A/Pr Tony Ahfock

Name	A/Pr Tony Ahfock
Email Address	tony.ahfock@unisq.edu.au
Job Title	Associate Professor (Electrical Engineering)
Qualifications	BEng(Hons) Monash, PhD Monash
Department	School of Engineering

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Employment

Position	Organisation	From	To
Associate Professor	University of Southern Queensland	1985	2023

Expertise

Electrical machines

Teaching

Electrical Power Engineering

Electromagnetic Modelling

Fields of Research

400899. Electrical engineering not elsewhere classified

Qualification name

BEng(Hons)

School

Monash

Year

1990

Qualification name

PhD

School

Monash

Year

1990

Current Supervisions

Research Title	Supervisor Type	Level of Study	Commenced
The effects of the increase in inverter-based resources on network fault protection	Principal Supervisor	Doctoral	2020

Completed Supervisions

Research Title	Supervisor Type	Level of Study	Completed
A Technical and Techno-economic Case for Intermittent Renewable Energy Generation to Participate in Spinning Reserve Ancillary Service Markets	Associate Supervisor	Doctoral	2024
Distributed static compensator (DSTATCOM) for voltage support in Single Wire Earth Return (SWER) networks	Principal Supervisor	Doctoral	2017
Human head temperature and electric field investigations under ECT	Associate Supervisor	Doctoral	2017
Numerical human head modelling and investigation for precise tDCS applications	Associate Supervisor	Doctoral	2016

Firming up renewable generation for frequency control and load following ancillary services participation

Mlilo, Njabulo, Brown, Jason and Ahfock, Tony. 2024. "Firming up renewable generation for frequency control and load following ancillary services participation." Energy Systems. https://doi.org/10.1007/s12667-024-00705-4

An integrated decision-making approach for managing transformer tap changer operation while optimizing renewable energy storage allocation using ANP-entropy and TOPSIS

Haidar, Ahmed M. A., Sharip, Mohd R. M. and Ahfock, Tony. 2024. "An integrated decision-making approach for managing transformer tap changer operation while optimizing renewable energy storage allocation using ANP-entropy and TOPSIS." Electrical Engineering: Archiv fuer elektrotechnik. 106 (3), pp. 2407-2423. https://doi.org/10.1007/s00202-023-02057-1

Feasibility Analysis of Implementing Hybrid Powered Electric Vehicle Charging Stations in Sarawak

Haidar, Ahmed M. A., Ahfock, Tony and Han, Lim Wei. 2022. "Feasibility Analysis of Implementing Hybrid Powered Electric Vehicle Charging Stations in Sarawak." 2022 IEEE Sustainable Power and Energy Conference (iSPEC). Perth, Australia 04 - 07 Dec 2022 Australia. IEEE (Institute of Electrical and Electronics Engineers). https://doi.org/10.1109/iSPEC54162.2022.10032990

Impact of intermittent renewable energy generation penetration on the power system networks – A review

Mlilo, Njabulo, Brown, Jason and Ahfock, Tony. 2021. "Impact of intermittent renewable energy generation penetration on the power system networks – A review." Technology and Economics of Smart Grids and Sustainable Energy. 6 (1), pp. 1-19. https://doi.org/10.1007/s40866-021-00123-w

Grid frequency support from inverter connected generation

Mlilo, Njabulo, Ahfock, Tony and Brown, Jason. 2021. "Grid frequency support from inverter connected generation." 31st Australasian Universities Power Engineering Conference (AUPEC 2021). Perth, Australia 26 - 30 Sep 2021 United States. https://doi.org/10.1109/AUPEC52110.2021.9597782

The current state of Distributed Renewable Generation, challenges of interconnection and opportunities for energy conversion based DC microgrids

Ullah, Shahid, Haidar, Ahmed M. A., Hoole, Paul, Zen, Hushairi and Ahfock, Tony. 2020. "The current state of Distributed Renewable Generation, challenges of interconnection and opportunities for energy conversion based DC microgrids." Journal of Cleaner Production. 273, pp. 1-23. https://doi.org/10.1016/j.jclepro.2020.122777

An Investigation into Wooden Pole Fire Inception Threshold in a Single Wire Earth Return System under Drought Conditions

