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Chongqing Benhai Electronic Techonlgy Co.,Ltd
Phone£º18121066650
Contact: Mr. Mu.
Website: www.cqbhdz.com
Company Address: No. 27 Lailong Second Street, Fenghuanghu Industrial Park, Yongchuan District, Chongqing.
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Company News |
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| What is the function of an automobile ignition coil? |
| RELEASE TIME£º2025/9/6 SOURCE£ºChongqing Benhai Electronic Techonlgy Co.,Ltd READING£º6056TIME |
The reason why the ignition coil can convert low voltage electricity in the car into high voltage is because it has the same form as a regular transformer, with a large turn ratio between the primary and secondary coils. But the working mode of the ignition coil is different from that of a regular transformer. A regular transformer works continuously, while the ignition coil works intermittently. It repeatedly stores and discharges energy at different frequencies according to the engine's different speeds.
When the primary coil is powered on, a strong magnetic field is generated around it as the current increases, and the iron core stores magnetic field energy; When the switch device disconnects the primary coil circuit, the magnetic field of the primary coil rapidly decays, and the secondary coil will induce a high voltage. The faster the magnetic field of the primary coil disappears, the greater the current at the moment of current interruption, and the larger the turn ratio between the two coils, the higher the voltage induced by the secondary coil.
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