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PhD scholarship in Modelling of renewable energy under stressed power system stability conditions

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PhD scholarship in Modelling of renewable energy under stressed power system stability conditions

Danmarks Tekniske Universitet

Roskilde, 1 stilling

The Department of Wind Energy in the Technical University of Denmark (DTU Wind Energy) is seeking a PhD for the Integration and Planning Section (INP).

You will be part of the international team carrying out research in wind power integration and control, where the working language is English.

Our research is function oriented in the sense that we direct the research towards issues that are relevant for industrial development and applications, and we work in projects with wind power system integration, control concepts for wind turbines, wind power plants, electrical components, grid connection and large-scale wind energy penetration.

Please look at http://www.vindenergi.dtu.dk for more details on the type of activities we undertake.

Responsibilities and tasks
As the share of variable renewable energy generation like wind and solar PV is steadily growing in the Danish power system as well as neighbouring systems, the issue of ensuring continued secure power system operation becomes increasingly challenging.

The PhD student will be part of the Danish SARP project (Security Assessment of Renewable Power Systems) funded by the ForskEL 2016 research programme and lead by DTU Centre for Electrical Engineering (CEE) in cooperation with DTU Wind Energy and Department of Computer Science (DIKU) at Copenhagen University.

The SARP project foresees that the current approaches for ensuring secure operation, based on offline analysis will become inadequate for the future renewable power systems. Thus, the fluctuating nature of the renewable power production will make the planning of stable and secure power system operation an increasingly challenging task which can no longer be carried out offline several hours in advance.

An important condition for assuring stable and secure power system operation is the presence of high quality models for the dynamic behaviour of renewable generators including controls and protection as well as models for variability and uncertainty of renewable energy sources. Dynamic models for renewable generators are already available, but the validation of those models is not considering stressed situations like very low short circuit ratios or power system inertia. Likewise, models for renewable power variability are proven to perform well “on average”, but focusing less on the low probabilities in the tails of the probabilistic distributions.

Power system stability problems usually occur during highly stressed system conditions. Therefore, the focus of the PhD work will be on modelling of renewable energy under stressed power system conditions and the impact of impact of the quality of this modelling on the assessment of the power system stability.

Qualifications
The successful candidate is required to have the following qualifications:

- MSc degree (or equivalent) in Electrical Engineering or Power System Engineering
- Documented background in wind power modelling and control
- Documented background in power system simulation tools, e.g. PowerFactory
- Basic understanding of power system stability
- Basic statistical knowledge
- Ability to work in a project team and take responsibility for own research goals
- Ability to communicate, read and write in English

Approval and Enrolment
The scholarships for the PhD degree are subject to academic approval, and the candidates will be enrolled in one of the general degree programmes of DTU. For information about the general requirements for enrolment and the general planning of the scholarship studies, please see the DTU PhD Guide.

Assessment
The assessment of the applicants will be made by an internal committee at DTU Wind Energy.

We offer
We offer an interesting and challenging job in an international environment focusing on education, research, public-sector consultancy and innovation, which contribute to enhancing the economy and improving social welfare. We strive for academic excellence, collegial respect and freedom tempered by responsibility. The Technical University of Denmark (DTU) is a leading technical university in northern Europe and benchmarks with the best universities in the world.

Salary and appointment terms
The salary and appointment terms are consistent with the current rules for PhD degree students.

The period of employment is 3 years.

Workplace:
The place of work will be DTU Wind Energy, Risø Campus at Roskilde.

Further information
Further information may be obtained from Head of Section Jens Carsten Hansen, +45 4677 5074, jcha@dtu.dk or Professor Poul Sørensen, +45 2136 2766, posq@dtu.dk.

Please do not send applications to this e-mail address, instead apply online as described below.

Application
Please submit your online application no later than 15 July 2016. Apply online at http://www.career.dtu.dk

Applications must be submitted as one pdf file containing all materials to be given consideration. To apply, please open the link "Apply online," fill in the online application form, and attach all your materials in English in one pdf file. The file must include:

- A letter motivating the application (cover letter)
- Curriculum vitae
- Grade transcripts and BSc/MSc diploma (an official translation into English)
- Excel sheet with translation of grades to the Danish grading system (see guidelines and excel spreadsheet here)

Candidates may apply prior to obtaining their master's degree, but cannot begin before having received it.

All interested candidates irrespective of age, gender, race, disability, religion or ethnic background are encouraged to apply.

The Department of Wind Energy is one of the world’s largest centres of wind energy research and knowledge, with a staff of more than 240 people from 37 countries working in research, innovation, research-based consulting and education. DTU Wind Energy has approximately 40 PhD students. The department’s cross-disciplinary research is organized through strategic research programmes that collaborate with Danish and international universities, research institutions and organizations, as well as the national and global wind industry.

DTU is a technical university providing internationally leading research, education, innovation and public service. Our staff of 5,800 advance science and technology to create innovative solutions that meet the demands of society; and our 10,300 students are being educated to address the technological challenges of the future. DTU is an independent academic university collaborating globally with business, industry, government, and public agencies.

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