Search Results - "Sayed, Mahmoud A."

Single-stage Three-phase Grid-tied Isolated SEPIC-based Differential Inverter with Improved Control and Selective Harmonic Compensation by Shawky, Ahmed, Takeshita, Takaharu, Sayed, Mahmoud A.

“…The simple circuit based on DC-DC converters is the main attractive feature of the differential inverter topologies. It has a single-stage and provides…”
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Modular Single-Stage Three-Phase Flyback Differential Inverter for Medium/High-Power Grid Integrated Applications by Ali, Ahmed Ismail M, Tuan, Cao Anh, Takeshita, Takaharu, Sayed, Mahmoud A, Alaas, Zuhair Muhammed

“…This paper proposes a single-stage three-phase modular flyback differential inverter (MFBDI) for medium/high power solar PV grid-integrated applications. The…”
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Three-Phase PWM Inverter for Isolated Grid-Connected Renewable Energy Applications by Ali, Ahmed Ismail M., Takeshita, Takaharu, Sayed, Mahmoud A.

“…This paper proposes a three-phase isolated flyback inverter (IFBI) for single-stage grid-tied solar PV applications, considering a simple sinusoidal…”
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Seven-Level Inverter with Reduced Switches for PV System Supporting Home-Grid and EV Charger by Ali, Ahmed Ismail M., Sayed, Mahmoud A., Mohamed, Ahmed A. S.

“…This paper proposes a simple single-phase new pulse-width modulated seven-level inverter architecture for photovoltaic (PV) systems supporting home-grid with…”
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Improved Controller and Design Method for Grid-Connected Three-Phase Differential SEPIC Inverter by Shawky, Ahmed, Takeshita, Takaharu, Sayed, Mahmoud A., Aly, Mokhtar, Ahmed, Emad M.

“…Single-ended primary-inductor converter (SEPIC) based differential inverters (SEPIC-BDI) have received wide concerns in renewable energy applications due to…”
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All Nodes Voltage Regulation and Line Loss Minimization in Loop Distribution Systems Using UPFC by Sayed, M. A., Takeshita, T.

“…Voltage regulation and line loss minimization in distribution networks are challenging problems, particularly when it is not economic to upgrade the entire…”
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Highly Sensitive Ethanol Chemical Sensor Based on Novel Ag-Doped Mesoporous α–Fe2O3 Prepared by Modified Sol-Gel Process by Alqahtani, Moteb M., Ali, Atif M., Harraz, Farid A., Faisal, M., Ismail, Adel A., Sayed, Mahmoud A., Al-Assiri, M. S.

“…Mesoporous α–Fe 2 O 3 has been synthesized via a simple sol-gel procedure in the presence of Pluronic (F-127) triblock copolymer as structure directing agent…”
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Microstructure Study and Linear/Nonlinear Optical Performance of Bi-Embedded PVP/PVA Films for Optoelectronic and Optical Cut-Off Applications by Elhosiny Ali, H, Abdel-Aziz, Mohammad, Mahmoud Ibrahiem, Ashraf, Sayed, Mahmoud A, Abd-Rabboh, Hisham S M, Awwad, Nasser S, Algarni, Hamed, Shkir, Mohd, Yasmin Khairy, M

“…Hybrid polymer films of polyvinyl pyrrolidone (PVP)/polyvinyl alcohol (PVA) embedded with gradient levels of Bi-powder were prepared using a conventional…”
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Independent Control of Input Current, Output Voltage, and Capacitor Voltage Balancing for a Modular Matrix Converter by Nakamori, Toshiki, Sayed, Mahmoud A., Hayashi, Yuma, Takeshita, Takaharu, Hamada, Shizunori, Hirao, Kuniaki

“…This paper presents a novel control scheme for the modular matrix converter (MMxC), in terms of balancing capacitor voltages in addition to controlling output…”
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Mineralogy and Geochemistry of Jasperoid Veins in Neoproterozoic Metavolcanics: Evidence of Silicification, Pyritization and Hematization by Mohamed Zaki Khedr, Mahmoud A. Sayed, Shehata Ali, Mokhles K. Azer, Yuji Ichiyama, Eiichi Takazawa, Ali Y. Kahal, Kamal Abdelrahman, Ali M. Mahdi

“…The Wadi Ranga sulfidic jasperoids in the Southern Eastern Desert (SED) of Egypt are hosted within the Neoproterozoic Shadli metavolcanics as an important…”
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Controllable biogenic synthesis of intracellular silver/silver chloride nanoparticles by Meyerozyma guilliermondii KX008616 by Alamri, Saad A.M., Hashem, Mohamed, Nafady, Nivien A., Sayed, Mahmoud A., Alshehri, Ali M., Alshaboury, Gamal A.

