Browsing School of Electrical Systems Engineering (Articles) by Title
Now showing items 40-59 of 115
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Evaluation of in-plane flux distribution in 3phase 100kVA transformer core
(Praise Worthy Prize S.r.l., 2012-06)These papers describe the result of measurement and evaluate the behaviours of inplane flux distribution on 100kVA 3phase distribution transformer assembled with the combination of 60°-45° T-joint. Methodology that is used ... -
Evaluation of the localised loss transformer core lamination
(Asian Network for Scientific Information, 2010)The magnetic flux has to change its direction at butt-joint meanwhile at butt-joint occur the hot spot. The hot spot can be measure using thermistor in term gradient temperature. These papers describe the result of measurement ... -
Evolutionary based maximum power point tracking technique using differential evolution algorithm
(Elsevier B.V., 2013)This paper presents a maximum power point tracking (MPPT) technique for photovoltaic (PV) system using a modified differential evolution (DE) algorithm. The standard DE is modified to deal with dynamic objective function ... -
Experimental determination of the performance of rice husk-carbon nanotube composites for absorbing microwave signals in the frequency range of 12.4-18 GHz
(EMW Publishing, 2013)Composites of rice husks and carbon nanotubes (RHC-NTs) are an innovation in improving the absorption of microwave signals. Rice husks, which are an agricultural waste material, have been found to possess a significant ... -
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 ... -
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% ... -
Generic model of active distribution network for large power system stability studies
(Institute of Electrical and Electronics Engineers (IEEE), 2013)This paper presents the development of the dynamic equivalent model of an active distributed network (ADN) based on the grey-box approach. The equivalent model of an ADN comprises a converter-connected generator and a ... -
Harmonics suppression single-fed dual-circularly polarized microstrip patch antenna for future wireless power transmission
(Engg Journals Publications, 2013-10)This paper presents a novel design of a harmonic suppression single-fed dual-circularly polarized microstrip patch antenna for a rectenna system in the future wireless power transmission application. The proposed antenna ... -
High-speed, simplified design of an image receiver for wireless capsule endoscopy
(EMW Publishing, 2013)Just over a decade ago, wireless capsule endoscopy (WCE) was introduced as a novel alternative to conventional wire or probe endoscopy to examine disorders of the human gastrointestinal (GI) tract. Yet, the persistent ... -
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 ... -
Improvement of absorption characteristics of solar cell above room temperature using quantum dot
(Engg Journals Publications, 2013-10)This paper presents a theoretical study on the light absorption characteristics of solar cell. We have analyzed the temperature dependence of the absorption coefficient of light and the percentage of the incident light ... -
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 influence of human head model wearing metal-frame spectacles to the changes of SAR and antenna gain: Simulation of frontal face exposure
(EMW Publishing, 2013)The relationship between specific absorption rate (SAR) and antenna gain inside the head due to the metal-frame spectacles was investigated. The radio frequency (RF) energy source considered is the smartphone used in the ... -
The influence of human head model wearing metal-frame spectacles to the changes of SAR and antenna gain: Simulation of frontal face exposure
(EMW Publishing, 2013)The relationship between specific absorption rate (SAR) and antenna gain inside the head due to the metal-frame spectacles was investigated. The radio frequency (RF) energy source considered is the smartphone used in the ... -
Low wireless power transfer using Inductive Coupling for mobile phone charger
(Institute of Physics Publishing, 2014)A wireless power transfer (WPT) using inductive coupling for mobile phone charger is studied. The project is offer to study and fabricate WPT using inductive coupling for mobile phone charger that will give more information ... -
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 ... -
Microcontroller based PWM inverter for speed control of a three phase induction motor
(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. ... -
Minimization of open circuit voltage fluctuation of quantum dot based solar cell using InN
(Trans Tech Publications, 2013)This paper reports the improvement of open circuit voltage stability of solar cell using InN based quantum dot in the active layer of the device structure. We have analyzed theoretically the temperature dependence of the ... -
Modeling double Blumlein with variable duration and polarity using orcad PSpice
(Elsevier Ltd., 2012)Double Blumlein generator is an excellent technique in generating high voltage short pulsed power with fast rise time signal. However properties of fixed pulse duration and polarity of Blumlein configuration limits the ... -
Modeling of coaxial slot waveguides using analytical and numerical approaches: Revisited
(Hindawi Publishing Corporation, 2012)Our reviews of analytical methods and numerical methods for coaxial slot waveguides are presented. The theories, background, and physical principles related to frequency-domain electromagnetic equations for coaxial waveguides ...