Search results for: H. Hizam

Items from 1 to 20 out of 32 results

chapter

Increasing energy harvest of photovoltaic arrays under uniform illumination : A case study on photovoltaic arrays in boulder CO and Tucson AZ

Samad Shirzadi, H. Hizam, Noor Izzri Abdul Wahab, Mohammad Reza Maghami, more

2016 IEEE International Conference on Power and Energy (PECon) > 23 - 27

2016 IEEE International Conference on Power and Energy (PECon)

Studies on photovoltaic (PV) arrays have demonstrated that some arrays suffer from mismatch power losses even under uniform illumination. This mismatch power loss that is attributed to the inequality of characteristic parameters between a PV array's modules is conventionally addressed by sorting techniques — which stands for sorting PV modules in an array by one of their characteristic parameters...

article

Power transistor-assisted Sen Transformer: a novel approach to power flow control

Salah Eldeen Gasim Mohamed, J. Jasni, M.A.M. Radzi, H. Hizam

Electric Power Systems Research > 2016 > 133 > C > 228-240

The importance of flexible power flow control in electric power transmission networks is increasing owing to many factors that have arisen. Sen Transformer (ST) is one of the attractive power flow controllers. It has a wide control range, independent active and reactive power flow control capability, and is economically attractive. However, it operates in stepwise mode, has limited operating points,...

article

Future strategic plan analysis for integrating distributed renewable generation to smart grid through wireless sensor network: Malaysia prospect

S. Zahurul, N. Mariun, I.V. Grozescu, Hanamoto Tsuyoshi, more

Renewable and Sustainable Energy Reviews > 2016 > 53 > C > 978-992

Integration of Distributed Renewable Generation (DRG) to the future Smart Grid (SG) is one of the important considerations that is highly prioritized in the SG development roadmap by most of the countries including Malaysia. The plausible way of this integration is the enhancement of information and bidirectional communication infrastructure for energy monitoring and controlling facilities. However,...

article

Embracing new agriculture commodity through integration of Java Tea as high Value Herbal crops in solar PV farms

N.F. Othman, M.E. Ya'acob, A.S. Abdul-Rahim, Mohd Shahwahid Othman, more

Journal of Cleaner Production > 2015 > 91 > C > 71-77

Integration of agriculture and renewable energy resources (RER) is currently a hot topic discussed worldwide based on the need for green energy and sustainable economy. The decreasing trend of global market value for the traditional agricultural commodity such as Rubber and Palm Oil really affected the Gross National Income (GNI) and thus, the government of Malaysia outlined a number of strategic...

chapter

Optimal allocation of sen transformer for Active Power Loss Reduction

Salah Eldeen Gasim Mohamed, J. Jasni, M. A. M. Radzi, H. Hizam, more

2014 IEEE International Conference on Power and Energy (PECon) > 59 - 64

2014 IEEE International Conference on Power and Energy (PECon)

Reduction of active power loss is one of the main functions that are carried in power system control centers. The main purpose of transmission systems is efficiently handling power from generation stations to load centers. Yet, a considerable amount of power is lost in transmission network components. As a corrective action, power flow redistribution in transmission lines using appropriate power flow...

article

Mismatch losses minimization in photovoltaic arrays by arranging modules applying a genetic algorithm

Samad Shirzadi, H. Hizam, Noor Izzri Abdul Wahab

Solar Energy > 2014 > 108 > C > 467-478

Photovoltaic (PV) arrays consist of series and parallel connections of PV modules. Difference in current–voltage (I–V) characteristics among a batch of modules form an array causes power losses in PV systems referred to as mismatch losses. These power losses are conventionally reduced by module sorting techniques which sort modules based on an I–V parameter such as short circuit current, current at...

chapter

Power system security enhancement and loss reduction using the SMART power flow controller

M. H. Salah Eldeen Gasim, J. Jasni, M. A. M. Radzi, H. Hizam

2014 IEEE Innovative Smart Grid Technologies - Asia (ISGT ASIA) > 307 - 311

2014 IEEE Innovative Smart Grid Technologies - Asia (ISGT ASIA)

The continuous increase of power demand stresses the system, and adversely affects its security. It may lead to components overload and their outage, voltage decline and its collapse, which may cause entire system blackout. As well, the normal flow of power in transmission lines is not the best possible. In this paper, the Phase Angle Regulator (PAR) and Sen Transformer (ST) are suggested to be used...

article

Assessment of hybrid renewable power sources for rural electrification in Malaysia

