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Dr Percy Hohne

Dr Percy Hohne

NRF RATING	Y2
POSITION	Senior Lecturer
QUALIFICATIONS	D.Eng: Electrical Engineering M.Eng: Electrical Engineering B.Tech: Electrical Engineering
PORTFOLIO	Dr Percy Andrew Hohne is a Senior Lecturer in the Department of Electrical Engineering at the CUT, with nine years of experience in higher education, research, and curriculum development. He holds a Doctorate in Electrical Engineering and is a Y2-rated researcher by the National Research Foundation (NRF), a recognition that affirms his growing international profile and impactful scholarly output. His research focuses on sustainable energy management, energy efficiency, and renewable energy systems—fields in which rigorous methodological approaches are imperative. Dr Hohne’s teaching responsibilities include foundational and advanced electrical engineering modules. These are complemented by his role in research and project management within the university, particularly involving energy efficiency audits and collaborations with industry. He also contributes actively to the broader academic community through journal and conference paper reviews and has received multiple awards for excellence in teaching and research, including the Vice-Chancellor’s Awards for Early Career Research (2023) and Teaching and Learning (2022).
AREAS OF EXPERTISE	Energy management and Renewable energy systems
PUBLICATIONS	Accredited Journal publications 1. Hohne, P. A., K. Kusakana, and B. P. Numbi. "Operation Cost Minimisation of Hybrid Solar/Electrical Water Heating Systems: Model Development." Advanced Science Letters 24, no. 11 (2018): 8076-8080. 2. Hohne, P. A., K. Kusakana, and B. P. Numbi. "Scheduling and economic analysis of hybrid solar water heating system based on timer and optimal control." Journal of Energy Storage 20 (2018): 16-29. 3. Hohne, P. A., K. Kusakana, and B. P. Numbi. "A review of water heating technologies: An application to the South African context." Energy Reports 5 (2019): 1-19. 4. Hohne, P. A., K. Kusakana, and B. P. Numbi. "Optimal energy management and economic analysis of a grid- connected hybrid solar water heating system: A case of Bloemfontein, South Africa." Sustainable Energy Technologies and Assessments 31 (2019): 273-291. 5. Hohne, Percy Andrew, Kanzumba Kusakana, and Bubele Papy Numbi. "Improving Energy Efficiency of Thermal Processes in Healthcare Institutions: A Review on the Latest Sustainable Energy Management Strategies." Energies 13, no. 3 (2020): 569. 6. Hohne, P. A., K. Kusakana, and B. P. Numbi. "Model validation and economic dispatch of a dual axis pv tracking system connected to energy storage with grid connection: A case of a healthcare institution in South Africa." Journal of Energy Storage 32 (2020): 101986. 7. P.A. Hohne, K. Kusakana, B.P. Numbi “Model development and validation of a Dual-Axis PV Tracking System: A Case of South Africa” International Journal of Electrical and Electronic Engineering & Telecommunications (2021). 8. Gaonwe, T. P., P. A. Hohne, and K. Kusakana. "Optimal energy management of a solar-assisted heat pump water heating system with a storage system." Journal of Energy Storage 56 (2022): 105885. 9. Moji, L. P., P. A. Hohne, K. Kusakana, and B. P. Numbi. "Optimal operation of a hybrid multisource energy system considering grid load shedding." Energy Reports 8 (2022): 151-161. 10. Gaonwe, Tsholofelo Priscilla, Kanzumba Kusakana, and Percy Andrew Hohne. "A review of solar and air-source renewable water heating systems, under the energy management scheme." Energy Reports 8 (2022): 1-10. 11. Hohne, P. A. "A simplified control method for a water heating load coupled to a hybrid energy system to improve inverter longevity." Energy Reports 9 (2023): 145-150. 12. Odufuwa, O. Y., L. K. Tartibu, K. Kusakana, P. A. Hohne, and B. P. Numbi. "Application of artificial neural networks in predicting the performance of ice thermal energy storage systems." Journal of Energy Storage 95 (2024): 112547. 13. Mooko, G. T. V., P. A. Hohne, and K. Kusakana. "Enhancing photovoltaic operation system efficiency and cost-effectiveness through optimal control of thermoelectric cooling." Solar Energy Materials and Solar Cells 273 (2024): 112937. 14. Bokopane, Lindiwe, Kanzumba Kusakana, Herman Vermaak, and Andrew Hohne. "Optimal power dispatching for a grid-connected electric vehicle charging station microgrid with renewable energy, battery storage and peer-to-peer energy sharing." Journal of Energy Storage 96 (2024): 112435.
PRESENTED CONFERENCES, SEMINARS, WORKSHOPS	Refereed conference proceedings 1. Hohne, P.A. and K. Kusakana "A SURVEY OF DOMESTIC WATER HEATING TECHNOLOGIES." Conference: Proceedings of the 25th Southern African Universities Power Engineering Conference, At Stellenbosch, 2017. 2. Hohne, P. A., K. Kusakana, and B. P. Numbi. "Techno-economic Comparison of Timer and Optimal Switching Control applied to Hybrid Solar Electric Water Heaters." In 2018 International Conference on the Industrial and Commercial Use of Energy (ICUE), pp. 1-6. IEEE, 2018. 3. Hohne, P. A., K. Kusakana, and B. P. Numbi. "Operation cost and energy usage minimization of a hybrid solar/electrical water heating system." In 2018 International Conference on the Domestic Use of Energy (DUE), pp. 1-7. IEEE, 2018. 4. Hohne, Percy A., Kanzumba Kusakana, and Bubele P. Numbi. "Optimal Energy Management and Economic Analysis of a Grid-Connected Hybrid Solar Water Heating System in Bloemfontein." In 2018 IEEE PES/IAS PowerAfrica, pp. 515-520. IEEE, 2018. 5. Hohne, Percy Andrew, Kanzumba Kusakana, and Bubele P. Numbi. "Economic Power Dispatch for Energy Cost Reduction of a Hybrid Energy System Considering Maximum Demand Charges and Time-based Pricing in a Healthcare Institution." In 2020 6th IEEE International Energy Conference (ENERGYCon), pp. 395-400. IEEE. 6. Gaonwe, T. P., K. Kusakana, and P. A. Hohne. "Walk-through Energy Audit and Savings opportunities: Case of Water Heaters at CUT Residential Buildings." In 2019 Open Innovations (OI), pp. 434-439. IEEE, 2019. 7. Gaonwe, T. P., K. Kusakana, and P. A. Hohne. "Prospect of Solar-assisted Heat Pump Water Heating Systems for Student Residences." In 2019 Open Innovations (OI), pp. 199-205. IEEE, 2019. 8. Conduah, Joseph Eminsang, Kanzumba Kusakana, and Percy Andrew Hohne. "Energy Monitoring for Potential Cost Saving in Electricity Bills in a Microbrewery in South Africa." In AIUE Proceedings of the 18th Industrial and Commercial Use of Energy Conference. 2020. 9. Conduah, J., K. Kusakana, and P. A. Hohne. "Energy efficiency improvements in a microbrewery in South Africa." In 2019 Open Innovations (OI), pp. 132-137. IEEE, 2019.
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Dr Percy Hohne
Tel:
phohne@cut.ac.za