Feedback linearization method for improvement of power systems transient stability
MINI PROJECT


ABSTRACT
Feedback linearization is a common approach used in controlling nonlinear systems. The approach involves coming up with a transformation of the nonlinear system into an equivalent linear system through a change of variables and a suitable control input. It is done by algebraically transforming non-linear system dynamics into a linear one so that linear control techniques can be applied. The canonical form and the general form ....etc

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Abstract
Static VAR compensator (SVC) is incorporated inNewton Raphson method in which Power Flow Solution is a solution ofthe network under steady state conditions subjected to certainconstraints under which the system operates. The power flow solutiongives the nodal voltages and phase angles given a set of power injectionsat buses and specified voltages at a few, both the models of SVC i.e.SVC Susceptance and Firing Angle Models are discussed. It is alsoshown that the power system losses are decreased after incorporatingthe SVC in th ....etc

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Abstract
Analysis of stability is essential for power systemplanning and stable operation. The results of transient andsteady-state stability studies depend on the appropriatechoice of load models. This study investigates modelingissues of the induction motors that are used as a dynamicpart of load models. Due to its superiority, we propose theapplication of the rotor speed frame based model ofinduction motors instead of a system frequency frame basedmodel in power system stability simulations. A comparativestudy of steady-state stabi ....etc

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Power System Small-Signal Oscillation Stability
as Affected by Large-scale PV Penetration



W. Du, H. F. Wang, and R. Dunn



Abstract —

This paper investigates the impact of a large photovoltaic (PV) penetration on power system small signal oscillation stability. A comprehensive model of a single-machine infinite-bus power system integrated with a PV power generation power plant is established. Numerical computation of damping torque contribution from the PV power plant is carried out, wh ....etc

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Presented By
PRANAMITA BASU
AISWARYA HARICHANDAN
National Institute of Technology Rourkela
Under the guidance of PROF. P.C. PANDA

ABSTRACT
The stability of an interconnected power system is its ability to return to normal or stable operation after having been subjected to some form of disturbance. With interconnected systems continually growing in size and extending over vast geographical regions, it is becoming increasingly more difficult to maintain synchronism between various parts of the power system.
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my project aim is to improve the first swing stability limit..
i need information about how to reduce the bus admittance matrix to machine internal bus, how to create fault on multimachine power system, how to solve swing equation of multimachine power system using matlab coding ....etc

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Voltage Stability Improvement using Static Var Compensator in Power Systems

Abstract This paper investigates the effects of Static Var Compensator (SVC) on voltage stability of a power system. The functional structure for SVC built with a Thyristor Controlled Reactor (TCR) and its model are described. The model is based on representing the controller as variable impedance that changes with the firing angle of the TCR. A Power System Computer Aided Design /Electromagnetic Transients including DC (PSCAD/EMTDC) is used to ....etc

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POWER SYSTEM STABILITY:
NEW OPPORTUNITIES FOR CONTROL1

Anjan Bose
Washington State University
Pullman, WA 99164-2714



Abstract
The electric power generation-transmission-distribution grid in developed countries constitutes a large system that exhibits a range of dynamic phenomena. Stability of this system needs to be maintained even when subjected to large low-probability disturbances so that the electricity can be supplied to consumers with high reliability. Various control methods and ....etc

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Abstract

A transmission line trip during a power swing may cause instability of a power system. It is necessary to recognize the power swing from fault. Based on stability boundary, the power swing blocking relays must be set. To do that, first power swing should be analyzed. Second a way of probability of occurrence of fault must be found. Third, the critical condition under which the stability of a power system hasn’t been disturbed is recognized. Finally the settings of the power swing relays are calculated. In this paper analys ....etc

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