M. Fadaeenejad, M.A.M. Radzi, M.Z.A. AbKadir, H. Hizam

Renewable and Sustainable Energy Reviews > 2014 > 30 > Complete > 299-305

Research works on hybrid renewable energy systems for rural electrifications have been quite intensive in recent years. Traditional power systems for remote or rural areas are based on fossil fuels. After addition of renewable energy resources, solar energy applications have become popular in remote energy systems. The recent study and research works show that adding other possible renewable energy...

article

The present and future of smart power grid in developing countries

M. Fadaeenejad, A.M. Saberian, Mohd. Fadaee, M.A.M. Radzi, more

Renewable and Sustainable Energy Reviews > 2014 > 29 > Complete > 828-834

Strong and huge interests on smart grid have increased extensively in recent years around the world. This scenario could be a promising reason for future research in this area. This next form of electricity grid will be able to manage various parts of power production from power plants to the customers. Smart grid has become a major challenge in developed nations in both research and utilization aspects...

article

Performance Test Conditions for Direct Temperature Elements of Multiple PV Array Configurations in Malaysia

M. Effendy Ya’acob, H. Hizam, A.M. Bakri, M. Amran M. Radzi, more

Energy Procedia > 2014 > 61 > Complete > 2387-2390

Solar PV technology and application has been given the highest priority in Malaysia Feed-in-Tariff (FiT) program based on the per kWh electricity rate achieving huge cumulative quota of 18,000 MW. The high enthusiasm and green culture is based on the fact that solar energy source is free, abundance, clean and Malaysia receive approximately 6 hours of sunlight every day the whole year round. This study...

chapter

Evaluation of uncertainties on generation expansion planning

M.T. Askari, M.Z.A. Ab Kadir, H. Hizam, J. Jasni

2013 IEEE 7th International Power Engineering and Optimization Conference (PEOCO) > 273 - 276

2013 IEEE 7th International Power Engineering and Optimization Conference (PEOCO)

In the deregulated power market the generator firms compete with each other to reach the maximum profit. And in this type of power market the investors encounter several uncertain parameters. Demand uncertainty is one of the main parameters can reduce the risk of investing when the planners consider in their planning. Stochastic programming has been represented in this article to solve the investment...

chapter

On the selection of wind turbine generator based on ARMA time series

M. T. Askari, M. Z. A. Ab Kadir, H. Hizam, J. Jasni

2013 IEEE Conference on Sustainable Utilization and Development in Engineering and Technology (CSUDET) > 42 - 45

2013 IEEE Conference on Sustainable Utilization and Development in Engineering and Technology (CSUDET)

By increasing the global warming and environmental challenges the industrial countries commit to reduce the gas emissions and develop the renewable energy based on the Kyoto protocol and also renewable portfolio standard (RPS). Among them, wind resources are more important because of the progress in the technology of its facilities to convert wind to electricity. Wind turbines manufacturer companies...

chapter

Wind farm reactive power optimization by using imperialist competitive algorithm

M. Soheilirad, H. Hizam, P. Farzan, M. Hojabri, more

2013 International Conference on Power, Energy and Control (ICPEC) > 393 - 398

2013 International Conference on Power, Energy and Control (ICPEC)

In this paper a new evolutionary computing method based on imperialist competitive algorithm (ICA) is used for optimization of the reactive power in a wind farm. The output power and also the reactive power of wind farms are not constant due to the oscillation in wind speed. Reactive power optimization is known as an efficient way to have an improvement in power quality and also to reduce power loss...

chapter

Optimal power demand curve: A case study in Universiti Putra Malaysia

S.M. Lawal, H. Hizam, A. Toudeshki, C. Gomes, more

2012 IEEE International Conference on Power and Energy (PECon) > 223 - 226

2012 IEEE International Conference on Power and Energy (PECon)

The necessitation in the optimal power demand model, make it an impetus to present this work as a glaring path in determining the optimum power demand curve, using the available data of a substation. The data are used to find the equation and its coefficients of determination that can give the best-fit curve of the power demand of a substation, based on the available data. This will produce a model...

article

Mitigating the anthropogenic global warming in the electric power industry

M.F. Akorede, H. Hizam, M.Z.A. Ab Kadir, I. Aris, more

Renewable and Sustainable Energy Reviews > 2012 > 16 > 5 > 2747-2761

One of the most current and widely discussed factors that could lead to the ultimate end of man's existence and the world at large is global warming. Global warming, described as the greatest environmental challenge in the 21st century, is the increase in the average global air temperature near the surface of the Earth, caused by the gases that trap heat in the atmosphere called greenhouse gases (GHGs)...

