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Principle of platinum ignition high voltage coil

Features: Ignition coils generally have two groups of coils: primary coil and secondary coil. The primary coil usually consists of 0.5- 1 mm enamelled wire wound for 200-500 turns. Generally, the enameled wire of the secondary coil is about 15000-25000 turns, and the enameled wire is about 0.1mm. One end of the primary coil is connected to the positive power supply on the vehicle, and the other end is connected to the switch device (off).

Principle and characteristics of platinum ignition high-voltage coil: Generally, ignition coil has two groups of coils: primary coil and secondary coil. The primary coil is usually composed of 0.5- 1mm enameled wire wound for 200-500 turns. Generally, the enameled wire of the secondary coil is about 15000-25000 turns, and the enameled wire is about 0.1mm. One end of the primary coil is connected to the positive power supply on the vehicle, and the other end is connected to the switching device (circuit breaker).

One end of the secondary coil is connected with the primary coil, and the other end is connected with the output end of the high-voltage line to output high-voltage electricity.

Principle: when the primary coil is energized, with the increase of current, a strong magnetic field is generated around it, and the iron core stores magnetic field energy; When the switching device disconnects the circuit of the primary coil, the magnetic field of the primary coil decays rapidly, and the secondary coil induces high voltage.

The faster the magnetic field of the primary coil disappears, the greater the current at the moment of current disconnection, the greater the turn ratio of the two coils, and the higher the voltage induced by the secondary coil.

This is how the voltage changes from low to high.

The ignition coil is similar to an ordinary transformer. The turns ratio of the primary coil and the secondary coil is very large, which can change low-voltage electricity into high voltage.

The difference is that it repeatedly stores and releases energy at different frequencies according to different engine speeds, and it works intermittently. What is the status quo of Baidu Encyclopedia of Baiteng Automobile?

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