Presented by
Ahmed A. Helal


DVR Design Procedure
The design procedure can be divided into
 The power circuit design
 The control Algorithm
The power circuit is composed of;
 Injection transformers
 Filter
 inverter
 DC source
The following data are the same for the simulation and the practical system;
 Source: Vs = 110 V (line to line)
Zs = 1.3 Ω
 Load: three phase balanced load 120 Ω per phase
 Filter: L = 370 µH
C = 90 µF
 Injection transforme ....etc

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Presented by
Sariga V.P.
Kamini K.Shivalkar
Yogesh Bhumarkar


ABSTRACT
Power quality is one of major concerns in the present era. It has become important, especially, with the introduction of sophisticated devices, whose performance is very sensitive to the quality of power supply that results in a failure of end use equipments. One of the major problems dealt here is the voltage sag.
To solve this problem, custom power devices are used. One of those devices is the Dynamic Volt ....etc

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DYNAMIC VOLTAGE RESTORER
Power Quality (PQ) is an important measure of an electrical power system. The term PQ means to maintain purely sinusoidal current wave form in phase with a purely sinusoidal voltage wave form. The power generated at the generating station is purely sinusoidal in nature. The deteriorating quality of electric power is mainly because of current and voltage harmonics due to wide spread application of static power electronics converters, zero and negative sequence components originated b ....etc

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I am a lecturer in Engineering college and some student wants to help and they wants to do work with me.. so i wanted to help those students.. ....etc

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