Outputs (24)

The Effect of Conducted Emissions of Grid-Tied Three-Phase Adjustable Drives (2023)
Journal Article
Genc, S., Muneeswaran, V., Thomas, D., Greedy, S., Gundogdu, B., Sarma, N., & Ozgonenel, O. (2023). The Effect of Conducted Emissions of Grid-Tied Three-Phase Adjustable Drives. Engineering Science and Technology, an International Journal, 46, Article 101505. https://doi.org/10.1016/j.jestch.2023.101505

Electromagnetic Interference (EMI) is generated and mitigated in power converters. EMI problems are related to high-speed power converters. This article focuses on conducted electromagnetic interference in adjustable-speed drive (ASD) systems. The el... Read More about The Effect of Conducted Emissions of Grid-Tied Three-Phase Adjustable Drives.

Implementation and performance evaluation of controller signal embedded sensorless speed estimation for wind turbine doubly fed induction generators (2023)
Journal Article
Wang, Y., Đukanović, S., Sarma, N., & Djurović, S. (2023). Implementation and performance evaluation of controller signal embedded sensorless speed estimation for wind turbine doubly fed induction generators. International Journal of Electrical Power & Energy Systems, 148, Article 108968. https://doi.org/10.1016/j.ijepes.2023.108968

This paper reports a novel sensorless speed estimation method for wind turbine doubly fed induction generators that is highly non-invasive and utilises the readily available generator drive controller signals. A generalised analytic analysis is first... Read More about Implementation and performance evaluation of controller signal embedded sensorless speed estimation for wind turbine doubly fed induction generators.

Short term load forecasting based on ARIMA and ANN approaches (2023)
Journal Article
Tarmanini, C., Sarma, N., Gezegin, C., & Ozgonenel, O. (2023). Short term load forecasting based on ARIMA and ANN approaches. Energy Reports, 9(Supplement 3), 550-557. https://doi.org/10.1016/j.egyr.2023.01.060

Forecasting electricity demand requires accurate and sustainable data acquisition systems which rely on smart grid systems. To predict the demand expected by the grid, many smart meters are required to collect sufficient data. However, the problem is... Read More about Short term load forecasting based on ARIMA and ANN approaches.

Early life failure modes and downtime analysis of onshore type-III wind turbines in Turkey (2022)
Journal Article
Sarma, N., Tuohy, P. M., Özgönenel, O., & Djurović, S. (2023). Early life failure modes and downtime analysis of onshore type-III wind turbines in Turkey. Electric Power Systems Research, 216, Article 108956. https://doi.org/10.1016/j.epsr.2022.108956

Operations and maintenance costs, and unplanned downtime accounts for a significant proportion of the total expenditure of windfarms. Therefore, reduction of these costs is essential, which requires a better understanding of the wind turbines' reliab... Read More about Early life failure modes and downtime analysis of onshore type-III wind turbines in Turkey.

Fiber Optic Fiber Bragg Grating Sensing for Monitoring and Testing of Electric Machinery: Current State of the Art and Outlook (2022)
Journal Article
Suryandi, A. A., Sarma, N., Mohammed, A., Peesapati, V., & Djurović, S. (2022). Fiber Optic Fiber Bragg Grating Sensing for Monitoring and Testing of Electric Machinery: Current State of the Art and Outlook. Machines, 10(11), Article 1103. https://doi.org/10.3390/machines10111103

This paper presents a review of the recent trends and the current state of the art in the application of fiber optic fiber Bragg gratings (FBG) sensing technology to condition the monitoring (CM) and testing of practical electric machinery and the as... Read More about Fiber Optic Fiber Bragg Grating Sensing for Monitoring and Testing of Electric Machinery: Current State of the Art and Outlook.

Investigation of Doubly-fed Induction Generator Controller Signals under Variable Speed Operating Conditions (2022)
Conference Proceeding
Sarma, N. (2022). Investigation of Doubly-fed Induction Generator Controller Signals under Variable Speed Operating Conditions. In 2022 11th International Conference on Renewable Energy Research and Application (ICRERA). https://doi.org/10.1109/icrera55966.2022.9922900

The analysis of the controller signals of a doublyfed induction generator under variable speed operating conditions with and without generator faults is presented in the time domain in order to more accurately investigate the conditions presently exp... Read More about Investigation of Doubly-fed Induction Generator Controller Signals under Variable Speed Operating Conditions.

Condition monitoring of rotating electrical machines (2022)
Book Chapter
Sarma, N., Tuohy, P., & Djurovic, S. (2022). Condition monitoring of rotating electrical machines. In Reference Module in Materials Science and Materials Engineering. Elsevier. https://doi.org/10.1016/b978-0-12-821204-2.00136-7

Intelligent Condition Monitoring of Wind Power Systems: State of the Art Review (2021)
Journal Article
Benbouzid, M., Berghout, T., Sarma, N., Djurovic, S., Wu, Y., & Ma, X. (2021). Intelligent Condition Monitoring of Wind Power Systems: State of the Art Review. Energies, 14(18), https://doi.org/10.3390/en14185967

Stator Electrical Fault Detection in DFIGs Using Wide-Band Analysis of the Embedded Signals From the Controllers (2021)
Journal Article
Sarma, N., Tuohy, P., & Djurovic, S. (2021). Stator Electrical Fault Detection in DFIGs Using Wide-Band Analysis of the Embedded Signals From the Controllers. IEEE Transactions on Energy Conversion, 36(2), 800-811. https://doi.org/10.1109/tec.2020.3017443

