Ismail Daut, Prof. Dr.: Recent submissions
Now showing items 41-60 of 154
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Optimization of photovoltaic module electrical characteristics using genetic algorithm
(Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)This paper presents the optimization of PV module electrical characteristics using genetic algorithm (GA). A mathematical modeling was used to characterize the electrical characteristics of PV module. A 180 W, 30 V, ... -
Epstein and iron loss test for Incoming Quality Assurance (IQA)
(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 ... -
Statistic data analysis of localized magnetic flux density and power loss
(Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)The experiment data were collected by using the search coil technique and temperature arise with time in order to measure the magnetic flux density and power loss. Statistic data analysis and engineering knowledge are tools ... -
Testing of contactors under voltage sag and non-sinusoidal voltage conditions
(Institute of Electrical and Electronics Engineers (IEEE), 2010-11-29)Sensitivity of electromagnetic contactors for voltage sags and non-sinusoidal voltage supply has been carried out by laboratory testing. Effects of sag characteristics such as; sag magnitude, sag duration and point on wave ... -
K-factor due to implementing of DC unbalanced/balanced of a transformer
(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 ... -
Performace of wind turbine based on wind speed data and turbine tower height in Kangar, Northern Malaysia
(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 ... -
Fabrication and investigation of copper rotor bar on 0.5HP induction Motor-A performance and economical study
(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 ... -
Performance of photovoltaic module at different tilt angles in Perlis, Northern Malaysia
(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 ... -
In house construction of an induction motor rotor by using 0.35mm thickness of steel sheet for efficiency based investigation
(Trans Tech Publications, 2012)In this paper, an in house production of a 0.5hp induction motor's rotor is investigated. This investigation considers the induction motor's efficiency and losses dissipation as an important aspect to determine the rotors ... -
The impacts of stator materials on induction motor nameplate parameters for high performance
(Institute of Electrical and Electronics Engineers (IEEE), 2010-12-13)Core materials and magnet wire sizes were analyzed in order to find out the impacts on nameplate for high performance motor. Stack length and back core iron depth of stator geometry design are the parameters involve in ... -
The impacts of stator outside diameters on induction motor nameplates: Analysis by using a finite element
(Institute of Electrical and Electronics Engineers (IEEE), 2010-12-13)Design stimulation by software is important in order to save money and time. This paper is using stimulation software, which is a finite element method, to analyze the stator outside diameter impact on rated current, horse ... -
Different clamp stress impact on losses and flux distribution between two of 3 phase distribution transformer 1000 kVA assembled with stagger yoke of transformer core lamination
(Institute of Electrical and Electronics Engineers (IEEE), 2007-11-25)The power loss of transformer core are depends on a large extent on mechanical stress. This paper describes the result of an investigation on effect different clamp stress of core lamination in the two of 3 phase distribution ... -
Investigation of influence of voltage source type on harmonic characteristics
(Institute of Electrical and Electronics Engineers (IEEE), 2010-06-23)This paper discussed about influence of voltage source types on harmonic characteristics. Usually, the voltage source is sinusoidal. But in actually, the condition of the load is has voltage sources through the elements ... -
Flux simulation on 100kVA three-phase transformer core
(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% ... -
Diagnosis of MV oil filled cable terminations with X-ray imaging and infrared (IR) thermography
(Science Publications, 2007)A main purpose of doing a diagnostic in cable system including its accessories such as impregnated paper insulated oil filled cable termination is to predict failure before they occur. Those cable and accessories, which ... -
Comparison on performance of voltage sags miligation techniques
(Universiti Teknologi MARA (UiTM), 2009-06-03)The increasing use of sophisticated electronics, high efficiency variable speed drive, and power electronic controller, power quality has become an increasing concern to utilities and customers. Voltage sags is the most ... -
Predicting the localized flux distribution in three phase induction motor between different stator slot size
(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. ... -
Harmonic monitoring at UniMAP distributed campus
(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 ... -
Combination of Hargreaves method and linear regression as a new method to estimate solar radiation in Perlis, Northern Malaysia
(Elsevier Ltd., 2011-11)The best way to obtain the solar radiation data of a particular place of interest (POI) is to measure at the specific site continuously and accurately over the long term. However, due to financial, maintenance, calibration ... -
Parameter determination of 0.5 hp induction motor based on load factor test - A case study
(Institute of Electrical and Electronics Engineers (IEEE), 2011-06-21)The load can influence the efficiency of the induction motor. Even if the load has higher or less load factor, it can reduce the efficiency of an induction motor by several percentage. By knowing this, it is important that ...