An Improved Single-Phase Direct PWM Inverting Buck-Boost AC-AC Converter. - Ashraf Ali Khan; Honnyong Cha; Hafiz Furqan Ahmed (IEEE Trans. Ind. Electron., 2016)

A Single-Phase Buck Matrix Converter With High-Frequency Transformer Isolation and Reduced Switch Count. - Hafiz Furqan Ahmed; Honnyong Cha; Ashraf Ali Khan (IEEE Trans. Ind. Electron., 2017)

A New Reliable Three-Phase Buck-Boost AC-AC Converter. - Ashraf Ali Khan; Honnyong Cha; Hafiz Furqan Ahmed (IEEE Trans. Ind. Electron., 2018)

A Reliable Single-Phase Bipolar Buck-Boost Direct PWM AC-AC Converter With Continuous Input/Output Currents. - Hafiz Furqan Ahmed; Mohamed Shawky El Moursi; Honnyong Cha; Khalifa Al Hosani; Bashar Zahawi (IEEE Trans. Ind. Electron., 2020)

Quasi-Clamped ZSI With Two Transformers. - Zeeshan Aleem; Hyoungkyu Yang; Hafiz Furqan Ahmed; Jung-Wook Park (IEEE Trans. Ind. Electron., 2021)

A Class of Single-Phase Z-Source AC-AC Converters With Magnetic Coupling and Safe-Commutation Strategy. - Zeeshan Aleem; Hyoungkyu Yang; Hafiz Furqan Ahmed; Simon Lucas Winberg; Jung-Wook Park (IEEE Trans. Ind. Electron., 2021)

Single-Phase Photovoltaic Inverters With Common-Ground and Wide Buck-Boost Voltage Operation. - Hafiz Furqan Ahmed; Mohamed Shawky El Moursi; Bashar Zahawi; Khalifa Al Hosani (IEEE Trans. Ind. Informatics, 2021)

Parallel Operation of Transformer-Based Improved Z-Source Inverter With High Boost and Interleaved Control. - Zeeshan Aleem; Simon Lucas Winberg; Hafiz Furqan Ahmed; Jung-Wook Park (IEEE Trans. Ind. Informatics, 2022)

Improved High Step-Up Cockcroft-Walton Magnetic Coupling Inverter. - Soroush Esmaeili; Ashraf Ali Khan; Mohsin Jamil; Usman Ali Khan; Hafiz Furqan Ahmed; Shehab Ahmed (IEEE Trans. Circuits Syst. II Express Briefs, 2023)

Highly Efficient Dual-Buck Structured Buck-Boost AC-AC Converter With Versatile Identical Inverting/Noninverting Operations. - Hafiz Furqan Ahmed; Omar Alzaabi; Mohamed Shawky El Moursi; Khalifa Al Hosani (IEEE Trans. Ind. Informatics, 2023)

High-Boost-Gain Split-Source Inverter With Shared-Ground and No Shoot-Through Issue. - Hafiz Furqan Ahmed; Mohamed Shawky El Moursi; Khalifa Al Hosani; Omar Alzaabi; Bashar Zahawi (IEEE Trans. Ind. Informatics, 2024)

Dual-Buck Bipolar Buck-Boost AC-AC Converter With Reduced Semiconductor Devices. - Hafiz Furqan Ahmed; Howard Chien; Ashraf Ali Khan; Shirazul Islam; Fazal Akbar; Omar Alzaabi (IEEE Trans. Ind. Electron., 2024)

An Isolated Three-Phase AC-AC Converter With Bipolar Output Voltage. - Hafiz Furqan Ahmed; Ashraf Ali Khan; Fazal Akbar; Shirazul Islam; Ahmad Elkhateb (IEEE Trans. Ind. Electron., 2024)

A Single-Phase Z-Source AC-AC Converter With Continuous Input Current and Without Commutation Issue. - Seyyed Mohammad Javad Mousavi; Deniz Zargariafshar; Ebrahim Babaei; Hafiz Furqan Ahmed (IEEE Trans. Ind. Electron., 2024)

A Single-Phase Four-Switch Symmetric Bipolar Buck-Boost AC-AC Converter With Continuous Input Current and Simple Commutation Process. - Hafiz Furqan Ahmed (IEEE Trans. Ind. Electron., 2025)