A5046980382- Microgrid Control and Optimization
- Photovoltaic System Optimization Techniques
- Advanced Battery Technologies Research
- Smart Grid Energy Management
- Hybrid Renewable Energy Systems
- Energy Harvesting in Wireless Networks
- Energy and Environment Impacts
- Semiconductor Quantum Structures and Devices
- Electric Vehicles and Infrastructure
- Advancements in Battery Materials
- solar cell performance optimization
- Solar Radiation and Photovoltaics
- Solar Thermal and Photovoltaic Systems
- Photovoltaic Systems and Sustainability
- Power Systems and Renewable Energy
- Silicon and Solar Cell Technologies
- Transition Metal Oxide Nanomaterials
- Advanced DC-DC Converters
- Industrial Vision Systems and Defect Detection
- Thermal Radiation and Cooling Technologies
- Nanowire Synthesis and Applications
- Advanced Battery Materials and Technologies
- Chemical Synthesis and Reactions
- Extraction and Separation Processes
- Transportation and Mobility Innovations
Saudi Aramco (Saudi Arabia)
2025
Kohat University of Science and Technology
2025
University College London
1982-2024
UNSW Sydney
2024
Lahore University of Management Sciences
2015-2024
Bahauddin Zakariya University
2024
Life Cycle Engineering (United States)
2024
University of Maryland, College Park
2024
Heriot-Watt University
2019
Aalborg University
2018
In this paper, we detail the design, analysis, and implementation of a highly distributed off-grid solar photovoltaic dc microgrid architecture suitable for rural electrification in developing countries. The proposed is superior comparison with existing architectures because its 1) generation storage scalability, 2) higher distribution efficiency (because lower line losses), 3) ability to provide power larger communal loads without requirement large, dedicated by extracting benefit usage...
DC microgrids built through a bottom-up approach are becoming popular for swarm electrification due to their scalability and resource-sharing capabilities. However, they typically require sophisticated control techniques involving communication among the distributed resources stable coordinated operation. In this work, we present communication-less strategy decentralized of photovoltaic (PV)/battery-based highly dc microgrid. The architecture consists clusters nanogrids (households), where...
Low-voltage, low-power solar photovoltaic (PV) based dc microgrids are becoming very popular in nonelectrified regions of developing countries due to lower upfront costs compared utility grid alternatives and limited power needs rural occupants. The optimal planning distribution architecture along with sizing various system components such as panels, batteries, conductors is essential for minimizing the cost enhance its utilization. In this paper, we develop a framework design low-voltage...
DC networks for residential consumers have gained attraction in recent years, primarily due to building-integrated photovoltaics and increasing electronic loads coupled with the decreasing prices of appliances. Unlike AC (110V, 60Hz, or 220 V, 50Hz), existing standards distribution are disjoint, ranging from 48V 380V voltage selection affecting system efficiency. In this work, we formulate a framework analyze impact various voltages on losses incorporating both power conversion losses....
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Photovoltaic solar home systems (SHSs) provide a cost-effective solution for the limited electrification of remote off-grid communities. However, due to their standalone nature, benefit usage diversity cannot be extracted. In this paper, we present power electronic interface along with decentralized control scheme integration SHSs driving community load applications. Power consists an isolated boost converter capable support dc bus integration, thereby it formulates microgrid through...
Grid-connected rooftop and ground-mounted solar photovoltaics (PV) systems have gained attraction globally in recent years due to (a) reduced PV module prices, (b) maturing inverter technology, (c) incentives through feed-in tariff (FiT) or net metering. The large penetration of grid-connected PVs coupled with nonlinear loads bidirectional power flows impacts grid voltage levels total harmonic distortion (THD) at the low-voltage (LV) distribution feeder. In this study, LV quality issues...
Return on investment (ROI) analyses of solar photovoltaic (PV) systems used for residential usage have typically shown that at least 10 to 12 years is needed break even, with this amount varying based tax credits and reliability. This paper discusses the challenges reliability current key bottlenecks, a focus ROI. The problem stems primarily from issues currently available power electronics hardware. paper's analysis failure data shows short warranties concerns associated PV inverters reduce...
In this work, central and distributed architectures of DC microgrids for rural electrification are analyzed under various operating conditions. the proposed scheme, a single household consumer forms atomic nanogrid unit which may integrate its resources in scalable model with community to form microgrid, without dependence national grid. The flow power between houses microgrid is implemented through bidirectional flyback converter. operation scheme two different architectures, i.e....
Partial shading, commonly observed in domestic rooftop solar photovoltaic (PV) deployments, can be highly detrimental to the performance ratio (PR) of a PV system. Typically, for installations, string‐inverter or module micro‐inverter configurations are deployed. While level micro‐inverters generally present better response non‐uniform distributions sunlight, they still less common and therefore, costly many emerging markets. String‐level implementations, on other hand, widely deployed as...
Plug-in electric buses (PEBs) are a promising alternative to conventional provide sustainable, economical, and efficient mode of transportation. However, electrification public transportation leads phenomenon peak load that impacts the stability low voltage (LV) feeders. In this context, effective integration an energy storage system (ESS) photovoltaic (PV) in bus depot charging ecosystem can lead i) reduction ii) cost with carbon emission. Therefore, limited PEB charge scheduling algorithm...
Immobilizing enzymes on solid supports such as magnetic nanoparticles offers multi-dimensional advantages, including enhanced conformational, structural, and thermal stability for long-term storage reusability. The gene encoding subtilisin Carlsberg was isolated from proteolytic Bacillus haynesii, a bacterium derived salt mines. nucleotide sequence pro-peptide mature protein were cloned into pET22(a)+ vector expressed in E. coli. extracted enzyme subsequently immobilized...
Abstract Post-fracturing plug removal is an ever-evolving challenge in unconventional fields, with upward trend average lateral lengths necessitating the deployment of additional fracturing plugs. Within subject area, high wellhead pressure (WHP) coupled presence Hydrogen Sulfide (H2S) both pose coiled tubing (CT) reach and compatibility limitations, demanding need for innovative fit-for-purpose applications. Dissolvable plugs were selected during perforation operations, one variant...
A number of mathematical models are available to model the performance solar modules under varying operating conditions. Most commonly recognized and used include (a) basic three-parameter model, (b) five-parameter (c) seven-parameter model. The does not incorporate series shunt resistance for IV curves. incorporates effect resistance, further includes additional temperature irradiance variation on cell parameters. While all these reasonably predict profiles at small variations from standard...
Solar photovoltaic (PV) direct current (DC) microgrids have gained significant popularity during the last decade for low cost and sustainable rural electrification. Various system architectures been practically deployed, however, their assessment concerning sizing, losses, operational efficiency is not readily available in literature. Therefore, this research work, a mathematical framework comparative analysis of various solar photovoltaic-based DC applications presented. The compared mainly...