Graduate PhD (Summer/Year Round) Intern - Modeling, Analysis, and Control of High-Power Grid-Connect

Posting Title

Graduate PhD (Summer/Year Round) Intern - Modeling, Analysis, and Control of High-Power Grid-Connected Power Electronics Converters

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Location

CO - Golden

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Position Type

Intern (Fixed Term)

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Hours Per Week

40

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Working at NREL

The National Renewable Energy Laboratory (NREL), located at the foothills of the Rocky Mountains in Golden, Colorado is the nation's primary laboratory for research and development of renewable energy and energy efficiency technologies.

From day one at NREL, you'll connect with coworkers driven by the same mission to save the planet. By joining an organization that values a supportive, inclusive, and flexible work environment, you'll have the opportunity to engage through our ten employee resource groups, numerous employee-driven clubs, and learning and professional development classes.

NREL supports inclusive, diverse, and unbiased hiring practices that promote creativity and innovation. By collaborating with organizations that focus on diverse talent pools, reaching out to underrepresented demographics, and providing an inclusive application and interview process, our Talent Acquisition team aims to hear all voices equally. We strive to attract a highly diverse workforce and create a culture where every employee feels welcomed and respected and they can be their authentic selves.

Our planet needs us! Learn about NREL's critical objectives, and see how NREL is focused on saving the planet.

We invite all interested candidates to apply for this opportunity. While we recognize that job seekers may hesitate if they don't meet every requirement, we encourage dedicated individuals who meet all the basic and additional required qualifications of the role to submit an application. We value the opportunity to consider those who believe they have the necessary skills and ambition to succeed at NREL.

Job Description

NREL's Power Systems Engineering Center (PSEC) works on all aspects of grid integration (~~~/) of advanced energy technologies. Within PSEC, the Integrated Devices and Systems (~~~) group focuses on fast timescale challenges related to integration of high levels of inverter-based resources (IBRs), using techniques including power hardware-in-the-loop experimentation, power electronics, phasor-domain dynamic modeling, electromagnetic transient (EMT) modeling, grid integration standards, advanced protection, and advanced controls including grid-forming inverter controls, etc. We often lead research in NREL's power labs including the Energy Systems Integration Facility (~~~) and the Flatirons Campus (~~~) . We work closely with industry partners (~~~) and leading academic researchers to identify solutions for the rapidly evolving power system.

Job duties may include but are not limited to

• Contribute to advancing grid-connected converter design and control technologies

• Develop control techniques for high-power converters in renewable energy applications, such as cascaded multilevel grid-connected converters (CHB-DAB and MMCs) and conventional two or three-level converters

• Analyze novel grid-forming control followed by software and hardware validation

• 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

• 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

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Basic Qualifications

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.

Please Note

• 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.

*** Must meet educational requirements prior to employment start date.**

Additional Required Qualifications

• Must be a Ph.D. Student in electrical engineering or related field

• Demonstrated knowledge or experience in Power Electronics Design and Control (research experience in microgrids, cascaded multilevel converters, or multiple inverter coordination is highly preferred)

• Software skills: MATLAB/Simulink SimPowerSystems, PLECS, PSIM, or other power electronics circuit software simulation tools

• Excellent writing and communications skills and ability to present technical results to wide audience

Preferred Qualifications

• Experience in power converter hardware prototyping and debugging

• Power electronics converter firmware development experience

• Texas Instruments DSP experience including Code Composer Studio and/or Code Generation Environment

• Experience in hardware-in-the-loop testing

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Job Application Submission Window

The anticipated closing window for application submission is up to 30 days and may be extended as needed.

Annual Salary Range (based on full-time 40 hours per week)

Job Profile: / Annual Salary Range: $49,100 - $78,600

NREL takes into consideration a candidate's education, training, and experience, expected quality and quantity of work, required travel (if any), external market and internal value, including seniority and merit systems, and internal pay alignment when determining the salary level for potential new employees. In compliance with the Colorado Equal Pay for Equal Work Act, a potential new employee's salary history will not be used in compensation decisions.

