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160 results for “Power-Voltage (P-V)”

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Research ArticleOpen accessEvery word in the titleAnalysis of the Over-Voltages Produced by Lightning Strokes in the Power Transmission System in the Southern Region of Saudi ArabiaA. U. Al-Abdulaziz, S. M. Bashi, A. A. AlthubaitiThis study deals with the simulation of lightning strokes and their effects on power network in the southern region of Saudi Arabia. The network consists of main generating stations, substations and the power transmission lines. The transient performance of the system has been investigated using the EMTP (Electro Magnetic Transient Program). Some surges were introduced to the network as in … …American Journal of Applied Sciences, Vol. 3, Issue 3 · 31 Mar 2006 · 7,213 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleA Novel Method of Voltage Sag and Swell Estimation for Power System ApplicationsA. Vetrivel, Jovitha Jerome, N. MalmuruganThis study presents four simple mathematical models to build the voltage shape with the knowledge of few parameters and detects voltage sag and swells accurately. Fourier series, cubic polynomial, Rational functions and Sum of Sin functions are used in this study to model the voltage profile. A new algorithm is developed to detect sag or swell in all the four … …American Journal of Engineering and Applied Sciences, Vol. 6, Issue 2 · 4 Jul 2013 · 7,080 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleCoordination of Series and Shunt Flexible AC Transmission System Devices Based Voltage Source Converter for Improving Power System StabilityPrechanon KumkratugProblem Statement: Static Synchronous Compensator (STATCOM) and Static Synchronous Series Compensator (SSSC) have been individually applied to improve stability of power system. Approach: This study presents the coordination of a STATCOM and SSSC for improving power system stability. The swing curves of the three phase faulted power system with various cases are tested and compared. Results: The swing curve of … …American Journal of Applied Sciences, Vol. 8, Issue 5 · 17 May 2011 · 7,065 accessesView PDFCite
Research ArticleOpen accessIn the keywordsDesign of a Low Power and High Speed Comparator using MUX based Full Adder Cell for Mobile CommunicationsG. Ramana Murthy, Ajay Kumar Singh, P. Velraj Kumar, Tan Wee Xin WilsonThis paper presents an implementation of comparator (1-bit) circuit using a MUX-6T based adder cell. MUX-6T full adder cell is designed with a combination of multiplexing control input and Boolean identities. The proposed comparator design features higher computing speed and lower energy consumption due to the efficient MUX-6T adder cell. The design adopts multiplexing technique with control input to alleviate … …American Journal of Applied Sciences, Vol. 14, Issue 1 · 16 Jan 2017 · 8,251 accessesView PDFCite
Research ArticleOpen accessIn the keywordsEMBEDDED CONTROLLED MULTI LEVEL VOLTAGE SOURCE INVERTER BASED DISTRIBUTION STATICS SYNCHRONOUS COMPENSATORP. Venkata Kishore, S. Rama ReddyThis study deals with the D-STATCOM used as a shunt connected compensator for the voltage support. The D-STATCOM has a faster response as compared with the conventional compensators such as the synchronous condenser and the SVC. The D-STATCOM can provide voltage support and improve power quality. The D-STATCOM supplies reactive power to the load to improve the voltage stability of … …American Journal of Applied Sciences, Vol. 11, Issue 8 · 5 May 2014 · 6,818 accessesView PDFCite
Research ArticleOpen accessIn the keywordsStability Analysis of Solar Cell Characteristics Above Room Temperature Using Indium Nitride Based Quantum DotMohd Abdur Rashid, Adawati Yusuf, Md. Abdullah Al Humayun et al.This study represents the improvement of stability of solar cell characteristics above room temperature. We have analyzed theoretically the temperature dependence of three major characteristics of solar cell using Ge and InN based quantum dot in the active layer of the device structure. Among the major characteristics of solar cell we have investigated the rate of change of open circuit … …American Journal of Applied Sciences, Vol. 10, Issue 11 · 9 Sep 2013 · 7,127 accessesView PDFCite
Research ArticleOpen accessIn the keywordsArtificial Neural Network Controller Based Distribution Static Compensator for Voltage Sag MitigationD. Rajasekaran, Subhransu Sekhar Dash, Arun Bhaskar Mayilvaganan et al.Switching of loads, capacitors, along with the proliferation of power electronics equipment, non-linear loads in industrial, commercial and domestic applications have lead to power quality issues in the distribution system. Power quality issues such as voltage sag, voltage swell and harmonics, which are certainly major concerning issues in the present era. These issues can lead to failure or malfunction of … …American Journal of Applied Sciences, Vol. 10, Issue 7 · 21 Jun 2013 · 6,955 accessesView PDFCite
Research ArticleOpen accessIn the keywordsVoltage Stability of Medium Transmission Line Equipped with a Thyristor Controlled Series CapacitorPrechanon 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 an easy task to achieve the power-voltage curve characteristics of power system with the exact medium line model equipped with a. Thyristor Controlled Series … …American Journal of Applied Sciences, Vol. 9, Issue 10 · 16 Aug 2012 · 7,021 accessesView PDFCite
Research ArticleOpen accessIn the keywordsVoltage 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 · 6,971 accessesView PDFCite
Research ArticleOpen accessIn the keywordsDesign and Simulation of a Soft Switched Dc Boost Converter for Switched Reluctance MotorX. Felix Joseph, S. Pushpa KumarProblem statement: This study presents the design and simulation of a soft switched boost converter for a switched reluctance motor with a closed loop controller. A soft switching scheme is proposed in the converter with minimum components, which reduces the switching loss and stress across the switch so that the harmonic generation is reduced in the output. The switch used … …American Journal of Applied Sciences, Vol. 9, Issue 3 · 2 Feb 2012 · 7,176 accessesView PDFCite