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Ignition Systems PDF

The document discusses different ignition systems used in vehicles including battery ignition, magneto ignition, and electronic ignition. It notes that battery ignition and magneto ignition require regular maintenance due to arcing at contact points. Electronic ignition systems do not have moving parts so they require no maintenance, do not have arcing at contact points, increase spark plug life, improve fuel combustion, provide more power output, and greater fuel efficiency compared to conventional ignition systems.

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206 views9 pages

Ignition Systems PDF

The document discusses different ignition systems used in vehicles including battery ignition, magneto ignition, and electronic ignition. It notes that battery ignition and magneto ignition require regular maintenance due to arcing at contact points. Electronic ignition systems do not have moving parts so they require no maintenance, do not have arcing at contact points, increase spark plug life, improve fuel combustion, provide more power output, and greater fuel efficiency compared to conventional ignition systems.

Uploaded by

Anonymous p2vfijn
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Ignition Systems

HARDEEP SINGH
ASSISTANT PROFESSOR
Requirements of Ignition system

• Accurate Timing

• Proper duration of spark

• Efficient with all range of speed

• Reliable system
Battery Ignition System
Working
Magneto ignition system
Comparison Between Battery Ignition and Magneto Ignition System
Need for Electronic ignition system

(a)Because of arcing, pitting of contact breaker point and which will lead to

regular maintenance problems.

(b) Poor starting : After few thousands of kilometers of running, the timing

becomes inaccurate, which results into poor starting (Starting trouble).

(c) At very high engine speed, performance is poor because of inertia effects of

the moving parts in the system.

(d) Some times it is not possible to produce spark properly in fouled spark plugs.
Advantages of Electronic Ignition system
(a) Moving parts are absent-so no maintenance.

(b) Contact breaker points are absent-so no arcing.

(c) Spark plug life increases by 50%.

(d) Better combustion in combustion chamber, about 90-95% of air fuel

mixture is burnt compared with 70-75% with conventional ignition system.

(e) More power output.

(f) More fuel efficiency.


Electronic Ignition system

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