General area information:
This area covers topics connected with Power Electronics, Electrical Machines and Energy Conversion as well as Power Systems Engineering.
Research teams topics description:
Power Electronics, Electrical Machines and Energy Conversion
I. Electric drives and energy conversion
The research activities are carried out in four fields: control of the power electronics converters, mainly multi-level and multi-phase inverters, control of the electrical machines, particularly, sensorless control systems of three-phase or multi-phase machines, speed observer structures and parameters estimation of electrical machines as well as the control system of an electrical machines during the fault operation, wind energy conversion systems (with the doubly-fed, squire-cage as well as the permanent magnets machines), control of the power electronics, mainly the newest power electronics SiC and GaN transistors.
II. Power electronics and electric machines
Research activities are focused on the areas: modelling and control of power electronic converters for electrical drives and renewable energy systems; wireless power transfer systems; electromagnetic compatibility optimization design of power electronic converters; modelling, design and diagnostics of electrical machines, transformers including hybrid transformers.
III. Electrified transport
The topics cover various aspects of electrified transportation including railways, trams, trolleybuses and cars. The workgroup develops new methods and tools for diagnostics of traction power supply systems, mainly overhead contact line and current collectors of railway vehicles. Also, various means of increasing the energy efficiency in transportation are investigated: eco-driving techniques, application of energy storages in vehicles and substations. Additionally, the group develops control algorithms of electric drivetrains, that maximize torque and efficiency, and enables implementation of wheel slip regulation. Diagnostics of electric motors and superconducting magnets.
Power Systems Engineering
I. Electric power systems
The research is conducted in the area of electric power system operation, including analyses of steady and transient states, and automation and control of the power system. Both mathematical models and real devices are used in the performed research work. The research activities are carried out in the following areas (but not limited to): electric power system operation, stability and control; control systems design, including fuzzy logic and artificial neural networks, robust and optimal control; comprehensive modelling of power systems, including detailed modelling of individual elements; FACTS devices and HVDC systems operation in electric power system; renewable energy sources in electric power system; smart grids; virtual inertia influence on electric power system operation and control; WAMS algorithm and application to electric power systems; protection systems.
II. Power plants and energy economy
Research area “Power Plants and Energy Economy” focuses on the following topics (but not limited to): energy economics, energy market, capacity market and ancillary services market, demand Side Management (DSM) and demand Side Response (DRS), optimization of the structure and parameters of the power system supplying power to large agglomerations and local communities, methods and models for integrated simulation-and-optimization based E3 (energy, economy, environment) analyses for medium- and long-term energy system planning, prosumers activities in power systems and smart grid structures, cogeneration of electricity and heat.
III. Electric power equipment and installations
Research area “Electric Power Equipment and Installations” focuses on the following topics (but not limited to): ampacity of power cables in various ambient conditions, effect of harmonics on the operation of low-voltage protective devices, effectiveness of the protection against electric shock, diagnostics of low-voltage power systems; especially methods of the earth fault loop impedance measurement.
The aforementioned topics are of an application nature. Some of them are carried out in cooperation with the industry. Research tasks are solved with the use of computer simulations and laboratory/field tests.
Keywords:
power electronics inverter, multi-phase machine, energy conversion and efficiency, bidirectional dc-dc converter, EV charger, smart transformer, energy router, microgrid & smart grids, railway electric traction, railway infrastructure diagnostics, electric drives, electrified transportation, power plants, energy market, demand side management & response, cogeneration, power cables, ampacity, electrical safety, protective devices, power quality.
