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Convertisseur AC-DC : Conversion du courant alternatif en courant continu
Auteur： Module d'alimentation ZYG Time： 2023-4-13
An AC-DC converter, also known as a rectifier, is an electronic device that converts alternating current (AC) to direct current (DC) by utilizing diodes or other semiconductor devices. This conversion is essential for many electronic devices that require DC power to function, such as computers, televisions, and radios.
There are two main types of AC-DC converters: half-wave and full-wave rectifiers. A half-wave rectifier only allows one-half of the AC waveform to pass through, resulting in a DC voltage that is only half as large as the AC voltage. A full-wave rectifier allows the entire AC waveform to pass through, resulting in a DC voltage that is nearly equal to the AC voltage.
In addition to diodes, AC-DC converters may also use capacitors and transformers to regulate the output voltage and provide isolation from the AC input. Capacitors can smooth out fluctuations in the DC output voltage, while transformers can step up or step down the input voltage to match the needs of the device being powered.
AC-DC converters are commonly used in power supplies for electronic devices, where they convert the AC voltage from a wall outlet to a DC voltage that is suitable for powering the device. They are also used in many other applications, such as in automotive and industrial settings.
Overall, AC-DC converters play a crucial role in powering many of the electronic devices that we use on a daily basis. They allow us to convert the AC power from our wall outlets into the DC power that these devices need to operate, making them an essential component of modern technology.
Précédent: Generating Power with an AC-DC Converter
Prochain: AC-DC Converter: Transforming Alternating Current to Direct Curren
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