1.1 Introduction:
Energy is required in various forms to do useful works, continuous improvement in the standard of living in any society. Energy sources therefore have to be explored, developed and managed to enhance industrial progress, National security and financial stability of nation. The electrical energy is exclusively generated, transmitted and distributed in the form of alternating current. Most of the burden are inductive in nature and hence, have low lagging power factor. This low power factor is highly ....etc

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Presented by:
BHOGARAJU RAVALI


A NEW METHOD FOR POWER QUALITY IMPROVEMENT IN CLASSICAL AC/AC VOLTAGE CONTROLLER USING PWM TECHNIQUE
INTRODUCTION
AC voltage controllers, allow controlling the output voltage only, while the output frequency is the same as the input frequency.
AC voltage controllers are widely used to obtain variable AC voltage from fixed AC source. Triacs or thyristors are usually employed as the power control elements of such controllers.
Advantages include simplicity and ability of cont ....etc

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AUTOMATION IN POWER FACTOR IMPROVEMENT USING PROGRAMMABLE INTERFACE CONTROLLER
INTRODUCING THE TOPIC
Definition of power factor.
Definition of power factor correction.
Leading and lagging power factors.
Importance of power factor to be unity.
OBJECTIVES OF THIS PROJECT
To counteract the undesirable effects of electric loads that create a power factor that is less than one.
To improve the stability and efficiency of transmission network.
Monitoring the power factor changes using PIC and LCD in real ....etc

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Abstract-
A pulse skipping control strategy is proposed to improve efficiency of grid-tied inverters at light loads. To maximize the efficiency of pulse skipping operation mode, three key parameters are identified and optimized based on a loss model, which is developed to find the maximal efficiency points using a three-dimensional search technique. A 200W prototype inverter was setup to verify the proposed control strategy. The experimental results show that the proposed pulse skipping control strategy greatly impr ....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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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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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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sir i want a ieee paper on Power quality improvement of unbalanced power system with distributed generation units ....etc

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presented by:
Miss. Ankita B. Bahure
Miss. Arti S. Sathawane
Mr. Rohan R. Nibrad


POWER QUALITY AND IMPROVEMENT
ABSTRACT:-
Electrical Energy is the life stream of progress for any nation and it is all the more vital in a developing country like INDIA. The energy in electrical form is most widely used since it can be converted into any other form efficiently. A power System Network consists of variety of apparatus for generation, Transmission and distribution spread over a large area serving to number of con ....etc

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Efficiency Improvement of WCDMA Base Station Transmitters using Class-F power amplifiers


Muthuswamy Venkataramani



(ABSTRACT)
Universal Mobile Telecommunications Systems (UMTS) is the preferred third generation (3G) communication standard for mobile communications and will provide worldwide coverage, a convenient software technology and very high data rate. The high data rate, especially, requires the use of bandwidth-efficient modulation schemes such as Quadrature Phase Shift Keying (QPSK). But ....etc

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