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PhD in Coordinated Converter Control for Stability and Power Quality in Inertia-Less Grids

Employer
NORWEGIAN UNIVERSITY OF SCIENCE & TECHNOLOGY - NTNU
Location
Trondheim, Norway
Closing date
26 Feb 2024

About the job

For a position as a PhD Candidate, the goal is a completed doctoral education up to an obtained doctoral degree.

The Department of Electric Energy (IEL) at the Norwegian University of Science and Technology (NTNU) has a vacancy for a full-time 100% position (3 years) as a PhD candidate in Coordinated Converter Control for Stability and Power Quality in Inertia-Less Grids. The prospective candidate will be part of the research group Power Electronic Systems and Components (PESC).

With the European Union setting the ambitious goal of reaching carbon neutrality by 2050, and many other countries embracing similar policies to decarbonize electricity, supporting a more sustainable society, there is a significant need for technological advances and increased competitiveness to drive the growth of offshore renewable energies, and energy storage in the coming years.

Within this context, this PhD project will focus specifically on how multiple grid converter-interfaced assets should be controlled and coordinated in an inertia-less (or almost inertia-less) isolated power network, to ensure its stability and power quality compliance in relevant operating conditions.

The PhD Candidate will be employed at IEL, NTNU, and the workplace will be in Trondheim, Norway, but the PhD-project is of both academic and industrial relevance, and it will therefore be developed in close cooperation between NTNU in Trondheim and the company Petronas, which is a global Malaysian energy group.

Your immediate leader is the Head of Department.

Duties of the position

The objective of the PhD education is to qualify for scientific research of high international standard. The PhD education has a nominal duration of three years of full-time study and includes required coursework or similar academic training comprising a minimum of 30 credits. The most important component of the PhD education is an independent scientific research project carried out under academic supervision, which results in the PhD thesis. The PhD degree is conferred based on these two elements and the doctoral examination, which consists of a trial lecture and a public defense of the scientific thesis.

In the scientific research project, the PhD candidate will investigate investigate how different electronically interfaced equipment (e.g., renewable generators, energy storage systems, compensation systems), need to be controlled and coordinated, particularly on the shortest time scales, to ensure the stable and secure operation of an isolated grid entirely reliant on renewable sources.

The specific objectives of the PhD project involve the following:

  • To systematically map and classify available assets depending on their intrinsic features and grid support capabilities, with an overview of their prioritization in dealing with local stability and power quality problems.
  • To investigate grid forming control strategies and their possible shared responsibility to ensure the operation of a fully inertia-less isolated power system, while avoiding detrimental interactions.
  • To embed grid support functionalities aimed to ensure stability and improve power quality into control algorithms and energy management strategies of the target the isolated power system.

The candidate is expected to disseminate scientific findings via journal publications and international conferences, workshops, or similar events and thus take part in academic discussion in the international academic community.

Required selection criteria

  • You must have a professionally relevant background in electrical engineering with a specialization or solid competence in the application of power converters to power systems.
  • Solid competence on power converter control is needed.
  • Your education must correspond to a five-year Norwegian degree program, where 120 credits are obtained at master's level.
  • You must have a strong academic background from your previous studies and an average grade from the master's degree program, or equivalent education, which is equal to B or better compared with NTNU's grading scale. If you do not have letter grades from previous studies, you must have an equally good academic basis. If you have a weaker grade background, you may be assessed if you can document that you are particularly suitable for a PhD education.
  • You must meet the requirements for admission to the faculty's doctoral program
  • You must have good English language skills, written and spoken. Applicants from non-English speaking countries outside the EU/EEA/Switzerland must provide preliminary documentation of English language proficiency in terms of an approved test. The following tests can be used: TOEFL, IELTS, and Cambridge Certificate in Advanced English (CAE) or Cambridge Certificate of Proficiency in English (CPE). Minimum scores are:
    • TOEFL: 600 (paper-based test), 92 (Internet-based test)
    • IELTS: 6.5, with no section lower than 5.5 (only Academic IELTS test accepted)
    • CAE/CPE: grade B or A

The appointment is to be made in accordance with Regulations on terms of employment for positions such as postdoctoral fellow, Phd candidate, research assistant and specialist candidate and Regulations concerning the degrees of Philosophiae Doctor (PhD) and Philosodophiae Doctor (PhD) in artistic research national guidelines for appointment as PhD, post doctor and research assistant 

Preferred selection criteria

  • Basic understanding of power system stability will be important.
  • Experience with experimental validation (in particular Hardware-in-the-loop testing) and control-in-the-loop testing will be an advantage.

Personal characteristics

  • Inquisitive, self-motivated, and self-driven with a strong ability to work both independently, and in cooperation with others when required.
  • Communicates information with clarity and ease, both orally and in writing.
  • Structured, targeted and solution-oriented.
  • Creativity and innovation in research.
  • Scientific mindset

Emphasis will be placed on personal and interpersonal qualities.

We offer

Salary and conditions

As a PhD candidate (code 1017) you are normally paid from gross NOK 532 200 per annum before tax, depending on qualifications and seniority. From the salary, 2% is deducted as a contribution to the Norwegian Public Service Pension Fund.

