National Laboratory of the Rockies · 13 hours ago
Graduate (Summer) Intern – Modeling, Small/Large-Signal Stability Analysis, and Control of Grid-Connected Power Electronics Converters for Inverter-based Resources-Driven Power Systems
United States
Internship
Remote
Intern
$44K/yr - $71K/yrThe National Laboratory of the Rockies (NLR) is dedicated to accelerating energy innovation through research and systems integration. They are seeking a Graduate Summer Intern to contribute to the design and control of grid-connected power electronics converters, focusing on stability analysis and control techniques for inverter-based resources.
Clean EnergyCleanTechEnergyRenewable Energy
Responsibilities
Contribute to advancing grid-connected converter design and control technologies
Develop control techniques for high-power inverter-based resources
Analyze novel grid-forming control followed by software and hardware validation
Analyze inverter and power system stability using small- and large-signal stability assessment methods and potentially develop a new stability framework for improvement
Develop module-level control and converter-level control, as well as plant-level control for grid supports and additional functionalities, such as droop control and grid-forming control, current limiting, and frequency stabilization
Design grid-forming inverter controls for non-ideal operating conditions, such as unbalanced network/grid or fault conditions
Collaborate with research team and industry stakeholders
Qualification
Required
Minimum of a 3.0 cumulative grade point average
Undergraduate: Must be enrolled as a full-time student in a bachelor's degree program from an accredited institution
Post Undergraduate: Earned a bachelor's degree within the past 12 months. Eligible for an internship period of up to one year
Graduate: Must be enrolled as a full-time student in a master's degree program from an accredited institution
Post Graduate: Earned a master's degree within the past 12 months. Eligible for an internship period of up to one year
Graduate + PhD: Completed master's degree and enrolled as PhD student from an accredited institution
Applicants are responsible for uploading official or unofficial school transcripts, as part of the application process
If selected for position, a letter of recommendation will be required as part of the hiring process
Must meet educational requirements prior to employment start date
Solid background in Power Electronics Design and Control (e.g., research experience in microgrids, cascaded multilevel converters, or multiple inverter coordination is highly preferred)
Experience in power converter hardware prototyping and debugging
Power electronics converter firmware development experience, e.g., using DSPs
Software skills: MATLAB/Simulink SimPowerSystems, PLECS, or other power electronics circuit software simulation tools
Texas Instruments DSP experience. Having experience with Code Composer Studio and/or PLECS or MATLAB/Simulink Code Generation Environment is preferred
Experience in controller/power hardware-in-the-loop testing is a plus
Benefits
Medical, dental, and vision insurance
403(b) Employee Savings Plan with employer match*
Sick leave (where required by law)
Company
National Laboratory of the Rockies
The U.S. Department of Energy's primary national laboratory for energy systems research and development.
Founded in 1977
1001-5000 employees
Funding
Current Stage
Late StageTotal Funding
$166.09MKey Investors
US Department of EnergyARPA-E
2024-09-04Grant
2023-09-21Grant· $1M
2023-05-22Grant· $150M
Leadership Team
Clay Sumner
Deputy Chief Financial Officer
Jennifer L.
Chief Financial Officer
Recent News
2026-01-16
Clean Technica
2025-11-27
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