Catriz, Roderick, Ahfock, Tonuy and Worden, John. 2020. "An Investigation into Wooden Pole Fire Inception Threshold in a Single Wire Earth Return System under Drought Conditions ." 29th Australasian Universities Power Engineering Conference (AUPEC 2019). Nadi, Fiji 26 - 29 Nov 2019 United States. https://doi.org/10.1109/AUPEC48547.2019.211914

A distributed secondary control strategy for power sharing and voltage regulation by multiple converters in DC micro-grids

Ullah, Shahid, Haidar, Ahmed M. A., Muttaqi, Kashem M. and Ahfock, Tony. 2019. "A distributed secondary control strategy for power sharing and voltage regulation by multiple converters in DC micro-grids." 2019 IEEE International Conference on Electrical, Control and Instrumentation Engineering (ICECIE 2019). Kuala Lumpur, Malaysia 25 Nov 2019 United States. https://doi.org/10.1109/ICECIE47765.2019.8974711

A preliminary study of the impact of lateral head orientations on the current distributions during tDCS

Song, Bo, Menezes de Oliveira, Marilia, Wang, Shuaifang, Li, Yan, Wen, Peng and Ahfock, Tony. 2019. "A preliminary study of the impact of lateral head orientations on the current distributions during tDCS." Liang, Peipeng, Goel, Vinod and Shan, Chunlei (ed.) 12th International Conference on Brain Informatics (BI 2019). Haikou, China 13 - 15 Dec 2019 Cham, Switzerland. https://doi.org/10.1007/978-3-030-37078-7_25

Daniell cell investigation for energy storage

Parikipandla, Bharath, Helwig, Andreas, Byrne, Terry, Holmes, Graham and Ahfock, Tony. 2018. "Daniell cell investigation for energy storage." 2017 Australasian Universities Power Engineering Conference (AUPEC 2017) . Melbourne, Australia 19 - 22 Nov 2017 New York, United States. https://doi.org/10.1109/AUPEC.2017.8282396

Modeling of multi-junction solar cells for maximum power point tracking to improve the conversion efficiency

Wang, Zhe, Das, Narottam, Helwig, Andreas and Ahfock, Tony. 2018. "Modeling of multi-junction solar cells for maximum power point tracking to improve the conversion efficiency." 2017 Australasian Universities Power Engineering Conference (AUPEC 2017) . Melbourne, Australia 19 - 22 Nov 2017 New York, United States. https://doi.org/10.1109/AUPEC.2017.8282402

Impact of incident light angle on the conversion efficiency of nano-structured GaAs solar cells

Sharma, Manish, Das, Narottam, Helwig, Andreas and Ahfock, Tony. 2018. "Impact of incident light angle on the conversion efficiency of nano-structured GaAs solar cells ." 2017 Australasian Universities Power Engineering Conference (AUPEC 2017) . Melbourne, Australia 19 - 22 Nov 2017 New York, United States. https://doi.org/10.1109/AUPEC.2017.8282411

Axial flux PM coreless stator machine development for low speed wind generator

Kaliyev, Vladislav, Helwig, Andreas and Ahfock, Tony. 2018. "Axial flux PM coreless stator machine development for low speed wind generator." 2017 Australasian Universities Power Engineering Conference (AUPEC 2017) . Melbourne, Australia 19 - 22 Nov 2017 United States. https://doi.org/10.1109/AUPEC.2017.8282397

Human Head Modelling Simulation Applied to Electroconvulsive Therapy

Menezes de Oliveira, Marilia, Song, Bo, Ahfock, Tony, Li, Yan and Wen, Paul. 2018. "Human Head Modelling Simulation Applied to Electroconvulsive Therapy." Abreu de Souza, Mauren, Remigio Gamba, Humberto and Pedrini, Helio (ed.) Multi-Modality Imaging: Applications and Computational Techniques. Cham, Switzerland. Springer. pp. 103-133

Energy management and automated analytics for reduction of energy consumption

Santarossa, Matthew, Das, Narottam, Helwig, Andreas and Ahfock, Tony. 2016. "Energy management and automated analytics for reduction of energy consumption." Saha, Tapan (ed.) 26th Australasian Universities Power Engineering Conference (AUPEC 2016). Brisbane, Australia 25 - 28 Sep 2016 Brisbane, Australia. https://doi.org/10.1109/AUPEC.2016.7749315

