Browsing School of Electrical Systems Engineering (Articles) by Author "Ismail, Daut"

Now showing items 1-13 of 13

    • Characteristic Curve of a Fuel Cell 

      Muzamir, Isa; Baharuddin, Ismail; Che Mat Hadzer; Ismail, Daut; Faizah, Abu Bakar (Science Publications, 2006)
      The aim of this study was to deliver information about the features of fuel cells. It cover analysis of theory and experiment done using a set of tool called Hydro Genius Teach. The experiment is about investigating the ...

    • Comparison of losses and flux distribution in 3 phase 100 kVA distribution transformers assembled from various type of T-Joint geometry 

      Ismail, Daut; Dina Maizana, Maiz Ahmad; Shuhaimi, Zakaria; S. Uthman; Soib, Taib (Science Publications, 2006)
      This paper describes results of an investigation of the variation of power loss, building factor, flux leakage and flux distribution in 3-phase model transformer cores assembled from various type of T-joint geometry. The ...

    • Computer designed solar concentrator 

      Omar, Aliman; Ismail, Daut; Muzamir, Isa; Mohd Rafi, Adzman (International Association of Science and Technology for Development (IASTED)/ACTA Press, 2007)
      This paper discusses a computer designed optical concentrator, which is providing efficient solar energy transfer to a Stirling Engine. The receiver can make line focusing onto the absorber of Stirling engine located at ...

    • A critical review-power quality concerns 

      Anayet, Karem; Ismail, Daut; Indra, Nisja; Dina Maizana, Maiz Ahmad; Rajendran, S. (Universiti Malaysia Perlis, 2008)
      Power system quality concerns is the art and science of analyzing power system performance within a facility to determine potential problem areas or to better understand known problems in an electrical distribution system. ...

    • Current total harmonic reduction technique on three-level single phase transformerless photovoltaic inverter using PSpice 

      Ismail, Daut; Muhammad Irwanto, Misrun; Suhelmi; Shasidharan, Gomesh Nair; Mohd Irwan, Yusoff; Muhammad Fitra, Zambak; Risnidar, Chan Bahaudin (Universiti Malaysia Perlis (UniMAP), 2013)
      This paper presents simulation of three-level single phase transformerless photovoltaic inverter (TPVI). Proposed technique of the simulation is created in PSpice software. The simulation is constructed by two voltage ...

    • Design of a single-phase rectifier with improved power factor and low THD using boost converter technique 

      Ismail, Daut; Rosnazri, Ali; Soib, Taib (Science Publications, 2006)
      The method of using Boost type of converter was proposed for a 300W single-phase rectifier in this paper. By designing the necessary techniques and methodology, the overall Power Factor (PF) and Total Harmonic Distortion ...

    • Effect of stack of transformer core lamination on losses and flux distribution in 3-phase distribution transformers 1000kVa 

      Ismail, Daut; Dina Maziana, Maiz Ahmad; Shuhaimi, Zakaria; Soib, Taib (Universiti Malaysia Perlis, 2008)
      This paper describes the results of an investigation on the effect of different amount of layers per stack of core lamination in the three of 3-phase distribution transformers 1000kVA. The investigation involves the variation ...

    • The effects of harmonic components on transformer losses of sinusoidal source supplying non-linear loads 

      Ismail, Daut; Syafruddin, Hasan; Rosnazri, Ali; Samila, Mat Zali; Haziah, Abd Hamid (Science Publications, 2006)
      An important consideration when evaluating the impact of harmonics is their effect on power system component and loads. Sinusoidalare major components in power systems. The increased losses due to harmonic distortion can ...

    • Simplification of sun tracking mode to gain high concentration solar energy 

      Omar, Aliman; Ismail, Daut; Muzamir, Isa; Mohd Rafi, Adzman (Science Publications, 2007)
      Power conversion from solar thermal energy to electrical energy is still very cost-intensive. Serious effort has to be given in the development of the concentrator or heliostat structure expenditure which contributing the ...

    • Tracing generators' output in transmission open access 

      Mohd Herwan, Sulaiman; Omar, Aliman; Mohd Wazir, Mustafa; Ismail, Daut (Institute of Electrical and Electronics Engineering (IEEE), 2007-12)
      Over the past few years, the electric power utility industries around the world have experienced a strong drive towards deregulation. Based on the experience of deregulation of the communication, natural gas and airline ...

    • Tracing reactive power flow and loss in electric power systems 

      Mohd Herwan, Sulaiman; Mohd Wazir, Mustafa; Omar, Aliman; Ismail, Daut; Surya Hardi, Amrin; Mohamad Suhaizal, Abu Hassan (Regional Energy Resources Information Center (RERIC), Asian Institute of Technology (AIT), 2009-03)
      This paper suggests a systematic method to trace the reactive power flow and loss named as Proportional Tree Method (PTM). From the power flow solution, the test system is modeled conceptually like a tree, where the reactive ...

    • Tracing real and reactive power in open access network 

      Mohd Herwan, Sulaiman; Mohd Wazir, Mustafa; Omar, Aliman; Ismail, Daut (Universiti Malaysia Perlis, 2008)
      The main objective of this paper is to present a simple and general methodology for tracing the power output of each generator to the line flows and loads through out the electrical power network. The tracing algorithm is ...

    • Tracking error analysis of a rotation-elevation mode heliostat 

      Omar, Aliman; Ismail, Daut; Muzamir, Isa; Mohd Rafi, Adzman (Science Publications, 2007)
      For the past few years, great efforts have been done in improving the tracking accuracy of a newly proposed rotation-elevation tracking mode heliostat. A special simulation program has been developed to systematically ...