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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 keywordsThe Mathematical Model and Simulation of Static Var Compensator in Medium Transmission LinePrechanon KumkratugProblem statement: The Static Var Compensator (SVC) have been widely investigated its effect on transient stability of Single Machine Infinite Bus (SMIB) system. The exact medium transmission line model in power system consists of the series resistance series reactance and shunt capacitance. It is not easy task to obtain the mathematical model of the SVC with the exact medium transmission … …American Journal of Applied Sciences, Vol. 9, Issue 5 · 12 Mar 2012 · 7,393 accessesView PDFCite
Research ArticleOpen accessIn the keywordsThe Mathematical Model of Power System with Thyristor Controlled Series Capacitor in Long Transmission LinePrechanon KumkratugProblem statement: It is becoming increasingly important to fully utilize the existing transmission system assets due to environmental legislation, rights-of-way issues and costs of construction and deregulation policies that introduced in recent years. The Thyristor Controlled Series Capacitor (TCSC) has been proposed for the better control power flow and dynamic performance. The exact long transmission line model consists of the … …American Journal of Applied Sciences, Vol. 9, Issue 5 · 27 Feb 2012 · 6,833 accessesView PDFCite
Research ArticleOpen accessIn the keywordsThe Mathematical Model and Simulation of Thyristor Controlled Series Capacitor in Medium Transmission LinePrechanon KumkratugProblem statement: It is becoming increasingly important to fully utilize the existing transmission system assets due to environmental legislation, rights-of-way issues, costs of construction and deregulation policies that introduced in recent years. The Thyristor Controlled Series Capacitor (TCSC) has been proposed for the better control power flow and dynamic performance. The exact medium transmission line model consists of the resistance … …American Journal of Applied Sciences, Vol. 9, Issue 4 · 9 Feb 2012 · 7,718 accessesView PDFCite
Research ArticleOpen accessIn the keywordsThe Effect of the Static Var Compensator and R/X Ratio of Short Transmission Line on Transient Stability of Single Machine Infinite Bus SystemPrechanon KumkratugProblem statement: It is becoming increasingly important to fully utilize the existing transmission system assets due to environmental legislation, rights-of-way issues and costs of construction and deregulation policies that introduced in recent years. The Static Var Compensator (SVC) has been proposed for the better control power flow and dynamic performance. The exact short transmission line model consists of the resistance … …American Journal of Applied Sciences, Vol. 9, Issue 4 · 7 Feb 2012 · 6,984 accessesView PDFCite
Research ArticleOpen accessIn the keywordsThe Effect of Thyristor Controlled Series Capacitor on Transient Stability of Single Machine Infinite Bus System with the Exact Short Transmission Line ModelPrechanon KumkratugProblem statement: It is becoming increasingly important to fully utilize the existing transmission system assets due to environmental legislation, rights-of-way issues, costs of construction and deregulation policies that were introduced in recent years. The Thyristor Controlled Series Capacitor (TCSC) has been proposed for better control power flow and dynamic performance. The exact short transmission line model consists of the resistance … …American Journal of Applied Sciences, Vol. 9, Issue 3 · 2 Feb 2012 · 7,466 accessesView PDFCite
Research ArticleOpen accessIn the keywordsTransient Stability of the Power System with the Exact Long Transmission Line ModelPrechanon KumkratugProblem statement: The exact long transmission line model consists of the lump of the series resistance, reactance and shunt capacitance. With the consideration the actual long transmission line model, it causes in the difficulty of deriving the mathematical model. Approach: This study investigates the transient stability of power system with consideration the exact long transmission line model. The concept of … …American Journal of Applied Sciences, Vol. 9, Issue 3 · 24 Jan 2012 · 6,853 accessesView PDFCite
Research ArticleOpen accessIn the keywordsInvestigating the Critical Clearing Time of Power System with the Exact Medium Transmission Line ModelPrechanon KumkratugProblem statement: The exact medium transmission line model consists of the resistance, series reactance and shunt capacitance. Most of previous research studies show the critical clearing time of single machine infinite bus while neglecting the resistance and capacitance of the line. Approach: This study investigates the critical clearing time of power system with consideration the exact medium transmission line mode. … …American Journal of Applied Sciences, Vol. 9, Issue 3 · 23 Jan 2012 · 7,411 accessesView PDFCite
Research ArticleOpen accessIn the keywordsInvestigation of the Critical Clearing Time of Power System with Synchronous Machine Model Including SaliencyPrechanon KumkratugProblem statement: Most of synchronous generator applied in power system is the salient pole type. Most of previous researches use non-salient model to evaluate the critical clearing time. Thus the results of critical clearing time of power system may be error. Approach: Thus this paper investigate the critical clearing time of power system with synchronous machine. The mathematical model of … …American Journal of Applied Sciences, Vol. 9, Issue 2 · 21 Dec 2011 · 7,481 accessesView PDFCite
Research ArticleOpen accessIn the keywordsPower Quality Analysis in 6 MW Wind Turbine Using Static Synchronous CompensatorR. Valarmathi, A. ChilambuchelvanProblem statement: An inherent problem with wind turbine power generation systems is the low power quality due to intermittent power generation in these systems. This not only affects the power generation but also the grid it is connected to. Approach: In this study a configuration consisting of a 6MW Wind Farm based on conventional Fixed Speed Induction Generator is analyzed. … …American Journal of Applied Sciences, Vol. 9, Issue 1 · 23 Nov 2011 · 7,232 accessesView PDFCite