CONSTRUCTION OF A TRANSISTORIZED POWER REGULATOR (240 V)

CHAPTER ONE

                                                INTRODUCTION

1.1     TRANSISTORIZED POWER REGULATOR

According to Vinycomb (1957), a power regulator is an electronic instrument, which is specially designed to give a specific output voltage. In this project, the supply unit involved in this construction is meant to deliver an output voltage of 240 volts and a current of 0.2 amperes, it is designed to give a stable voltage and current which will help in carrying out the process in which the regulator is designed for. Some equipment are delicate air can be damaged by fluctuation of the power being supplied; this gives the knowledge of constructing a power regulator using a transistor and other electrical components.

Hence, the transistorized power regulator will stabilize the output of (AC) irrespective of the load output supply. Series of devices are connected in the output supply, to deep the voltage constant regardless of variation in the load current.

The basic action of a power regulator is its ability to automatically resist the change in current, in order to maintain a constant voltage.

1.2     STATEMENT OF PROBLEM

Power fluctuation and power leakage, interruption of power supply can cause series of problems in our devices, this destroys and renders the electrical appliances useless.

1.3     AIM AND OBJECTIVES OF THE STUDY

This project is aimed at the economic construction of a simple circuit device that will deliver a specific voltage and current, even if there is power disturbance, the device will have the ability to adjust to maintain the required output.

1.3     JUSTIFICATION OF STUDY

The motive of the seminar is centered on the fact that it is a theoretical realization of the work. This is achieved by using some electronic instrument which can be seen everywhere in out environment and market.

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