Search Results - "Ali, Ahmed I M"

Current stress minimization for isolated dual active bridge DC–DC converter by Rashwan, Ahmed, Ali, Ahmed I. M., Senjyu, Tomonobu

“…This paper presents a new phase-shift modulation for isolated dual active bridge (DAB) direct current–direct current (DC–DC) converter. The proposed technique…”
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Recent Advances in the Application of Selectfluor as a “Fluorine‐free” Functional Reagent in Organic Synthesis by Yang, Ke, Song, Mengjie, Ali, Ahmed I. M., Mudassir, Syed M., Ge, Haibo

“…Selectfluor, [1‐chloromethyl‐4‐fluoro‐1,4‐diazoniabicyclo‐[2.2.2]octane bis(tetrafluoroborate)], is not only an important electrophilic fluorinating agent but…”
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From Center-to-Multilayer Chirality: Asymmetric Synthesis of Multilayer Targets with Electron-Rich Bridges by Tang, Yao, Wu, Guanzhao, Jin, Shengzhou, Liu, Yangxue, Ma, Liulei, Zhang, Sai, Rouh, Hossein, Ali, Ahmed I. M, Wang, Jia-Yin, Xu, Ting, Unruh, Daniel, Surowiec, Kazimierz, Li, Guigen

“…Asymmetric synthesis of new atropisomerically multilayered chiral targets has been achieved by taking advantage of the strategy of center-to-multilayer…”
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Asymmetric [4 + 2] cycloaddition synthesis of 4 H -chromene derivatives facilitated by group-assisted-purification (GAP) chemistry by Rouh, Hossein, Tang, Yao, Zhang, Sai, Ali, Ahmed I M, Surowiec, Kazimierz, Unruh, Daniel, Li, Guigen

“…In this work, we present a strategy for the preparation of functionalized 4 -chromene derivatives a Cs CO -catalyzed [4 + 2] cycloaddition of enantiopure…”
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Asymmetric [4 + 2] cycloaddition synthesis of 4H-chromene derivatives facilitated by group-assisted-purification (GAP) chemistry by Rouh, Hossein, Tang, Yao, Zhang, Sai, Ali, Ahmed I M, Surowiec, Kazimierz, Unruh, Daniel, Li, Guigen

“…In this work, we present a strategy for the preparation of functionalized 4H-chromene derivatives via a Cs2CO3-catalyzed [4 + 2] cycloaddition of enantiopure…”
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Advanced Single-Phase Nine-Level Converter for the Integration of Multiterminal DC Supplies by Ali, Ahmed I. M., Sayed, Mahmoud A., Mohamed, Essam E. M., Azmy, Ahmed M.

“…This paper presents a new symmetrical single-phase nine-level dc-ac converter for the applications of distributed generation systems. The proposed multilevel…”
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An Advanced Switched-Capacitor Multilevel Inverter Topology With a Robust PWM Controlling Technique and Voltage Boosting Property for the Grid-Connected Renewable Energy Applications by Hassan, Alaaeldien, Yang, Xu, Chen, Wenjie, Ali, Ahmed I. M.

“…This article proposes an improved switched-capacitor multilevel inverter (MLI) that utilizes fewer components. The switched capacitors (SCs) are employed with…”
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Efficient Single-Stage Three-Phase Isolated Differential-Based Flyback Inverter with Selective Harmonic Compensation Strategy for Grid-Tied Applications by Ali, Ahmed I. M., Sayed, Mahmoud A., Shawky, Ahmed, Takeshita, Takaharu

“…this paper proposes a single-stage three-phase differential-based flyback inverter (DBFI) and its control scheme based on an efficient selective harmonic…”
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A Study of Level-Shifted PWM Single-phase 11-Level Multilevel Inverter by Hassan, Alaaeldien M.M., Yang, Xu, Ali, Ahmed I. M., Ahmed, Taiea. A., Azmy, Ahmed M.

“…This paper presents a modified shifted-level pulse width modulation (PWM) for an 11-level multilevel inverter (MLI) that used for distributed generation…”
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Modified efficient perturb and observe maximum power point tracking technique for grid-tied PV system by Ali, Ahmed I.M., Sayed, Mahmoud A., Mohamed, Essam E.M.

