on condition monitoring and diagnostics for power grid infrastructure (power transformers and tap changers), currently at Hitachi Energy. Over 30 peer-reviewed publications, 3 patents. Secretary of a CIGRE working group on digital twins. Contributed the statistical analysis to the IEEE working group revising C57.155 (DGA in ester-immersed transformers).
From 2018 to 2025 he was at Maschinenfabrik Reinhausen, working on transformer thermal models, statistical DGA interpretation and OLTC monitoring.
From 2012 to 2018 he was a scientist at DLR, working on equation-based modeling of aircraft systems. Papers from that period appeared under the name Alexander Pollok.
Current Position
- Tap Changers Diagnostics Expert
- Hitachi Energy · Jul 2025 – present
Selected Topics
- Condition monitoring of power transformers
- Thermal modeling and dynamic loading of power transformers
- Dissolved gas analysis (DGA)
- Digital twins for power equipment
- Machine learning and bayesian statistics
- Equation-based modeling (Modelica), systems dynamics
- Multi-objective optimization