Voltage Regulator an electronic equipments...

Most of the electronic equipments require constant voltage for their circuit operation and for which a device was designed known as Voltage Regulator. It delivers a constant voltage level to a circuit where large variation in the input voltage and load current occurs or where voltage fluctuation difference in supply voltage vary up to large extent. Voltage Regulator is mainly two types.

1. Linear Voltage Regulator: - These are the regulators which are used between a supply and the load. They provide a constant voltage by varying its effective resistance.


2. Switching Voltage Regulator: - Such regulators transform the supply into an alternating current by using a switching element, which is then converted into a different voltage with the help of capacitors, inductors etc. and again converted back to DC.

Now let’s say about the market prospects of voltage regulator. There would be a steady growth in the future for voltage regulator due to the use of more transistors switches specially IGBT and microprocessors. Therefore, a big change in the project applications utilizing electronic designes has increased the demand of Voltage Regulators. There are some African and Middle East countries where the power supply is not appropriate and useful due to its bad quality. Such factors have really enhanced the future prospects of Voltage Regulators.

Moreover, the improvement in the infrastructure of developed nations and exporting their product to developing nations like Asian Pacific countries have increase the awareness on electronic design which showed a positive impact on the overall market of Voltage Regulators. Another important factor is the fluctuation in the power supply which is very less in the developed nations like North America and Europe that is only 5%. But if we compare that with the other developing countries like Asia Pacific and Rest-of-World, for example, it comes in the range of 10 to 20 % and the voltage fluctuation of more than 10% is harmful for any equipment which connected to the power supply.

Author: Bruce Staplez (Component Engr.)

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