Postdoc in Development and experimental validation of frequency domain models for renewable generation - DTU Wind

We seek a postdoc with power engineering background for Development and experimental validation of frequency domain models for grid connection of renewable generation. The applicant will use the Risø-HPP facility to develop and implement model validation methodologies.
Do you hold a PhD or have equivalent research experiece in converter-based energy resources? Are you familiar with frequency domain analysis and eigenvalue studies? And do you have the courage and persistence which it takes to develop models and validate them against tests in a real 1000kVA scale converter-based Hybrid Power Plant (HPP) facility combining wind turbines, PV systems and storage systems? Then here is a chance to continue your research in a direction which is intended to be applied in industry and used in international standardization. You will work in a team of other young reserachers and experiencesd forefront researchers in DTU’s Department of Wind and Energy Systems.

Responsibilities and qualifications
Grid operators require validated models from developers who apply for grid connection of converter-based power plants such as wind power plants, solar plants or HPPs. Until recently, grid operators only requested RMS type models, but today many grid operators are requesting additional EMT type models as well as frequency domain models, often referred to as harmonic models.

For this position, the focus will be on development and validation of frequency domain models, but experience with EMT modelling is also very valuable. The model validation will be based on experiments in the Risø-HPP facility, which will connect the 1000kVA HPP to a controllable grid emulator with exceptional test capabilities. Thus, the grid emulator will be a high bandwidth converter system which is able to perturbate the fundamental freqeucy voltage with user-defined disturbances up to 20 kHz. You will use this grid emulator to perform experiments on single wind turbine, single PV system, single storage unit, and finally on the complete HPP. Based on those experiments, you will not only model and validate the individual units but also develop and validate aggregation methods to model the entire HPP. And finally, the results of your work will be uses in IEC 61400-27-3 standardization of model validation.

Your primary tasks will be to

• Develop frequency domain models for each unit in Risø-HPP
• Develop test plans and perform tests for individual units as well as the complete HPP. This should be done in close collaboration with Risø-HPP facility manager.
• Specify method to use the models of the individual units in aggregation of a model for the HPP.
• Report your work in meetings with funding industry partner TotalEnergies.
• Participate and share experience in IEC 61400-27-3 standardization meetings.
• Publish your research as peer reviewed journal articles and conferences contributions.
• Contribute to course teaching.
• Co-supervise BSc and MSc final projects

As a formal qualification, you must hold a PhD degree (or equivalent). The PhD is expected to be around converter-based energy resources.

We offer
DTU is a leading technical university globally recognized for the excellence of its research, education, innovation and scientific advice. We offer a rewarding and challenging job in an international environment. We strive for academic excellence in an environment characterized by collegial respect and academic freedom tempered by responsibility.

Salary and terms of employment
The appointment will be based on the collective agreement with the Danish Confederation of Professional Associations. The allowance will be agreed upon with the relevant union.

The period of employment is three years.

You can read more about career paths at DTU here.
Further information
Further information may be obtained from Professor Poul Sørensen, [email protected], +45 2136 2766.

You can read more about the Department of Wind and Energy Systems at https://wind.dtu.dk/

If you are applying from abroad, you may find useful information on working in Denmark and at DTU at DTU – Moving to Denmark. Generally, work-life balance is good, health care is free, there are good possibilities for parental leave and child care opportunities, and the work environment at DTU Wind is very collegial with flat hierarchies.

Application procedure
Your complete online application must be submitted no later than 21 October 2024 (23:59 Danish time).

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

• Application (cover letter)
• CV
• Academic Diplomas (MSc/PhD – in English)
• List of publications

Applications received after the deadline will not be considered.

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

DTUs Department of Wind and Energy Systems employs about 400 people. The department research spans the full spectrum of wind and energy systems. From investigating nanoscale structures to macro-scale atmospheric flow; from designing the turbines of tomorrow to the digital energy solutions of the future; from developing electric power systems to exploring more democratic processes for project planning.

Technology for people
DTU develops technology for people. With our international elite research and study programmes, we are helping to create a better world and to solve the global challenges formulated in the UN’s 17 Sustainable Development Goals. Hans Christian Ørsted founded DTU in 1829 with a clear mission to develop and create value using science and engineering to benefit society. That mission lives on today. DTU has 13,500 students and 6,000 employees. We work in an international atmosphere and have an inclusive, evolving, and informal working environment. DTU has campuses in all parts of Denmark and in Greenland, and we collaborate with the best universities around the world.

Adresse:

Frederiksborgvej 399
4000 Roskilde