Search Results - "Akram, Umer"

A Coordinated Frequency Regulation Framework Based on Hybrid Battery-Ultracapacitor Energy Storage Technologies by Akram, Umer, Khalid, Muhammad

“…The replacement of conventional electricity generators by wind turbines and solar photovoltaic panels results in reduced system inertia, which jeopardizes the…”
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RoCoF Restrictive Planning Framework and Wind Speed Forecast Informed Operation Strategy of Energy Storage System by Akram, Umer, Mithulananthan, Nadarajah, Raza, Muhammad Qamar, Shah, Rakibuzzaman, Milano, Federico

“…A planning framework and operation strategy for energy storage are developed to limit the rate of change of frequency (RoCoF) within the industry requirements…”
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An Innovative Hybrid Wind-Solar and Battery-Supercapacitor Microgrid System-Development and Optimization by Akram, Umer, Khalid, Muhammad, Shafiq, Saifullah

“…This paper presents a methodology for the joint capacity optimization of renewable energy (RE) sources, i.e., wind and solar, and the state-of-the-art hybrid…”
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An Improved Optimal Sizing Methodology for Future Autonomous Residential Smart Power Systems by Akram, Umer, Khalid, Muhammad, Shafiq, Saifullah

“…Accelerated development of eco-friendly technologies, such as renewable energy (RE), smart grids, and electric transportation will shape the future of electric…”
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Design of Energy Storage for Frequency Stability in Low-Inertia Power Grid by Akram, Umer, Mithulananthan, N., Shah, Rakibuzzaman, Alzahrani, Saeed

“…Short-term frequency instability is one of the major concerns in power systems with high percentage of converter-interfaced renewable energy sources. Energy…”
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Optimal Planning of Multiple Distributed Generating Units and Storage in Active Distribution Networks by Khalid, Muhammad, Akram, Umer, Shafiq, Saifullah

“…Traditionally, the energy supply in off-grid communities has relied on diesel generating units based microgrids (MGs) but global environmental concerns and…”
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Sizing HESS as inertial and primary frequency reserve in low inertia power system by Akram, Umer, Mithulananthan, N., Shah, Rakibuzzaman, Pourmousavi, S. Ali

“…Energy storage systems are recognised as the potential solution to alleviate the impacts of reduced inertia and intermittency in power systems due to the…”
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A Data-Driven Trajectory Approach for Dynamic VAr Support in Renewable Rich Power Grid by Alshareef, Abdulrhman, Shah, Rakibuzzaman, Mithulananthan, N., Akram, Umer, Alzahrani, Saeed

“…Short-term voltage stability (STVS) of power grids could be jeopardized due to the nonlinear dynamic characteristics of loads such as induction motors (IMs)…”
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Reliability Evaluation of Composite Power Systems: Evaluating the Impact of Full and Plug-in Hybrid Electric Vehicles by Shafiq, Saifullah, Irshad, Usama Bin, Al-Muhaini, Mohammad, Djokic, Sasa Z., Akram, Umer

“…The rising concerns over global climate change and depleting fossil fuel reserves are two of the main reasons for the ongoing efforts towards the…”
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Development of Organic Rankine Cycle for Microcogeneration by Using Scroll Compressor by Ahmad, Raees, Ahmed, Imran, Mumtaz, Asif, Akram, Umer

“…ORCs are being used in low grade heat recovery applications. The Model prepared is a 1 kW ORC comprising of four main parts: evaporator, Scroll expander,…”
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An Econometric Analysis of Energy Consumption in Pakistan by Zubair, Hafiz Muhammad, Imran, Muhammad, Qadir, Adeel, Akram, Umer, Tariq, Muhammad

“…Energy sector plays a key role and a dominant factor for the economic growth of country. This research article compares the relationship between energy…”
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A review on rapid responsive energy storage technologies for frequency regulation in modern power systems by Akram, Umer, Nadarajah, Mithulananthan, Shah, Rakibuzzaman, Milano, Federico

“…A paradigm shift in power generation technologies is happening all over the world. This results in replacement of conventional synchronous machines with…”
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Dynamic Signature-based Alignment Factor for Var Allocation by Alshareef, Abdulrhman, Shah, Rakibuzzaman, Mithulananthan, N., Akram, Umer, Krimanto, Awan Uji

“…A driven-data trajectory approach has been developed to allocate dynamic VAr source (DVS) to improve the short-term voltage stability (STVS) of power grids…”
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Active and reactive power injection of energy storage for short-term frequency stability in islanded power systems by Akram, Umer, Shah, Rakibuzzaman, Amjady, Nima, Mithulananthan, N., Islam, Syed

“…Fast frequency response (FFR) is crucial to enhance and maintain the frequency stability in power systems with high penetration of converter-interfaced…”
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Dynamic Derivative-Droop Control for Supercapacitor Synthetic Inertial Support by Akram, Umer, Mithulananthan, N., Shah, Rakibuzzaman, Islam, Rabiul

“…Energy storage is recognized as a potential solution to alleviate the impacts of inertia reduction and intermittency due to the integration of inverter based…”
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Development of Organic Rankine Cycle for Microcogeneration by Using Scroll Compressor by Raees Ahmad, Imran Ahmed, Asif Mumtaz, Umer Akram

“…ORCs are being used in low grade heat recovery applications. The Model prepared is a 1 kW ORC comprising of four main parts: evaporator, Scroll expander,…”
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Development of Organic Rankine Cycle for Microcogeneration by Using Scroll Compressor by Raees Ahmad, Imran Ahmed, Asif Mumtaz, Umer Akram

“…ORCs are being used in low grade heat recovery applications. The Model prepared is a 1 kW ORC comprising of four main parts: evaporator, Scroll expander,…”
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Joint Capacity Optimization of Renewable Generation and Hybrid Energy Storage for Micro-Grids by Akram, Umer

“…During the past few decades, rising concerns for global warming and volatile fossil fuels prices have made renewable energy (RE) sources an attractive…”
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Experimental Analysis and Cost Comparison of Evacuated-Tube Solar Water Geyser with Flatbed Solar Water Geyser Fabricated as per Local Conditions of Pakistan by Umer Akram, Ahmad Nazar, Muhammad Imran, Nadeem Ahmad, Hafiz Muhammad Zubair

“…Surging demand for energy and the current energy crisis in the world has forced initiatives to look for alternative and cheaper energy sources and one of them…”
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Experimental Analysis and Cost Comparison of Evacuated-Tube Solar Water Geyser with Flatbed Solar Water Geyser Fabricated as per Local Conditions of Pakistan by Umer Akram, Ahmad Nazar, Muhammad Imran, Nadeem Ahmad, Hafiz Muhammad Zubair

“…Surging demand for energy and the current energy crisis in the world has forced initiatives to look for alternative and cheaper energy sources and one of them…”
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