Pulse Based Dead Time Compensator for PWM Voltage Inverters



I. Introduction
The state of the art in motor control provides an adjustable
voltage and frequency to the terminals of the motor
through a pulse width modulated (PWM) voltage source inverter
drive. As the power devices change switching states,
a dead time exists. Although the dead time is short, it
causes deviations from the desired fundamental output voltage.
While each deviation does not appreciably affect the
fundamental voltage, the ac ....etc

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To get full information or details of microcontroller based static var compensator please have a look on the pages

http://seminarsprojects.net/Thread-voltage-stability-improvement-using-static-var-compensator-in-power-systems

http://seminarsprojects.net/Thread-implementation-of-static-var-compensator-for-improvement-of-power-system-stability

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to get information about the topic static var compensatorfull report ppt and related topic refer the page link bellow

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http://seminarsprojects.net/Thread-implementation-of-static-var-compensator-for-improvement-of-power-system-stability ....etc

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Prepared by:
Debashish Mishra




BACKGROUND

The significance of power factor (PF) correction is reflected in the large number of documents addressing this subject, in the engineering design effort, and in the numerous industrial plants that manufacture equipment for the control of reactive power and filtering of current harmonics . Some of the benefits derived from correct PF adjustment are:
1. reduced energy loss;
2. released generation, transmission, distribution, and substation capa ....etc

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send ckt for ssc. working system with ssc and without ssc. ....etc

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we are having voltage control using static var compensator based on particle on swarm optimization so i request for your help.
we are having major project on voltage control using static var compensator based on particle swarm optimization.so i request for your hely. ....etc

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A static VAR compensator is a set of electrical devices for providing fast-acting reactive power on high-voltage electricity transmission networks. SVCs are part of the Flexible AC transmission system device family, regulating voltage, power factor, harmonics and stabilizing the system. ....etc

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To get full information or details of paper presentation on power flow control by synchronous voltage source please have a look on the pages

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static synchronous series compensator nptel paper pdf

Introduction

The two major problems that the modern power systems are facing are voltage and angle stabilities. There are various approaches to overcome the problem of stability arising due to small signal oscillations in an interconnected power system. As mentioned in the previous chapter, installing power system stabilizers with generator excitation control system provides damping to these oscillations. However, with the advancement in the power electronic technology, various reactive po ....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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