Heat transfer due to electroconvulsive therapy: influence of anisotropic thermal and electrical skull conductivity

Menezes de Oliveira, Marilia, Wen, Peng and Ahfock, Tony. 2016. "Heat transfer due to electroconvulsive therapy: influence of anisotropic thermal and electrical skull conductivity." Computer Methods and Programs in Biomedicine. 133, pp. 71-81. https://doi.org/10.1016/j.cmpb.2016.05.022

Numeric investigation of brain tumor influence on the current distributions during transcranial direct current stimulation

Song, Bo, Wen, Peng, Ahfock, Tony and Li, Yan. 2016. "Numeric investigation of brain tumor influence on the current distributions during transcranial direct current stimulation." IEEE Transactions on Biomedical Engineering. 63 (1), pp. 176-187. https://doi.org/10.1109/TBME.2015.2468672

Single Wire Earth Return (SWER) system voltage support using four quadrant DSTATCOM

Mirazimiabarghouei, Seyed Javad, Ahfock, Tony and Helwig, Andreas. 2016. "Single Wire Earth Return (SWER) system voltage support using four quadrant DSTATCOM." 6th IEEE International Conference on Power and Energy (PECon 2016): Empowering Technologies for Future Energy Sustainability. Melaka, Malaysia 28 - 29 Nov 2016 Malaysia. https://doi.org/10.1109/PECON.2016.7951564

Placement of Distribution STATic COMpensator (DSTATCOM) as voltage support equipment in Single Wire Earth Return (SWER) system

Mirazimiabarghouei, Seyed Javad, Ahfock, Tony and Helwig, Andreas. 2016. "Placement of Distribution STATic COMpensator (DSTATCOM) as voltage support equipment in Single Wire Earth Return (SWER) system." 6th IEEE International Conference on Power and Energy (PECon 2016): Empowering Technologies for Future Energy Sustainability. Melaka, Malaysia 28 - 29 Nov 2016 https://doi.org/10.1109/PECON.2016.7951468

A case study: is energy storage affordable for further Australian sustainable energy development?

Helwig, Andreas and Ahfock, Tony. 2015. "A case study: is energy storage affordable for further Australian sustainable energy development?" 25th Australasian Universities Power Engineering Conference 2015: Challenges for Future Grids (AUPEC 2015). Wollongong, Australia 27 - 30 Sep 2015 Wollongong, NSW, Australia. https://doi.org/10.1109/AUPEC.2015.7324821

A preliminary study about the distribution of temperature due to electrical stimulation in ECT

Menezes de Oliveira, Marilia, Wen, Peng, Ahfock, Tony and Shahid, Syed Salman. 2014. "A preliminary study about the distribution of temperature due to electrical stimulation in ECT." 2014 ICME International Conference on Complex Medical Engineering (ICME 2014). Taipei, Taiwan 26 - 29 Jun 2014 Piscataway, NJ. United States.

The value and cost of complexity in predictive modelling: role of tissue anisotropic conductivity and fibre tracts in neuromodulation

Shahid, Syed Salman, Bikson, Marom, Salman, Humaira, Wen, Peng and Ahfock, Tony. 2014. "The value and cost of complexity in predictive modelling: role of tissue anisotropic conductivity and fibre tracts in neuromodulation." Journal of Neural Engineering. 11 (3), pp. 1-19. https://doi.org/10.1088/1741-2560/11/3/036002

Assessment of electric field distribution in anisotropic cortical and subcortical regions under the influence of tDCS

Shahid, Salman, Wen, Peng and Ahfock, Tony. 2014. "Assessment of electric field distribution in anisotropic cortical and subcortical regions under the influence of tDCS." Bioelectromagnetics. 35 (1), pp. 41-57. https://doi.org/10.1002/bem.21814

Extending SWER line capacity

Helwig, Andreas and Ahfock, Tony. 2013. "Extending SWER line capacity." 23rd Australasian Universities Power Engineering Conference (AUPEC 2013). Hobart, Australia 29 Sep - 03 Oct 2013 Piscataway, NJ. United States. https://doi.org/10.1109/AUPEC.2013.6725427

