Browsing Ismail Daut, Prof. Dr. by Author "ismail.daut@unimap.edu.my"
Now showing items 21-40 of 49
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In-plane flux distribution in the mix 60o- 45o T-joint of three phase transformer core
Dina Maizana, Maiz Ahmad; Ismail, Daut, Prof. Dr.; Rosnazri, Ali; Risnidar Chan Bahaudin, Ir.; Muhammad Irwanto (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)This paper describes the result of measurement of inplane flux distribution on 100kVA 3phase distribution transformer assembled with the mix 60o- 45o T-joint and mitred lap corner joint with stagger yoke of 10mm. ... -
Induction motor behavior due to symmetrical and un-symmetrical faults
Ismail, Daut, Prof. Dr.; Surya Hardi, Amrin; Tunku Muhammad Nizar, Tunku Mansur; Syafruddin, Hasan; Indra, Nisja; Mohd Hafizi, Idris (Universiti Malaysia Perlis (UniMAP), 2012-06-18)This paper presents induction motor behavior caused by symmetrical and unsymmetrical faults. PSCAD/EMTD power system simulation was used for a simple model and the investigation purpose. Voltage sags are generally caused ... -
K-factor due to implementing of DC unbalanced/balanced of a transformer
Syafruddin, Hasan; Ismail, Daut, Prof. Dr.; Soib, Taib, Assoc. Prof. Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2007-12-04)This paper presents the effects of harmonic distortion on loaded single phase two winding transformer.The impact on K-factor is studied by implementing DC unbalanced and balanced configurations. The measurements are done ... -
Measurement of overall power loss and flux leakage in M4 grain-oriented silicon iron assembled with 45o T-joint of three phase transformer core
Nor Ashbahani, Md. Kajaan; Ismail, Daut, Prof. Dr.; Md. Reza, Md. Mohyin (Institute of Electrical and Electronics Engineers (IEEE), 2010-06-23)In this paper, the result of an investigation on the effect of using M4 Grain-Oriented Silicon Iron core material to the 100kVA three phase distribution transformers has been analyzed. The investigation includes the variation ... -
Measurement of overall power loss for different three phase 100kVA transformer core material
Nor Ashbahani, Md. Kajaan; Ismail, Daut, Prof. Dr.; Nasrul Helmei, Halim (Institute of Electrical and Electronics Engineers (IEEE), 2011-06-06)This paper discussed result of an investigation towards the effect of using two different Cold Rolled Grain-Oriented (CRGO) Silicon Iron material to the 100kVA three phase distribution transformer. This experiment used M4 ... -
Microcontroller based PWM inverter for speed control of a three phase induction motor
M. A., Latif; Mohammad Jahangir, Alam; Mohd Abdur Rashid, Dr.; Anayet, Karim; Nur Hafiezza, Ramly; Ismail, Daut, Prof. Dr. (Engg Journals Publications, 2013)Three phase induction motor has proven to be an extremely reliable electromechanical energy conversion device for over 100 years. The speed control of induction motor is a crying need for the real world industrial applications. ... -
A new proposal to solar and grid-connected hybrid electricity for homes and buildings in Malaysia
Rosnazri, Ali; Ismail, Daut, Prof. Dr.; Soib, Taib; Noor Shahida, Jamoshid (Institute of Electrical and Electronics Engineers (IEEE), 2010-06-23)This paper presents the proposal of a solar and grid-connected hybrid electricity system for homes and also buildings. A new concept of using a DC motor and synchronous generator as an electromechanical inverter is proposed ... -
Optimization of current total harmonic distortion on three-level transformerless photovoltaic inverter
Ismail, Daut, Prof. Dr.; Muhammad Irwanto; Mohd Irwan, Yusoff; Gomesh Nair, Shasidharan; Noor Syafawati, Ahmad (Elsevier Ltd., 2012)This paper presents a new topology of three-level transformerless photovoltaic (PV) inverter. It consists of three main circuits; they are a pulse driver circuit, a full bridge inverter circuit and a power factor correction ... -
Performace of wind turbine based on wind speed data and turbine tower height in Kangar, Northern Malaysia
Ismail, Daut, Prof. Dr.; Muhammad Irwanto, Misrun; Mohd Irwan, Yusoff; Gomesh Nair, Shasidharan; Noor Syafawati, Ahmad (Australian Journal of Basic and Applied Sciences, 2011-07)This paper presents an analysis of the wind speed characteristic in Kangar, Northern Malaysia. The Weibull distribution function is applied to analyze the wind speed characteristic and used to calculate the wind power ... -
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 ... -
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 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 ... -
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. ... -
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, ... -
Sensitivity of low voltage consumer equipment to voltage sags
Surya, Hardi; Ismail, Daut, Prof. Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2010-06-23)Voltage sag is an issue that is becoming increasingly important to electricity consumers at all level of usage. These result from with increasing use of electronic equipment in several sectors for the reason to improve ...