Rachid Darbali-Zamora

Principal Member of Technical Staff

Principal Member of Technical Staff

rdarbal@sandia.gov

Biography

Rachid Darbali-Zamora is a Principal Member of Technical Staff (PMTS) in the Resilient Energy and Distributed Systems Integration (RDSI) group at Sandia National Laboratories. He received his B.S. and M.S. in Electrical Engineering from the University of Puerto Rico- Mayagüez in 2013 and 2016, respectively. He received his Ph.D. in the field of Power and Energy Engineering from the University of Puerto Rico-Mayagüez. Dr. Darbali-Zamora was awarded the NASA Puerto Rico Space Grant Consortium (PRSGC) fellowship in 2015, the Transformational Initiative for Graduate Education and Research (TIGER) fellowship in 2016 and the GEM fellowship in 2018. In 2019 he became an adjunct professor at the University of Puerto Rico-Mayagüez. As a staff member at Sandia National Laboratories, he supports student internships through several Minority Serving Institute Partnership Programs (MSIPP). His research interests include distributed energy resources, photovoltaic inverters, wind turbine generators, grid services for voltage and frequency, microgrids, power hardware-in-the-loop (PHIL) experiments, resilient energy systems, high density power supplies, electric vehicles and power electronics applied to aerospace systems.

Education

  • Ph.D., Energy Engineering, University of Puerto Rico-Mayaguez – 2019
  • Masters of Science, Electrical Engineering, University of Puerto Rico-Mayaguez – 2016
  • Bachelors of Science, Electrical Engineering, University of Puerto Rico-Mayaguez – 2013