The period of employment is 3 years.

Appointment to a PhD position requires that you are admitted to the PhD programme in Electric Power Engineering within three months of employment, and that you participate in an organized PhD programme during the employment period.

The engagement is to be made in accordance with the regulations in force concerning State Employees and Civil Servants, and the acts relating to Control of the Export of Strategic Goods, Services and Technology. Candidates who by assessment of the application and attachment are seen to conflict with the criteria in the latter law will be prohibited from recruitment to NTNU. After the appointment you must assume that there may be changes in the area of work.

The position is subject to external funding. 

It is a prerequisite you can be present at and accessible to the institution at Campus Trondheim on a daily basis.

About the application

The application and supporting documentation to be used as the basis for the assessment must be in English.

Publications and other scientific work must be attached to the application. Please note that your application will be considered based solely on information submitted by the application deadline. You must therefore ensure that your application clearly demonstrates how your skills and experience fulfil the criteria specified above.

The application must include: 

  • A cover letter where the applicant describes personal motivation, summarizes scientific work and explains how the applicant sees her/his background as suitable for the advertised position.
  • CV and certificates
  • Transcripts and diplomas for bachelor's and master's degrees. Applicants from universities outside Norway are kindly requested to send a diploma supplement or a similar document, which describes in detail the study programme and grading system.
  • A copy of the master's thesis. If you recently have submitted your master's thesis, you can attach a draft of the thesis. Documentation of a completed master's degree must be presented before taking up the position.
  • A draft research proposal (2-3 pages including references) for the PhD study, where the candidate presents her/his own ideas for the PhD-work and how they can be applied, based on the project description given in this advertisement. This proposal will be neither final nor binding for the project.
  • English language proficiency documentation
  • Name and contact information of three referees
  • If you have publications or other relevant research work, please submit them

Incomplete applications will not be taken into consideration.

If all, or parts, of your education has been taken abroad, we also ask you to attach documentation of the scope and quality of your entire education, both bachelor's and master's education, in addition to other higher education. Description of the documentation required can be found here. If you already have a statement from NOKUT, please attach this as well.

We will take joint work into account. If it is difficult to identify your efforts in the joint work, you must enclose a short description of your participation.

In the evaluation of which candidate is best qualified, emphasis will be placed on education, experience and personal and interpersonal qualities. Motivation, ambitions, and potential will also count in the assessment of the candidates. 

NTNU is committed to following evaluation criteria for research quality according to The San Francisco Declaration on Research Assessment - DORA.

General information

Working at NTNU

NTNU believes that inclusion and diversity is our strength. We want to recruit people with different competencies, educational backgrounds, life experiences and perspectives to contribute to solving our social responsibilities within education and research. We will facilitate for our employees’ needs.

NTNU is working actively to increase the number of women employed in scientific positions and has a number of resources to promote equality.

The city of Trondheim is a modern European city with a rich cultural scene. Trondheim is the innovation capital of Norway with a population of 200,000. The Norwegian welfare state, including healthcare, schools, kindergartens and overall equality, is probably the best of its kind in the world. Professional subsidized day-care for children is easily available. Furthermore, Trondheim offers great opportunities for education (including international schools) and possibilities to enjoy nature, culture and family life and has low crime rates and clean air quality.

As an employee at NTNU, you must at all times adhere to the changes that the development in the subject entails and the organizational changes that are adopted.

A public list of applicants with name, age, job title and municipality of residence is prepared after the application deadline. If you want to reserve yourself from entry on the public applicant list, this must be justified. Assessment will be made in accordance with current legislation. You will be notified if the reservation is not accepted.

If you have any questions about the position, please contact Professor Elisabetta Tedeschi, email: elisabetta.tedeschi@ntnu.no. If you have any questions about the recruitment process, please contact HR Consultant Sven Robert Storø, e-mail: sven.r.storo@ntnu.no

If you think this looks interesting and in line with your qualifications, please submit your application electronically via jobbnorge.no with your CV, diplomas and certificates attached. Applications submitted elsewhere will not be considered. Upon request, you must be able to obtain certified copies of your documentation.  

Application deadline: 26.02.24

Hovedbygningen

NTNU - knowledge for a better world

The Norwegian University of Science and Technology (NTNU) creates knowledge for a better world and solutions that can change everyday life.

Department of Electric Energy

The Department of Electric Energy is one of the seven departments at the Faculty of Information Technology and Electrical Engineering. Our department is Norway’s leading in the field, and our vision is to be at the centre of the digital, green shift. We have excellent collaboration with business and industry as well as other universities and research organizations internationally. This gives us outstanding opportunities for interdisciplinary research with high relevance for the society, addressing industrial needs and global challenges.

Deadline 26th February 2024
Employer NTNU - Norwegian University of Science and Technology
Municipality Trondheim
Scope Fulltime
Duration Temporary
Place of service Elektrobygget O. S. Bragstads plass 2E, E, 3rd floor, 7034 Trondheim

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