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  • 朗杰ECU电喷点火线圈1.jpg
  • 朗杰ECU电喷点火线圈2.jpg

Langjie ECU electronic fuel injection ignition coil

The ignition coil is able to convert low voltage electricity in the car into high voltage due to its structure being similar to that of a regular transformer, where the primary coil has a greater number of turns compared to the secondary coil.

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The ignition coil can convert the low voltage electricity in the car into high voltage because it has a similar structure to a regular transformer, with a larger turns ratio in the primary coil compared to the secondary coil. However, the working method of the ignition coil is different from that of a regular transformer. A regular transformer operates at a fixed frequency of 50Hz, also known as a power frequency transformer, while the ignition coil works in a pulsed manner, functioning as a pulse transformer. It repeatedly stores and releases energy at different frequencies according to the engine's varying speeds.

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