Internship - Innovative Power Supply Architectures

Il y a 3 mois

Villeurbanne, France SuperGrid Institute Temps plein

Established in 2014, SuperGrid Institute is an independent private company with over 150 employees of 21 different nationalities. The institute is a key player for energy transition in France and throughout Europe, specialising in innovative high and medium-voltage direct current (HVDC and MVDC) power systems. SuperGrid Institute also develops new technologies for the integration of renewable energies into the electricity networks of the future.

SuperGrid Institute has been ranked every year since 2018, reaching the podium 3 times in the INPI prize list.

**General Context**

**_ Key words: Hydrogen/electrolysis / MVAC/MVDC/converters_**

Hydrogen (H2) is globally recognized as an important component for decarbonizing energy systems. It also enables rapid and intermediate energy storage, especially as solar, wind, and storage systems become a significant part of the electrical grid. The current challenges limiting the growth of H2 installations are primarily cost and efficiency. It is crucial to propose innovative power supply architecture enabling cost reduction and higher efficiency of the H2 installation.

The medium-voltage AC (MVAC) architecture for H2 installations offers improved reliability and efficiency at a reduced cost. However, with the increasing use of renewable energy sources, the question of connecting renewable energies and H2 systems to a medium-voltage DC (MVDC) architecture arises. MVDC architecture has the potential to enhance efficiency, especially for future H2 installations with a strong presence of renewable energies. This internship will focus on studying MVDC power supplies and comparing them with MVAC power supplies.

Missions
- ** Review MVAC electrical architectures**:

- Review existing MVAC converter topologies.
- Summarize the comparative study of MVAC topologies (efficiency, reliability, and cost).
- ** Study innovative MVDC electrical architectures**:

- Review existing MVDC converter topologies: AC-DC and DC-DC.
- Sizing and modeling of the selected topologies.
- Calculate key performances (KPIs).
- Take into account different integration levels of renewable energy.
- ** Comparative evaluation of MVAC and MVDC power supply architectures**:

- Comparer KPIs between different architectures for a 1 GW H2 installation
- Evaluate the impact of renewable energy integration levels (0%, 25 %, 50 %, 75 %, 100 %).
- ** Write a report**

Master or engineering school student in the last year of his/her studies. The student must have a good knowledge of electrical engineering (power electronics and power systems). The required technical skills include experience with Matlab/Simulink software, and proficiency in English.

**What we can offer you**:

- You will be joining an institute dedicated to the energy transition, a promising and stimulating field of activity,
- Participation in meal expenses (company restaurant),
- Activities between colleagues within the company (football, running, choir, etc.),
- CSE,
- Electrical approvals covered,
- Self-service bicycles.

Other information
- When you join SuperGrid Institute, you'll be part of a dynamic working environment. At SuperGrid Institute, we respect and value the diversity of our employees, their backgrounds and experiences, with the aim of providing equal opportunities for all._

1+ years

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