Benefits Summary

Benefits include medical, dental, and vision insurance; 403(b) Employee Savings Plan with employer match*; and sick leave (where required by law). NREL employees may be eligible for, but are not guaranteed, performance-, merit-, and achievement- based awards that include a monetary component. Some positions may be eligible for relocation expense reimbursement. Internships projected to be less than 20 hours per week are not eligible for medical, dental, or vision benefits.

***** Based on eligibility rules

Badging Requirement

NREL is subject to Department of Energy (DOE) access restrictions. All employees must also be able to obtain and maintain a federal Personal Identity Verification (PIV) card as required by Homeland Security Presidential Directive 12 (HSPD-12), which includes a favorable background investigation. Intern assignments extending beyond six months will be subject to this requirement.

Drug Free Workplace

NREL is committed to maintaining a drug-free workplace in accordance with the federal Drug-Free Workplace Act and complies with federal laws prohibiting the possession and use of illegal drugs. Under federal law, marijuana remains an illegal drug.

If you are offered employment at NREL, you must pass a pre-employment drug test prior to commencing employment. Unless prohibited by state or local law, the pre-employment drug test will include marijuana. If you test positive on the pre-employment drug test, your offer of employment may be withdrawn.

Submission Guidelines

Please note that in order to be considered an applicant for any position at NREL you must submit an application form for each position for which you believe you are qualified. Applications are not kept on file for future positions. Please include a cover letter and resume with each position application.

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EEO Policy

NREL is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard basis of age (40 and over), color, disability, gender identity, genetic information, marital status, domestic partner status, military or veteran status, national origin/ancestry, race, religion, creed, sex (including pregnancy, childbirth, breastfeeding), sexual orientation, and any other applicable status protected by federal, state, or local laws.

EEO is the Law (~~~) | Pay Transparency Nondiscrimination (~~~) | Reasonable Accommodations (~~~)

E -Verify ~~~/E-Verify For information about right to work, click here (~~~) for English or here (~~~) for Spanish.

E-Verify is a registered trademark of the U.S. Department of Homeland Security. This business uses E-Verify in its hiring practices to achieve a lawful workforce.

The National Renewable Energy Laboratory (NREL) is a leader in the U.S. Department of Energy's effort to secure an environmentally and economically sustainable energy future. With locations in Golden and Boulder, Colorado, and a satellite office in Washington, D.C., NREL is the primary laboratory for research, development, and deployment of renewable energy technologies in the United States.

NREL is subject to Department of Energy (DOE) access restrictions. All candidates must be authorized to access the facility per DOE rules and guidance within a reasonable time frame for the specified position in order to be considered for an interview and for hiring. DOE rules for site access during the interview process depend on whether the candidate is interviewed on-site, off-site, or via telephone or videoconference. All employees must also be able to obtain and maintain a federal Personal Identity Verification (PIV) card as required by Homeland Security Presidential Directive 12 (HSPD-12), which includes a favorable background investigation. Additionally, DOE contractor employees are prohibited from participating in certain Foreign Government Talent Recruitment Programs (FGTRPs). If a candidate is currently participating in an FGTRP, they will be required to disclose their participation after receiving an offer of employment and may be required to disengage from participation in the FGTRP prior to commencing employment. Any offer of employment is conditional on the ability to obtain work authorization and to be granted access to NREL by the Department of Energy (DOE).

Drug Free Workplace

NREL is committed to maintaining a drug-free workplace in accordance with the federal Drug-Free Workplace Act and complies with federal laws prohibiting the possession and use of illegal drugs. Under federal law, marijuana remains an illegal drug.

If you are offered employment at NREL, you must pass a pre-employment drug test prior to commencing employment. Unless prohibited by state or local law, the pre-employment drug test will include marijuana. If you test positive on the pre-employment drug test, your offer of employment may be withdrawn.

Please review the information on our Hiring Process (~~~) website before you create an account and apply for a job. We also hope you will learn more about NREL (~~~/) , visit our Careers site (~~~/) , and continue to search for job opportunities (~~~) at the lab.