Google Scholar

Rachid Darbali-Zamora

Publications

  • Reno, M.J., Jimenez-Aparicio, M., Patel, T., Summers, A., Hernandez-Alvidrez, J., Wilches-Bernal, F., Montoya, A., Dow, A.R.R., Kelly, D.J., Matthews, R., Ojetola, S.T., Darbali-Zamora, R., Palacios, F., Flicker, J.D., Bidram, A., Paruthiyil, S.K., Montoya, R., Poudel, B., Rajendra-Kurup, A., … Bauer, D. (2024). Adaptive Protection and Control for High Penetration PV and Grid Resilience (Final Technical Report). https://doi.org/10.2172/2382709 Publication ID: 124860
  • Jimenez-Aparicio, M., Darbali-Zamora, R., & Darbali-Zamora, R. (2023). Reactive Power Control for Fast-Acting Voltage Regulation of Distributed Wind Turbines Using Reinforcement Learning [Conference Presenation]. 2023 IEEE Kansas Power and Energy Conference, KPEC 2023. https://doi.org/10.2172/2431395 Publication ID: 128880
  • Reno, M.J., Ropp, M.E., Tamrakar, U., Darbali-Zamora, R., Broderick, R.J., & Broderick, R.J. (2022). Designing Resilient Communities: Hardware demonstration of resilience nodes concept. https://doi.org/10.2172/1902867 Publication ID: 80460
  • Berg, J.C., Darbali-Zamora, R., Naughton, B.T., & Naughton, B.T. (2022). Distributed Energy Technologies Laboratory Wind Turbine Emulator Design Documentation. https://doi.org/10.2172/1899657 Publication ID: 80440
  • Jimenez-Aparicio, M., Wilches-Bernal, F., Darbali-Zamora, R., Haines, T., Schoenwald, D.A., Alam, S.M.S., Gevorgian, V., Yan, W., & Yan, W. (2022). Simulink Modeling and Dynamic Study of Fixed-Speed, Variable-Speed, and Ternary Pumped Storage Hydropower. https://doi.org/10.2172/1887487 Publication ID: 80190
  • Hansen, C., Johnson, J., Darbali-Zamora, R., Gurule, N., Gonzalez, S., Theristis, M., & Theristis, M. (2022). MODELING INVERTERS WITH MULTIPLE INPUTS: TEST PROCEDURE FOR MEASURING EFFICIENCY [Conference Paper]. https://www.osti.gov/biblio/2004840 Publication ID: 118184
  • Hansen, C., Johnson, J., Darbali-Zamora, R., Gurule, N., Gonzalez, S., Theristis, M., & Theristis, M. (2022). Modeling Efficiency of Inverters with Multiple Inputs: Test Procedure for Measuring Efficiency [Conference Poster]. https://doi.org/10.2172/2004793 Publication ID: 118000
  • Jones, C.B., Darbali-Zamora, R., Lave, M., Aponte-Bezares, E., & Aponte-Bezares, E. (2022). Grid-Forming Inverter?s Capability to Support Dynamic Microgrids with High Penetrations of Photovoltaics Systems [Conference Poster]. https://doi.org/10.2172/2003511 Publication ID: 113364
  • Darbali-Zamora, R., Jones, C.B., Aponte-Bezares, E., & Aponte-Bezares, E. (2022). Grid-Forming Inverter?s Capability to Support Dynamic Microgrids with High Penetrations of Photovoltaics Systems [Conference Paper]. https://doi.org/10.1109/PVSC48317.2022.9938958 Publication ID: 113168
  • Dow, A.R.R., Darbali-Zamora, R., Flicker, J.D., Palacios, F., Csank, J.T., & Csank, J.T. (2022). PVSC 2022 Poster Development of Hierarchical Control for a Lunar Habitat DC Microgrid Model Using Power Hardware-in-the-Loop [Conference Poster]. https://doi.org/10.2172/2003456 Publication ID: 113148
  • Darbali-Zamora, R., Flicker, J.D., Palacios, F., Csank, J.T., Dow, A.R.R., & Dow, A.R.R. (2022). Development of Hierarchical Control for a Lunar Habitat DC Microgrid Model Using Power Hardware-in-the-Loop [Conference Paper]. https://www.osti.gov/biblio/2003438 Publication ID: 113080
  • Hansen, C., Johnson, J., Darbali-Zamora, R., Gurule, N., & Gurule, N. (2022). Modeling Efficiency of Inverters with Multiple Inputs [Conference Poster]. https://doi.org/10.2172/2003432 Publication ID: 113056
  • Jones, C.B., Theristis, M., Darbali-Zamora, R., Ropp, M.E., Reno, M.J., & Reno, M.J. (2022). Switch Location Identification for Integrating a Distant Photovoltaic Array Into a Microgrid. IEEE Access, 10, pp. 57902-57913. https://doi.org/10.1109/access.2022.3177143 Publication ID: 80109
  • Jones, C.B., Bresloff, C., Darbali-Zamora, R., Lave, M., Aponte-Bezares, E., & Aponte-Bezares, E. (2022). Geospatial Assessment Methodology to Estimate Power Line Restoration Access Vulnerabilities After a Hurricane in Puerto Rico. IEEE Open Access Journal of Power and Energy, 9, pp. 298-307. https://doi.org/10.1109/oajpe.2022.3191954 Publication ID: 80108
  • Haines, T., Wilches-Bernal, F., Darbali-Zamora, R., Jimenez-Aparicio, M., & Jimenez-Aparicio, M. (2022). Flexible Control of Synthetic Inertia in Co-Located Clusters of Inverter-Based Resources [Conference Paper]. 2022 IEEE Power and Energy Conference at Illinois, PECI 2022. https://doi.org/10.1109/PECI54197.2022.9744013 Publication ID: 107188
