Browsing Ismail Daut, Prof. Dr. by Title

Now showing items 51-70 of 154

    • Effect of different size of rotor bars on induction motor efficiency 

      Pungut, Ibrahim; Ismail, Daut, Prof. dr.; Rosnazri, Ali; Yanawati, Yahya; Nor Shafiqin, Shariffuddin; Mastika, Abdullah (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      Efficiency is the main consideration in designing of any equipment. In an induction motor, there are many parameters that could affect the motor efficiency. One of them is the size of rotor bar, that contribute to the rotor ...

    • The effect of different stator slot size on the stator copper loss 

      Nor Shafiqin, Shariffuddin; Ismail, Daut, Prof. Dr.; Yanawati, Yahya; Pungut, Ibrahim; M., Abdullah; Nair, Gomesh; M., Asri (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      The input power to an induction motor is in the form of three phase electric voltages and currents. The first losses encountered in the machine are I2R losses in the stator winding. The stator copper loss occurs when the ...

    • Effect of solar irradiance and temperature on photovoltaic module electrical characteristics 

      M., Irwanto; Ismail, Daut, Prof. Dr.; Merdang, Sembiring, Dr. Ir.; Rosnazri, Ali; S., Champakeow; S., Shema (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      The electrical characteristics of photovoltaic (PV) module are dependent on solar irradiance and temperature. It consists of short circuit current, open circuit voltage, maximum power, fill factor and efficiency. This ...

    • 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 ...

    • Effects of Appliances to Voltage, Current, Power Factor and Harmonic Distortion 

      Mohd Fayzul, Mohammed; Baharuddin, Ismail; Ismail, Daut; Soib, Taib; Shuhaimi, Zakaria; Kamsani, Abdul Majid (Kolej Universiti Kejuruteraan Utara Malaysia, 2004)
      Power utility always get blame if there are power interruption occurred in residential areas. Many of the residential customers are unaware, that is electrical appliance itself one of the reason that contribute to power ...

    • 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 ...

    • Electromagnetic Compatibility (EMC) Test Instrumentations and Application 

      Surya, Hardi, Ir.; Ismail, Daut, Prof. Dr.; Indra, Nisja; Syafruddin, Hasan, Ir.; Abd Rahim, Abd Razak; Robert Teasdale, Kennedy, Prof.; Risnidar Chan, Bahaudin, Ir.; Aidil, Suhkri (School of Electrical Systems Engineering, 2008-01-09)

    • Emotional Intelligence : adakah kita menghargainya? 

      Ismail, Daut, Prof. Madya Dr. (Kolej Universiti Kejuruteraan Utara Malaysia, 2006-03)

    • Energy Saving Through Development of New Copper Rotor of Induction Motor 

      Ismail, Daut, Prof. Dr.; Anayet, Karim; Gomesh Nair, Shasidharan; Syatirah, Mohd Noor; Mohd Asri, Jusoh; Mohd Muzhar, Ahmad Tajuddin (Malaysian Invention & Design Society (MINDS), 2010-05-14)
      This product describes the importance of induction motors is aimed at contributing to energy saving efforts. To investigate induction motor efficiency and loss parameters using new copper rotors. New copper rotors are ...

    • Epstein and iron loss test for Incoming Quality Assurance (IQA) 

      Mastika, Abdullah; Ismail, Daut, Prof. Dr.; Yanawati, Yahya; Nor Shafiqin, Shariffuddin; Pungut, Ibrahim (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      Epstein test is well known method to test the specific total loss in magnetic material. Epstein test procedures are complicated as well as destructive test. Therefore, the Iron Loss Tester is an alternative test and can ...

    • Evaluation of transformer magnetizing core loss 

      Ahmed, M.A.H.; Soib, Taib; Ismail, Daut; Uthman, S. (Asian Network for Scientific Information, 2006)
      Loss in transformer core is the electrical power lost in terms of heat within the core of transformer, when core is subjected to AC magnetizing force. It is composed of several types of losses such as Hysterics loss, eddy ...

