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Muhammad Shafiq

Assistant Professor

DSc, Power Systems and High Voltage Engineering
School of Technology and Innovations, Electrical Engineering
Yliopistonranta 10, 65200 Vaasa
Fabriikki Shafiq F468

Dr. Shafiq's area of research expertise is power systems and high voltage engineering. His studies, research, and work has proceeded with the approach such as; electrical design of components, testing, instrumentation and measurements, data analysis, and signal processing, with hands-on experience of working in conceptual, simulation, and practical environments.

Working with Smart Electric Systems (SES) research group at University of Vaasa, his current research projects are about online condition monitoring of developing power grids. The project addresses mainly

-  Design of partial discharge measurement sensors

- Insulation fault monitoring and diagnostics in power system components

- Study of impact of smart-grid operation on the insulation system of MV transformers and underground cables

-  Development of integrated condition monitoring model for MV distribution networks.

Dr. Shafiq has authored/coauthored several high ranked international journal and conference publications.



A. Journal publications

[1] G. Robles, M. Shafiq, J.M.Tarifa, ''Multiple Partial Discharge Source Localization in Power Cables through Power Spectral Separation and Time-Domain Reflectometry'', IEEE Transactions on Instrumentation and Measurement, Feb. 2019.

[2] M.Shafiq, K.Kauhaniemi, G.Robles, M.Isa, L.Kumpulainen, ''Online condition monitoring of MV cable feeders using Rogowski coil sensors for PD measurements'', Electric Power Systems Research, Vol. 167, Feb. 2019, pp: 150-162, early  online access: Oct. 2018.

[3] M. Shafiq, K. Kauhaniemi, G. Robles, G. A. Hussain, L. Kumpulainen, Partial Discharge Signal Propagation in MV Branched Cable Feeder, IEEE Electrical Insulation Magazine, vol. 34, no. 6, pp. 18-29, 2018.

[4] J. Penttonen,M. Lehtonen, M. Shafiq, ''Smart grid element: efficient controllable inductance with virtual air gap'' IET Generation, Transmission & Distribution, 2017.

[5] J. Penttonen, M. Shafiq, and M. Lehtonen, ''Reluctance Network Analysis for Complex Coupled Inductors'', Journal of Power and Energy Engineering, 5, 1-14, 2017.

[6] J.Penttonen, M. Lehtonen, M. Shafiq, ''A novel 4-limb earth fault compensation reactor for distribution network'' International Transactions on Electrical Energy Systems, 2017.

[7] H. Rohani, C. Yii, M. Isa, S. Hassan, B. Ismail, M. Adzman, M. Shafiq, "Geometrical Shapes Impact on the Performance of ABS-Based Coreless Inductive Sensors for PD Measurement in HV Power Cables", IEEE Sensors Journal, 24th June, 2016.

[8] G. A. Hussain, M. Shafiq, M. Lehtonen, M. Hashmi, "Online Condition Monitoring of MV Switchgear using D-dot Sensor to Predict Arc-faults", IEEE Sensors Journal, Vol. 15, No. 12, pp. 7262 - 7272, Oct. 2015.

[9] M. Shafiq, G. A. Hussain, L. Kütt, M. Lehtonen, "Electromagnetic Sensing for Predictive Diagnostics of Electrical Insulation Defects in MV Power Lines", Measurement, Elsevier Journal, Vol. 73, pp. 480?493, Sep. 2015.

[10] M. Shafiq, G. A. Hussain, N. I. Elkalashy, P. Hyvönen, M. Lehtonen, "Integration of Online Proactive Diagnostic Scheme for Partial Discharges in Distribution Networks", IEEE Transactions on Dielectrics and Electrical Insulation, Vol. 22, No. 1, pp. 436-447, Feb. 2015.

[11] M. Shafiq, G. A. Hussain, L. Kütt, N. I. Elkalashy, M. Lehtonen, "Partial Discharge Diagnostic System for Smart Distribution Networks Using Directionally Calibrated Induction Sensors", Electric Power Systems Research, Elsevier Journal, Vol. 119, pp. 447?461, Feb. 2015.

