Projects / Programmes
January 1, 2015
- December 31, 2019
| Code |
Science |
Field |
Subfield |
| 2.12.00 |
Engineering sciences and technologies |
Electric devices |
|
| Code |
Science |
Field |
| T190 |
Technological sciences |
Electrical engineering |
| Code |
Science |
Field |
| 2.02 |
Engineering and Technology |
Electrical engineering, Electronic engineering, Information engineering |
Electromagnetic and temperature field, magnetic fluid, hyper thermic, magnetic properties, electric machines, vehicles and vessels, hybrid electric vehicles, wind power, grounding, transient impedance, soil ionisation, electromagnetic compatibility, inverse problem, FEM, optimisation methods.
Researchers (18)
Organisations (1)
Abstract
Very intensive research is currently being performed within the field of magnetic fluids, which is one of the areas of nano-materials. The planned research within the scope of this programme includes determining the hyper-thermic effects of magnetic fluids within rotating magnetic fields. These effects are, according to our findings, much more intense in rotating fields than in the alternating fields. A physical model will be developed that will describe this situation with sufficient accuracy. Research into the relationship between heating power and Curie’s temperature is foreseen with the aim of achieving self-control of power heating during hyper-thermic processes. This will include the development of a measurement procedure for determining the Curie’s temperature, based on measurements of magnetic parameters. The activities will be focused on the development of a mathematical model with the aim of knowing the conditions of magnetic fluids when they are exposed to static magnetic fields. Using the model we want to evaluate the conditions in the fluid and to predict the form of the fluid after the fluid is placed in the magnetic field.
The second field of the research in the programme group Applied Electromagnetics will be devoted to the research in the field of electromagnetic converters, i.e. electric machines in general sense, while the main concern will be focused on the specific segments of electric machines used in the following important systems: drive systems for electric vehicles and vessels; drive systems for hybrid electric vehicles; small wind power generation systems. Climate changes and significant efforts for decreasing of greenhouse emissions in transport and power generation systems demand usage of more innovative electromagnetic converters. Innovative design of electric machines should follow the next main targets: high energy efficiency during energy conversion, reliability of operation, controllability, simplicity, rugged construction, low production price and recyclability of used materials.
The electric discharge process, which starts with atmospheric discharges into the air and ends with discharges into the soil through the grounding, is a very complex problem. This problem is further complicated at sufficiently high electric field strengths and currents because the ionisation and then the de-ionisation processes are initiated, causing time changing of the electric properties of the soil. Therefore it is necessary to include a dynamic model of soil ionisation and soil de-ionisation during mathematical treatment. The existing dynamic models consider changing the specific conductivity of the soil but not changing the permittivity. Therefore, the purpose of this programme is to develop an improved dynamic model and in this way the impact of the ionisation and de-ionisation processes on the time characteristics of the grounding system and so that the impact on the surroundings could be more accurately evaluated.
Significance for science
The field of applied electromagnetics is a reality in the world and for many segments still an open issue. Research needs to continue within areas such as:
? research into magnetic fluids in the senses of characterisation, modelling, and their behaviour within a magnetic field, together with searching for new areas for their usage. The usefulness of magnetic fluids is already very widespread, for example, they are used in medicine, for the non-destructive testing of materials, for measuring sensors, etc. Magnetic fluids also open-up new research areas where new opportunities can be envisaged for their use.
? research into new magnetic materials for electromagnetic transducers and design solutions adopted for their use in the sense of increasing the transducer’s capacity and efficiency, of developing special electromechanical transducers for use in electric and hybrid vehicles.
? research into dynamic models for soil ionisation at very fast atmospheric discharges into the soil, research of the impact of electromagnetic fields in these cases and the development of adequate protection for electric power facilities and other buildings.
The research work and expected scientific and applicative results of the programme group regarding these areas will in any case be a step forward in the development of science, not only in the domestic but also in the wider global arena. All research results will also be published both at conferences and in publications of various kinds and levels, with particular emphasis on the journals with JCR. This orientation of the programme group is confirmed by the results from the past. Over the period of the current programme since 2009 we have published 124 articles which are according to COBIS categorised as “1.01 Original research papers”, of which 75 papers have been published in journals with an impact factor (JCR) and 15 in journals with JCR in the first quarter (1). We have made 168 contributions at international conferences.
We have confirmed our scientific-research and professional work through contacts with recognised scientists and researchers, and through contacts with their laboratories. These contacts have allowed the spreading of our knowledge throughout a wider global sphere. Our participation in international projects has also enabled a concrete two-way transfer of knowledge between institutions.
The importance and contribution of the programme can also be seen through the organisations of international meetings. In 2016 we will organise the well-established EHE International Conference (6th International Conference on Electromagnetic Fields, Health and Environment).
Significance for the country
Research within the context of the planned programme will contribute to an increase in the competitiveness of the Slovenian electrical industry thus allowing the production of products with higher added-value. Research into the afore-mentioned areas is absolutely necessary for the Slovenian electrical industry because our industry is a high quality industry and is highly export oriented. If Slovenian industry wants to stay competitive within the global economy it must absorb more knowledge and this knowledge must be used for innovative production processes. Therefore, the basic objective of the applied electromagnetics research programme is to produce useful knowledge as far as possible and to transfer this knowledge from its laboratories into industry. This programme to date has been successful regarding knowledge production and transfer. However, such production can only be enabled on a solid foundation of basic research. Therefore the important part of the programme is the planning for fundamental research. This fundamental research is then further linked to applicative and development projects. Our results are especially useful for industry within the following areas:
?Electric motors, electromechanical converters
?Switching technology, power systems
?Measurement techniques, research of electrical materials
?Electrical household appliances
?Use and development of magnetic fluids
?Electromechanical converters in the automobile industry for electric and hybrid vehicles, vessels and small power generation systems,
?the reduction of energy usage and increased production and export of energy high-efficient products
?Construction and development of new lightning protections and grounding systems
?Protection against the effects of electromagnetic fields on the environment
We can also see additional opportunities for the programme in more intensive cooperation at domestic professional engineering meetings and through the organisations of different workshops for the wider professional public within the scope of the programme group. In this way we will influence the domestic profession and with that the technical culture in Slovenia can be increased and also the development of the engineer’s practice can be influenced.
Most important scientific results
Annual report
2015,
interim report,
final report
Most important socioeconomically and culturally relevant results
Annual report
2015,
interim report,
final report
