Description
ABSTRACT
As technological advancement has been on the increase in our society many have fallen in love with technology and world want to have a feel in virtually to every thing they do.
An Automatic Changeover Switch switches off the generator and automatically changes over to NEPA. An Automatic Changeover Switch will automatically switch off your generator and change over to MAIN ( Public power supply/NEPA) on resumption.
A design has been made in combination of electrical and electronics to change over from one power sources to the other automatically and trip off generator using a remote, and this remote can ON/OFF a generator from a far distance
CHAPTER ONE
INTRODUCTION
1.1 BACKGROUND OF THE STUDY
This project is on the design and co of automatic change over and how it can be used to change from one power sources to the other automatically. The design comprises some arrangement that senses the power failure form either of the power sources and drives the electro mechanical switching device (relay) that is capable of changing two poles (live and neutral) to give out light or be on stand by to generator side.
Power instability or outage in general does not promote development in the public and private sector. The investors do not feel secure to come into a country with constant or frequent power failure. These limit the development of industries. In addition, there are processes that cannot be interrupted because of their importance for instance, surgery operation in hospitals, transfer of money between banks and lots more. Power instability and outage in developing countries (Nigeria) creates a need for alternative sources of power to backup the mains supply.
Automatic changeover switches find a wide application scope wherever the reliability of electrical supply from the utilities is low and it is used in lighting/motor circuits wherever continuity of supply is necessary, for switching to an alternative source from main supply and vice versa.
Electronic components such as relay transformer diodes were used thereby making the project less expensive for the implementation of the project and commercial application.
Moreover, the cost suitability and availability of the required components for the project circuitry were some of the major factors considered by the designer
- AIM/OBJECTIVES
To design a circuit that will automatically change over from main power supply (PHC) to power generating set and vice versa, and using a remote control to ON/OFF the generator set with the help of electro mechanically switching device that is being controlled by electronics component
- SCOPE/SIGNIFICANCE
This project design can be used to transfer power sources to the other automatically. The design could also be used in other application apart from changing power sources once there is a well though arrangement
- PROJECT REPORT ORGANIZATION
The project report has been organized into five chapters for orderliness and easy understanding of the information on the report design.
Chapter one contains introduction design objectives/aim scope/significance of the report and report organization
Chapter two dealt on system component analysis literature review and theories/modules of design.
Chapter three contains the system design description of the system building blocks system specification block diagram and the description of the overall operation of the system.
Chapter four describes the implementation testing and results of the project.
Chapter five finally dealt on the cost analysis calculation and recommendation for further improvement and ended with a page for references .
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