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Internship - V2X Control strategy for Bi-directional On-Board Charger

Posted 2 Sep 2022
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Work experience
0 to 1 years
Full-time / part-time
Full-time
Job function
Degree level
Required language
English (Fluent)

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Lightyear introduction

Lightyear envisions a shift from traditional environment polluting vehicles to clean and affordable mobility. Its mission is to disrupt the electric car market by providing zero emission mobility for everyone, everywhere. The first offering is a zero emission solar electric car: The Lightyear One. The Lightyear One is the answer to the shortcomings of today’s electric vehicles. It is designed as an unplugged, energy independent car powered by the sun.

Background

Since the Lightyear One is a solar car, it can produce energy instead of only consuming it. This allows several use cases that require grid feeding and grid forming services. Currently there are no commercially available on-board charger (OBC) which allows bi-directional power flow. To that end, Lightyear is building a bi-directional OBC capable of following and forming a grid that can add a lot of value to solar electric vehicles (SEVs).

Your personal mission

The goal of this assignment is to develop a V2X (vehicle-to-grid, vehicle-to-load) control strategy for the bi-directional OBC. The topology and the primary control of the different AC/DC and DC/DC stages are already fixed while charging the battery from the grid. You will investigate the optimal control strategy while discharging into the grid based on different grid conditions.

  • Define the control requirements for grid-forming and grid-following OBC
  • Develop a control architecture/strategy for (a) grid-forming, and (b) grid-following operation without additional hardware modifications
  • Model and simulate the efficacy of the controllers in Simulink/PLECs
  • Investigate the effect of grid-strength on the stability aspect of different control strategies

Requirements in order to achieve your personal mission

Be aware, being an intern at Lightyear isn’t just an internship. You’ll be approached as an actual engineer and that requires some skills and being able to take responsibility. Especially given the fact that you’ll join a scale-up where little is set in stone. Therefore, it’s key that you can relate to the following things:

  • You're currently in your Master's program in the direction of Power Electronics in combination with Control Engineering.
  • You are looking for an apprentice or graduate internship starting as soon as possible.
  • You’ve proven that you’re strong both theoretically and pragmatic. For instance, you’ve been part of a student team (such as Hyperloop, Solar team, Robocup), did other extracurricular/extramural activities, worked in a start-up, you did an outstanding internship or you do sports at a semi-professional level. At Lightyear, we highly value this.
  • You’re entrepreneurial. Really! You’re able to swim when we drop you into the ocean and you’re able to speak your mind.
  • You are able to work autonomously and in a team.
  • You strongly identify yourself with our bigger mission: clean mobility for everyone.

What do we offer

In addition to a challenging (graduate) internship you also have the opportunity to work for a company with a real, honest and ambitious mission. In this way you have the opportunity to make a huge impact on the future of mobility! Next to this, we also offer:

  • A high degree of freedom and independence during your internship.
  • A multidisciplinary team of highly motivated and talented people you can learn from.
  • A certain internship allowance depending on your educational level and type of internship.
  • Monthly meet ups with other interns to have snacks and drinks while meeting other like minded individuals.
  • Monthly engineering peer learning sessions where you learn from other interns on what they do and how they solved it.
  • In addition to a dynamic work environment, there is time for relaxation during our already epic Friday (digital) afternoon drinks!

At Lightyear we are building an electric car that charges itself. From our experience at Solar Team Eindhoven, we know this is only possible starting from scratch. At Lightyear we bring together a multidisciplinary team of highly motivated engineers, designers, and visionaries to challenge the status quo. Write the story with us!

Automotive
Helmond
Active in 10 countries
200 employees
70% men - 30% women
Average age is 35 years

What employees are saying

Manuel Ribeiro

Software Engineer

Manuel Ribeiro

"Lightyear is an exceptional team that puts together people from all over the world with the same goal of creating a meaningful positive impact in our society. I felt welcome from the very first day and working with such motivated engineers gives me the energy I need to do my best every day."

Sapfo Tsoutsou

Group Lead - Thermal Engineering

Sapfo Tsoutsou

"Lightyear is een geweldig bedrijf om voor te werken. Het voelt voor mij meer als familie dan een werkgever. Klinkt misschien een beetje heftig, maar het is zo. Je maakt makkelijk vrienden op werk: iedereen is vriendelijk, behulpzaam en zo gemotiveerd om echt een verschil te maken in de wereld.”