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Use of optimized centroid and weighted centroid algorithms to locate a partial discharge source by using received signal strength. (2021)
Conference Proceeding
KHAN, U.F., JANJUA, G.M.W., AYUB, A., ILYAS, M.A., SHAHZAD, K. and MOHAMED, H. 2020. Use of optimized centroid and weighted centroid algorithms to locate a partial discharge source by using received signal strength. In Proceedings of 23rd Wireless personal multimedia communications symposium 2020 (WPMC2020): bridging wireless and business worlds, 19-26 October 2020, [virtual conference]. Piscataway: IEEE [online], article ID 9309452. Available from: https://doi.org/10.1109/WPMC50192.2020.9309452

Received signal strength (RSS) based localization of a source is a simple but effective technique. In RSS based localization source location is estimated by converting obtained signal into distance. In this paper, centroid and weighted centroid algor... Read More about Use of optimized centroid and weighted centroid algorithms to locate a partial discharge source by using received signal strength..

A comparative study on partial discharge emulators. (2020)
Conference Proceeding
MOHAMED, H., KHAN, U., YUSUF, M.A., MOHAMMED, M.M., ALHAJ, M., ALRWEG, M. and ALKHWELDI, M. 2020. A comparative study on partial discharge emulators. In Proceedings of 28th Telecommunications forum 2020 (TELFOR 2020), 24-25 November 2020, Belgrade, Serbia. Piscataway: IEEE [online], article ID 9306600. Available from: https://doi.org/10.1109/TELFOR51502.2020.9306600

Partial Discharge (PD) detection plays a vital role in electrical power stations, it can help protecting the high voltage equipment, it can prevent explosion of these equipment and hence preventing a catastrophic failure. PD detection can be performe... Read More about A comparative study on partial discharge emulators..

An efficient algorithm for partial discharge localization in high-voltage systems using received signal strength. (2018)
Journal Article
KHAN, U.F., LAZARIDIS, P.I., MOHAMED, H., ALBARRACIN, R., ZAHARIS, Z.D., ATKINSON, R.C., TACHTATZIS, C. and GLOVER, I.A. 2018. An efficient algorithm for partial discharge localization in high-voltage systems using received signal strength. Sensors [online], 18(11), article ID 4000. Available from: https://doi.org/10.3390/s18114000

The term partial discharge (PD) refers to a partial bridging of insulating material between electrodes that sustain an electric field in high-voltage (HV) systems. Long-term PD activity can lead to catastrophic failures of HV systems resulting in eco... Read More about An efficient algorithm for partial discharge localization in high-voltage systems using received signal strength..

Localization of partial discharge by using received signal strength. (2018)
Presentation / Conference
KHAN, U., LAZARIDIS, P., MOHAMED, H., UPTON, D., MISTRY, K., SAEED, B., MATHER, P., VIEIRA, F.Q., ATKINSON, R.C., TACHTATZIS, C. and GLOVER, I.A. 2018. Localization of partial discharge by using received signal strength. In Proceedings of the 2nd Union radio-scientifique internationale (URSI) Atlantic radio science conference (AT-RASC) (URSI AT-RASC 2018), 28 May - 1 June 2018, Gran Canaria, Spain. Gran Canaria: URSI [online], paper ID F01-2. Available from: http://www.ursi.org/proceedings/procAT18/papers/PID5208923.pdf

The term partial discharge (PD) refers to a partial breakdown in an insulator which bridges two conductors. PD occurs due to insulation defects which arise as a result of high voltage stresses or insulation cracks. Continuous monitoring of PD activit... Read More about Localization of partial discharge by using received signal strength..

