Search Results - "Flicker, Jack"

A Comprehensive Review of Catastrophic Faults in PV Arrays: Types, Detection, and Mitigation Techniques by Alam, Mohammed Khorshed, Khan, Faisal, Johnson, Jay, Flicker, Jack

“…Three major catastrophic failures in photovoltaic (PV) arrays are ground faults, line-to-line faults, and arc faults. Although there have not been many such…”
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An Irradiance-Independent, Robust Ground-Fault Detection Scheme for PV Arrays Based on Spread Spectrum Time-Domain Reflectometry (SSTDR) by Roy, Sourov, Alam, Mohammed Khorshed, Khan, Faisal, Johnson, Jay, Flicker, Jack

“…A healthy photovoltaic (PV) array has a specific impedance between node pairs, and any ground fault changes the impedance values. Reflectometry is a well-known…”
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Reliability of Microinverters for Photovoltaic Systems: High-Temperature Accelerated Testing with Fixed and Cyclic Power Stresses by Afridi, Muhammad, Tatapudi, Sai, Flicker, Jack, Srinivasan, Devarajan, Tamizhmani, Govindasamy

“…This paper presents an extended, accelerated reliability evaluation of forty microinverters, module-level power electronic (MLPE) units for photovoltaic (PV)…”
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Automating Component-Level Stress Measurements for Inverter Reliability Estimation by Flicker, Jack, Johnson, Jay, Hacke, Peter, Thiagarajan, Ramanathan

“…In the near future, grid operators are expected to regularly use advanced distributed energy resource (DER) functions, defined in IEEE 1547-2018, to perform a…”
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Using Energy Storage-Based Grid Forming Inverters for Operational Reserve in Hybrid Diesel Microgrids by Hernandez-Alvidrez, Javier, Darbali-Zamora, Rachid, Flicker, Jack D., Shirazi, Mariko, VanderMeer, Jeremy, Thomson, William

“…In remote arctic communities, where access to a bulk electrical grid interconnection is not available, the implementation of islanded microgrids has been the…”
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Interconnection Standard Grid-Support Function Evaluations Using an Automated Hardware-in-the-Loop Testbed by Johnson, Jay, Ablinger, Ron, Bruendlinger, Roland, Fox, Bob, Flicker, Jack

“…Grid operators are increasingly turning to advanced grid-support functions in distributed energy resources (DER) to assist with distribution circuit voltage…”
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Power Hardware-in-the-Loop Interface Method for Grid Forming Inverters Using a Voltage-Controlled Power Amplifier by Hernandez-Alvidrez, Javier, Darbali-Zamora, Rachid, Flicker, Jack D., Gurule, Nicholas S.

“…Incorporating grid-forming inverters (GFMI) into a power hardware-in-the-loop (PHIL) setup presents critical stability challenges if the GFMI operates in…”
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Grid-forming Inverter Experimental Testing of Fault Current Contributions by Gurule, Nicholas Sonny, Hernandez-Alvidrez, Javier, Reno, Matthew J., Summers, Adam, Gonzalez, Sigifredo, Flicker, Jack

“…Historically, photovoltaic inverters have been grid-following controlled, but with increasing penetrations of inverter-based generation on the grid,…”
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Evaluation of an Autonomous Control Scheme for Interconnected DC Microgrids Using a Power Hardware-in-the-Loop Platform by Gonzalez-Candelario, Carlos O., Darbali-Zamora, Rachid, Aponte-Bezares, Erick E., Flicker, Jack D., Neely, Jason C., Rashkin, Lee J., Patarroyo-Montenegro, Juan F., Rengifo, Fabio Andrade

“…DC microgrids (DCMGs), typically envisioned with high bandwidth communications, may well expand their application range by considering additional autonomous…”
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Development of Hierarchical Control for a Lunar Habitat DC Microgrid Model Using Power Hardware-in-the-Loop by Dow, Andrew R. R., Darbali-Zamora, Rachid, Flicker, Jack D., Palacios, Felipe, Csank, Jeffrey T.

