School of Electrical Systems Engineering (Articles): Recent submissions
Now showing items 81-100 of 115
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A review on existing and future energy sources for electrical power generation in Malaysia
(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, ... -
Solar PV and grid-connected electricity system with multiple modes operation for homes and buildings
(Praise Worthy Prize S.r.l., 2012-04)This paper presents the designed proposal of a solar PV and grid-connected electricity system with multiple modes operation for homes and buildings. It introduces to a more resourceful solar PV system that suits with the ... -
Optical properties of ultraphosphate glasses containing mixed divalent zinc and magnesium ions
(Elsevier B.V., 2013-01)Ternary zinc magnesium ultraphosphate glasses corresponding to (ZnO)x (MgO)30 x (P2O5)70 were prepared by melt quenching technique in the range of 5 6 x 6 20 mol%. The optical absorption spectra of the glasses were ... -
A reconfigurable ultra wide band (UWB) compact tree-design antenna system
(The Electromagnetics Academy, 2012-03)A novel compact tree-design antenna (NCTA) with the ability of reconfigurable ultra-wideband (UWB) of 3.1 GHz to 10.6 GHz to five multi-narrowband applications is proposed. This antenna has a novel radiating element design ... -
Physiological signal analysis for cognitive state estimation
(World Scientific Publishing Co., 2012-02)The purpose of this paper is to identify inconsistency in human physiological signals based on cognitive states by measuring and analyzing bio-signals. In this paper, the cognitive states are estimated using physiological ... -
A method for ground fault distance computation in unearthed medium voltage distribution network
(Praise Worthy Prize S.r.l., 2012)In networks with unearthed or compensated neutral, earth fault signals consist of different frequency components, which result from charging and discharging of the network capacitances. The charge transient which usually ... -
New approach for evaluation of the performance of spectral amplitude coding-optical code division multiple access system on high-speed data rate
(The Institution of Engineering and Technology, 2012-08-14)In this study, the authors proposed a new approach to evaluate the system performance of spectral amplitude codingoptical code division multiple access (SAC-OCDMA) systems. The system performance is evaluated based on a ... -
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 ... -
Performance improvement of spectral amplitude coding-optical code division multiple access systems using NAND detection with enhanced double weight code
(The Optical Society of Japan, 2012-01)The bit-error rate (BER) performance of the spectral amplitude coding-optical code division multiple access (SACOCDMA) system has been investigated by using NAND subtraction detection technique with enhanced double weight ... -
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 ... -
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 ... -
Power flow and loss tracing in deregulated transmission system using proportional tree method
(Praise Worthy Prize S.r.l., 2008)Tracing the flow of electricity becomes an important issue in transmission open access. This is due to transmission open access may bring the fairness and transparency to all users. Since the complexity of electrical ... -
Rubber tire dust-rice husk pyramidal microwave absorber
(EMW Publishing, 2011)Rubber tire dust-rice husk is an innovation in improving the design of pyramidal microwave absorbers to be used in radio frequency (RF) anechoic chambers. An RF anechoic chamber is a shielded room covered with absorbers ... -
A hybrid particle swarm optimization approach and its application to solving portfolio selection problems
(Fuji Technology Press, 2011-06)In modern portfolio theory, the basic topic is how to construct a diversified portfolio of financial securities to improve trade-offs between risk and return. The objective of this paper is to apply a heuristic algorithm ... -
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 ...