A supervisory system for partial discharge monitoring. (2018)
Presentation / Conference
SAEED, B.I., UPTON, D.W., VIEIRA, M.F.Q., TORRES, F., MOHAMED, H., MISTRY, K., MATHER, P.J., LAZARIDIS, P., KHAN, U., TACHTATZIS, C., ATKINSON, R., JUDD, M. and GLOVER, I.A. 2018. A supervisory system for partial discharge monitoring. In Proceedings of the 2nd Union radio-scientifique internationale (URSI) Atlantic radio science conference (AT-RASC) (URSI AT-RASC 2018)[online], 28 May - 1 June 2018, Gran Canaria, Spain. Gran Canaria: URSI [online}, paper ID CO2-01. Available from: http://www.ursi.org/proceedings/procAT18/papers/KPDWSNProjectProjectPapersandPresentationsPendingPublicationPID5208027.pdf

Continuous measurement of partial discharge plays a vital role in monitoring the status of high voltage equipment in electricity substations. This requires a comprehensive supervisory system to detect, monitor, collect and locate partial discharge ac... Read More about A supervisory system for partial discharge monitoring..

Partial discharge detection in smart grid using software defined radio. (2017)
Conference Proceeding
MOHAMED, H., LAZARIDIS, P.I., KHAN, U., SAEED, B., MISTRY, K., UPTON, D., MATHER, P.J. and GLOVER, I.A. 2017. Partial discharge detection in smart grid using software defined radio. In Proceedings of 25th Telecommunications forum 2017 (TELFOR 2017), 21-22 November 2017, Belgrade, Serbia. Piscataway: IEEE [online], article ID 8249457. Available from: https://doi.org/10.1109/TELFOR.2017.8249457

Smart grid is the term used to describe the next generation power grid in which the management of electricity distribution is enhanced by advanced two-way communications, so that it monitors, protects, and takes decisions automatically to optimize th... Read More about Partial discharge detection in smart grid using software defined radio..

Partial discharge localization based on received signal strength. (2017)
Conference Proceeding
MOHAMED, H., LAZARIDIS, P., UPTON, D., KHAN, U., MISTRY, K., SAEED, B., MATHER, P., VIEIRA, M.F.Q., BARLEE, K.W., ATKINSON, D.S.W., and GLOVER, I.A. 2017. Partial discharge localization based on received signal strength. In Proceedings of the 23rd International conference on automation and computing 2017 (ICAC 2017), 7-8 September 2017, Huddersfield, UK. Piscataway: IEEE [online], article ID 8082028. Available from: https://doi.org/10.23919/IConAC.2017.8082028

Partial Discharge (PD) occurs when insulation containing defects or voids is subject to high voltages. If left untreated PD can degrade insulation until, eventually, catastrophic insulation failure occurs. The detection of PD current pulses, however,... Read More about Partial discharge localization based on received signal strength..

Wireless sensor network for radiometric detection and assessment of partial discharge in HV equipment. (2017)
Conference Proceeding
UPTON, D.W., SAEED, B.I., KHAN, U., JABER, A., MOHAMED, H., MISTRY, K., MATHER, P.J., LAZARIDIS, P., VIEIRA, M.F.Q., ATKINSON, R., TACHTATZIS, C., IORKYASE, E., JUDD, M. and GLOVER, I.A. 2017. Wireless sensor network for radiometric detection and assessment of partial discharge in HV equipment. In Proceedings of 32nd Union Radio Science international (URSI) General assembly and scientific symposium 2017 (URSI GASS 2017), 19-26 August 2017, Montreal, Canada. Piscataway: IEEE [online], article ID 8104973. Available from: https://doi.org/10.23919/URSIGASS.2017.8104973

Monitoring of partial discharge (PD) activity within high voltage electrical environments is frequently used for the assessment of insulation condition. Traditional measurement techniques employ technologies that require either offline installation o... Read More about Wireless sensor network for radiometric detection and assessment of partial discharge in HV equipment..

