Mohamad Shukor Abdul Rahim
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Preferred name
Mohamad Shukor Abdul Rahim
Official Name
Mohamad Shukor , Abdul Rahim
Alternative Name
Abd Rahim, Mohd Shukor
Rahim, M. S.Abdul
Rahim, Mohd Shukor Abdul
Main Affiliation
Scopus Author ID
57216323171
Researcher ID
GPS-6148-2022

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Power Generation Improvement using Active Water Cooling for Photovoltaic (PV) Panel

2021-01-01 , Mohamad Shukor Abdul Rahim , Mohammad Faridun Naim Tajuddin , Mohd Sazli Saad , Nalini C. , Edaris Z.L.B. , Hasanuzzaman M.

Photovoltaic (PV) cooling systems are commonly used to improve photovoltaic panels power generation and efficiency. Photovoltaic (PV) panels require irradiance to generate power, although increasing irradiance is often correlated with increasing temperature. These rapid increases of temperature in photovoltaic (PV) panels severely affect the power conversion operation. With a proper cooling process on its surface, a solar photovoltaic (PV) system can operate at a higher efficiency. This research aims to study the power improvement of active water-cooling on photovoltaic (PV) panels. A fixed minimum water flow of 5.80 l/min is sprayed onto the panel's front surface to reduce the temperature. The sprayed water created a thin water film and managed to reduce the temperature. Other than that, there is also reference photovoltaic (PV) panel, which is a panel without any cooling system. The outputs compared are the module temperature, maximum output power, open circuit voltage, and short circuit current. As the irradiance starts increasing, the panel temperature also begins to spike. However, with active water cooling, the temperature was able to be reduced by 37.67% during the day's hottest temperature. This reduction of temperature creates power improvement to the cooled panel up to 253W, compared to the reference panel output of only 223W. During the overheating of a photovoltaic (PV) panel, the open circuit voltage was found to be the most affected. This increase in power with active water cooling can potentially have a massive impact on large-scale photovoltaic (PV) panel installations.

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Critical Review: Adaptive Pole Assignment PID Controller on DC-DC Converters

2020-03-20 , Husna A.W.N. , Mohd Hafizuddin Mat , Mohd Najib Mohd Yasin , Muzammil Jusoh , Mohd Irwan Yusoff , Mohamad Shukor Abdul Rahim , Esa S.M.

Recently, control usages of DC-DC converters have been widely investigated particularly in renewable energy; as the primary sources. Discovering the most appropriate control method to be applied in DC-DC converter topologies is the most significant interest of research and development in this field. Thus, the review is carried out in selecting a control method that capable to improve the functioning of the converters as well as reducing the effect of disturbances and load variances.

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Modeling, experimental investigation and real-time control of active water cooling system for photovoltaic module

2024-01-01 , Mohamad Shukor Abdul Rahim , Mohammad Faridun Naim Tajuddin , Mohd Sazli Saad , Hasanuzzaman M. , Azralmukmin Azmi , Mohd Fayzul Mohammed

Photovoltaic (PV) cells are integral in harnessing solar energy, yet their performance is hindered by excessive heat generation, impacting efficiency and sustainability. Addressing the challenge of efficiency loss in photovoltaic (PV) cells due to overheating, this study focuses on optimizing active water cooling control for PV modules. The aim is to develop a dynamic, sustainable model and integrate a PID controller tuned by Sine Cosine Algorithm (SCA), targeting optimal operating temperatures. This study introduces a dynamic model and a closed-loop control system to manage PV cell temperature, investigating the correlation between water flow and temperature regulation. Experimental data is gathered using a pseudo-random binary sequence (PRBS) as an excitation signal, forming the foundation of an Auto Regressive eXogenous (ARX) model. The closed-loop system incorporates a PID controller and tuned using the Sine Cosine Algorithm (SCA) to optimize performance. The resulting model is rigorously validated through experimental investigation, demonstrating its precision in capturing the system’s dynamics. Moreover, the implementation of a controller-based cooling system substantiates the model’s practical efficacy. The research demonstrates significant improvements when implementing a controller-based water-cooling system for photovoltaic (PV) modules. Compared to the baseline scenario without cooling, the system achieves a 34.5% reduction in average PV temperature (from 59.2°C to 38.9°C) and a 9.46% increase in average power output (from 196.7W to 215.3W). Moreover, this system utilizes only 248.8 liters of water, marking a substantial 64% decrease in water consumption compared to traditional free-flow cooling methods, which use 790.9 liters. The research demonstrates that the controller-based cooling approach is a sustainable option, delivering power output comparable to the free-flow method, yet significantly lowering water consumption. This research signifies a turning point for sustainability, offering an efficient and water-conscious approach for enhancing PV system performance, a crucial step toward a greener and more environmentally responsible energy future.