“…As interest in space exploration grows, developing a lunar habitat has become a key component of extending missions into deep space. To guarantee reliable…”
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Experimental Evaluation of Grid-Forming Inverters Under Unbalanced and Fault Conditions by Gurule, Nicholas S., Hernandez-Alvidrez, Javier, Darbali-Zamora, Rachid, Reno, Matthew J., Flicker, Jack D.

“…With inverter-based distributed energy resources (DERs) becoming more prevalent in grid-connected or islanded distribution feeders, a better understanding of…”
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Development of an Adaptive Droop Control Method for Interconnected Lunar DC Microgrids Using Power Hardware-in-the-Loop by Dow, Andrew R. R., Darbali-Zamora, Rachid, Palacios II, Felipe, Flicker, Jack D., Carbone, Marc A., Csank, Jeffrey T.

“…NASA's Artemis Program outlines the need for a lunar habitat capable of sustaining human life as well as mining and producing raw materials on the lunar…”
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Method to Interface Grid-Forming Inverters into Power Hardware in the Loop Setups by Hernandez-Alvidrez, Javier, Gurule, Nicholas S., Reno, Matthew J., Flicker, Jack D., Summers, Adam, Ellis, Abraham

“…During the last decade, utility companies around the world have experienced a significant increase in the occurrences of either planned or unplanned blackouts,…”
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Modeling a Grid-Forming Inverter Dynamics Under Ground Fault Scenarios Using Experimental Data From Commercially Available Equipment by Hernandez-Alvidrez, Javier, Gurule, Nicholas S., Darbali-Zamora, Rachid, Reno, Matthew J., Flicker, Jack D.

“…In order to address the recent inclement weather-related energy events, electricity production is experiencing an important transition from conventional fossil…”
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Autonomous Control Strategies for Interconnected DC Microgrids with Geographical Separation by Robles-Rivera, Emmanuel G., Darbali-Zamora, Rachid, Aponte-Bezares, Erick E., Flicker, Jack D., Dow, Andrew R. R., Palacios, Felipe, Rashkin, Lee

“…Distributed Energy Resources (DER) with renewable energy sources are propagating quickly and as such, research for integrating these new technologies more…”
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Autonomous Control Strategies for Interconnected DC Microgrid Applications with Multiple DER Resource Penetration by Gonzalez-Candelario, Carlos O., Darbali-Zamora, Rachid, Flicker, Jack D., Rashkin, Lee, Neely, Jason, Aponte-Bezares, Erick E.

“…DC microgrids envisioned with high bandwidth communications may well expand their application range by considering autonomous strategies as resiliency…”
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Updated evaluation of shock hazards to firefighters working in proximity of PV systems by Lavrova, Olga, Quiroz, Jimmy E., Flicker, Jack, Gooding, Renee

“…Sandia National Laboratories (SNL) is evaluating a variety of Photovoltaic (PV) operating conditions that have raised concern of shock hazard among…”
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Photovoltaic ground fault detection recommendations for array safety and operation by Flicker, Jack, Johnson, Jay

“…•Examined ground faults in PV arrays and the efficacy of fuse, RCD/CSM, and Riso protection devices.•Decreasing fuse ratings below 1A does not improve fault…”
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Design optimization of GaN vertical power diodes and comparison to Si and SiC by Flicker, Jack, Kaplar, Robert

“…In order to determine how material characteristics percolate up to system-level improvements in power dissipation for different material systems and device…”
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Model Characterization and Frequency Regulation in Wind-Diesel Hybrid Microgrids by Wilches-Bemal, Felipe, Darbali-Zamora, Rachid, Naughton, Brian T., Flicker, Jack D.

“…This paper investigates the ability of a Type-4 wind turbine generator (WTG) to provide frequency regulation and damping support in an isolated microgrid. The…”
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