Assessment of effective radiated power of the partial discharge emulator source. (2017)
Conference Proceeding
JABER, A., LAZARIDIS, P., SAEED, B., ZHANG, Y., KHAN, U., UPTON, D., AHMED, H., MATHER, P., ATKINSON, R., JUDD, M., VIEIRA, M.F.Q. and GLOVER, I. 2016. Assessment of effective radiated power of the partial discharge emulator source. In Otung, I., Pillai, P., Eleftherakis, G. and Giambene, G. (eds.) Wireless and satellite systems: proceedings of 8th Wireless and satelite systems international conference 2016 (WiSATS 2016), 19-20 September 2016, Cardiff, UK. Lecture notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, 186. Cham: Springer [online], pages 108-115. Available from: https://doi.org/10.1007/978-3-319-53850-1_12

Two effective partial discharge (PD) measurement techniques are used; a galvanic contact measurement technique similar to the IEC 60270 standard measurement and free-space radiometric (FSR) measurement. Several types of PD sources are specially const... Read More about Assessment of effective radiated power of the partial discharge emulator source..

Validation of partial discharge emulator simulations using free-space radiometric measurements. (2016)
Conference Proceeding
JABER, A., LAZARIDIS, P., SAEED, B., ZHANG, Y., KHAN, U., UPTON, D., AHMED, H., MATHER, P., VIEIRA, M.F.Q., ATKINSON, R., JUDD, M. and GLOVER, I.A. 2016. Validation of partial discharge emulator simulations using free-space radiometric measurements. In Al-Shibaany, Z.Y.A. and Hameed, A.F. (eds.) Proceedings of 2016 International conference for students on applied engineering (ICSAE 2016), 20-21 October 2016, Newcastle Upon Tyne, UK. Piscataway: IEEE [online], pages 475-478. Available from: https://doi.org/10.1109/ICSAE.2016.7810238

A useful technique to estimate the degradation of insulation in high voltage (HV) installations is the measurement of partial discharge (PD). Free-space radiometric (FSR) detection of PD is a relatively new technique. Several types of PD emulator sou... Read More about Validation of partial discharge emulator simulations using free-space radiometric measurements..

Partial discharge detection using software defined radio. (2016)
Conference Proceeding
MOHAMED, H., LAZARIDIS, P., UPTON, D., KHAN, U., SAEED, B., JABER, A., ZHANG, Y., MATHER, P., VIEIRA, M.F.Q., BARLEE, K., ATKINSON, D.S.W. and GLOVER, I.A. 2016. Partial discharge detection using software defined radio. In Al-Shibaany, Z.Y.A. and Hameed, A.F. (eds.) Proceedings of 2016 International conference for students on applied engineering (ICSAE 2016), 20-21 October 2016, Newcastle Upon Tyne, UK. Piscataway: IEEE [online], pages 373-376. Available from: https://doi.org/10.1109/ICSAE.2016.7810220

Partial discharge (PD) is an electrical discharge that occurs within part of the dielectric separating two HV (High Voltage) conductors. PD causes damage to the dielectric which typically deteriorates with time. If left untreated, PD may result in ca... Read More about Partial discharge detection using software defined radio..

Comparative study of partial discharge emulators for the calibration of free-space radiometric measurements. (2016)
Conference Proceeding
JABER, A., LAZARIDIS, P., SAEED, B., ZHANG, Y., KHAN, U., UPTON, D., AHMED, H., MATHER, P., VIEIRA, M.F.Q., ATKINSON, R., JUDD, M. and GLOVER, I.A. 2016. Comparative study of partial discharge emulators for the calibration of free-space radiometric measurements. In Xu, Z. and Wang, J. Proceedings of 22nd International conference on automation and computing 2016 (ICAC 2016): tackling the new challenges in automation and computing, 7-8 September 2016, Colchester, UK. Piscataway: IEEE [online], article ID 7604938, pages 313-316. Available from: https://doi.org/10.1109/iconac.2016.7604938

Partial discharge is measured simultaneously using free-space radiometry (FSR) and a galvanic contact measurement technique based on the IEC 60270 standard. Several types of PD (Partial Discharge) sources are specially constructed: two internal PD em... Read More about Comparative study of partial discharge emulators for the calibration of free-space radiometric measurements..