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Fundamental study on the impacts of water-cooling and accumulated dust on photovoltaic module performance

2022-12-01 , Alwesabi F.A.A. , Aziz A.S. , Mohamad Shukor Abdul Rahim , Mohammad Faridun Naim Tajuddin , Mohd Fayzul Mohammed , Azralmukmin Azmi , Satterlee C. , Ayob S.M. , Sutikno T.

Photovoltaic (PV) modules have been becoming well-spread recently as alternative clean energy sources to traditional energy sources due to their efficiency and sustainability benefits. This paper applied various water temperatures and artificial dust levels to a couple of monocrystalline PV modules under outdoor conditions to observe their performance. Two different IV tracers were connected separately to each module for comparison purposes. Two temperature sensors were installed at the back of the panels to observe the cell temperatures. Besides, a temperature sensor was specified for ambient readings. Water flowed through an adjustable water-flow sensor to cool the overheated PV module using specific mass flow rates. The results indicate that the efficiency of the PV module starts to reduce when the panel temperature begins to surpass 49.1°C. It was discovered that cooling the PV module increases its efficiency from 0.97 percent at the lowest rate to 4.70 percent at the highest rate. Furthermore, accumulated dust on the PV module top surface can be reduced up to 3-fold under 110 g/m2 of dust, and up to 29.30% under 10 g/m2 of 100% of its generated energy. Improvement techniques and future work on PV module performance are also discussed.

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Determination of soft starter firing angle performance to mitigate motor high inrush current using current limitation method

2020-03-20 , Mohamad Shukor Abdul Rahim , Azizan, Muhammad Mokhzaini , Mohd Irwan Yusoff , Mohd Hafizuddin Mat , Nur Irwany Ahmad , Noor Fazliana Fadzail , Md Esa, Suhaireza Binti

Inrush current in the simplest form can also be determined as current drawn by an induction motor during startup period. This starting current will shoot up about 5 to 7 times the rated current. However, this high current usually occur in the starting period only. To overcome this, several techniques can be implemented to reduce the high current. The configuration of soft starter just involving some power semiconductor device act as switches that control the current flow from power source to the motor. The switches is in form of thyristor and are connected back-to-back because the system conduct in AC system. The current output can be controlled by varying the firing angle. This changing of firing angle will be managed by a firing angle control circuit. This soft starter was connected between power source and motor. The thyristors that built in soft starter act like a gate to control the voltage applied to the motor. The firing angle for current limitation soft starter was changed to several angle and what can be concluded that the high current succeed to mitigate with increasing the firing angle. The current drawn for this type of starter is steadily constant. The lower current during starting took longer time for motor to reach its rated speed. This type of starter successfully reduces inrush current about 42 percent. Finally what can be concluded is that the soft starter was proven to mitigate inrush current. Type of soft starter that going to implement is depending on the application of motor. When the application need to control the torque is more suitable to use current limitation soft starter because the current is steadily control.

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Technologies of solar tracking systems: A review

2020-03-20 , Amelia A.R. , Mohd Irwan Yusoff , Safwati Ibrahim , Leow Wai Zhe , Mohd Hafizuddin Mat , Mohamad Shukor Abdul Rahim

Solar energy is abundantly in nature and sustainable energy resources around the world. The main challenge with the solar field is less amount of sun energy captured by using photovoltaic (PV) systems. The great performance of the PV systems can be achieved if the panel is kept perpendicular to the direction of the radiations of sun. Hence, solar tracker system is the method to keep the optimum position of the PV panel for always perpendicular to the solar radiation. This paper aims to review on various technologies of solar tracking to determine the best PV panel orientation. The various types of technologies of solar tracking system have been discussed which includes passive solar tracker, active solar tracker and chronological tracker system. The movement degrees of solar tracking system also have been addressed which consisting single-axis solar tracking system and dual-axis solar tracking system. This paper is also overviews the tracking techniques performance, construction, performance, advantages, and disadvantages of existing solar tracking system. The limitations of solar tracking systems are also highlighted for future action improvement. Through this research studies, the most favorable solar tracking system was identified as active solar tracker with the dual axis rotation.

