All Outputs (69)

An improved method to predict the position of maximum power point during partial shading for PV arrays (2015)
Journal Article
Ahmed, J., & Salam, Z. (2015). An improved method to predict the position of maximum power point during partial shading for PV arrays. IEEE Transactions on Industrial Informatics, 11(6), 1378-1387. https://doi.org/10.1109/TII.2015.2489579

For a photovoltaic (PV) system, it is widely assumed that the peaks of a partially shaded P-V curve are located at the multiples of 0.8V oc , where V oc is the open-circuit voltage of the PV module. However, this assumption - known as the of 0.8V oc... Read More about An improved method to predict the position of maximum power point during partial shading for PV arrays.

An adaptive P&O MPPT using a sectionalized piece-wise linear PV curve (2015)
Presentation / Conference Contribution
Ashique, R. H., Salam, Z., & Ahmed, J. (2015, October). An adaptive P&O MPPT using a sectionalized piece-wise linear PV curve. Presented at 2015 IEEE Conference on Energy Conversion (CENCON), Johor Bahru, Malaysia

This paper describes the adaptive perturb and observe (P&O) MPPT controller based on a sectionalized piece-wise linearization of the P-V curve. The algorithm divides the curve into three non-uniform sections, depending on the location of the maximum... Read More about An adaptive P&O MPPT using a sectionalized piece-wise linear PV curve.

An improved perturb and observe (P&O) maximum power point tracking (MPPT) algorithm for higher efficiency (2015)
Journal Article
Ahmed, J., & Salam, Z. (2015). An improved perturb and observe (P&O) maximum power point tracking (MPPT) algorithm for higher efficiency. Applied Energy, 150, 97-108. https://doi.org/10.1016/j.apenergy.2015.04.006

This paper proposes a method to improve the efficiency of the P&O maximum power point tracker (MPPT) by reducing the steady state oscillation and eliminating the possibility of the algorithm to lose its tracking direction. A dynamic perturbation step... Read More about An improved perturb and observe (P&O) maximum power point tracking (MPPT) algorithm for higher efficiency.

A critical evaluation on maximum power point tracking methods for partial shading in PV systems (2015)
Journal Article
Ahmed, J., & Salam, Z. (2015). A critical evaluation on maximum power point tracking methods for partial shading in PV systems. Renewable and Sustainable Energy Reviews, 47, 933-953. https://doi.org/10.1016/j.rser.2015.03.080

As photovoltaic (PV) system suffers considerable energy loss due to partial shading (PS), various approaches have been proposed to mitigate this problem. Among these, improving the maximum power point tracker (MPPT) algorithm seems to be the most fea... Read More about A critical evaluation on maximum power point tracking methods for partial shading in PV systems.

The application of soft computing techniques to improve the performance of maximum power point tracker for PV system during partial shading (2014)
Presentation / Conference Contribution
Salam, Z., & Ahmed, J. (2014, March). The application of soft computing techniques to improve the performance of maximum power point tracker for PV system during partial shading. Presented at 2014 IEEE 8th International Power Engineering and Optimization Conference (PEOCO2014), Langkawi, Malaysia

Partial shading is a phenomenon, whereby, certain spots of the photovoltaic (PV) array are shaded, while other parts are left uniformly irradiated. It is caused by the shadow that originates from the obstruction of tall building, chimney, tree, telec... Read More about The application of soft computing techniques to improve the performance of maximum power point tracker for PV system during partial shading.

A Maximum Power Point Tracking (MPPT) for PV system using Cuckoo Search with partial shading capability (2014)
Journal Article
Ahmed, J., & Salam, Z. (2014). A Maximum Power Point Tracking (MPPT) for PV system using Cuckoo Search with partial shading capability. Applied Energy, 119, 118-130. https://doi.org/10.1016/j.apenergy.2013.12.062

Objectives
This work proposes a Maximum Power Point Tracking (MPPT) for PV system using Cuckoo Search (CS) method.

Methods
It is acknowledged that CS exhibits several advantages which include fast convergence, higher efficiency using fewer tunin... Read More about A Maximum Power Point Tracking (MPPT) for PV system using Cuckoo Search with partial shading capability.

A soft computing MPPT for PV system based on Cuckoo Search algorithm (2013)
Presentation / Conference Contribution
Ahmed, J., & Salam, Z. (2013, May). A soft computing MPPT for PV system based on Cuckoo Search algorithm. Presented at 4th International Conference on Power Engineering, Energy and Electrical Drives, Istanbul, Turkey

This paper presents a novel approach to determine the maximum power point (MPP) in Photovoltaic (PV) System using the Cuckoo Search (CS) algorithm. In CS, three samples of voltage are generated randomly over the span of the PV voltage. Based on the L... Read More about A soft computing MPPT for PV system based on Cuckoo Search algorithm.

The application of soft computing methods for MPPT of PV system: A technological and status review (2013)
Journal Article
Salam, Z., Ahmed, J., & Merugu, B. S. (2013). The application of soft computing methods for MPPT of PV system: A technological and status review. Applied Energy, 107, 135-148. https://doi.org/10.1016/j.apenergy.2013.02.008

With the availability of powerful and low cost computing power, maximum power point tracking (MPPT) that utilizes soft computing (SC) techniques are attracting substantial interests from the PV communities. Due to their flexibility and ability to han... Read More about The application of soft computing methods for MPPT of PV system: A technological and status review.

Design of a Cost Effective Off-Grid Wind-Diesel Hybrid Power System in an Island of Bangladesh (2011)
Journal Article
Nahid-Al-Masood, Mirza, R., Ahmed, J., Abedin, A. H., Deeba, S., Hafiz, F., Begum, M., & Chowdhury, A. H. (2011). Design of a Cost Effective Off-Grid Wind-Diesel Hybrid Power System in an Island of Bangladesh. International Journal of Electrical and Computer Engineering, 5(12), 312-315

Bangladesh is a developing country with large population. Demand of electrical energy is increasing day by day because of increasing population and industrialization. But due to limited resources, people here are suffering from power crisis problem w... Read More about Design of a Cost Effective Off-Grid Wind-Diesel Hybrid Power System in an Island of Bangladesh.