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

Paper

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

Paper/Presentation Title	Modeling of multi-junction solar cells for maximum power point tracking to improve the conversion efficiency
Presentation Type	Paper
Authors	Wang, Zhe (Author), Das, Narottam (Author), Helwig, Andreas (Author) and Ahfock, Tony (Author)
Journal or Proceedings Title	Proceedings of the 2017 Australiasian Universities Power Engineering Conference (AUPEC 2017)
ERA Conference ID	50279
Number of Pages	6
Year	2018
Place of Publication	New York, United States
ISBN	9781538626481
Digital Object Identifier (DOI)	https://doi.org/10.1109/AUPEC.2017.8282402
Web Address (URL) of Paper	http://ieeexplore.ieee.org/document/8282402/
Conference/Event	2017 Australasian Universities Power Engineering Conference (AUPEC 2017)
	Australasian Universities Power Engineering Conference
Event Details	2017 Australasian Universities Power Engineering Conference (AUPEC 2017) Event Date 19 to end of 22 Nov 2017 Event Location Melbourne, Australia
Event Details	Australasian Universities Power Engineering Conference AUPEC
Abstract	This paper presents the basic principles of solar cells/ panels and explores its different models, such as single and double diode models. The main purpose of this research is to confirm that the principle of multi-junction solar cell (MJSC) operation to improve the conversion efficiency. To perform this simulation, single and double diode models have been developed. The process was ultimately utilized to find the influence of irradiance and temperature in electricity generation. In addition, the ideality factor and the impact of resistance on conversion efficiency also have been investigated. Maximum power point tracking (MPPT) method was used and optimized to improve the MJSCs performance for conversion efficiency improvement. The I-V and P-V curves show that double diode model produced more accurate results than the single diode model. The MJSCs expand the band gap and reduce the temperature influence in simulation to increase the energy conversion efficiency using the optimized MPPT method.
Keywords	junctions, maximum power point trackers, integrated circuit modeling, photovoltaic cells, photonic band gap, equivalent circuits
ANZSRC Field of Research 2020	400999. Electronics, sensors and digital hardware not elsewhere classified
Public Notes	Files associated with this item cannot be displayed due to copyright restrictions.
Byline Affiliations	School of Mechanical and Electrical Engineering
Institution of Origin	University of Southern Queensland

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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

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

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

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

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

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

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

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

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

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

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

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

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

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

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.

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

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.

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

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 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

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

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

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

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.

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.

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.

DC magnetisation of transformers

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

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.