Now showing items 107-126 of 154

    • Performance comparison different thickness of non oriented electrical steel material using analysis and performance chart from FEM software 

      Yanawati, Yahya; Ismail, Daut, Prof. Dr.; Nair, Gomesh; Nor Shafiqin, Shariffuddin; Pungut, Ibrahim; M., Abdullah (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      With market condition today, the economics are such that users and engineer are looking for the best fit for the application at the most reasonable cost in purchasing induction motors. Generally, 0.35mm thickness of ...
    • Performance of photovoltaic module at different tilt angles in Perlis, Northern Malaysia 

      Ismail, Daut, Prof. Dr.; Muhammad Irwanto, Misrun; Ezzani, M.; Mohd Irwan, Yusoff (Praise Worthy Prize, 2010-12)
      This paper presents a calculation of the tilt angles and the solar irradiance on PV module in Perlis, Nortern Malaysia. A mathematical modeling is used to calculate the tilt angles and the solar irradiance, which depend ...
    • Performing A Single Phase Unidirectional AC Voltage Controller 

      Syafruddin, Hasan, Ir.; Ismail, Daut, Assoc. Prof. Dr.; Baharuddin, Ismail; Indra, Nisja; Mohd. Herwan (School of Electrical Systems Engineering, 2008-01-09)
      To generate a regulated AC voltage that can be used such as for light control, speed control of induction reactor, and etc.
    • Photovoltaic powered uninterruptible power supply using smart relay 

      Ismail, Daut, Prof. Dr.; Muhammad Irwanto; Surya, Hardi (Institute of Electrical and Electronics Engineers (IEEE), 2010-06-23)
      Uninterruptible power supply (UPS) sits between a power supply such as wall outlet and devices to prevent undesired feature that can occur within the power source such as outages, sags, surges and bad harmonics from the ...
    • Potential of solar energy harvesting in Ulu Pauh, Perlis, Malaysia using solar radiation - Analysis studies 

      Noor Syafawati, Ahmad; Ismail, Daut, Prof. Dr.; Muhammad Irwanto, Misrun; Farhana, Z.; Nurul Razliana, Abd Razak; Arizadayana, Zahalan; Saidatul Shema, Saad (Elsevier B.V., 2012-12-27)
      This paper presents analysis studies of solar energy harvesting potential in Ulu Pauh, Perlis, Malaysia which located at 6.462°N, 100.351°E. Solar radiation is radiant energy received from the sun, from both direct and ...
    • Potential of solar radiation and wind speed for photovoltaic and wind power hybrid generation in Perlis, Northern Malaysia 

      Ismail, Daut, Prof. Dr.; Muhammad Irwanto, Misrun; Mohd Irwan, Yusoff; Gomesh Nair, Shasidharan; Rosnazri, Ali; Noor Syafawati, Ahmad (Institute of Electrical and Electronics Engineers (IEEE), 2011-06-06)
      This paper presents analysis of the solar radiation and wind speed characteristics in Perlis, Northern Malaysia for the year of 2006. The characteristics consist of daily and annual mean solar radiation and wind speed. ...
    • Potential of vertical axis hybrid wind turbine use in Perlis 

      Nurul Razliana, Abd Razak; Ismail, Daut, Prof. Dr.; Mohd Irwan, Yusoff; Farhana, Z.; Risnidar Chan Bahaudin, Ir.; Noor Syafawati, Ahmad (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      In recent years, wind energy is one of the fastest developing renewable energy sources technologies across the globe. Wind energy conversion given a serious consideration in Malaysia since it is located in the equatorial ...
    • Power electronics education using Mathcad 

      Kennedy, Robert T.; Ismail, Daut (Universiti Teknologi Malaysia (UTM), 2005-12-13)
      Advancement in technology and the resulting affects on curriculum content in an attempt to meet employer's needs requires careful consideration to avoid 'over pruning' essential basics. Developing delivery methodology that ...
    • Power flow tracing via modified proportional tree method 

      Mohd Herwan, Sulaiman; Mohd Wazir, Mustafa; Omar, Aliman; Ismail, Daut, Prof. Dr.; Mohd Suhaizal, Abu Hassan (Universiti Malaysia Perlis (UniMAP), 2008-03-08)
      Tracing the flow of electricity becomes an important issue under deregulation system. It is more complicated compared to other fields due to norlinear nature of power flow and specific properties of electricity. Since the ...
    • Power losses on grain oriented and non-grain oriented materials using epstein test for electrical machine design 

      Ismail, Daut, Prof. Dr.; Anayet, Karim; Mohd Asri, Jusoh; Gomesh Nair, Shasidharan; Syatirah, Mohd Noor; Mohd Muzhar, Ahmad Tajuddin (ACTA Press, 2009-10-12)
      Modeling and definition of procedures leading to a good estimation of power losses in electrical machines from materials test data still is a challenge. The materials used in this experiment are grain oriented (GO) and ...
    • Power losses test for electrical machine design on non-grain oriented different thickness material 

