نتایج جستجو برای: sssc

تعداد نتایج: 265  

2011
K. Subbaramaiah V. C. Jagan Mohan V. C. Veera Reddy

This paper presents the modelling and simulation of Static Synchronous Series Compensator (SSSC) in a two area system for Automatic Generation Control (AGC) under deregulated environment. The modelling of Thyristor Controlled phase Shifter (TCPS) is also carried out and comparison is made between SSSC and TCPS. A two area hydrothermal system under deregulated environment has been considered for...

2010
Sidhartha Panda N. P. Padhy

The application of a Static Synchronous Series Compensator (SSSC) controller to improve the transient stability performance of a power system is thoroughly investigated in this paper. The design problem of SSSC controller is formulated as an optimization problem and Particle Swarm Optimization (PSO) Technique is employed to search for optimal controller parameters. By minimizing the time-domain...

Journal: :Stroke 2013
Javier M Romero H Bart Brouwers Jingjing Lu Josser E Delgado Almandoz Hillary Kelly Jeremy Heit Joshua Goldstein Jonathan Rosand R Gilberto Gonzalez

BACKGROUND AND PURPOSE Intracerebral hemorrhage (ICH) results in high mortality and morbidity for patients. Previous retrospective studies correlated the spot sign score (SSSc) with ICH expansion, mortality, and clinical outcome among ICH survivors. We performed a prospective study to validate the SSSc for the prediction of ICH expansion, mortality, and clinical outcome among survivors. METHO...

2012
M. Thangavel

The power system network is becoming more complex nowadays and it is very difficult to maintain the stability of the power system. The main purpose of this paper proposes a 12-pulse based Static Synchronous Series Compensator (SSSC) with and without Superconducting Magnetic Energy Storage (SMES) for enhancing the voltage stability and power oscillation damping in multi area system. Control sche...

2012
RAVI BALAM

The paper investigates the dynamic operation of both static synchronous compensator (STATCOM) and static synchronous series compensator (SSSC) based on a new full model comprising a 48pulse gate turn off thyristor voltage source converter for combined reactive power compensation and voltage stabilization of the electrical grid net work. The complete digital simulation of the STATCOM and SSSC wi...

2012
Somayeh Hajforoosh Seyed M. H Nabavi Mohammad A. S. Masoum

Social welfare maximization in a double-sided auction market is performed by implementing an aggregation-based particle swarm optimization (CAPSO) algorithm for optimal placement and sizing of one Static Synchronous Series Compensator (SSSC) device. Dallied simulation results (without/with line flow constraints and without/with SSSC) are generated to demonstrate the impact of SSSC on the conges...

2010
M. Rajaram

This paper presents a novel development of neuro-fuzzy coordination between Static synchronous series compensators (SSSC) to damp the oscillations in a multi-machine power system. The oscillations in power systems have to be taken a serious note of when the fault occurs in any part of the system, else this might lead to the instability mode and shutting down of the power system. The SSSC based ...

2010
S. Padma R. Lakshmipathi

In this study, a fuzzy gain scheduled proportional and integral (FGPI) controller was developed to regulate the power flow regulation of Static Synchronous Series Compensator (SSSC) in a multi-area power system. Also, this FGPI was developed for the SSSC without and with Superconducting Magnetic Energy Storage (SMES) system. Two performance criteria were utulized for the comparison. First, sett...

2017
D. Murali

The low frequency electromechanical oscillations have been observed in many power systems and have resulted in system separation on several occasions. The main objective of this paper is to damp out the power angle oscillations of a two-area power system using Power System Stabilizers (PSSs) and Static Synchronous Series Compensator (SSSC) controllers. In this paper, the damping performances of...

2013
Gayadhar Panda

This paper proposes a new genetic based approach for optimal selection to damp power system oscillations by a Static Synchronous Series Compensator (SSSC) based controller. The design problem of the proposed controller is formulated as an optimization problem and modified Genetic Algorithm (MGA) is employed to search for the optimal controller parameters. The performances of the proposed contro...

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