Long-life nickel iron battery functionality/cost comparison for peak demand SWER network voltage support application

Helwig, Andreas and Ahfock, Tony. 2013. "Long-life nickel iron battery functionality/cost comparison for peak demand SWER network voltage support application." 23rd Australasian Universities Power Engineering Conference (AUPEC 2013). Hobart, Australia 29 Sep - 03 Oct 2013 Piscataway, NJ. United States. https://doi.org/10.1109/AUPEC.2013.6725377

Evaluation of neutral voltages in arc suppression coil systems

Burgess, R. and Ahfock, A.. 2013. "Evaluation of neutral voltages in arc suppression coil systems." Australian Journal of Electrical and Electronics Engineering. 10 (1), pp. 127-136. https://doi.org/10.7158/1448837X.2013.11464362

Numerical investigation of white matter anisotropic conductivity in defining current distribution under tDCS

Shahid, Salman, Wen, Peng and Ahfock, Tony. 2013. "Numerical investigation of white matter anisotropic conductivity in defining current distribution under tDCS." Computer Methods and Programs in Biomedicine. 109 (1), pp. 48-64. https://doi.org/10.1016/j.cmpb.2012.09.001

Effects of model complexity and tissue anisotropic conductivity on cortical modulation during transcranial direct current stimulation

Shahid, S., Wen, P. and Ahfock, T.. 2012. "Effects of model complexity and tissue anisotropic conductivity on cortical modulation during transcranial direct current stimulation." IET Science, Measurement and Technology. 6 (6), pp. 464-473. https://doi.org/10.1049/iet-smt.2012.0014

The use of voltage regulators in power systems with arc-suppression coils

Burgess, R. and Ahfock, A.. 2011. "The use of voltage regulators in power systems with arc-suppression coils." AUPEC 2011: Integrating Renewables into the Grid. Brisbane, Australia 25 - 28 Sep 2011 Piscataway, NJ. United States.

Effects of head geometry, coil position and CSF displacement on field distribution under transcranial magnetic stimulation

Shahid, Salman, Wen, Peng, Ahfock, Tony and Leis, John. 2011. "Effects of head geometry, coil position and CSF displacement on field distribution under transcranial magnetic stimulation." Journal of Medical Imaging and Health Informatics. 1 (3), pp. 271-277. https://doi.org/10.1166/jmihi.2011.1040

Sizing nickel iron batteries for RAPS systems

Helwig, A. and Ahfock, A.. 2011. "Sizing nickel iron batteries for RAPS systems." 2011 IET Renewable Power Generation Conference (RPG 2011) . Edinburgh, United Kingdom 06 - 08 Sep 2011 Stevenage, Herts. United Kingdom. https://doi.org/10.1049/cp.2011.0148

Minimising the risk of cross-country faults in systems using arc suppression coils

Burgess, R. and Ahfock, A.. 2011. "Minimising the risk of cross-country faults in systems using arc suppression coils." IET Generation, Transmission and Distribution. 5 (7), pp. 703-711. https://doi.org/10.1049/iet-gtd.2010.0351

Remote access laboratories in Australia and Europe

Ku, H., Ahfock, T. and Yusaf, T.. 2011. "Remote access laboratories in Australia and Europe." European Journal of Engineering Education. 36 (3), pp. 253-268. https://doi.org/10.1080/03043797.2011.578244

Effect of fat and muscle tissue conductivity on cortical currents - a tDCS study

Shahid, Salman, Wen, Peng and Ahfock, Tony. 2011. "Effect of fat and muscle tissue conductivity on cortical currents - a tDCS study." Guo, Shuxiang, Touge, Tetsuo and Xiufen, Ye (ed.) 2011 IEEE/ICME International Conference on Complex Medical Engineering (ICME 2011). Harbin, China 22 - 25 May 2011 Piscataway, NJ. United States. https://doi.org/10.1109/ICCME.2011.5876735

Effects of head geometry and coil position on field distribution under transcranial magnetic stimulation

