Research

Modeling of power equipment: Transformers, transmission lines, underground cables, rotating machines, power converters, grounding grids, etc.

Simulation of power system transients: Switching conditions, direct and indirect lightning, fault analysis, transient analysis of large power systems, electromagnetic transient stability, statistical studies, transient studies in power-electronic-based power systems.

Numerical techniques for electromagnetic transient analysis: Numerical Laplace transform, EMTP-type programs, Method of Characteristics, frequency dependent network equivalents, rational approximations 

High voltage engineering, lightning & insulation systems: FEM-based analysis of high voltage components, dielectric design of power devices, indirect lightning to transmission lines, lightning protection systems of buildings (LPS)

Electromagnetic compatibility of HV systems: Radio-interference from transmission systems, lightning effects, power line communication technologies.

Optimization applied to design of power components and systems: Optimized electromagnetic design of motors and transformers, optimal design of utility-scale photovoltaic generation systems, shape and material optimization of insulation systems.

Fault detection and location in power components and networks: Frequency domain-based methods for fault location in transmission and distribution systems, internal fault location in transformer windings, transmission line parameter estimation for fault location.

Grid integration of renewable/distributed generation systems: converter-grid interaction, vehicle-to-grid applications, design of high frequency transformers and inductors for renewable energy integration and EV charging systems.

Parameter determination and estimation: finite element analysis, analytical expressions and algorithms, experimental techniques.