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Modeling and Simulation of DVR

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. Power quality problem is an occurrence manifested as a nonstandard voltage,
current or frequency that results in a failure of end use equipments. One of the major problems
dealt here is the power sag.
To solve this problem, custom power devices are used. One of those devices is the Dynamic
Voltage Restorer (DVR), which is the most efficient and effective modern custom power device
used in power distribution networks. Its appeal includes lower cost, smaller size, and its fast
dynamic response to the disturbance. This paper presents modeling, analysis and simulation of a
Dynamic Voltage Restorer (DVR) using MATLAB. In this model a PI controller and Discrete
PWM pulse generator was used.



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Thu, 07/04/2011 - 00:28

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