“…Intracellular synthesis of silver/silver chloride nanoparticles (Ag/AgCl-NPs) using Meyerozyma guilliermondii KX008616 is reported under aerobic and anaerobic…”
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Modulation and Control of a DC-AC Converter With High-Frequency Link Transformer for Grid-Connected Applications by Sayed, Mahmoud A., Takeshita, Takaharu, Iqbal, Atif, Alaas, Zuhair Muhammed, Ahmed, M. M. R., Dabour, Sherif M.

“…The need to integrate energy storage devices with renewable energy sources and improve the employed converters' modulation and control techniques continues to…”
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Green analytical methods for simultaneous determination of compounds having relatively disparate absorbance; application to antibiotic formulation of azithromycin and levofloxacin by El-Yazbi, Amira F., Khamis, Essam F., Youssef, Rasha M., El-Sayed, Mahmoud A., Aboukhalil, Faten M.

“…Green validated spectrophotometric methods are developed for simultaneous determination of Azithromycin (AZI) and Levofloxacin (LEVO) antibiotic mixture…”
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PWM Switching Technique for Three-Phase Bidirectional Grid-Tie DC–AC–AC Converter With High-Frequency Isolation by Sayed, Mahmoud A., Suzuki, Kazuma, Takeshita, Takaharu, Kitagawa, Wataru

“…Galvanic isolation based high-frequency transformers have become very attractive in bidirectional dc/ac converters. This paper presents a new pulse width…”
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Advanced PWM Switching Technique for Accurate Unity Power Factor of Bidirectional Three-Phase Grid-Tied DC-AC Converters by Sayed, Mahmoud A., Takeshita, Takaharu, Kitagawa, Wataru

“…Matrix-based high-frequency linked (MBHFL) bidirectional dc-ac converters are getting much interest in grid-tied applications due to their high efficiency and…”
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In situ green analytical methods for the rapid and sensitive determination of a newly launched orphan anticancer drug; Tigecycline in infusion bags: comparative study by El-Yazbi, Amira F., Aboukhalil, Faten M., Khamis, Essam F., Youssef, Rasha M., El-Sayed, Mahmoud A.

“…Background Tigecycline (TIG), an antimicrobial agent indicated for complex bacterial infections, is now approved by FDA as an orphan chemotherapeutic agent for…”
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Line Loss Minimization in Isolated Substations and Multiple Loop Distribution Systems Using the UPFC by Sayed, Mahmoud A., Takeshita, Takaharu

“…This paper presents the line loss minimum condition in isolated substations and same substation multiple loop distribution systems by using the unified power…”
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Low-level laser therapy in chronic obstructive lung disease by Sayed, Mahmoud A., El-Sherif, Rania M., Mohamed, Amany R., El-Sherif, Ahmed A.

“…Context Chronic obstuctive lung disease (COPD) is a common preventable and treatable disease. Low-level laser therapy (LLLT) appears to be a promising modality…”
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Predictive Controller Based on Switching State Grouping for a Modular Multilevel Converter With Reduced Computational Time by Rashwan, Ahmed, Sayed, Mahmoud A., Mobarak, Youssef A., Shabib, Gaber, Senjyu, Tomonobu

“…Recently, a modular multilevel converter (MMC) has become one of the most popular converters in medium/high-power applications. In this paper, a new technique…”
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Developing new lines of Japonica rice for higher quality and yield under arid conditions by El Sayed, Mahmoud A A, Kheir, Ahmed M S, Hussein, Fatma A, Ali, Esmat F, Selim, Mahmoud E, Majrashi, Ali, El Shamey, Essam A Z

“…Rice is the world's largest food crop, and its production needs to be doubled by 2050 to cope with population growth and associated demand. In addition to the…”
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