[12] G. A. Hussain, M. Shafiq, L. Kumpulainen, F. Mahmood, M. Lehtonen, "Performance Evaluation of Noise Reduction Method during On-line Monitoring of MV Switchgear for PD Measurements by Non-intrusive Sensors", International Journal of Electrical Power and Energy Systems Elsevier, Vol. 64, pp. 596-607, Jan. 2015.

[13] G. A. Hussain, M. Shafiq, J. A. Kay, M. Lehtonen, "Pre-Emptive Arc Fault Detection Techniques in Switchgear- Part III, From the Laboratory to Practical Installation", IEEE Transactions on Industry Applications, Vol. 51, No. 3, pp. 2615-2623, Oct. 2014.

[14] M. Shafiq, L. Kütt, M. Isa, M. Lehtonen, "Design, Implementation and Simulation of Non-Intrusive Sensor for On-line Condition Monitoring of MV Electrical Components", Engineering (Eng) Scientific Research Publishing, Special issue of Electrical Engineering, Vol. 6, No. 11, pp. 680-690,  2014.

[15] M. Shafiq, G. A. Hussain, L. Kütt, M. Lehtonen, "Effect of geometrical parameters on high frequency performance of Rogowski coil for partial discharge measurements", Measurement  Elsevier Journal, Vol. 49, pp. 126?137, 2014.

[16] L. Kütt, M. Shafiq, M. Lehtonen, H. Mõlder, J. Järvik, "Air-Core Sensors Operation Modes for Partial Discharge Detection and On-line Diagnostics in Medium Voltage Networks", The Scientific Journal of Riga Technical University - Electrical, Control and Communication Engineering, Vol. 4, pp. 5-12, 2013.

[17] M. Shafiq, M. Lethonen, L. Kutt, G. A. Hussain, M. Hashmi, "Effect of Terminating Resistance on High Frequency Behaviour of Rogowski Coil for Transient Measurements", Journal of Electronics and Electrical Engineering (Elektronika  Ir Elektrotechnika) Vol. 19, No. 7, pp. 22-28,  2013.

[18] M. Shafiq, L. Kütt, M. Lehtonen, T. Nieminen and G. M. Hashmi, "Parameters Identification and Modeling of High Frequency Current Transducer for Partial Discharge Measurements", IEEE Sensors Journal, Vol. 13, No. 3, pp. 1081 ? 1091, 2013.

[19] M. Shafiq, L. Kütt, M. Isa, M. Hashmi, M. Lehtonen, "Directional Calibration of Rogowski Coil for Localization of Partial Discharges in Smart Distribution Networks", International Review of Electrical Engineering (IREE), Vol. 7. No. 5, pp.  5881-5890, 2012.

[20] Muzamir Isa, Nagy I. Elkalashy, Ghulam M. Hashmi, M. Shafiq, Matti Lehtonen, "Three Measuring Points for Partial Discharge Location in Energized Covered-Conductor Overhead Distribution Lines: Algorithm and Experimental Evaluation", International Review of Electrical Engineering (IREE), Vol. 7, No. 4, pp. 5221-5232, 2012.

[21] M. Isa, N. I. Elkalashy, G. M. Hashmi, M. Shafiq, M. Lehtonen, "Correlation Evaluation of Unsynchronized Multi-End Windows for Locating Partial Discharge Sources in Covered-Conductor Overhead Lines", International Review on Modeling and Simulations (IREMOS), Vol. 5. No. 4, pp. 1854-1857, 2012.

B. Conference publications

[1] M. Shafiq, G. Robles. K. Kimmo, M. Lehtonen, Propagation Characteristics of Partial discharge Signals in Medium Voltage Branched Cable Joints using HFCT Sensor, accepted for publication in CIRED- 2019, Madrid, June, 2019.

[2] G. A. Hussain, D. Hummes, M. Shafiq, M. Safdar, Detection of Multiple Partial Discharge Faults in Switchgear and

Power Cables, (accepted for presentation/publication), IEEE Texas Power and Energy Conference, Texas, USA, 2019.

(For more conference papers and publication detailes, please visit the links below)

(For more conference papers and detailes, please visit the links below)