  • Wilches-Bernal, F., Haines, T., Darbali-Zamora, R., Jimenez-Aparicio, M., & Jimenez-Aparicio, M. (2022). A Resource Aware Droop Control Strategy for a PV, Wind, and Energy Storage Flexible Power (Flexpower) Plant [Conference Presenation]. 2022 IEEE Kansas Power and Energy Conference, KPEC 2022. https://doi.org/10.2172/2002469 Publication ID: 110796
  • Hansen, C., Johnson, J., Darbali-Zamora, R., Gurule, N., & Gurule, N. (2022). Modeling Efficiency of Inverters with Multiple Inputs [Conference Paper]. Conference Record of the IEEE Photovoltaic Specialists Conference. https://doi.org/10.1109/PVSC48317.2022.9938490 Publication ID: 112884
  • Azzolini, J.A., Gurule, N., Darbali-Zamora, R., Reno, M.J., & Reno, M.J. (2022). Analyzing Hosting Capacity Protection Constraints Under Time-Varying PV Inverter Fault Response [Conference Presenation]. Conference Record of the IEEE Photovoltaic Specialists Conference. https://doi.org/10.2172/2003505 Publication ID: 113340
  • Haines, T., Darbali-Zamora, R., Jimenez-Aparicio, M., Wilches-Bernal, F., & Wilches-Bernal, F. (2022). The Impact of Co-Located Clusters of Inverter-Based Resources on a Performance-Based Regulation Market Metric [Conference Paper]. 2022 North American Power Symposium, NAPS 2022. https://doi.org/10.1109/NAPS56150.2022.10012240 Publication ID: 117208
  • Haines, T., Darbali-Zamora, R., Jimenez-Aparicio, M., Wilches-Bernal, F., & Wilches-Bernal, F. (2022). The Impact of Co-Located Clusters of Inverter-Based Resources on a Performance-Based Regulation Market Metric [Conference Paper]. 2022 North American Power Symposium, NAPS 2022. https://doi.org/10.1109/NAPS56150.2022.10012240 Publication ID: 115484
  • Darbali-Zamora, R., Ojetola, S.T., Wilches-Bernal, F., Berg, J.C., & Berg, J.C. (2022). Development of a Wind Turbine Generator Volt-Var Curve Control for Voltage Regulation in Grid Connected Systems [Conference Paper]. 2022 North American Power Symposium, NAPS 2022. https://doi.org/10.1109/NAPS56150.2022.10012174 Publication ID: 115520
  • Azzolini, J.A., Gurule, N., Darbali-Zamora, R., Reno, M.J., & Reno, M.J. (2022). Analyzing Hosting Capacity Protection Constraints Under Time-Varying PV Inverter Fault Response [Conference Proceeding]. Conference Record of the IEEE Photovoltaic Specialists Conference. https://doi.org/10.1109/PVSC48317.2022.9938535 Publication ID: 112720
  • North Piegan, G.E., Darbali-Zamora, R., Berg, J.C., & Berg, J.C. (2022). Development and Validation of a Wind Turbine Generator Simulation Model [Conference Paper]. 2022 North American Power Symposium, NAPS 2022. https://doi.org/10.1109/NAPS56150.2022.10012197 Publication ID: 115516
  • Barrows, S., Mongird, K., Naughton, B., Darbali-Zamora, R., & Darbali-Zamora, R. (2021). Valuation of distributed wind in an isolated system. Energies, 14(21). https://doi.org/10.3390/en14216956 Publication ID: 103772
  • Johnson, J., Reno, M.J., Darbali-Zamora, R., Summers, A., & Summers, A. (2021). Power Hardware-in-the-Loop Research at Sandia National Laboratories: Devices-to-Systems [Conference Presenation]. https://doi.org/10.2172/1881705 Publication ID: 79705
  • Darbali-Zamora, R., Gurule, N., Hernandez-Alvidrez, J., Gonzalez, S., Reno, M.J., & Reno, M.J. (2021). Performance of a Grid-Forming Inverter under Balanced and Unbalanced Voltage Phase Angle Jump Conditions [Conference Paper]. Conference Record of the IEEE Photovoltaic Specialists Conference. https://doi.org/10.1109/PVSC43889.2021.9518539 Publication ID: 78937
  • Gonzalez-Candelario, C.O., Darbali-Zamora, R., Flicker, J.D., Rashkin, L.J., Neely, J.C., Aponte-Bezares, E., & Aponte-Bezares, E. (2021). Autonomous Control Strategies for Interconnected DC Microgrid Applications with Multiple der Resource Penetration [Conference Paper]. Conference Record of the IEEE Photovoltaic Specialists Conference. https://doi.org/10.1109/PVSC43889.2021.9518529 Publication ID: 78947
  • Desarden-Carrero, E., Darbali-Zamora, R., Aponte-Bezares, E., & Aponte-Bezares, E. (2021). Analysis of Grid Support Functionality Dynamics under Ride-Through Requirements Using Power-Hardware-in-the-Loop Implementation [Conference Paper]. Conference Record of the IEEE Photovoltaic Specialists Conference. https://doi.org/10.1109/PVSC43889.2021.9518679 Publication ID: 78946
