Dr Jubaer Ahmed's Outputs (50)

Analysing wind power penetration in hybrid energy systems based on techno-economic assessments (2022)
Journal Article
Wimalaratna, Y. P., Afrouzi, H. N., Mehranzamir, K., Siddique, M. B. M., Liew, S. C., & Ahmed, J. (2022). Analysing wind power penetration in hybrid energy systems based on techno-economic assessments. Sustainable Energy Technologies and Assessments, 53(B), Article 102538. https://doi.org/10.1016/j.seta.2022.102538

Wind is an environmentally friendly energy source that can be harnessed as an on-shore and off-shore resource. Wind energy, combined with other renewable energy systems, has resulted in a more reliable, feasible, and efficient stand-alone system, kno... Read More about Analysing wind power penetration in hybrid energy systems based on techno-economic assessments.

A comprehensive scientometric analysis on hybrid renewable energy systems in developing regions of the world (2022)
Journal Article
Sohail, M., Afrouzi, H. N., Mehranzamir, K., Ahmed, J., Mobin Siddique, M. B., & Tabassum, M. (2022). A comprehensive scientometric analysis on hybrid renewable energy systems in developing regions of the world. Results in Engineering, 16, Article 100481. https://doi.org/10.1016/j.rineng.2022.100481

Energy crises, increasing electricity prices, and having no access to the grid electricity are the leading issues in developing countries of Asia, the Middle East, and Sub-Saharan Africa. Developing hybrid renewable energy systems in off-grid or grid... Read More about A comprehensive scientometric analysis on hybrid renewable energy systems in developing regions of the world.

Scenario-based investigation on the effect of partial shading condition patterns for different static solar photovoltaic array configurations (2021)
Journal Article
Nazer, M. N. R., Noorwali, A., Tajuddin, M. F. N., Khan, M. Z., Tazally, M. A. I. A., Ahmed, J., Babu, T. S., Ghazali, N. H., Chakraborty, C., & Kumar, N. M. (2021). Scenario-based investigation on the effect of partial shading condition patterns for different static solar photovoltaic array configurations. IEEE Access, 9, 116050-116072. https://doi.org/10.1109/ACCESS.2021.3105045

This paper presents an in-depth analysis and investigation on the performance of static photovoltaic (PV) array configurations subjected to various partial shading conditions (PSCs). Under PSCs, the electrical characteristics of the PV modules are cr... Read More about Scenario-based investigation on the effect of partial shading condition patterns for different static solar photovoltaic array configurations.

A skipping adaptive P&O MPPT for fast and efficient tracking under partial shading in PV arrays (2021)
Journal Article
Ahmed, J., Salam, Z., Kermadi, M., Afrouzi, H. N., & Ashique, R. H. (2021). A skipping adaptive P&O MPPT for fast and efficient tracking under partial shading in PV arrays. International Transactions on Electrical Energy Systems, 31(9), Article e13017. https://doi.org/10.1002/2050-7038.13017

This work presents a new Maximum Power Point Tracking (MPPT) scheme which predicts the local peak positions precisely and tracks the global peak under partial shading effectively. In addition to that, a skipping mechanism is integrated into it, which... Read More about A skipping adaptive P&O MPPT for fast and efficient tracking under partial shading in PV arrays.

Sizing and economic analysis of stand-alone hybrid photovoltaic-wind system for rural electrification: A case study Lundu, Sarawak (2021)
Journal Article
Afrouzi, H. N., Hassan, A., Wimalaratna, Y. P., Ahmed, J., Mehranzamir, K., Liew, S. C., & Malek, Z. A. (2021). Sizing and economic analysis of stand-alone hybrid photovoltaic-wind system for rural electrification: A case study Lundu, Sarawak. Cleaner Engineering and Technology, 4, Article 100191. https://doi.org/10.1016/j.clet.2021.100191

Energy Consumption has been increasing at an alarming rate due to the growing energy need. More and more non-renewable sources are harvested to fulfill the energy demand resulting in and rising environmental health issues. However, harvesting Solar a... Read More about Sizing and economic analysis of stand-alone hybrid photovoltaic-wind system for rural electrification: A case study Lundu, Sarawak.