article

Effective method for optimal allocation of distributed generation units in meshed electric power systems

M F Akorede, H Hizam, I Aris, M Z A Ab Kadir

IET Generation, Transmission & Distribution > 2011 > 5 > 2 > 276 - 287

Improper placement of distributed generation (DG) units in power systems would not only lead to an increased power loss, but could also jeopardise the system operation. To avert these scenarios and tackle this optimisation problem, this study proposes an effective method to guide electric utility distribution companies (DISCOs) in determining the optimal size and best locations of DG sources on their...

article

Multiwavelength L-band fiber laser with bismuth-oxide EDF and photonic crystal fiber

A. M. Ramzia Salem, M. H. Al-Mansoori, H. Hizam, S. B. Mohd Noor, more

Applied Physics B > 2011 > 103 > 2 > 363-368

A multiwavelength laser comb using a bismuth-based erbium-doped fiber and 50 m photonic crystal fiber is demonstrated in a ring cavity configuration. The fiber laser is solely pumped by a single 1455 nm Raman pump laser to exploit its higher power delivery compared to that of a single-mode laser diode pump. At 264 mW Raman pump power and 1 mW Brillouin pump power, 38 output channels in the L-band...

chapter

Control action based on steady-state security assessment using an Artificial Neural Network

A N Al-Masri, M Z A A Kadir, H Hizam, N Mariun, more

2010 IEEE International Conference on Power and Energy > 706 - 711

2010 IEEE International Conference on Power and Energy (PECon 2010)

In this paper, the application of an Artificial Neural Network (ANN) for remedial action of a power system is presented. The aims of this study are to find the significant control action that alleviates a bus voltage violation of a power system and to demonstrate the ability of a neural network in terms of evaluating the generation re-dispatch and load shedding amounts. The remedial action is based...

chapter

Economic viability of distributed energy resources relative to substation and feeder facilities expansion

M F Akorede, H Hizam, I Aris, M Z A A Kadir, more

2010 IEEE International Conference on Power and Energy > 238 - 242

2010 IEEE International Conference on Power and Energy (PECon 2010)

Distributed energy resources have numerous benefits, of which is transmission network upgrade deferral. This application is particularly important where there are constraints in upgrading of the existing or construction of new generation units and transmission circuits. This paper presents a cost comparison of the central plant option and DG in meeting additional load demand. The economic analysis...

chapter

Performance study of drive systems and shunt FACTS for the operation of induction motors

M Hedayati, N Mariun, H Hizam, S M Abdullah

2010 IEEE Symposium on Industrial Electronics and Applications (ISIEA) > 463 - 468

2010 IEEE Symposium on Industrial Electronics and Applications (ISIEA 2010)

Drive systems are prevalent in industrial application of induction motors; while shunt FACTS devices are important to compensate disturbances and increase motor speeding up. In this paper an assessment study between Space Vector PWM (SVM) induction motor drive system and shunt FACTS (such as SVC) installed on terminals of motor is done. It is shown that shunt FACTS is more suitable than Induction...

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INFONA - science communication portal

Search results for: H. Hizam

Increasing energy harvest of photovoltaic arrays under uniform illumination : A case study on photovoltaic arrays in boulder CO and Tucson AZ

Power transistor-assisted Sen Transformer: a novel approach to power flow control

Future strategic plan analysis for integrating distributed renewable generation to smart grid through wireless sensor network: Malaysia prospect

Embracing new agriculture commodity through integration of Java Tea as high Value Herbal crops in solar PV farms

Optimal allocation of sen transformer for Active Power Loss Reduction

Mismatch losses minimization in photovoltaic arrays by arranging modules applying a genetic algorithm

Power system security enhancement and loss reduction using the SMART power flow controller

Assessment of hybrid renewable power sources for rural electrification in Malaysia

The present and future of smart power grid in developing countries

Performance Test Conditions for Direct Temperature Elements of Multiple PV Array Configurations in Malaysia

Evaluation of uncertainties on generation expansion planning

On the selection of wind turbine generator based on ARMA time series

Wind farm reactive power optimization by using imperialist competitive algorithm

Optimal power demand curve: A case study in Universiti Putra Malaysia

Mitigating the anthropogenic global warming in the electric power industry

Effective method for optimal allocation of distributed generation units in meshed electric power systems

Multiwavelength L-band fiber laser with bismuth-oxide EDF and photonic crystal fiber

Control action based on steady-state security assessment using an Artificial Neural Network

Economic viability of distributed energy resources relative to substation and feeder facilities expansion

Performance study of drive systems and shunt FACTS for the operation of induction motors

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