Conventional Ignition System

The function of the ignition system basically only converts electrical energy into sparks. This spark is obtained from electron jumps in a conductor which has a high potential difference. To obtain a high potential difference, the voltage that flows through the conductor must have a super high voltage.

Meanwhile, the maximum voltage of the vehicle is only 12 V. Then, how do you get this high-voltage electricity?

Ignition Coil plays a role in increasing voltage

In the ignition system, there is one component that is vital, namely the ignition coil. Also from this component, the spark process can take place.

The way the ignition coil works is similar to a step up transformer, where there are two coils that have a different number of turns. In order for the voltage to rise, the secondary coil windings must be more than the primary coil.

However, there are differences in the induction system. If the step up transformer, it increases the voltage constantly. While in the ignition system, the spark plug only lights up once in one cycle. This means that the induction on the ignition coil takes place at intervals.

Ignition Coil Construction

Induction on the coil, will take place precisely when the current in the primary coil is eliminated (lost). Seen in the picture, if the secondary coil is located in the primary coil.

So that when the current in the primary coil is suddenly removed it will make the movement of the magnetic force inward. This movement will hit the secondary coil which keeps getting current, so that the voltage on the secondary coil can rise.

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