Review on the Potential of a Tidal Energy Harnessing System in Malaysia (2021)
Book Chapter
Prashanth, P. H., Afrouzi, H. N., Wooi, C.-L., Mehranzamir, K., Liew, S. C., & Ahmed, J. (2021). Review on the Potential of a Tidal Energy Harnessing System in Malaysia. In M. Syahril Bahari, A. Harun, Z. Zainal Abidin, R. Hamidon, & S. Zakaria (Eds.), Intelligent Manufacturing and Mechatronics: Proceedings of SympoSIMM 2020 (103-111). Springer. https://doi.org/10.1007/978-981-16-0866-7_8

Tidal Energy is one the most prominent and promising renewable energy sources due to its consistency in electricity generation. Malaysia, being a country with its vast resources is persistently affecting its research towards the transition of using c... Read More about Review on the Potential of a Tidal Energy Harnessing System in Malaysia.

An Analysis and Modeling of the Class-E Inverter for ZVS/ZVDS at Any Duty Ratio with High Input Ripple Current (2021)
Journal Article
Ashique, R. H., Shihavuddin, A., Khan, M. M., Islam, A., Ahmed, J., Arif, M. S. B., Maruf, M. H., Mansur, A. A., & Siddiquee, A. (2021). An Analysis and Modeling of the Class-E Inverter for ZVS/ZVDS at Any Duty Ratio with High Input Ripple Current. Electronics, 10(11), Article 1312. https://doi.org/10.3390/electronics10111312

This paper presents an analysis and modeling of the class-E inverter for ZVS/ZVDS execution at any duty ratio. The methodology is to determine the input current to the inverter analytically under the assumption that it always remains positive. The la... Read More about An Analysis and Modeling of the Class-E Inverter for ZVS/ZVDS at Any Duty Ratio with High Input Ripple Current.

Techno‐economic analysis of direct combustion and gasification systems for off‐grid energy supply: A case for organic rankine cycle and dual fluidized‐bed (2021)
Journal Article
Bagherian, M. A., Mehranzamir, K., Ahmed, J., Nafea, M., Nabipour‐Afrouzi, H., Wooi, C., Beiranvand Pour, A., Rezania, S., & Alizadeh, S. M. (2021). Techno‐economic analysis of direct combustion and gasification systems for off‐grid energy supply: A case for organic rankine cycle and dual fluidized‐bed. IET Renewable Power Generation, 15(12), 2596-2614. https://doi.org/10.1049/rpg2.12196

Biomass is one of the most versatile sustainable energy sources. This versatility allows utilization of different biomass feedstock using a verity of conversion techniques. Often, a biomass-to-bioenergy conversion method is selected depending on the... Read More about Techno‐economic analysis of direct combustion and gasification systems for off‐grid energy supply: A case for organic rankine cycle and dual fluidized‐bed.

A Comprehensive Review on the Application of Bioethanol/Biodiesel in Direct Injection Engines and Consequential Environmental Impact (2021)
Journal Article
Siddique, M. B. M., Khairuddin, N., Ali, N. A., Hassan, M. A., Ahmed, J., Kasem, S., Tabassum, M., & Afrouzi, H. N. (2021). A Comprehensive Review on the Application of Bioethanol/Biodiesel in Direct Injection Engines and Consequential Environmental Impact. Cleaner Engineering and Technology, 3, https://doi.org/10.1016/j.clet.2021.100092

Bioethanol/biodiesel are deemed a highly suitable alternative to conventional fuels in the near future due to their versatility in production techniques and operability. This paper examines the engine performance and possible scope of improvement in... Read More about A Comprehensive Review on the Application of Bioethanol/Biodiesel in Direct Injection Engines and Consequential Environmental Impact.

