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Utilities of SVC controller in transmission line are many: SVC is shunt connected static generator/absorber. Static VAR compensated FACTS device are the most important device and have been used for a number of years to improve voltage and power flow through the transmission line by resolving dynamic voltage problems. Keywords Transient stability,FACTS ,9bus system devices, Matlab/ Simpower system. The TCSC is modified by a variable capacitor, the value of which changes with the firing angle. Their are exists many FACTS controllers to control firing angle of TCSC and transient stability margin. Fixed compensation is adopted on various lines and optimal location is investigated using trajectory sensitivity analysis for better result. Series compensation (TCSC) device has been used here and the result highlighted the effectiveness of the application of TCSC in improving the transient stability of power system. In this paper in order to improve the transient stability margin further series FACTS devices has been implemented. In this paper ,the studies has been carried out in order to improve the transient stability improve the transient stability of IEEE9 bus system with fixed compensation on various line and optimal location has been investigated using trajectory sensitivity analysis for better result. The experiments conducted the facts devices contribute to power flow improvement besides they extend their services in stability improvement as well. To improve transient stability their exists some general method like fast acting exciters ,circuit breakers and reduction in system transfer reactance ,but the recent trend is to employ FACTS device for effective utilization of existing transmission resources. The concept of transient stability which is a function of operation condition disturbances deal with the ability of the system to remain intact after being subject to abnormal deviation. Head of Department, Electrical Engineering Abha Gaikwad Patil College of Engineering Mohgaon,Wardha Road, Nagpur, India.ĪbstractStability is a fundamental concept which is responsible for the stable operation of power system. PG Student, Electrical Engineering Abha Gaikwad Patil College of Engineering Transient Stability Study in IEEE9 Bus System and Compensating using TSCS
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