  • Saavedra-Pena, N.E., Darbali-Zamora, R., Desarden-Carrero, E., Aponte-Bezares, E., & Aponte-Bezares, E. (2021). Towards an Islanding Detection Method Using a Digital Twin Concept [Conference Paper]. Conference Record of the IEEE Photovoltaic Specialists Conference. https://doi.org/10.1109/PVSC43889.2021.9518940 Publication ID: 78938
  • Gurule, N., Azzolini, J.A., Darbali-Zamora, R., Reno, M.J., & Reno, M.J. (2021). Impact of Grid Support Functionality on PV Inverter Response to Faults [Conference Poster]. Conference Record of the IEEE Photovoltaic Specialists Conference. https://doi.org/10.2172/1876999 Publication ID: 78906
  • Hernandez-Alvidrez, J., Gurule, N., Darbali-Zamora, R., Reno, M.J., Flicker, J.D., & Flicker, J.D. (2021). Modeling a Grid-Forming Inverter Dynamics under Ground Fault Scenarios Using Experimental Data from Commercially Available Equipment [Conference Paper]. Conference Record of the IEEE Photovoltaic Specialists Conference. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85115945994&origin=inward Publication ID: 78904
  • Jones, C.B., Ropp, M.E., Hernandez-Alvidrez, J., Darbali-Zamora, R., & Darbali-Zamora, R. (2021). Optimized Control of Distribution Switches to Balance a Low Cost Photovoltaic Microgrid [Conference Paper]. Conference Record of the IEEE Photovoltaic Specialists Conference. https://doi.org/10.1109/PVSC43889.2021.9518413 Publication ID: 78849
  • Hernandez-Alvidrez, J., Gurule, N., Darbali-Zamora, R., Reno, M.J., Flicker, J.D., & Flicker, J.D. (2021). Modeling Grid-Forming Inverter Dynamics Under Ground Fault Scenarios Using Experimental Data From Commercially Available Equipment [Conference Presenation]. https://doi.org/10.2172/1876602 Publication ID: 78974
  • Gurule, N., Azzolini, J.A., Darbali-Zamora, R., Reno, M.J., & Reno, M.J. (2021). Impact of Grid Support Functionality on PV Inverter Response to Faults [Conference Paper]. https://www.osti.gov/biblio/1877516 Publication ID: 78905
  • Naughton, B., Darbali-Zamora, R., & Darbali-Zamora, R. (2021). MIRACL Advisory Board Meeting ? Sandia Updates [Presentation]. https://www.osti.gov/biblio/1865250 Publication ID: 78214
  • Darbali-Zamora, R., Wilches-Bernal, F., Naughton, B., & Naughton, B. (2021). Configurable Microgrid Modelling with Multiple Distributed Energy Resources for Dynamic System Analysis [Conference Presenation]. IEEE Power and Energy Society General Meeting. https://doi.org/10.2172/1884173 Publication ID: 79032
  • Darbali-Zamora, R., Gonzalez, S., Reno, M.J., Gurule, N., & Gurule, N. (2021). Performance of a Grid-Forming Inverter Under Balanced and Unbalanced Voltage Phase Angle Jump Conditions [Conference Paper]. https://doi.org/10.1109/PVSC43889.2021.9518539 Publication ID: 75170
  • Darbali-Zamora, R., Wilches-Bernal, F., Naughton, B., & Naughton, B. (2020). Microgrid Modelling for Power Management of Multiple Distributed Energy Resources [Conference Paper]. https://www.osti.gov/biblio/1876712 Publication ID: 71796
  • Gurule, N., Hernandez-Alvidrez, J., Darbali-Zamora, R., Reno, M.J., Flicker, J.D., & Flicker, J.D. (2020). Experimental Evaluation of Grid-Forming Inverters under Unbalanced and Fault Conditions [Conference Poster]. IECON Proceedings (Industrial Electronics Conference). https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85097760823&origin=inward Publication ID: 73536
  • Jones, C.B., Lave, M., Reno, M.J., Darbali-Zamora, R., Summers, A., Hossain-McKenzie, S., & Hossain-McKenzie, S. (2020). Volt-var curve reactive power control requirements and risks for feeders with distributed roof-top photovoltaic systems. Energies, 13(17). https://doi.org/10.3390/en13174303 Publication ID: 99348
  • Jones, C.B., Lave, M., Darbali-Zamora, R., & Darbali-Zamora, R. (2020). Overall capacity assessment of distribution feeders with different electric vehicle adoptions [Conference Poster]. IEEE Power and Energy Society General Meeting. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85099119517&origin=inward Publication ID: 74123
  • Darbali-Zamora, R., Flicker, J.D., Gonzalez, S., & Gonzalez, S. (2020). 8812 Renewable Distributed Systems Integration (RDSI): Research in Power Hardware-in-the-Loop Grid Forming Inverter Technology [Presentation]. https://www.osti.gov/biblio/1813537 Publication ID: 74506
  • Summers, A., Johnson, J., Darbali-Zamora, R., Hansen, C., Anandan, J., Showalter, C., & Showalter, C. (2020). A comparison of der voltage regulation technologies using real-time simulations. Energies, 13(14). https://doi.org/10.3390/en13143562 Publication ID: 73541