Assessment of absolute partial discharge intensity from a free-space radiometric measurement. (2016)
Conference Proceeding
JABER, A., LAZARIDIS, P., ZHANG, Y., SAEED, B., KHAN, U., UPTON, D., AHMED, H., MATHER, P., VIEIRA, M.F.Q., ATKINSON, R., JUDD, M. and GLOVER, I.A. 2016. Assessment of absolute partial discharge intensity from a free-space radiometric measurement. In Proceedings of 2016 International Union of Radio Science (URSI) Asia-Pacific radio science conference (URSI AP-RASC 2016), 21-25 August 2016, Seoul, Korea. Piscataway: IEEE [online], article ID 7601345, pages 1011-1014. Available from: https://doi.org/10.1109/URSIAP-RASC.2016.7601345

Partial discharge (PD) is measured simultaneously using free-space radiometric (FSR) and a galvanic contact measurement technique based on the IEC 60270 standard. The PD source is an emulator of the floating-electrode type. The radiated signal is cap... Read More about Assessment of absolute partial discharge intensity from a free-space radiometric measurement..

Network electro-thermal simulation of non-isothermal magnetohydrodynamic heat transfer from a transpiring cone with buoyancy and pressure work. (2016)
Journal Article
BÉG, O.A., ZUECO, J., KADIR, A., BÉG, T.A. and KHAN, U.F. 2017. Network electro-thermal simulation of non-isothermal magnetohydrodynamic heat transfer from a transpiring cone with buoyancy and pressure work. International journal of applied and computational mathematics [online], 3(2), pages 1525–1547. Available from: https://doi.org/10.1007/s40819-016-0192-5

The steady, axisymmetric laminar natural convection boundary layer flow from a non-isothermal vertical circular porous cone under a transverse magnetic field, with the cone vertex located at the base, is considered. The pressure work effect is includ... Read More about Network electro-thermal simulation of non-isothermal magnetohydrodynamic heat transfer from a transpiring cone with buoyancy and pressure work..

Partial discharge detection using low cost RTL-SDR model for wideband spectrum sensing. (2016)
Conference Proceeding
MOHAMED, H., LAZARIDIS, P., UPTON, D., KHAN, U., SAEED, B., JABER, A., ZHANG, Y., MATHER, P., VIEIRA, M.F.Q., BARLEE, K.W., ATKINSON, D.S.W., MIHOVSKA, A., GAVRILOVSKA, L. and GLOVER, I.A. 2016. Partial discharge detection using low cost RTL-SDR model for wideband spectrum sensing. In Proceedings of 23rd International conference on telecommunications 2016 (ICT 2016), 16-18 May 2016, Thessaloniki, Greece. Piscataway: IEEE [online], article ID 7500353. Available from: https://doi.org/10.1109/ICT.2016.7500353

Partial discharge (PD) is one of the predominant factors to be controlled to ensure reliability and undisrupted functions of power generators, motors, Gas Insulated Switchgear (GIS) and grid connected power distribution equipment, especially in the f... Read More about Partial discharge detection using low cost RTL-SDR model for wideband spectrum sensing..

Multiple source localization for partial discharge monitoring in electrical substation. (2015)
Conference Proceeding
ZHANG, Y., UPTON, D., JABER, A., AHMED, H., KHAN, U., SAEED, B., MATHER, P., LAZARIDIS, P., ATKINSON, R., VIEIRA, M.F.Q. and GLOVER, I.A. 2015. Multiple source localization for partial discharge monitoring in electrical substation. In Proceedings of 2015 Loughborough antennas and propagation conference (LAPC 2015), 2-3 November 2015, Loughbrough, UK. Piscataway: IEEE [online], article ID 7366001. Available from: https://doi.org/10.1109/LAPC.2015.7366001

This paper studies novel localization methods of multiple partial discharge sources in electrical substations. The three compressive sensing algorithms of Orthogonal Matching Pursuit (OMP), Homotopy technique, and Dichotomous coordinate descent (DCD)... Read More about Multiple source localization for partial discharge monitoring in electrical substation..