    • Fabrication and investigation of copper rotor bar on 0.5HP induction Motor-A performance and economical study 

      Ismail, Daut, Prof. Dr.; Gomesh Nair, Shasidharan; Yanawati, Yahya; Nor Shafiqin, Shariffuddin; Muhammad Irwanto, Misrun; Mohd Irwan, Yusoff; Anayet, Karim (Australian Journal of Basic and Applied Sciences, 2011-05)
      The paper deals with the fabrication of copper rotor bars for 0.5HP induction motor and then comparing it with the existing aluminium rotor bars. From this experiment the rotors are compared in terms of efficiency increment ...

    • Flux pattern in 1000 kVA 11/.433 kV distribution transformer core to sinusoidal wave 

      Shahanom, Uthman; Ismail, Daut, Prof. Dr.; Dina Maizana, Maiz Ahmad, Ir. (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      A study was conducted using sinusoidal waveform to capture flux pattern in CRGO M5 material in a 1000kVA 11kV 3 phase transformer core. It is found that it takes about 180⁰ electrical degree cycle for a pool of flux ...

    • Flux simulation on 100kVA three-phase transformer core 

      Dina Maizana, Maiz Ahmad, Ir.; Ismail, Daut, Prof. Dr.; Soib, Taib (Praise Worthy Prize S.r.l., 2010-06)
      This paper describes the simulation of flux distribution on 100kVA 3 phase distribution transformer assembled with 60°-45° T-joint and mitred lap corner joint with stagger yoke and limb. The core that being used is 3% ...

    • Fuel cell and its curve characteristics 

      Muzamir, Isa; Che Mat, Hadzer; Ismail, Daut; Faizah Abu, Bakar (Institut Teknologi Bandung (ITB), 2006-11-30)
      The aim of this paper is to deliver informations about the features of fuel cells. Its cover analysis of theory and experiment done using a set of tool called Hydro Genius Teach. The experiment is about investigating the ...

    • Generating electricity in Malaysia using solar updraft tower (SUT) 

      Rosnizam, Zailan; Eng, Yi Fong; Ismail, Daut; Fijay, Fauzi (Universiti Malaysia Pahang (UMP), 2009-06-20)
      This paper presents the possibility of generating electricity for a single house in Malaysia using solar updraft tower (SUT). This paper starts with the short introduction of SUT and the advantages. Then followed with ...

    • Generation of Digital Pulse Width Modulation (DPWM) with TMS320F2812 Digital Signal Processor 

      Mohd Faridun Naim, Tajuddin; M. S., Azizan; Mohd Fayzul, Mohammed; Baharuddin, Ismail; Siti Rafidah, Abdul Rahim; Mohd Rafi, Adzman; Zainuddin, Mat Isa; Syahrul Ashikin, Azmi; Ismail, Daut (Universiti Malaysia Pahang (UMP), 2009-06-20)
      This paper presents the programming and use of TMS320F2812 Digital Signal Processor (DSP) in generating the Digital Pulse Width Modulation (DPWM). The structure and functions of eZdsp 2812 board used in this project is ...

    • Gradient temperature on 3Phase transformer core with staggered yoke with 90 T-joint 

      Ismail, Daut, Prof. Dr.; Dina Maizana, MT; M., Ahmad (Universiti Malaysia Pahang (UMP), 2009-06-20)
      This paper describes the result of measurement of localised temperature rise on 100kVA 3phase distribution transformer assembled with 90o T-joint and mitred lap corner joint with stagger yoke with overlap length of 10mm. ...

    • Harmonic content as the indicator of transformer core saturation 

      Ismail, Daut, Prof. Dr.; Syafruddin, Hassan; Soib, Taib; Risnidar, Chan; Muhammad Irwanto (Institute of Electrical and Electronics Engineers (IEEE), 2010-06-23)
      The paper proposes a measurement method for obtaining the parameters needed to calculate a reliable indicator of the state of transformer core saturation. The major nonlinear effects in transformer core are saturation, ...

    • Harmonic monitoring at UniMAP distributed campus 

      Indra, Nisja; Ismail, Daut, Prof. Dr.; Syafrudin, M.; Risnidar Chan, Bahaudin, Ir.; Surya Hardi, Amrin (Institute of Electrical and Electronics Engineers (IEEE), 2011-06-06)
      This paper an attempt has been made to monitor and analyze the harmonic distortions caused by certain typical non linear loads of an educational institution. The current and voltage harmonic distortion at PCC feeding office ...