Noman Khan

Research

Increasing energy demand and environmental concerns for fossil fuel power plants have resulted in new requirement for power generation plants and their efficient control. This has resulted in an increased focus on sustainable and renewable energy resources. Power electronic devices are an intergral part of most of these renewable energy resources. These power electronics devices are highly non-linear devices and are a major source of introducing harmonics into our power systems. That can effect the power quality and performance of power system. The integration of these renewable energy resources introduce additional complexity in grid operation and protection coordination schemes. My focus is to deal with these concerns to enhance energy efficiency, quality, reliability and system security.

Much of my research focuses on renewable energy resources, their integration to conventional grid, development of algorithms for efficient utilization of Renewable Energy.

My Publication and Citations profile can be reached at Google Scholar, and Research Gate.

Research Interests

• Renewable Energy and Distributed Generation
• Power Electronics
• Frequency Estimation and Grid Synchronization

Publications
Journal Publications

1. Zubaid Ali Zafar, Tanveer Abbas, Mudassar Rafiq, Noman Khan, Nasir Rahman Jadoon, Shakeel Ahmed, "FPGA-Based STEP-NC Compliant 3 Axis CNC Machine Controller", Taylor and Franics, International Journal of Computer Integrated Manufacturing, 2024, Paper Link
2. Noman Khan, Tanveer Abbas, Abdullah "A Novel Tapped Transformer Multilevel Inverter ", Springer Publishers, Iranian Journal of Science and Technology, Transactions of Electrical Engineering, 2024, Paper Link
3. Tanveer Abbas, Noman Khan, Muhammad Sarmad Afzal "A Novel Diode Rectifier with a Series Connected Chopper for Reduced Input Current THD ", Springer Publishers, Iranian Journal of Science and Technology, Transactions of Electrical Engineering, 2024, Paper Link
4. Noman Khan, Tanveer Abbas "An Improved Problem Formulation for THD Minimization of Multilevel Inverters", Springer Publishers, AJSE 2023, Paper Link
5. MS Thesis: Noman Khan, “Design and Development of a 8.8kV Pulse Shaping Modulator for a 10kW Magnetron for Tokamak Project”, A Collaborative project between Pakistan Institute of Engineering and Applied Sciences & National Tokamak Fusion Program, Islamabad, Pakistan
6. BS Thesis: Noman Khan, Muhammad Muzammil Nawaz, Muhammad Arslan Fida, “Estimation of Phase and Frequency of a Utility Grid”, BS Theis Report, 2017, Pakistan Institute of Engineering and Applied Sciences

Projects

1. Design and Development of a 10kV/2A DC Modulator for a Magnetron to be used in a Spherical Tokamak
   This is a collaborative project between PIEAS and Pakistan Tokamkak Plasma Research Institute (PTPRI) for the study of plasma generation. LLC Resonant converter based design is selected to meet the requirements of the anode power supply of the magnetron (H0915-60). The simulation based design of full setup has been validated in PSIM and SIMULINK, and hardware has been developed and tested in the lab. A demo of the earlier stage of the project is available at the: link!

   
   Update October 2022: Final version of the fully developed system can be viewed at link!

2. Controller Design and Implementation for a High Voltage DC Modulator.
   

   LLC resonant converters are highly non-linear and their control is achieved using pulse frequency modulation. For this purpose a PI, PID, sliding mode control and hybrid control schemes are implemented on “Texas Instruments DSP based real time microcontroller TMS320F280025C”.

3. An Inverter-Fed Cockroft-Walton Multiplier Based 10kV DC Source for a capacitive load.
   

   This is a collaborative project between PIEAS and an Industry to replace their existing transformer based bulky supply with a cost effective power supply that can support repeated operation. The design is based on a Inverter-Fed CWVM topology. The design in evaluated in simulations through MATLAB and PSIM, and the hardware is developed, tested and successfully delivered to the end user.