“…•A modified variable step-size P&O MPPT algorithm is proposed for PV systems.•Minimum oscillations by dividing the PV operating region into four…”
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A solid-phase synthetic route to N-acylated α-alkyl-d,l-homoserine lactones by Ali, Ahmed I.M., O'Donnell, Martin J., Scott, William L., Samaritoni, J. Geno

“…[Display omitted] •Novel, acylated homoserine lactones with quaternized alpha position are now accessible.•Unnatural Peptide Synthesis (UPS) utilized to…”
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Advanced multi-sector P&O maximum power point tracking technique for wind energy conversion system by Youssef, Abdel-Raheem, Ali, Ahmed I.M., Saeed, Mahmoud S.R., Mohamed, Essam E.M.

“…•An advanced multi-sector P&O MPPT algorithm is proposed for large-scale WECS.•The proposed MPPT strategy solves the conventional trackers MPPT drawbacks.•The…”
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Asymmetric [4 + 2] cycloaddition synthesis of 4-chromene derivatives facilitated by group-assisted-purification (GAP) chemistry by Rouh, Hossein, Tang, Yao, Zhang, Sai, Ali, Ahmed I. M, Surowiec, Kazimierz, Unruh, Daniel, Li, Guigen

“…In this work, we present a strategy for the preparation of functionalized 4 H -chromene derivatives via a Cs 2 CO 3 -catalyzed [4 + 2] cycloaddition of…”
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Three phase modular multilevel inverter-based multi-terminal asymmetrical DC inputs for renewable energy applications by Ahmed, Taiea A., Mohamed, Essam E.M., Youssef, Abdel-Raheem, Ibrahim, A.A., Saeed, Mahmoud S.R., Ali, Ahmed I.M.

“…This paper introduces a compact three-phase modular multilevel inverter (MMLI) based on asymmetrical input multi-terminal for different ratings of PV systems…”
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Model predictive control for grid-tie wind-energy conversion system based PMSG by Youssef, Abdel-Raheem, Mohamed, Essam E. M., Ali, Ahmed I. M.

“…This article introduces a model predictive control (MPC) strategy for variable speed wind energy conversion system (VS_WECS) based permanent magnet synchronous…”
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MPPT algorithm for grid-connected photovoltaic generation systems via model predictive controller by Ali, Ahmed I. M., Mohamed, Essam E. M., Youssef, Abdel-Raheem

“…This paper presents a grid-tied photovoltaic generation system (PVGS) combined with a maximum powerpoint tracking (MPPT) technique. Perturbation and…”
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Design and Validation of a Single Phase Multilevel Inverter Utilizing Reduced Switches Number by Ali, Ahmed I. M., Mohamed, Essam E. M., Sayed, Mahmoud A., Saeed, Mahmoud S. R., Azmy, Ahmed M.

“…Multilevel-inverters (MLI) usage has been spread, recently, due to their convenience over the conventional one. This paper suggests a single phase 5-level…”
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Dual Three-Phase Partitioned Stator Flux-Switching PM Machine for Wind Generating Systems by Mohamed, Essam E. M., Saeed, Mahmoud S. R., Ali, Ahmed I. M.

“…This paper studies the performance of novel design of partitioned stator (PS) switched flux PM machines which are designed for direct-driven (DD) wind energy…”
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Novel single-phase nine-level PWM inverter for grid connected solar PV farms by Ali, Ahmed I. M., Mohamed, Essam E. M., Sayed, Mahmoud A., Saeed, Mahmoud S. R.

“…This paper introduces a new asymmetrical multilevel inverter (MLI) for photovoltaic generation systems (PVGS). The proposed MLI utilizes a single dc source, PV…”
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Study of Multilevel Inverter Fed Single Phase Induction Motor by Ahmed, Taiea. A., Ali, Ahmed I. M., Youssef, Abdelraheem, Mohamed, Essam E. M.

“…This paper studies the efficacy of multilevel inverters (MLI) fed a single-phase induction motor (SPIM) drives. A novel single-phase 5-level pulse width…”
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