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Search: "[ author: Ashraf Ahmed ]" (9)
Performance evaluation of carbon nanotube yarn‑based inductors for ISM‑frequency band soft‑switching converters
Jung-Hwan Park Kyoung-Tak Kim Chun-Gu Lee Mohamed Atef Tawfik Muhammad Ehab
Muhammad Umair Munir Ashraf Ahmed Joung-Hu Park
Vol. 23, No. 11, pp. 1778-1788, Nov. 2023
10.1007/s43236-023-00693-1
Muhammad Umair Munir Ashraf Ahmed Joung-Hu Park
Vol. 23, No. 11, pp. 1778-1788, Nov. 2023
10.1007/s43236-023-00693-1
Electrolytic capacitorless STATCOM with both inductive and capacitive VAR compensation modes
Mohammad Sameer Irfan Young-Tae Jeon Mohamed Atef Tawfik Ashraf Ahmed Joung-Hu Park
Vol. 23, No. 8, pp. 1196-1210, Aug. 2023
10.1007/s43236-023-00650-y
Vol. 23, No. 8, pp. 1196-1210, Aug. 2023
10.1007/s43236-023-00650-y
Capacitor‑less modular multilevel converter with sliding mode control for MV adjustable‑speed motor drives
Mohamed Atef Tawfik Mohammad Sameer Irfan Chungu Lee Ashraf Ahmed Joung-Hu Park
Vol. 22, No. 8, pp. 1265-1278, Aug. 2022
10.1007/s43236-022-00484-0
Vol. 22, No. 8, pp. 1265-1278, Aug. 2022
10.1007/s43236-022-00484-0
Analysis and design of flux cancellation power-decoupling method for electrolytic-capacitorless three-phase cascaded multilevel inverters
Mohammad Sameer Irfan Mohamed Atef Tawfik Ashraf Ahmed Joung-Hu Park
Vol. 21, No. 2, pp. 321-341, Feb. 2021
10.1007/s43236-020-00196-3
Vol. 21, No. 2, pp. 321-341, Feb. 2021
10.1007/s43236-020-00196-3
Double Boost Power-Decoupling Topology Suitable for Low-Voltage Photovoltaic Residential Applications Using Sliding-Mode Impedance-Shaping Controller
Mohamed Atef Tawfik Ashraf Ahmed Joung-Hu Park
Vol. 19, No. 4, pp. 881-893, Jul. 2019
10.6113/JPE.2019.19.4.881
Vol. 19, No. 4, pp. 881-893, Jul. 2019
10.6113/JPE.2019.19.4.881
A New Photovoltaic System Architecture of Module- Integrated Converter with a Single-sourced Asymmetric Multilevel Inverter Using a Costeffective Single-ended Pre-regulator
Mohana Sundar Manoharan Ashraf Ahmed Joung-Hu Park
Vol. 17, No. 1, pp. 222-231, Jan. 2017
10.6113/JPE.2019.17.1.222
Vol. 17, No. 1, pp. 222-231, Jan. 2017
10.6113/JPE.2019.17.1.222
A Flyback-Assisted Single-Sourced Photovoltaic Power Conditioning System Using an Asymmetric Cascaded Multilevel Inverter
Mohana Sundar Manoharan Ashraf Ahmed Joung-Hu Park
Vol. 16, No. 6, pp. 2272-2283, Nov. 2016
10.6113/JPE.2016.16.6.2272
Vol. 16, No. 6, pp. 2272-2283, Nov. 2016
10.6113/JPE.2016.16.6.2272
Power Conditioning for a Small-Scale PV System with Charge-Balancing Integrated Micro-Inverter
Mohana Sundar Manoharan Ashraf Ahmed Jung-Won Seo Joung-Hu Park
Vol. 15, No. 5, pp. 1318-1328, Sep. 2015
10.6113/JPE.2015.15.5.1318
Vol. 15, No. 5, pp. 1318-1328, Sep. 2015
10.6113/JPE.2015.15.5.1318
FPGA-based Centralized Controller for Multiple PV Generators Tied to the DC Bus
Ashraf Ahmed Pradeep Ganeshkumar Joung-Hu Park Hojin Lee
Vol. 14, No. 4, pp. 733-741, Jul. 2014
10.6113/JPE.2014.14.4.733
Vol. 14, No. 4, pp. 733-741, Jul. 2014
10.6113/JPE.2014.14.4.733
ISSN : 1598 - 2092
eISSN : 2093 - 4718