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DESIGN AND FABRICATION OF ELECTRONIC IGNITION SYSTEM

 



BY
 
EGBUDIWE INNOCENT .N
EE/2007/181
 
BEING A PROJECT SUBMITTED IN PARTIAL FULFILMENT OF THE REQUIREMENT FOR THE AWARD OF BACHELOR OF ENGINEERING (B.ENG) DEGREE IN ELECTRICAL/ELECTRONIC ENGINEERING CARITAS UNIVERSITY, AMORJI-NIKE ENUGU.

   
AUGUST 2017
      

 

CERTIFICATION

This is to certify that this work was carried out by, EGBUDIWE .N. INNOCENT of the department of Electrical/Electronic Engineering, Caritas University Amorji-nike, Enugu.
 
___________________                                   Date: _____________

Engr. E.C. Aneke 

Project Supervisor

___________________                                  Date: ________________ 
Engr. C.O Ejimofor 
Head of Department
 
__________________                                   Date: ________________
External supervisor                                              
 

DEDICATION

The work is dedicated to the almighty God who with all his conglomerate efforts made my dream come true.


ACKNOWLEDGEMENT

My Profound gratitude goes to God Almighty who gave me good health and the strength throughout the period of this project. To my parents and siblings, I say a very big thank you for your financial and moral support during and after the completion of this project. 

My special thanks also go to my supervisor Engr. E.C Aneke and together with all other lecturers of the department.

 

ABSTRACT

The need for higher mileage, reduced emissions and greater reliability has led to the development of the electronic ignition systems. These systems generate a much stronger spark which is needed to ignite leaner fuel mixtures. Breaker point systems needed a resister to reduce the operating voltage of the primary circuit in order to prolong the life of the points. The primary circuit of the electronic ignition systems operates on full battery voltage which helps to develop a stronger spark. Spark plug gaps have widened due to the ability of the increased voltage to jump the larger gap. Cleaner combustion and fewer deposits have led to longer spark plug life.

Essentially, all electronic ignition systems operate in the following manner: With the ignition switch turned on, primary (battery) current flows from the battery through the ignition switch to the coil primary windings. Primary current is turned on and off by the action of the armature as it revolves past the pickup coil or sensor. As each tooth of the armature nears the pickup coil, it creates a voltage that signals the electronic module to turn off the coil primary current. A timing circuit in the module will turn the current on again after the coil field has collapsed. When the current is off, however, the magnetic field built up in the coil is allowed to collapse, which causes a high voltage in the secondary windings of the coil. It is now operating on the secondary ignition circuit, which is the same as in a conventional ignition system.

 

 

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