Post Doctorat Contract – Engineer AC-DC modelling of pan-European system power flows and grid infrastructure

SuperGrid Institute

Posted 3 months ago

SuperGrid Institute brings together 180 employees of 28 different nationalities in a dynamic environment in Lyon. As an independent research and innovation centre, we specialise in the development of technologies for the future energy transmission grid, the “supergrid”, including HVDC and MVDC technologies.

Multidisciplinary research centre with advanced simulation capabilities and multiple test platforms, including numerous associated laboratories, SuperGrid Institute uses its expertise to provide a wide range of services and solutions to help its customers develop electrical systems, equipment and components. We are experts in grid architecture and work to ensure grid security and stability while enabling the integration of intermittent renewable energy sources. For more information, please visit our website: www.supergrid-institute.com

General context

Integration of large amount of renewable energy sources (RES) (e.g., offshore wind, PV) and energy market integration are two of the main drivers for the future development of the pan-European power grid. This will require to be able to transport large amount of power over long distances through the entire grid (i.e., offshore or onshore) from generation areas to load areas. Extended HVDC grids, covering large areas and distances, are considered to be the preferable solution which would make it possible.

Developing HVDC systems results in the introduction of more and more Power Electronics Interfaced Devices (PEIDs), where AC/DC converters (e.g., MMC converters) are the main interface component, with a significant impact of the AC-DC system characteristics (e.g., reduction of the system inertia) and associated behaviour. The development of such AC-DC power systems with high penetration of PEIDs will be possible only if it can be demonstrated that those systems are:

  • economically viable (assessed through adequate techno-economic and cost-benefit analysis (TEA and CBA)),
  • able to guarantee the system adequacy (ability of the grid to guarantee the customer energy supply from the available generation, considering any system contingencies) as well as the system security (system reliability and resilience considering any operating conditions/contingencies (steady-state or transient (e.g., fault)). Here, the potential contribution of converters to improve both adequacy and security needs to be analysed and assessed.

This requires performing the associated studies and assessments in a realistic environment, representative of the pan-European power grid infrastructure (actual and future). Those representative power grids are associated to the definition of generation and demand scenarios (actual and future situations), and the development of AC-DC system models (steady-state and dynamics). Moreover, tools to support both technical and economic studies are also required (e.g., AC-DC power flow models and tools).

Objectives / Missions

The objective focuses on the development of models, scenarios and tools for the computation, the analysis, and the management of power flows in the pan-European AC-DC system. The proposed work is structured around three main missions:

  1. Development of AC-DC system models to support power flow analysis:

The objective is to build models of the pan-European power grid to support power flows computation and analysis at the European size level. These models shall represent the AC system infrastructure and include DC systems (point-to-point or multi-terminal) to develop AC-DC system models. They shall be simple enough to allow an easy use in different applications (a system clustering approach could be a considered option). This task will rely on an analysis of existing works/data relative to the development of power grid models.

  1. Development of generation/demand scenarios for the pan-European grid:

It is aimed to build a consolidated database of scenarios which shall reflect the actual situation of both generation energy mix and demand as well as projections towards different future time horizons (e.g., 2030, 2050). These scenarios will have to consider the RES development and integration within the European power grid. This task will rely on an analysis and a consolidation of existing works/projects which have proposed similar scenarios.

  1. Development of methodologies and tools for the calculation of AC-DC power flows considering high penetration of PEID:

It is aimed to develop methodologies and in-house tools to model and to compute power flows within the entire AC-DC system, considering a high penetration of PEIDS. The impact of the control mode of the AC/DC converters, including their operation limitations/saturations, on the power flow solution will be carefully analysed before developing the power flow models and algorithms.

Candidate background

  • PhD degree, with an experience in the field of power grid modelling and power flows models development. A knowledge of pan-European power grid infrastructure and modelling would be fully appreciated.
  • Electrical engineering, with a particular focus on power grid and high voltage systems (HVDC);
  • Modelling and simulation tools for power grids (EMT, phasors and load flow).

  • Fluent English (spoken, written);
  • Capacity for analysis and synthesis;
  • Communication.

Other information

SuperGrid Institute is an equal opportunities employer. We respect and value the diversity of our employees, their backgrounds and their professional experience. We believe in equality and take affirmative action to ensure that discrimination has no place in our recruitment process nor our company.

Job Features

Job CategoryPost Doctorat Contract
Contract TypeCDD
Duration2 years
Start DateASAP

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