Shahid, Salman, Wen, Peng, Ahfock, Tony and Leis, John. 2011. "Effects of head geometry and coil position on field distribution under transcranial magnetic stimulation." MECBME 2011: Connecting Professionals in Biomedical Sciences and Technology. Sharjah, United Arab Emirates 21 - 24 Feb 2011 Red Hook, NY. United States. https://doi.org/10.1109/MECBME.2011.5752158

Flexible engineering degree programs with remote access laboratories in an Australian regional university known for its excellence in e-learning

Ku, H., Goh, S. and Ahfock, A.. 2011. "Flexible engineering degree programs with remote access laboratories in an Australian regional university known for its excellence in e-learning." Computer Applications in Engineering Education. 19 (1), pp. 18-25. https://doi.org/10.1002/cae.20284

Stator eddy-current losses in printed circuit brushless motors

Ahfock, A. and Gambetta, D.. 2011. "Stator eddy-current losses in printed circuit brushless motors." IET Electric Power Applications. 5 (1), pp. 159-167. https://doi.org/10.1049/iet-epa.2009.0203

Dynamic analysis of a DC offset controller for grid-connected inverters

Bowtell, L. A. and Ahfock, A. L.. 2010. "Dynamic analysis of a DC offset controller for grid-connected inverters." Duke, Richard (ed.) AUPEC 2010: Power Quality for the 21st Century. Christchurch, New Zealand 05 - 08 Dec 2010 United States.

The use of arc-suppression coils in power systems with open-delta regulators

Burgess, R. and Ahfock, A.. 2010. "The use of arc-suppression coils in power systems with open-delta regulators." Duke, Richard (ed.) AUPEC 2010: Power Quality for the 21st Century. Christchurch, New Zealand 05 - 08 Dec 2010 Christchurch, New Zealand.

Direct current offset controller for transformerless single-phase photovoltaic grid-connected inverters

Bowtell, L. and Ahfock, A.. 2010. "Direct current offset controller for transformerless single-phase photovoltaic grid-connected inverters." IET Renewable Power Generation. 4 (5), pp. 428-437. https://doi.org/10.1049/iet-rpg.2009.0043

Sensorless commutation of printed circuit brushless direct current motors

Ahfock, A. and Gambetta, D.. 2010. "Sensorless commutation of printed circuit brushless direct current motors ." IET Electric Power Applications. 4 (6), pp. 397-406. https://doi.org/10.1049/iet-epa.2009.0133

Designing printed circuit stators for brushless permanent magnet motors

Gambetta, D. and Ahfock, A.. 2009. "Designing printed circuit stators for brushless permanent magnet motors." IET Electric Power Applications. 3 (5), pp. 482-490. https://doi.org/10.1049/iet-epa.2008.0199

Ultra-capacitor assisted battery storage for remote area power supplies: a case study

Helwig, Andreas and Ahfock, Tony L.. 2009. "Ultra-capacitor assisted battery storage for remote area power supplies: a case study." Ertugrul, Nesimi (ed.) AUPEC 2009: Sustainable Energy Technologies and Systems. Adelaide, Australia 27 - 30 Sep 2009 Adelaide, Australia.

A new sensorless commutation technique for brushless DC motors

Gambetta, D. and Ahfock, A.. 2009. "A new sensorless commutation technique for brushless DC motors." IET Electric Power Applications. 3 (1), pp. 40-49. https://doi.org/10.1049/iet-epa:20070517

Infrastructure for remotely accessible laboratories at the University of Southern Queensland

Ahfock, Tony, Buttsworth, David, Phythian, Mark and Maxwell, Andrew. 2008. "Infrastructure for remotely accessible laboratories at the University of Southern Queensland." Mann, Llewellyn, Thompson, Adam and Howard, Prue (ed.) 19th Annual Conference of the Australasian Association for Engineering Education (AAEE 2008). Yeppoon, Australia 07 - 10 Dec 2008 Canberra, Australia.

Method and apparatus for measuring electrical conductivity

Hancock, Nigel H., Maxwell, Andrew D. and Ahfock, Tony L.. 2008. Method and apparatus for measuring electrical conductivity. AG01N2702FI

Commercialisation of conductivity-based acidity measurement systems for dairy applications

Hancock, Nigel, Maxwell, Andrew and Ahfock, Tony. 2008. Commercialisation of conductivity-based acidity measurement systems for dairy applications. Toowoomba. University of Southern Queensland.

