Regulador de voltaje

Páginas: 4 (797 palabras) Publicado: 5 de junio de 2011
Voltage regulators

Eder Josimar Fernandez Aceves
Juan Manuel Gonzalez Heredia
Gustavo Cesar Medina Castañeda
Jose Abraham Villeda Delgado
Universidad Autónoma de Aguascalientes
Centro deCiencias Básicas
Ingeniería en Sistemas Computacionales 8°B


The objective of this practice is to understand better the voltage regulator (the operation of this one), applications andreasoning for its own operation.

1. Introduction
A voltage regulator is an electrical regulator designed to automatically maintain a constant voltage level. A voltage regulator may be a simple"feed-forward" design or may include negative feedback control loops. It may use an electromechanical mechanism, or electronic components. Depending on the design, it may be used to regulate one or more AC orDC voltages.
Electronic voltage regulators are found in devices such as computer power supplies where they stabilize the DC voltages used by the processor and other elements. In automobilealternators and central power station generator plants, voltage regulators control the output of the plant. In an electric power distribution system, voltage regulators may be installed at a substation or alongdistribution lines so that all customers receive steady voltage independent of how much power is drawn from the line.
Operating principles
There are several types of controllers on the market,which are classified according to the principle of regulation or technology they use. The most important are:
* Electromechanical regulators base their operating principle in a columnautotransformer, which is available on a cursor driven by a servomotor, which in their course add or subtract turns. This self-adjusting movement is controlled by an electronic command that is activated wheneverthe output voltage deviates from its calibration value, automatically adjusting and thus remains permanently stable output voltage, slow response to changes fast voltage. The advantages of this...
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