Rotor Electrical Fault Detection in DFIGs Using Wide-Band Controller Signals (2021)
Journal Article
Sarma, N., Tuohy, P., Mohammed, A., & Djurovic, S. (2021). Rotor Electrical Fault Detection in DFIGs Using Wide-Band Controller Signals. IEEE Transactions on Sustainable Energy, 12(1), 623-633. https://doi.org/10.1109/tste.2020.3014446

DFIG current and controller signals’ angular shaft misalignment signature’an experimental case study (2020)
Conference Proceeding
Wang, Y., Sarma, N., Mohammed, A., & Djurovic, S. (2020). DFIG current and controller signals’ angular shaft misalignment signature’an experimental case study. . https://doi.org/10.1109/icem49940.2020.9271062

Modeling, Analysis, and Validation of Controller Signal Interharmonic Effects in DFIG Drives (2020)
Journal Article
Sarma, N., Tuohy, P., & Djurovic, S. (2020). Modeling, Analysis, and Validation of Controller Signal Interharmonic Effects in DFIG Drives. IEEE Transactions on Sustainable Energy, 11(2), 713-725. https://doi.org/10.1109/tste.2019.2904113

Double Fed Induction Generator Shaft Misalignment Monitoring by FBG Frame Strain Sensing (2020)
Journal Article
Wang, Y., Mohammed, A., Sarma, N., & Djurovic, S. (2020). Double Fed Induction Generator Shaft Misalignment Monitoring by FBG Frame Strain Sensing. IEEE Sensors Journal, 20(15), 8541-8551. https://doi.org/10.1109/jsen.2020.2984309

Modeling of a Typical Photovoltaic Module using Matlab/Simulink (2018)
Conference Proceeding
Sarma, N., Gegin, K., Simsir, M., & Tutkun, N. (2018). Modeling of a Typical Photovoltaic Module using Matlab/Simulink. . https://doi.org/10.1109/ismsit.2018.8567261

Comparison of Typical PV Module Performances Based on the Circuit Models (2018)
Conference Proceeding
Tutkun, N., Gegin, K., Sarma, N., & Salam, Z. (2018). Comparison of Typical PV Module Performances Based on the Circuit Models. . https://doi.org/10.1109/appeec.2018.8566280

DFIG stator flux-oriented control scheme execution for test facilities utilising commercial converters (2018)
Journal Article
Sarma, N., Tuohy, P., Apsley, J., Wang, Y., & Djurovic, S. (2018). DFIG stator flux-oriented control scheme execution for test facilities utilising commercial converters. IET Renewable Power Generation, https://doi.org/10.1049/iet-rpg.2018.5195

Investigation of grid supply harmonic effects in wound rotor induction machines (2018)
Conference Proceeding
Sarma, N., & Tuohy, P. (2018). Investigation of grid supply harmonic effects in wound rotor induction machines. . https://doi.org/10.1109/iceee2.2018.8391381

Fibre optic monitoring of induction machine frame strain as a diagnostic tool (2017)
Conference Proceeding
Mohammed, A., Sarma, N., & Djurovic, S. (2017). Fibre optic monitoring of induction machine frame strain as a diagnostic tool. . https://doi.org/10.1109/iemdc.2017.8002208

Implementation of a conventional DFIG stator flux oriented control scheme using industrial converters (2016)
Conference Proceeding
Sarma, N., Apsley, J., & Djurovic, S. (2016). Implementation of a conventional DFIG stator flux oriented control scheme using industrial converters. . https://doi.org/10.1109/icrera.2016.7884544

Analysis of a wound rotor induction machine low frequency vibroacoustic emissions under stator winding fault conditions (2016)
Conference Proceeding
Sarma, N., Li, Q., Djurovic, S., Smith, A., & Rowland, S. (2016). Analysis of a wound rotor induction machine low frequency vibroacoustic emissions under stator winding fault conditions. . https://doi.org/10.1049/cp.2016.0335

An experimental study of winding fault induced slot harmonic effects in the cage rotor induction machine stator current (2016)
Conference Proceeding
Sarma, N., Mohammed, A., Melecio, J., Tshiloz, K., & Djurovic, S. (2016). An experimental study of winding fault induced slot harmonic effects in the cage rotor induction machine stator current. . https://doi.org/10.1049/cp.2016.0343

On wound rotor induction machine rotor electrical unbalance recognition using stator frame vibration spectral analysis (2016)
Conference Proceeding
Vilchis-Rodriguez, D., Djurovic, S., Sarma, N., Tshiloz, K., Smith, A., & Wei, Y. (2016). On wound rotor induction machine rotor electrical unbalance recognition using stator frame vibration spectral analysis. . https://doi.org/10.1049/cp.2016.0368

Sensorless speed estimation in wound rotor induction machines by spectral search of the stator phase power signal (2016)
Journal Article
Tshiloz, K., Vilchis-Rodriguez, D., Djukanovic, S., Sarma, N., & Djurovic, S. (2016). Sensorless speed estimation in wound rotor induction machines by spectral search of the stator phase power signal. https://doi.org/10.1049/iet-epa.2015.0513

Modelling of induction machine time and space harmonic effects in the SIMULINK environment (2015)
Conference Proceeding
Sarma, N., Tshiloz, K., Vilchis-Rodriguez, D., & Djurovic, S. (2015). Modelling of induction machine time and space harmonic effects in the SIMULINK environment. . https://doi.org/10.1109/iemdc.2015.7409226