Comparison between unipolar and bipolar single phase grid-connected inverters for PV applications

Bowtell, Les and Ahfock, Tony. 2007. "Comparison between unipolar and bipolar single phase grid-connected inverters for PV applications." AUPEC 2007: 17th Australasian Universities Power Engineering Conference. Perth, Australia 09 - 12 Dec 2007 Australia. https://doi.org/10.1109/AUPEC.2007.4548098

A practical demonstration of electromagnetic braking

Ahfock, T. and Wells, C. G.. 2007. "A practical demonstration of electromagnetic braking." AUPEC 2007: 17th Australasian Universities Power Engineering Conference. Perth, Australia 09 - 12 Dec 2007 Perth, Australia. https://doi.org/10.1109/AUPEC.2007.4548077

DC offset elimination in a single-phase grid-connected photovoltaic system

Ahfock, Tony L. and Bowtell, Leslie. 2006. "DC offset elimination in a single-phase grid-connected photovoltaic system." AUPEC 2006: 16th Australasian Universities Power Engineering Conference. Melbourne, Australia 10 - 13 Dec 2006 Melbourne, Australia.

DC magnetisation of transformers

Ahfock, A. and Hewitt, A. J.. 2006. "DC magnetisation of transformers." IET Electric Power Applications. 153 (4), pp. 601-607.

Internationalisation of Technology and Society course at University of Southern Queensland

Thorpe, David and Ahfock, Tony. 2005. "Internationalisation of Technology and Society course at University of Southern Queensland." Radcliffe, David and Humphries, Josh (ed.) 4th ASEE/AaeE Global Colloquium on Engineering Education. Sydney, Australia 26 - 29 Sep 2005 Brisbane, Australia.

Curvature-related eddy-current losses in laminated axial flux machine cores

Ahfock, Tony L. and Hewitt, Andrew. 2005. "Curvature-related eddy-current losses in laminated axial flux machine cores." IET Electric Power Applications. 152 (5), pp. 1350-1358. https://doi.org/10.1049/ip-erp:20045280

Modeling of the solid rotor induction motor

Ahfock, Tony L. and Hewitt, Andrew. 2005. "Modeling of the solid rotor induction motor." Negnevitsky, Michael (ed.) AUPEC 2005: 15th Australasian Universities Power Engineering Conference. Hobart, Australia 25 - 28 Sep 2005 Hobart, Australia.

Sub-domain scaling for finite element analysis of electrical machines

Hewitt, Andrew and Ahfock, Tony L.. 2005. "Sub-domain scaling for finite element analysis of electrical machines." IET Electric Power Applications. 152 (2), pp. 149-156. https://doi.org/10.1049/ip-epa:20055078

Method and apparatus for measuring electrical conductivity

Hancock, Nigel Harold, Maxwell, Andrew Douglas and Ah Fock, Antonio Louis. 2005. Method and apparatus for measuring electrical conductivity. 2005205611

Acidity measurement systems for dairy applications

Hancock, Nigel, Maxwell, Andrew and Ahfock, Tony. 2005. Acidity measurement systems for dairy applications . USQ - Toowoomba. University of Southern Queensland / Dairy Australia.

Magnetic flux density distribution in axial flux machine cores

Hewitt, Andrew, Ahfock, Tony L. and Suslov, Sergey A.. 2005. "Magnetic flux density distribution in axial flux machine cores." IET Electric Power Applications. 152 (2), pp. 192-196. https://doi.org/10.1049/ip-epa:20055039

Distortion in single phase current controlled PV inverters for grid connection

Sharma, Ronald and Ahfock, Tony L.. 2004. "Distortion in single phase current controlled PV inverters for grid connection ." Saha, T. K. and Walker, G. R. (ed.) AUPEC 2004: Challenges and Opportunities in the Deregulated Power Industry. Brisbane, Australia 26 - 29 Sep 2004 Brisbane, Australia.

A pulsed LED system for schlieren flow visualisation

Buttsworth, David R. and Ahfock, Tony L.. 2003. A pulsed LED system for schlieren flow visualisation. Toowoomba, Australia. University of Southern Queensland.