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Muhammad Akmal

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Sheffield Hallam University
Country flagUnited Kingdom

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Recent Grants

Grant: Close

Fault Diagnosis of Photovoltaic (PV) Modules using Thermal Imaging

Open Date: 2019-12-01

Close Date: 2021-08-01

Grant: Close

IoT Based Intrusion Detection System for Smart Grids Advanced Metering Infrastructure

Open Date: 2017-12-01

Close Date: 2019-08-01

Grant: Close

Investigation of Stability and Power Quality in Renewable Rich Microgrids

Open Date: 2016-12-01

Close Date: 2018-08-01

Grant: Close

Impact of Distributed Generation on Protective Relay Coordination in Distribution Networks

Open Date: 2015-12-01

Close Date: 2018-07-01

Grant: Close

Acquisition of Research Equipment

Open Date: 2015-06-01

Close Date: 2016-05-01

Positions (1)

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Muhammad Akmal

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Sheffield Hallam University

The British Academy Fellowships are now open for early-career researchers, offering an excellent opportunity for recent PhD graduates and those with up to five years of postdoctoral experience who are currently based outside the UK. This prestigious fellowship is designed to help you build your research profile and collaborate with leading academics in the United Kingdom. The program is ideal for scholars seeking to advance their academic careers, engage in international research collaboration, and gain experience within the UK academic environment. The announcement is shared by Professor Muhammad Akmal from Sheffield Hallam University, highlighting the chance for international researchers to join the vibrant UK research community. While the post does not specify particular research fields, the British Academy typically supports a wide range of disciplines within the humanities and social sciences, including but not limited to sociology, political science, history, economics, anthropology, philosophy, literature, and psychology. Eligibility requirements include holding a recent PhD or having up to five years of postdoctoral research experience, and being based outside the UK at the time of application. The fellowship aims to foster international collaboration and support the professional development of early-career researchers. Funding details are not specified in the post, but British Academy Fellowships are generally fully funded, covering salary and research expenses. Applicants are encouraged to consult the official British Academy website for comprehensive information on funding, eligibility, and application procedures. To apply, interested candidates should visit the provided link to the British Academy Fellowship call, review the eligibility criteria and application instructions, prepare the necessary documents, and submit their application online before the specified deadline.

Articles (4)

Partial discharge (PD) diagnostics test is a reliable solution for estimating insulation health conditions in power system components. During laboratory PD diagnostics, the effect of harmonic components in the voltage waveform generated by variable frequency drives (VFD) fed electric motors (EMs) is often overlooked. As VFD‐fed EMs operate at low speeds, the harmonic concentration in the voltage increases. It has been found that PD activity in VFD‐fed EM is significantly affected by the addition of harmonic components in the voltage, thus making it necessary to consider their impact when performing true PD diagnostics. This paper investigates the influence of voltage harmonic distortion produced in VFD‐fed EM on PD severity and the subsequent insulation degradation. Eight VFD‐fed EM are used to study the PD behaviour under different levels of harmonic pollution. The PD characteristics, such as inception voltage, pulse repetition rate, accumulated apparent charge, average discharge current, discharge power, and quadratic rate, are determined. Using probability distribution functions, PD activity and severity at various voltage harmonic levels are estimated. The proposed technique can be used to plan the maintenance activities that ensure the reliability for industrial applications dealing with the voltage harmonic distortion.

Year:

2023

Year:

2021

Year:

2020

Year:

2020

Collaborators (1)

Muhammad Shafiq

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UNITED STATES
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