- Microgrid Control and Optimization
- HVDC Systems and Fault Protection
- Islanding Detection in Power Systems
- Smart Grid Energy Management
- Wind Turbine Control Systems
- High-Voltage Power Transmission Systems
- Nuclear Engineering Thermal-Hydraulics
- Wind Energy Research and Development
- Power System Optimization and Stability
- Blockchain Technology Applications and Security
- Water-Energy-Food Nexus Studies
- Risk and Safety Analysis
- Wind and Air Flow Studies
- Quantum Dots Synthesis And Properties
- Nanowire Synthesis and Applications
- Migration, Health and Trauma
- Hybrid Renewable Energy Systems
- Wave and Wind Energy Systems
- Chalcogenide Semiconductor Thin Films
- Power Systems Fault Detection
- Smart Grid Security and Resilience
- Optimal Power Flow Distribution
University of North Carolina at Charlotte
2017-2023
North South University
2013
Science North
2013
The rapid development and wide acceptance of microgrids call for new methodologies to comprehensively model all the active components within specifically focus on islanding requirements when main grid power is not available. To ensure a high level reliability interconnected microgrid (MG) network, an optimal scheduling proposed that minimizes day-ahead cost MGs, while considering existing operational constraints. original problem decomposed into two operating conditions, namely,...
Many electric utility companies around the United States have adopted plans for achieving net zero emissions by middle of century. This paper takes a critical look at and strategic initiatives taken large investor-owned company to achieve goal net-zero carbon 2050. A 15-year generation resource plan was presented in its recent integrated (IRP 2020), which included multiple portfolios meet set goal. review this reveals that rely predominantly on natural gas-fired plants (replacing coal-fired...
This paper focuses on the power sharing amongst Voltage Source Converters (VSC) in a Multi-Terminal High DC (MT-HVDC) system. A four terminal VSC-HVDC system is modeled PSCAD/EMTDC that connects Offshore Wind Farms (OWF) with onshore grids via VSCs which share available based voltage droop. achieved by effectively controlling droop setting. Besides presenting droop-based scheme, this also compares total losses both AC and side as injection from OWF changed due to converter outage changes...
This paper focuses on the small signal stability analysis of Doubly Fed Induction Generator (DFIG) and Direct Drive Synchronous (DDSG) integrated power system. For this purpose, one synchronous generator in IEEE 14 bus test system is first replaced by a DFIG, then DDSG while wind penetration varied between 24-40%. PSAT, Matlab based toolbox used to perform analysis, where eigenvalues give insight into oscillations damping. In order improve damping Wind Turbine (WTG) system, Power System...
This paper features mathematical morphological filter-based fault detection in a DC ring microgrid system for hybrid circuit breakers. With the current threshold-based scheme, slower response time can result higher seen by protection devices. The scheme presented this does not only ensure faster and lower current, but also promises communication free coordination. key components of breaker are selected based on specific design metrics topology is implemented MATLAB/Simulink environment. then...
The Voltage Source Converter (VSC)-based MultiTerminal High DC (MT-HVDC) system is now considered the most effective and reliable method for integrating Offshore Wind Farms (OWF) with onshore grids. This paper focuses on methods by which wind-generated power can be shared among individual VSCs during contingencies without violating system-wide voltage constraints. A four terminal VSCHVDC modeled in PSCAD/EMTDC that connects OWFs grids via share available based droop. sharing AC/DC control...
Solar cells consisting of quantum dots the same size have been worked on till date. Our work focuses varying and increasing Incident Photon to Current Conversion Efficiency intrinsic layer a Silicon solar cell. We able increase IPCE up 70% 140% by widely sizes Cadmium Selenite Telluride respectively. Their total volume fractions were kept constant.
This paper focuses on accurate power-sharing and maintaining stability among offshore microgrids (MGs) connected to a multi-terminal High Voltage DC (HVDC). The MG cluster containing three AC micro grids is one of the four terminals HVDC system. Each in equipped with multiple Marine Hydrokinetic (MHK) sources battery energy storage (BES) which serve its loads. proposes P-V droop-based Grid Forming (GFM) inverter control technology applied BES converter, enabling parallel-connected MGs...
This paper focuses on the islanding operation of wind turbine generator (WTG) type 4 (Permanent Magnet Synchronous Generator or PMSG). An AC microgrid, equipped with multiple WTGs and energy storage serves its own loads. Grid Forming (GFM) inverter control technology is applied to PMSG converter enable operate independently without need an storage. A P- V droop method at power reference ensure faster over voltage. Simulation results various contingency scenarios are presented demonstrate...
Grid-edge technologies are altering the traditional topology and functionality of power grid, in which electricity flows only downstream. Distributed energy resources (DERs) being increasingly incorporated into bi-directional grid using modern communication technologies, further decentralizing generation. Since intelligent relies so heavily on transaction data, safeguarding user identities sensitive information online is paramount importance. This study evaluates maturity various grid-edge...
Marine Hydro-Kinetic (MHK) is renewable energy in the moving waters of oceans. This research proposes a method for estimating total MHK harvested by turbines spatially distributed ocean current. The variable time and space. represented an algorithm implemented MATLAB. It reads hourly measurements seawater speed to estimate power profile generated farms. In U.S., some from high-frequency (HF) radars coastal areas are publicized on internet National Oceanic Atmospheric Administration (NOAA)....