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Review of Control Strategies for Improving the Photovoltaic Electrical Efficiency by Hybrid Active Cooling

2024-06-01 , Edaris Z.L. , Mohd Sazli Saad , Mohammad Faridun Naim Tajuddin , Ali M.H. , Mohamad Shukor Abdul Rahim

Photovoltaic (PV) cooling systems are used widely in order to increase the PV efficiency. Most review paper was published for the role, design and cooling techniques of PV applications, there is a lack of collected and organised information regarding the latest and the newest updates on control strategies for PV cooling control systems. Hence, this paper presents a comprehensive review of PV cooling control strategies discussing the latest research works during the years from 2010 to 2022. PV/T hybrid cooling types are highlighted, followed by the main focus of this paper an extensive review of the control schemes for diverse types of PV cooling systems that have been carried out. This paper summarises most of the related work and also pays a special focus on research trends regarding the control of PV cooling systems that have been previously published in the literature. This review paper will be helpful to new researchers when identifying research directions for this particular area of interest.

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Water-Based Energy Production Using PI Controller

2022-01-01 , Ali N.I.H.M. , Nur Irwany Ahmad , Muhammad Zaid Aihsan , Diyya Hidayah Abdul Rahman , Mohamad Shukor Abdul Rahim , Nurhafiza Azizan , Mokhtarddin H. , Jalaludin B.M. , Zaidi A.A.H. , Saleh A.

Malaysia is now heading for usage of renewable energy in daily use. Nowadays, solar technologies already provide energy for heat, light, hot water, and electricity for businesses and industries. Besides, Malaysia blessed with abundance of water sources and receive high rain volume per year which can be used to generate power. In Malaysia, the ambient temperature is approximately 27 ℃ but it depends on the different location. Different location has different temperature regarding to its different environment. Even though the peak sun hour in Malaysia is 5 to 7 hours per day, the ambient temperature from 32.2 to 35 ℃, can be consider as high temperature. The Standard Test Condition (STC) of solar photovoltaic (PV) is 25 ℃. Therefore, if temperature higher than 25 ℃ is used, it will drop the efficiency of solar PV. To overcome this problem, a new concept of energy production using hybrid system of piezoelectric and peltier generator prototype is developed. In this research, a buck boost converter using Proportional Integrated (PI) controller is designed to boost the output and maintain it in the range of output needed from the harvesting system, which is 12 V. MATLAB software is used to design and simulate the circuit. Hence, the performance of water-based prototype has been evaluated and analyzed based on voltage, current and the power produced by the prototype.

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Determination of soft starter firing angle perfomance to mitigate motor high inrush current using PSCAD

2016 , Mohamad Shukor Abdul Rahim

Inrush current in the simplest form can also be determine as current drawn by an induction motor during startup period. This starting current will shoot up about 5 to 7 times the rated current. However, this high current usually occur in the starting period only. To overcome this, several types can be implement to reduce the high current. Nevertheless, throughout this types of starter, there are some lack on each starter. After all, soft starter are the most convincing because the simple in configuration, easy to control and low cost. The configuration just involving some power semiconductor device act as switches that control the current flow from power source to the motor. The switches is in form of thyristor and was connected back-to-hack because the system conduct in AC system. The current output can be controlled by varying the firing angle. This changing of firing angle will be manage by a firing angle control circuit. The whole research was conducted through PSCAD/EMTDC software. Firstly power source was directly connected to the induction motor and the result was simulate to analyze the inrush current. The inrush current will highly fluctuate and this result will be the reference for further simulation. Then the soft starter was add to the original circuit. This soft starter was connected in between power source and motor. The thyristor that built in soft starter act like a gate to control the voltage applied to the motor. The firing angle for current limitation soft starter was change to several angle and what can be conclude that the high current succeed to mitigate with increasing the frring angle. The current drawn for this type of starter is steadily constant. The lower current during starting took longer time for motor to reach its rated speed. This type of starter successfully reduce inrush current about 42 percent. The research then conduct the time voltage ramp soft starter. This starter use the exact same circuit from the previous soft starter but the firing angle is not fixed anymore. The angle is changing from high to low. The main idea is to increase the conduction angle which also increase the voltage applies to the motor. The voltage applied from lowest value and slowly increasing. This also mean that the current gradually been increase throughout the circuit. This type of starter manage to reduce inrush for 33 percent. Finally what can be conclude is that the soft starter was proven to mitigate inrush current. Type of soft starter that going to implement is depending on the application of motor. When the application need to control the torque is more suitable to use current limitation soft starter because the current is steadily control. On the other hand when the application on motor needed the torque to increase gradually, then the time voltage ramp soft starter is the perfect choice.

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