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150 results for “power factor”
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Research ArticleOpen accessIn the abstractVoltage Stability of Long Transmission Line Equipped with a Thyristor Controlled Series CapacitorPrechanon KumkratugProblem statement: Power-Voltage curve provides very important information for voltage stability analysis. The exact long transmission line model consists of the resistance and the reactance. The resistance causes in the active line loss. It is not easy task to achieve the power-voltage curve characteristics of power system with the exact long line model equipeed with a Thyristor Controlled Series Capacitor … …American Journal of Applied Sciences, Vol. 9, Issue 9 · 6 Aug 2012 · 6,974 accessesView PDFCite
Research ArticleOpen accessIn the abstractA 2-12 GHz Low Noise Amplifier Design for Ultra Wide Band ApplicationsV. Vaithianathan, J. Raja, R. SrinivasanProblem statement: The Low Noise Amplifier (LNA) is a core block of an Ultra Wide Band (UWB) receiver since it amplifies a very weak signal received at the antenna to acceptable levels while introducing less self-generated noise and distortions. The LNA design poses a unique challenge as it requires simultaneous optimization of various performance parameters like power gain, input matching, … …American Journal of Applied Sciences, Vol. 9, Issue 8 · 9 Jun 2012 · 7,400 accessesView PDFCite
Research ArticleOpen accessIn the abstractPower-Voltage Characteristics of Power System with the Short Transmission LinePrechanon KumkratugProblem statement: Power-Voltage curve provides very important information for voltage stability analysis. The exact short transmission line model consists of the resistance and reactance. The resistance causes in the active line loss. It is not easy task to achieve the power-voltage curve characteristics of power system with the exact short line model. Approach: This study applied the concept of the … …American Journal of Applied Sciences, Vol. 9, Issue 6 · 20 Mar 2012 · 7,457 accessesView PDFCite
Research ArticleOpen accessIn the abstractPower-Voltage Characteristics of Power System with the Medium Transmission LinePrechanon KumkratugProblem statement: Power-Voltage curve provides very important information for voltage stability analysis. The exact medium transmission line model consists of the resistance and the reactance. The resistance causes in the active line loss. It is not easy task to achieve the power-voltage curve characteristics of power system with the exact medium line model. Approach: This study applies the concept of … …American Journal of Applied Sciences, Vol. 9, Issue 6 · 19 Mar 2012 · 8,258 accessesView PDFCite
Research ArticleOpen accessIn the abstractNew Optical Splitter Design for Application in Fibre-to-the Home Passive Optical Network using Virtual Lab PlatformMohd Syuhaimi Ab-Rahman, Ainon Najahah Abdul Aziz, Aimi Amalin Khairuddin et al.Problem statement: In this study, authors present a new design of optical splitter to be applied in FTTH-PON named Multi Ratio Optical Splitter (MROS). MROS was introduced to enhance the power distribution in the optical network. Approach: We also bring in new approach for designing a new optical device that enable us to characterize and analyze the design from waveguide … …Journal of Computer Science, Vol. 8, Issue 6 · 16 Mar 2012 · 7,057 accessesView PDFCite
Research ArticleOpen accessIn the abstractImplementation of a Novel Control Strategy Using Fuzzy Logic Controller to Shunt Active Filter for Line Harmonic ReductionN. Senthilnathan, T. ManigandanProblem statement: Now days, power quality has been given attention due to the intensive use of power electronic equipments in all types of industries such as steel, paper, textile industries and so on. These power electronic devices induce harmonic distortion into the supply lines which gives rise to many undesirable effects. Approach: This study presents a new method for harmonic … …Journal of Computer Science, Vol. 8, Issue 5 · 29 Feb 2012 · 7,092 accessesView PDFCite
Research ArticleOpen accessIn the abstractNew Mersenne Number Transform Diffusion Power AnalysisM. F. Al-Gailani, S. BoussaktaProblem statement: Due to significant developments in the processing power and parallel processing technologies, the existing encryption algorithms are increasingly susceptible to attacks, such as side-channel attacks, for example. Designing new encryption algorithms that work efficiently on different platforms and security levels to protect the transmitted data from any possible attacks is one of the most important issues in today’s … …American Journal of Engineering and Applied Sciences, Vol. 4, Issue 4 · 12 Jan 2012 · 7,454 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Influences of Connectors and Adaptors to Fiber-To-The-Home Network PerformanceMohammad Syuhaimi Ab-Rahman, Mastang, Kasmiran JumariProblem statement: The reliability of the entire communications network was dependent on the reliability of each single element. Connector was important devices that can affect the performance of the fiber communication. There were a large number of issues that affect the performance of fiber optic connectors in today’s networks. These factors were increasingly as data rates, the number of wavelengths … …American Journal of Applied Sciences, Vol. 9, Issue 2 · 9 Dec 2011 · 7,187 accessesView PDFCite
Research ArticleOpen accessIn the abstractDigital Simulation, Design, Comparitive Analysis of Intelligent Controllers in Adjustable Speed Drives for PQ EnhancementA. Srikrishnan, B. Justus RabiProblem statement: This study deals with the analysis, design and comparison between fuzzy and genetic based adjustable speed drives with respect to the parameters which determines the quality of power. Approach: ASD system using fuzzy controllers provide ride-through capability during voltage sags, reduces harmonics, improves power factor and is highly reliable, whereas by using genetic algorithm optimized ASD systems, the … …American Journal of Applied Sciences, Vol. 9, Issue 1 · 21 Nov 2011 · 7,019 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffects of the Contact Resistivity Variations of the Screen-Printed Silicon Solar CellShahrul Anizan, Khairymazalee Yusri, Cheow Siu Leong et al.Problem statement: Unmatched combination of emitter and base contact resistance will influence the total performance of the solar cell. To optimize this combination, single crystalline silicon solar cell was analyzed using quasi-one-dimensional transport of electrons and holes in crystalline semiconductor, PC1D. Approach: Effects of the resistance of the emitter and base contact have been investigated with a view to find … …American Journal of Engineering and Applied Sciences, Vol. 4, Issue 3 · 18 Aug 2011 · 8,342 accessesView PDFCite