Principal Scientist & Power Transformer Global Architecture Team member (Thermal Domain responsible)
1987 - 1991 : M.Sc. Applied Mathematics, Twente University
(Prof. P.J. Zandbergen & Dr. B.H. Gilding)
1991 - 1996 : Ph.D Physics & Astronomy, Utrecht University (Prof. W.P.M De Ruijter & Prof. H.A. Dijkstra)
German (working professional, actively upgrading to fluent)
Dutch (fluent, native)
1996 - 1998 : PostDoc VU (Free University of Amsterdam),
Faculty of Earth Sciences, Marine and Sedimentary Geology
1998 - 2000 : Advisor / Researcher at Delft Hydraulics, section Marine and Estuarine Systems
2000 - 2005 : Researcher, Philips Research The Netherlands (Nat.Lab.), Software Architectures Group
2005 - 2008 : Research Scientist, ABB Corporate Research Västerås - Sweden
2008 - 2010 : Senior Scientist, ABB Corporate Research Västerås - Sweden
2010 - 2013 : Principal Scientist & Power Transformer Global Architecture Team member, ABB Corporate Research Västerås & ABB Power Products / Transformers (PPTR) - Sweden
2013 - 2014 : Team Leader PPTR Technology Centre @ Corporate Research ABB Power Products / Transformers - Sweden
2014 - now : Principal Scientist & Power Transformer Global Architecture Team member, ABB Power products / Transformers Bad Honnef - Germany
Global R&D, Strategy & Roadmap development, Technology Transfer, Transformer design, Design optimization, Design Reviews, Computational Physics (CFD & Thermo-hydrodynamic network models), Fluid Dynamics, Heat Transfer, Mass Transfer, Technology Management, Reduced-Order modeling, Standardization, Standards Development, Customer Support (external & internal), Project Assessment (>10, Gate Model), Software Engineering, Special Education, Student Counseling, Electronics Hardware Design, Digital Electronics, Microcontrollers & Sensor Applications
2007 : Patent WO-2007069207 (together with W. van der Linden, W. Baks, M. Bodlaender)
2013 : Patent Filing (SE-1318901) (together with T. Laneryd, R. Bel Fdhila, A. Gustafsson)
2008 - 2013 : Representing ABB in CIGRE Working Group A2.38 (Transformer Thermal Modeling)
2012 - now : Reviewer, IEEE Transactions on Power Systems / Power Delivery
First author (Kranenborg et al.):
Double-diffusive Flow Patterns in the Unicellular Flow Regime: Attractor Structure and Flow Development, in: Double-Diffusive Convection, AGU Geophysical Monograph 94, eds: Fernando & Brandt, pp. 89-96, 1995.
The structure of (linearly) stable double diffusive flow patterns in a laterally heated stratified liquid, Phys. Fluids 7(3), pp. 680-682, 1995.
On the evolution of double-diffusive intrusions into a stably stratified liquid: A study of the layer merging process, Int. J. Heat Mass Transfer 41, 2743-2756, 1998.
Double diffusive layer formation near a cooled liquid-solid boundary, Int. J. Heat Mass Transfer 41, 1873-1884, 1998.
Numerical Study on Mixed Convection and Thermal Streaking in Power Transformer Windings, EuroTherm2008, 5th European Thermal-Sciences Conference, Eindhoven, The Netherlands, 2008
A bifurcation study of double diffusive flows in a laterally heated stably stratified liquid layer, Int. J. Heat Mass Transfer 39, 2699-2710, 1996 (with H.A. Dijkstra).
On the evolution of double-diffusive intrusions into a stably stratified liquid: the physics behind self-propagating layers, Int. J. Heat Mass Transfer 41, 2113-2124, 1998 (with H.A.Dijkstra).
Layer formation in double diffusive convection (overview article), in: Time-dependent Nonlinear Convection (Advances in Fluid Mechanics), ed: P.A. Tyvand, Computational Mechanics Publications, pp. 139-176, 1998 (with H.A. Dijkstra and J. Molemaker).
Modelling grain-size distributions. A comparison of two models and their numerical solution, Tectonophysics, 320, 347--374, 2000. (with T. Den Bezemer, H. Kooi and S. Cloetingh).
Thermal modeling of power transformer radiators using a porous medium based CFD approach, THERMACOMP 2011, Dalian, China, 2011
Biotemp® Transformers in the Modern Substation, CIGRE International Colloquium Transformer Research and Asset Management, Zagreb, May 2012
CFD study of non-guided laminar mixed convection of a high Prandtl number fluid in a transformer winding-like geometry, International Heat Transfer Conference, IHTC 15, Japan, 2014
Hot Spot Determination in Transformer Windings through CFD Analysis, CIGRE WorkSpot VII Conference, Rio de Janeiro, Brazil, 2014
2013 : Mattia Montanari (CRNS Nantes, France): Multi-physics CFD-based Reduced-Order Modeling Approaches Using Commercial Codes
2012 : Yuhe Jiao (KTH Stockholm): CFD Study on the Thermal Performance of Transformer Disc Windings Without Oil Guides
2011 : Maria Hjalmars (KTH Stockholm): Optimization Study on Oil Flow and Temperature Distribution in Power Transformer Windings Using Global Optimization Methods
Microcontroller network concept : Proprietary network architecture combining power delivery and intelligent (battery-less) node communications using non-polarized two-wire connections (link)
Technology & School : Introduction of modern electronics (microcontrollers) in primary schools