A silicon controlled rectifier or semiconductor controlled rectifier (SCR) is a four-layer solid-state current -controlling device. The name "silicon controlled rectifier" is General Electric 's trade name for a type of thyristor.

2024年9月17日 · The Silicon Controlled Rectifier (SCR) is the most important and mostly used member of the thyristor family. SCR can be used for different applications like rectification, regulation of power and inversion, etc. Like a diode, SCR is a unidirectional device that allows the current in one direction and opposes in another direction.

可控硅(Silicon Controlled Rectifier) 简称SCR，是一种大功率电器元件，也称晶闸管。 它具有体积小、效率高、寿命长等优点。 在自动控制系统中，可作为大功率驱动器件，实现用小功率控件控制大功率设备。

When testing an SCR, a momentary connection between the gate and anode is sufficient in polarity, intensity, and duration to trigger it. SCRs may be fired by an intentional triggering of the gate terminal, excessive voltage (breakdown) between anode and cathode, or an excessive rate of voltage rise between the anode and cathode.

2020年1月10日 · SCRs are constructed from silicon and are most commonly used for converting AC current to DC current (rectification), hence the name Silicon controlled rectifier. They are also used in other applications such as regulation of power, inversion, etc.

SCR是Silicon Controlled Rectifier的缩写，是 可控硅整流器 的简称。 可控硅有单向、双向、可关断和光控几种类型。 它具有体积小、重量轻、效率高、寿命长、控制方便等优点，被广泛用于可控整流、调压、逆变以及无触点开关等各种自动控制和大功率的电能转换的场合。 单向可控硅 是一种可控整流电子元件，能在外部控制信号作用下由关断变为导通，但一旦导通，外部信号就无法使其关断，只能靠去除负载或降低其两端电压使其关断。 单向可控硅是由三个PN结PNPN组成 …

2012年2月24日 · A Silicon Controlled Rectifier (SCR) is defined as a unidirectional semiconductor device made of silicon. It functions like a solid-state thyratron, also known as a thyristor. General Electric Company coined the name SCR. It is a three-terminal, four-layer device with alternating layers of p-type and n-type material. Hence it has…

2024年2月27日 · What is an SCR? A SCR, or Silicon Controlled Rectifier, is a semiconductor gadget utilized for controlling and exchanging electrical flows. It is a sort of thyristor and is known for its capacity to deal with high-power applications. What are the vital components of a SCR? A SCR normally comprises of three principal terminals: anode, cathode ...

可控硅（SCR： Silicon Controlled Rectifier）是可控硅整流器的简称。 可控硅有单向、双向、可关断和光控几种类型。 它具有体积小、重量轻、效率高、寿命长、控制方便等优点，被广泛用于可控整流、调压、逆变以及无触点开关等各种自动控制和大功率的电能转换的场合。 同时他也是四个半导体，也是用在高功率的场合。 我们可以从我之前的Shockley二级管的 原理图 中可以看到其实就是加了一个GATE控制的Shockley二级管。 只要GATE加一个合适的脉冲即可以导通。 但是我 …

可控硅整流器（scr）是一种坚固耐用的高压半导体器件，用于各种应用中的高效功率控制，它们以其处理高电压和电流水平的能力而闻名，使其成为各种电路不可或缺的一部分。