  • Darbali-Zamora, R., Gurule, N., Gonzalez, S., Aponte-Bezares, E., Desarden-Carrero, E., & Desarden-Carrero, E. (2020). Evaluation of the IEEE Std 1547.1-2020 Unintentional Islanding Test Using Power Hardware-in-the-Loop [Conference Poster]. https://www.osti.gov/biblio/1798070 Publication ID: 73824
  • Darbali-Zamora, R., Gurule, N., Gonzalez, S., Desarden-Carrero, E., Aponte-Bezares, E., & Aponte-Bezares, E. (2020). Evaluation of the IEEE Std 1547.1-2020 Unintentional Islanding Test Using Power Hardware-in-the-Loop [Conference Poster]. https://www.osti.gov/biblio/1798069 Publication ID: 73823
  • Rashkin, L.J., Neely, J.C., Gill, L., Flicker, J.D., Darbali-Zamora, R., & Darbali-Zamora, R. (2020). Optimal power module design for high power density traction drive system [Conference Poster]. 2020 IEEE Transportation Electrification Conference and Expo, ITEC 2020. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85096549669&origin=inward Publication ID: 73712
  • Darbali-Zamora, R., Johnson, J., Reno, M.J., Gurule, N., Ninad, N., Apablaza-Arancibia, E., & Apablaza-Arancibia, E. (2020). Evaluation of Photovoltaic Inverters Under Balanced and Unbalanced Votlage Phase Angle Jump Conditions [Conference Poster]. https://www.osti.gov/biblio/1807349 Publication ID: 73695
  • Darbali-Zamora, R., Johnson, J., Reno, M.J., Gurule, N., Ninad, N., Apablaza-Arancibia, E., & Apablaza-Arancibia, E. (2020). Evaluation of Photovoltaic Inverters Under Balanced and Unbalanced Votlage Phase Angle Jump Conditions [Conference Poster]. https://www.osti.gov/biblio/1807348 Publication ID: 73694
  • Rashkin, L.J., Neely, J.C., Gill, L., Flicker, J.D., Darbali-Zamora, R., & Darbali-Zamora, R. (2020). Optimal Power Module Design for High Power Density Traction Drive System [Conference Poster]. https://www.osti.gov/biblio/1783650 Publication ID: 73527
  • Jones, C.B., Chavez, A.R., Darbali-Zamora, R., Hossain-McKenzie, S., & Hossain-McKenzie, S. (2020). Implementation of intrusion detection methods for distributed photovoltaic inverters at the grid-edge [Conference Poster]. 2020 IEEE Power and Energy Society Innovative Smart Grid Technologies Conference, ISGT 2020. https://doi.org/10.1109/ISGT45199.2020.9087756 Publication ID: 71958
  • Jones, C.B., Chavez, A.R., Darbali-Zamora, R., Hossain-McKenzie, S., & Hossain-McKenzie, S. (2019). Implementation of Intrusion Detection Methods for Distributed Photovoltaic Inverters at the Grid-Edge [Conference Poster]. https://doi.org/10.1109/ISGT45199.2020.9087756 Publication ID: 64683
  • Darbali-Zamora, R., Hernandez-Alvidrez, J., Summers, A., Gurule, N., Reno, M.J., Johnson, J.B., & Johnson, J.B. (2019). Distribution Feeder Fault Comparison Utilizing a Real-Time Power Hardware-in-the-Loop Approach for Photovoltaic System Applications [Conference Poster]. Conference Record of the IEEE Photovoltaic Specialists Conference. https://doi.org/10.1109/PVSC40753.2019.8980944 Publication ID: 69206
  • Darbali-Zamora, R., Hernandez-Alvidrez, J., Summers, A., Gurule, N., Reno, M.J., Johnson, J.B., & Johnson, J.B. (2019). Distribution Feeder Fault Comparison Utilizing a Real-Time Power Hardware-in-the-Loop Approach for Photovoltaic System Applications [Conference Poster]. Conference Record of the IEEE Photovoltaic Specialists Conference. https://doi.org/10.1109/PVSC40753.2019.8980944 Publication ID: 69198
  • Summers, A., Hernandez-Alvidrez, J., Darbali-Zamora, R., Reno, M.J., Johnson, J.B., Gurule, N., & Gurule, N. (2019). Comparison of Ideal Transformer Method and Damping Impedance Method for PV Power-Hardware-In-The-Loop Experiments [Conference Poster]. Conference Record of the IEEE Photovoltaic Specialists Conference. https://doi.org/10.1109/PVSC40753.2019.8980690 Publication ID: 69163
  • Summers, A., Hernandez-Alvidrez, J., Darbali-Zamora, R., Reno, M.J., Johnson, J.B., Gurule, N., & Gurule, N. (2019). Comparison of Ideal Transformer Method and Damping Impedance Method for PV Power-Hardware-In-The-Loop Experiments [Conference Poster]. Conference Record of the IEEE Photovoltaic Specialists Conference. https://doi.org/10.1109/PVSC40753.2019.8980690 Publication ID: 69084
  • Hansen, C., Johnson, J., Darbali-Zamora, R., & Darbali-Zamora, R. (2019). Voltage Regulation and Protection Assurance using DER Advanced Grid Functions [Presentation]. https://www.osti.gov/biblio/1648795 Publication ID: 68587
Showing 10 of 56 publications.