A Comprehensive Review on Available/Existing Renewable Energy Systems in Malaysia and Comparison of Their Capability of Electricity Generation in Malaysia (2021)
Book Chapter
Afrouzi, H. N., Wimalaratna, Y. P., Ahmed, J., Mehranzamir, K., Liew, S. C., Wooi, C.-L., & Siddiquea, B. M. (2021). A Comprehensive Review on Available/Existing Renewable Energy Systems in Malaysia and Comparison of Their Capability of Electricity Generation in Malaysia. In L.-S. Wang, W. Cao, & S.-B. Hu (Eds.), Entropy and Exergy in Renewable Energy. InTech. https://doi.org/10.5772/intechopen.96586

Malaysia is one of the fastest emerging and developing countries in the world. To drive the economical workhorse, large amounts of power is required. The power demand has risen to 156,003 GWh per year in the year 2016, almost 30,000 GWh more than 5 y... Read More about A Comprehensive Review on Available/Existing Renewable Energy Systems in Malaysia and Comparison of Their Capability of Electricity Generation in Malaysia.

Basic Home Automation Using Smart Sockets with Power Management (2021)
Journal Article
Ahmed, J., Then, Y. L., Asif, N., & Kashem, S. (2021). Basic Home Automation Using Smart Sockets with Power Management. International Journal of Integrated Engineering, 13(2), 99-108

The power generated in today’s time is dominated using fossil fuels that may get exhausted within the coming decades. Monitoring and management of the energy consumption hold a prime standing due to the discrepancy between power demand and production... Read More about Basic Home Automation Using Smart Sockets with Power Management.

An effective salp swarm based MPPT for photovoltaic systems under dynamic and partial shading conditions (2021)
Journal Article
Jamaludin, M. N. I., Tajuddin, M. F. N., Ahmed, J., Azmi, A., Azmi, S. A., Ghazali, N. H., Babu, T. S., & Alhelou, H. H. (2021). An effective salp swarm based MPPT for photovoltaic systems under dynamic and partial shading conditions. IEEE Access, 9, 34570-34589. https://doi.org/10.1109/ACCESS.2021.3060431

This study proposes a duty cycle-based direct search method that capitalizes on a bioinspired optimization algorithm known as the salp swarm algorithm (SSA). The goal is to improve the tracking capability of the maximum power point (MPP) controller f... Read More about An effective salp swarm based MPPT for photovoltaic systems under dynamic and partial shading conditions.

A comprehensive investigation of suitable biomass raw materials and biomass conversion technology in Sarawak, Malaysia (2020)
Journal Article
Kashem, S. B. A., Chowdhury, M., Khandakar, A., Tabassum, M., Ashraf, A., & Ahmed, J. (2020). A comprehensive investigation of suitable biomass raw materials and biomass conversion technology in Sarawak, Malaysia. International Journal of Technology, 1(2), 75-105

Nowadays, reducing pollution, saving mother Earth had become everyone’s responsibility. However, the great improvement in technologies leads to large energy demands. Many countries have tried to find renewable energy as their alternative energy sourc... Read More about A comprehensive investigation of suitable biomass raw materials and biomass conversion technology in Sarawak, Malaysia.

Wind Power Integration with Smart Grid and Storage System: Prospects and Limitations (2020)
Journal Article
Kashem, S. B. A., Chowdhury, M. E., Khandakar, A., Ahmed, J., Ashraf, A., & Shabrin, N. (2020). Wind Power Integration with Smart Grid and Storage System: Prospects and Limitations. International Journal of Advanced Computer Science and Applications, 11(5), https://doi.org/10.14569/IJACSA.2020.0110570

Wind power generation is playing a pivotal role in adopting renewable energy sources in many countries. Over the past decades, we have seen steady growth in wind power generation throughout the world. This article aims to summarize the operation, con... Read More about Wind Power Integration with Smart Grid and Storage System: Prospects and Limitations.

Recent developments of MPPT techniques for PV systems under partial shading conditions: a critical review and performance evaluation (2020)
Journal Article
Kermadi, M., Salam, Z., Eltamaly, A. M., Ahmed, J., Mekhilef, S., Larbes, C., & Berkouk, E. M. (2020). Recent developments of MPPT techniques for PV systems under partial shading conditions: a critical review and performance evaluation. IET Renewable Power Generation, 14(17), 3401-3417. https://doi.org/10.1049/iet-rpg.2020.0454

This review covers global maximum power point tracking (GMPPT) methods for photovoltaic (PV) systems under partial shading conditions. Unlike the previous review works that primarily focused on soft computing and hybrid GMPPT, this study gives exclus... Read More about Recent developments of MPPT techniques for PV systems under partial shading conditions: a critical review and performance evaluation.

