ORGANISATION/COMPANYTallinn University of Technology
RESEARCH FIELDEngineering › Electrical engineering
RESEARCHER PROFILEFirst Stage Researcher (R1)
APPLICATION DEADLINE21/06/2019 23:00 - Europe/Athens
LOCATIONEstonia › Tallinn
TYPE OF CONTRACTTemporary
HOURS PER WEEK40
OFFER STARTING DATE02/09/2019
We offer 4-year PhD position in Fault-Tolerant DC-DC Converters and Fault Detection Methods.
Supervisors: Research Professor Dmitri Vinnikov and Dr. Andrii Chub
The growing market for residential renewable energy generation and storage systems facilitates the development of new technologies of photovoltaic modules, fuel cells, batteries, micro wind turbines, etc. Operating voltage and power rating of these emerging residential energy sources vary in a wide range. As a result, each type requires a different interface converter due to limitations of conventional power electronics. This project aims to introduce a new generation of dc-dc converters for interfacing these low-voltage energy sources with voltage levels compatible with the distribution grid. The novel dc-dc converter topologies will provide universal applicability enabled by wide input voltage regulation range, while their fault tolerance will ensure long system lifetime. This new technology will decrease the price of residential power systems due to lower capital costs resulting from mass production, lower staff training costs for installers, and reduced supply chain expenses.
Ph.D. student will work on the synthesis of novel topologies of galvanically isolated dc-dc converters and development of corresponding hardware and software methods of fault detection and identification. The project result will be the technology framework comprising topologies, control methods, and fault detection circuits and algorithms optimized for industrial adoptions.
- Synthesis of galvanically isolated dc-dc converter topologies with a wide input voltage range
- Development and implementation of control and topology modification methods enabling fault tolerance with minimum redundancy
- Development and implementation of fault detection and identification algorithms and circuits
- Design of control systems based on small and large signal models
- Feasibility study of efficiency optimization from the use of new semiconductor and magnetic materials
- Experimental verification of developed fault-tolerant topologies and control algorithms
REQUIRED EDUCATION LEVELEngineering: Master Degree or equivalent
REQUIRED LANGUAGESENGLISH: Good
The applicants should fulfill the following requirements:
- The successful candidate should hold a M.Sc. degree in Electrical Engineering
- A strong background and interest in Power Electronics are expected
- Prior practical experience with galvanically isolated dc-dc converters is preferred
- The candidate will work in the international team and collaboration with partner universities and companies. Hence, we expect fluency in spoken and written English
- Practical experience in the design of power electronic converters
- Experience in design of control systems and their implementation in microcontrollers and DSPs
- Good understanding of power semiconductor components and their driving
- Experience in the modeling of electronic circuits in PSIM or PLECS software
- Experience with PCB design (preferably using Altium Designer)
- Experience with closed-loop control systems comprising analog and digital sensors
The following application documents are required (in English):
- Motivation letter
- Curriculum vitae
- Copy of the required diploma (MA) or other document providing evidence of the necessary qualification
EURAXESS offer ID: 400588
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