      Md. Reza, Mohyin; Ismail, Daut, Prof. Dr.; Nor Ashbahani, Md. Kajaan (Institute of Electrical and Electronics Engineers (IEEE), 2010-06-23)
      This paper examines the effect of thickness in power loss for non-grain oriented material. In this paper, Epstein frame is optimized for both materials and the data is presented based on 50 Hz. The leakage flux is investigated ...
    • Power quality and electromagnetic compatibility -The 'simple or not so simple' ubiquitous power supply input stage - 

      Kennedy, Robert Teasdale; Ismail, Daut (Institute of Electrical and Electronics Engineering (IEEE), 2008-12-01)
      Power Quality is per se the ac line input voltage quality that in turn is determined by the interaction of the source impedance and the line current. Low frequency line current harmonics up to the 40th harmonic (2 kHz for ...
    • Power quality and electromagnetic compatibility -The 'simple or not so simple' ubiquitous power supply input stage - 

      Robert, Teasdale Kennedy; Ismail, Daut (Institute of Electrical and Electronics Engineering (IEEE), 2008-12-01)
      Power Quality is per se the ac line input voltage quality that in turn is determined by the interaction of the source impedance and the line current. Low frequency line current harmonics up to the 40th harmonic (2 kHz for ...
    • The power quality impact of adjustable speed drives in industrial distribution system 

      Surya, Hardi; Ismail, Daut; Mohd Irwanto; Mohd Herwan, Sulaiman; Risnidar, Chan; Indra, Nisja (Universiti Malaysia Pahang (UMP), 2009-06-20)
      Applications of adjustable speed drives (ASDs) have benefited many industrial facilities. The primary function function of any speed drive is to control the speed of a motor. This control technique can significantly ...
    • Predicting an investigation of flux distribution in three phase induction motor stators by using different stator slot sizes 

      Nor Shafiqin, Shariffuddin; Ismail, Daut, Prof. Dr.; Yanawati, Yahya; Pungut, Ibrahim; M., Abdullah; Nair, Gomesh (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-09-16)
      The predicting of different stator slot sizes on flux distribution in three phase induction motor is presented. For both stator models, the maximum flux density is found near the tooth tip and minimum towards the outer ...
    • Predicting the localized flux distribution in three phase induction motor between different stator slot size 

      Ismail, Daut, Prof. Dr.; Dina Maizana, Maiz Ahmad, Dr.; Nor Shafiqin, Shariffuddin; Nasrul Helmei, Halim; Yanawati, Y.; Mohd Asri, Jusoh; Gomesh Nair, Shasidharan; Pungut, Ibrahim; Abdullah, M.; Syatirah, M. N. (Institute of Electrical and Electronics Engineers (IEEE), 2011-06-06)
      A three phase induction motor differences of stator slot size is investigated in terms of its localized flux distribution. The search coil induced voltage method is used to analyze the flux distribution in the stator core. ...
    • Relationship between the solar radiation and surface temperature in Perlis 

      Ismail, Daut, Prof. Dr.; Mohd Irwan, Yusoff; Safwati, Ibrahim; Muhammmad Irwanto; Gomesh Nair, Shasidharan (Trans Tech Publications, Switzerland., 2012-06)
      Statistical models for predicting the solar radiation have been developed. In any prediction of the solar radiation, an understanding of its characteristics is of fundamental importance. This study presents an investigation ...
    • Response of induction motor to balance voltage sags and momentary interruption 

      Surya, Hardi; Ismail, Daut, Prof. Dr.; Che Mat, Hadzer; Risnidar, Chan, Ir.; Muhammad Irwanto; Pungut, Ibrahim (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      This paper presents result of experimental study of induction motor behavior when subjected to voltage sags and interruption. Small induction motors were used to investigate this phenomenon. A shaffner “Profline 2100” EMC ...
    • Review of study to improve dye sensitized solar cells performance by TiO2 thickness and extract mangosteen pericarp as sensitized 

      Ismail, Daut, Prof. Dr.; Muhammad Fitra, Zambak; Muhammad Irwanto; Gomesh Nair, Shasidharan; Mohd Irwan, Yusoff (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      Based on the process and observation of this paper electrical energy conversion efficiency in dye sensitized solar cell performance is strongly influenced by the dye and the thickness Titaniuam dioxide. Both of these items ...
    • A review on existing and future energy sources for electrical power generation in Malaysia 

      Rosnazri, Ali; Ismail, Daut, Prof. Dr.; Soib, Taib (Elsevier Ltd., 2012-08)
      As the electricity demand is affected by population growth, Malaysia towards an industrialized nation is considering the options for future energy sources for its power generation. Besides the conventional four-fuel mix, ...