Ismail Daut, Prof. Dr.: Recent submissions
Now showing items 61-80 of 150
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Clear sky global solar irradiance on tilt angles of photovoltaic module in Perlis, Northern Malaysia
(Institute of Electrical and Electronics Engineers (IEEE), 2011-06-21)The performance of a photovoltaic (PV) is highly influenced by its orientation and its tilt angle with the horizontal, due to the fact that both the orientation and tilt angle change the amount of solar radiation reaching ... -
Special designed universal power switching generator simplifies power electronics studies
(Institute of Electrical and Electronics Engineers (IEEE), 2011-06-06)This paper presents a specially designed power switching generator device that produces 4 types of waveforms; square-wave, sinusoidal PWM, quasi-sinewave or multilevel and high-frequency DC pulses with a total of 14 different ... -
Improvement of induction machine performance using power factor correction
(Institute of Electrical and Electronics Engineers (IEEE), 2011-06-21)In this paper, a new approach to improve power factor (PF) and reduced total harmonic distortion (THDi) is generated by a single phase induction motor is proposed. By designing the necessary technique and methodology, the ... -
Measurement of overall power loss for different three phase 100kVA transformer core material
(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 ... -
Potential of solar radiation and wind speed for photovoltaic and wind power hybrid generation in Perlis, Northern Malaysia
(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. ... -
Special designed universal power switching generator for power electronics studies
(Institute of Electrical and Electronics Engineers (IEEE), 2011-06-21)This paper presents a specially designed power switching generator device that produces 4 types of waveforms; square-wave, sinusoidal PWM, quasi-sinewave or multilevel and high-frequency DC pulses with a total of 14 different ... -
Power flow tracing via modified proportional tree method
(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 ... -
Determination of reactive power flow in deregulated transmission system
(Institut Teknologi Brunei, 2008-11-03)The electricity industry throughout the world, which has long been dominated by vertically integrated utilities, is undergoing enormous changes. Deregulation has necessitates the decomposition of three components of electric ... -
A study on voltage sag in industry system with adjustable speed drive
(Universiti Malaysia Perlis (UniMAP), 2008-03-15)The awareness of electric power quality has increased over the past decade as electronic equipment has become more susceptible to power disturbances. The most distruptive power disturbances is voltage sags. Voltage sags ... -
An analysis on power quality measurement and monitoring techniques for nonlinear load
(Universiti Malaysia Perlis (UniMAP), 2008-03-15)Electric power quality is an aspect of power engineering that has been with us since the inception of power systems. The measurement of the quality of the electric power in a network is therefore becoming an urging need ... -
Optimal allocation and sizing of DG in distribution system using evolutionary programming technique
(Universiti Teknologi MARA (UiTM), 2008-06-04)In recent years, distributed generation (DG) installation has shown an increasing growth in the distribution networks around the world due to the raise in promotion towards utilization of renewable energy resources and ... -
Comparion methods for determining generators shares in loads, line flows and losses for transmission open access
(Universiti Teknologi Mara (UiTM), 2008-06-04)In transmission open access, determining generators' share in loads, line flows and losses have become an important issue, due to the complexity of electrical transmission system, it is not straightforward to map out tin ... -
Determination of power flow and loss allocation using superposition theory method
(Regional Energy Resources Information Center (RERIC), Asian Institute of Technology, 2008-03)This paper discussed a method to determine power flow and loss from individual generator to particular load and line flows for transmission open access. Based on solved load flow, the method uses basic circuit theories ... -
Tracing reactive power flow and loss in electric power systems
(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 ... -
Core loss measurements of three phase AC induction motor
(Institute of Electrical and Electronics Engineers (IEEE), 2010-06-23)Core loss measurements at the field level for AC induction motor have been described. The standard requirements is the conventional no-load test to measure the “rotational losses” (sum of the core, friction & windage losses) ... -
Power losses test for electrical machine design on non-grain oriented different thickness material
(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 ... -
Measurement of overall power loss and flux leakage in M4 grain-oriented silicon iron assembled with 45o T-joint of three phase transformer core
(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 ... -
Current transformer reaction with linear and non-linear loads
(Institute of Electrical and Electronics Engineers (IEEE), 2010-06-23)The used of non-linear loads nowadays in industrial system has increased accordance with the present technology. However, the used of non-linear loads supply more harmonic distortion into the distribution systems. ... -
Sensitivity of low voltage consumer equipment to voltage sags
(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 ... -
Photovoltaic powered uninterruptible power supply using smart relay
(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 ...