An Investigation of Passive Cooling in a Building in Malaysia (2020)
Journal Article
Kashem, S. B. A., Chowdhury, M., Khandakar, A., Tabassum, M., Ashraf, A., & Ahmed, J. (2020). An Investigation of Passive Cooling in a Building in Malaysia. International Journal of Technology, 1(2), 4-27

In hot humid countries like Malaysia, a comfortably thermal environment is what people look for. To achieve such conditions, a technique called passive cooling must be the optimal choice. Many other techniques have been investigated over the years an... Read More about An Investigation of Passive Cooling in a Building in Malaysia.

Feasibility, Sizing and Economic Analysis of Solar Energy System for Green Swinburne Campus (2020)
Presentation / Conference Contribution
Riphque, M. A., Nabipour-Afrouzi, H., Wooi, C.-L., Liew, S., Mehranzamir, K., & Ahmed, J. (2020, October). Feasibility, Sizing and Economic Analysis of Solar Energy System for Green Swinburne Campus. Presented at 2020 13th International UNIMAS Engineering Conference (EnCon), Kota Samarahan, Malaysia

In 2011 alone, Malaysia has spent a hefty RM14.5 billion in buying fossil fuels to generate electricity. With the cost of fossil fuels rising each year, the nation is looking to rely on more sustainable energy sources. One way to decrease the relianc... Read More about Feasibility, Sizing and Economic Analysis of Solar Energy System for Green Swinburne Campus.

Development of biomass-fueled cogeneration systems for off-grid electrification (2020)
Presentation / Conference Contribution
Bagherian, M. A., Mehranzamir, K., Ahmed, J., Nafea, M., Nabipour-Afrouzi, H., & Wooi, C.-L. (2020, September). Development of biomass-fueled cogeneration systems for off-grid electrification. Presented at 2020 2nd International Conference on Smart Power & Internet Energy Systems (SPIES), Bangkok, Thailand

Over the past centuries, discovery and utilization of fossil fuels has revolutionized the world pushing societies towards modernization. This source of energy that is being referred as black gold, has faced extensive consumption which consequently st... Read More about Development of biomass-fueled cogeneration systems for off-grid electrification.

Experimental Analysis of Gravity and Buoyancy Powered Energy Generation Storage Systems (2020)
Book Chapter
Kashem, S. B. A., Ngambi, D. T., Ahmed, J., Qidwai, U., & Suresh, P. (2020). Experimental Analysis of Gravity and Buoyancy Powered Energy Generation Storage Systems. In P. Suresh, U. Saravanakumar, & M. S. H. Al Salameh (Eds.), Advances in Smart System Technologies: Select Proceedings of ICFSST 2019 (813-826). Springer. https://doi.org/10.1007/978-981-15-5029-4_70

The concept of harnessing energy from buoyancy as well as the ability to have underwater energy storage is an area of research that, compared to other renewable energy generation techniques, is relatively unexplored. This study presents an experiment... Read More about Experimental Analysis of Gravity and Buoyancy Powered Energy Generation Storage Systems.

Autonomous Vehicle Sunshade Using Aluminum Panels (2020)
Book Chapter
Kashem, S. B. A., Shahid, F., Qidwai, U., Suresh, P., Ahmed, J., & Saravanakumar, U. (2020). Autonomous Vehicle Sunshade Using Aluminum Panels. In P. Suresh, U. Saravanakumar, & M. S. H. Al Salameh (Eds.), Advances in Smart System Technologies: Select Proceedings of ICFSST 2019 (679-688). Springer. https://doi.org/10.1007/978-981-15-5029-4_56

The heat build-up inside of a vehicle cabin due to the direct composure of thermal energy when parked outside during the day can be a huge dilemma, the intensity of the problem can be decreased by covering the windows of the automobile, but drivers a... Read More about Autonomous Vehicle Sunshade Using Aluminum Panels.