Comparison of contact measurement and free-space radiation measurement of partial discharge signals. (2015)
Conference Proceeding
JABER, A., LAZARIDIS, P., ZHANG, Y., UPTON, D., AHMED, H., KHAN, U., SAEED, B., MATHER, P., VIEIRA, M.F.Q., ATKINSON, R., JUDD, M. and GLOVER, I.A. 2015. Comparison of contact measurement and free-space radiation measurement of partial discharge signals. In Proceedings of 21st International conference on automation and computing 2015 (ICAC 2015), 11-12 September 2015, Glasgow, UK. Piscataway: IEEE [online], article ID 7313955. Available from: https://doi.org/10.1109/IConAC.2015.7313955

Two partial discharge (PD) measurement techniques, a contact measurement technique (similar to the IEC 60270 standard measurement) and a free-space radiation (FSR) measurement technique, are compared for the case of a floating electrode PD source. Th... Read More about Comparison of contact measurement and free-space radiation measurement of partial discharge signals..

An ultrawideband patch antenna for UHF detection of partial discharge. (2015)
Conference Proceeding
ZHANG, Y., UPTON, D., JABER, A., KHAN, U., SAEED, B., AHMED, H., MATHER, P., ATKINSON, R., LAZARIDIS, P., VIEIRA, M.F.Q. and GLOVER, I.A. 2015. An ultrawideband patch antenna for UHF detection of partial discharge. In Proceedings of 1st International Union of Radio Science (URSI) Atlantic meeting on radio science 2015 (URSI-AT-RASC 2015), 18-25 May 2015, Gran Canaria, Spain. Piscataway: IEEE [online], article ID 7202823. Available from: https://doi.org/10.1109/URSI-AT-RASC.2015.7302823

The location of partial discharge (PD) sources by free-space UHF detection is an attractive approach for condition monitoring of high voltage equipment in substations. A low-cost, radiometric, PD wireless sensor network (WSN) has been proposed to pro... Read More about An ultrawideband patch antenna for UHF detection of partial discharge..

Radiometer monitoring system for partial discharge detection in substation. (2015)
Conference Proceeding
ZHANG, Y., NETO, J.M., UPTON, D., JABER, A., KHAN, U., SAEED, B., AHMED, H., MATHER, P., ATKINSON, R., NETO, J.S., VIEIRA, M.F.Q., LAZARIDIS, P. and GLOVER, I.A. 2015. Radiometer monitoring system for partial discharge detection in substation. In Proceedings of 1st International Union of Radio Science (URSI) Atlantic meeting on radio science 2015 (URSI-AT-RASC 2015), 18-25 May 2015, Gran Canaria, Spain. Piscataway: IEEE [online], article ID 7202823. Available from: https://doi.org/10.1109/URSI-AT-RASC.2015.7302823

Progress on the development of an insulation defect detection and location system using a partial discharge (PD) wireless sensor network (WSN) will be presented. Such a PD WSN based on intensity-only measurements has cost and scalability advantages o... Read More about Radiometer monitoring system for partial discharge detection in substation..

Signal conditioning electronics for UHF partial discharge detection and location system. (2014)
Presentation / Conference
UPTON, D.W., MATHER, P.J., ZHANG, Y., JABER, A., AHMED, H., KHAN, U., SAEED, B., VIEIRA, M.F.Q., ATKINSON, R. and GLOVER, I.A. 2014. Signal conditioning electronics for UHF partial discharge detection and location system. Presented at the 2014 International Union of Radio Science (URSI) Festival of radio science, 16 December 2014, Manchester, UK.

Partial Discharge (PD) occurs in damaged high-voltage insulation. PD results in UHF electromagnetic radiation which can be used to detect and locate insulation faults in HV power systems equipment such as transmission lines and transformers thereby p... Read More about Signal conditioning electronics for UHF partial discharge detection and location system..