4. A Prototype Linear Transformer Cavity for 10kA/100ns pulse generation .
   

   Marx generator based power supplies can not be used to generate high current pulse in small duration therefore this linear transformer cavity prototype is developed to get high current pulses in short duration.

5. A general purpose digital illumination controller for otoscope .
   

   This project is completed in collaboration with Mdevices Pvt. Limited to upgrade their exisiting Otoscopes from analoge to digital systems.

6. Design of a 400A, 150V Power Supply for Plasma Torch .
   

   The design of a 400A, 150V power supply needed for a plasma torch is completed and evaluated in simulations. The end results are communicated to the end user, however, due to budget restrictions the design could not be entered into the implementation phase.

7. Optimization of the DG size and location to Minimize the Power Losses of Sahiwal Grid.
   

   Detailed model of an existing grid station in Pakistan (district Sahiwal) is developed in ETAP and load flow studies are done. Genetic Algorithm is adopted to determine the optimal size of DG and its location to minimize the losses in the network.

8. Estimation of Phase and Frequency of a Utility Grid
   

   This project was completed as final year project of my bachelors program. A novel topology of Adaptive Notch Filter was adopted, and verified through simulations in SIMULINK; further a hardware setup was also developed, and tested with a grid and an inverter to estimate the frequency and phase of power signal successfully.

Students

MS

• Atiqa Dawood, Thesis Title: "Analysis of Solar Energy Adoption in Pakistan", TH Köln, Germany 2024.
• Hassan Akram, Thesis Title: "Design and Fabrication of Core for Linear Transformer Driver Cavity", 2023 (Won Best Thesis Award).
• Mian Sajawal Shah, Thesis Title: "Design and Implementation of an LLC Resonant Converter Based HVDC Supply for and Industrial Magnetron", 2022 (Won Best Thesis Award).
• Muhammad Osama Afridi, Thesis Title: "Controller Design and Implementation for a High Voltage DC Modulator", 2022.
• Muhammad Sarmad Afzal, Thesis Title: "Design and Implementation of an Input Filter for a Rectifier Load to Improve Power Factor and Reduce THD in the Input Current", 2021.
• Sohail Ahmed Khan, Thesis Title: "Hardware Implementation of a Regulator for 8.8kV/2A DC Modulator for 10kW Magnetron", 2021 (Won Best Thesis Award).
• Muhammad Waqas Ayub, Thesis Title: "Design of a Cascaded Line Frequency Chopper Based Rectifier with Input Filter", 2020 (Won Best Thesis Award).
• Khurram Shehzad, Thesis Title: "Design of a Regulator for 8.8kV/2A DC Modulator for 10kW Magnetron", 2020.

BS

• Abdul Rehman, Asif Awan, and Muhammad Usman, Thesis Title: "Desing and Analysis of Three Phase Tapped Transformer Multilevel Inverter", BSEE2018-2022.
• Faisal Latif, Hamza Sadiq, Hassan Akram, Thesis Title: "Experimental Evaluation of a Novel Rectifier Topology for Minimization of input current THD and maximization of power factor", 2021.
• Faazla Iqbal, Faryal Subhani, & Urooj Hamid, Thesis Title: "Solar powered automatic irrigation system", 2021.
• Hurairah Javed, Awais Khalid, & Mamoon Ahmed, Thesis Title: "Design of a Prototype Rail-Gun", 2021.
• Muhammad Shaheer Farooq, & Talha jabbar, Thesis Title: "Smart Water Pumping System for Domestic Applications", 2021.
• Faisal Latif, Hamza Sadiq, & Hassan Akram, Thesis Title: "Experimental Evaluation of a Novel Rectifier Topology for Minimization of Input Current THD and Maximization of Power Factor", 2021.

Gallery

On an industrial tour of Tarbela Power House with the Students of BSEE 19-23 (November 2022)



On an industrial tour of Tarbela Power House with the Students of BSEE 19-23 (November 2022)



Group Photo of MS Batch of 2017-19 (November 2019)