
File:Rectifier.jpg · Wikimedia Commons · See Wikimedia Commons
Also known as one-way conductor, AC-to-DC converter, AC–DC converter
thumb|right|250px|A thyristor (silicon controlled rectifier) and associated mounting hardware. The heavy threaded stud attaches the device to a [[heatsink to dissipate heat.]]
A rectifier is an electronic device that converts alternating electrical current (which flows back and forth) into direct current (which flows in one direction), and it needs to be mounted on a heatsink because the conversion process generates significant heat. Rectifiers are essential components in power supplies and many other electrical systems that require steady, one-directional current to operate properly.
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整流器(英語:rectifier)是電源供應器的一部份,是可以將交流電轉換成直流電的裝置或元件,也被用來作無線電訊號的偵測器等。整流器可以是固態二極體、真空管二極管、汞弧管、或是氧化銅與硒的堆疊等作成。 能把直流電轉換成交流電的裝置則稱為「逆變器」。 整流器一般指能把AC轉成DC的那一組二極體的總稱,但在半波整流只用到一個二極體時,這個二極體也就是整流器。 整流作用有時並不一定是單純用來作為產生直流之用。早期的礦石收音机使用被暱稱為「貓鬚」()的金屬細線壓在方鉛礦(galena,成份是硫化鉛)晶體上,構成點接觸整流器(point-contact rectifier),稱為或晶體檢波器(crystal detector),目的是檢波。在气体(瓦斯)加热系统中,火焰整流(flame rectification)是用于检测火焰的存在:當火焰存在時,火焰外層的兩個金屬電極形成的電流路徑中,電漿會對給予的交流電壓產生整流作用。
Abstract from DBpedia / Wikipedia · CC BY-SA
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).
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