thyristor

简明释义

['θaɪrɪstə][θaɪ'rɪstər]

n. 半导体闸流管

英英释义

A thyristor is a semiconductor device that acts as a switch, controlling electrical power in various applications by allowing current to flow in one direction when triggered.

晶闸管是一种半导体器件,作为开关控制电力,在各种应用中通过触发允许电流单向流动。

单词用法

thyristor switch

可控硅开关,晶闸管开关

同义词

silicon controlled rectifier (SCR)

硅控整流器

Thyristors are widely used in power control applications.

晶闸管广泛用于电力控制应用中。

反义词

diode

二极管

A diode allows current to flow in one direction only.

二极管只允许电流单向流动。

transistor

晶体管

Transistors are used for amplification and switching.

晶体管用于放大和开关。

例句

1.Both performance of thyristor and parameters of snubber circuit significantly affect voltage distribution in HVDC thyristor valve.

换流阀内可控硅端电压分布特性取决于可控硅器件性能和相应的缓冲电路参数。

2.Thyristor medium frequency power supply has been widely used in industrial heating.

晶闸管中频电源已广泛应用于工业加热领域。

3.Use the thyristor as switch devices in researched and produced new type contactless power stabilized voltage supply.

在所研制的新型无触点电力稳压器中,采用晶闸管作为开关器件。

4.The low inertia DC drive motor is supplied by a quick thyristor unit.

低惯量的直流传动电动机由快速可控硅装置供电。

5.Study on the design algorithm of thyristor-switched filters with step-down transformers is emphasized in the paper.

论文主要对带有降压变压器的晶闸管投切滤波器装置的设计算法进行了研究。

6.This poses a question concerning the safety and reliability of the high power thyristor rectifier trigger system.

这就对大功率晶闸管整流器触发系统安全可靠性提出一个严峻的问题。

7.The use of a thyristor in electric vehicles helps manage the power flow efficiently.

晶闸管在电动车中的使用有助于高效管理电力流动。

8.In AC motor drives, thyristors are essential for controlling speed and torque.

在交流电动机驱动中,晶闸管对控制速度和扭矩至关重要。

9.A thyristor can switch on at a specific voltage and remain on until the current drops.

晶闸管可以在特定电压下导通,并保持导通状态直到电流下降。

10.In a light dimmer, the thyristor regulates the voltage to adjust brightness.

在调光器中,晶闸管通过调节电压来调整亮度。

11.The thyristor is widely used in power control applications.

晶闸管广泛应用于电力控制领域。

作文

In the realm of electronics, the development of various components has significantly transformed the way we manage and control electrical energy. One such component is the thyristor, a semiconductor device that acts as a switch, allowing for the control of high voltages and currents with remarkable efficiency. The thyristor was first invented in the late 1950s and has since become an essential part of modern power electronics. Its ability to handle large amounts of power makes it ideal for applications such as motor control, light dimming, and power regulation.The basic structure of a thyristor consists of four layers of semiconductor material, forming a p-n-p-n junction. This configuration allows the thyristor to conduct current when it is triggered by a small voltage applied to its gate terminal. Once triggered, the thyristor remains in the 'on' state even if the gate current is removed, which is one of its most significant advantages. This latching behavior enables efficient control of power in various applications, making it preferable over other types of switches.One of the most common uses of the thyristor is in phase control applications, such as light dimmers and motor speed controllers. In these applications, the thyristor allows for the adjustment of the amount of power delivered to a load by controlling the phase angle of the AC waveform. This capability not only enhances energy efficiency but also provides users with greater control over their devices.Another important application of the thyristor is in power conversion systems. For instance, in rectifiers, thyristors can be used to convert alternating current (AC) into direct current (DC) efficiently. This process is vital for powering electronic devices that require a stable DC supply. Furthermore, when used in inverter circuits, thyristors can convert DC back into AC, facilitating renewable energy applications, such as solar power systems.In addition to their practical applications, thyristors have played a crucial role in advancing technology. Their ability to handle high voltages and currents has enabled the development of more compact and efficient power systems. As the demand for renewable energy sources increases, the importance of thyristors in managing and converting power cannot be overstated.Despite their many advantages, thyristors do have limitations. For example, they can only be turned off by interrupting the current flowing through them, which may not be suitable for all applications. Additionally, the switching speed of thyristors is slower compared to other semiconductor devices like transistors, which can limit their use in high-frequency applications.In conclusion, the thyristor is a remarkable semiconductor device that has revolutionized the field of power electronics. Its unique characteristics allow for efficient control of electrical energy, making it invaluable in various applications, from household appliances to industrial machinery. As technology continues to evolve, the thyristor will undoubtedly remain a key player in the quest for more efficient and sustainable energy solutions.

在电子领域,各种组件的发展显著改变了我们管理和控制电能的方式。其中一个重要的组件是晶闸管,这是一种半导体器件,充当开关,能够高效地控制高电压和电流。晶闸管最早是在20世纪50年代末发明的,至今已成为现代电力电子学的重要组成部分。它能够处理大量电力,使其在电动机控制、灯光调节和电力调节等应用中理想。晶闸管的基本结构由四层半导体材料组成,形成p-n-p-n结。这种配置使得晶闸管能够在其栅极端施加小电压时导电。一旦触发,晶闸管即使在栅极电流被移除后仍然保持“开启”状态,这也是其最显著的优势之一。这种锁存行为使得在各种应用中高效控制电力成为可能,使其比其他类型的开关更受青睐。晶闸管最常见的用途之一是在相位控制应用中,如灯光调光器和电动机速度控制器。在这些应用中,晶闸管通过控制交流波形的相位角来调整送至负载的功率数量。这一能力不仅提高了能源效率,还为用户提供了对设备的更大控制。晶闸管的另一个重要应用是电力转换系统。例如,在整流器中,晶闸管可以高效地将交流电(AC)转换为直流电(DC)。这一过程对于为需要稳定直流电源的电子设备供电至关重要。此外,当用于逆变器电路时,晶闸管可以将直流电转换回交流电,从而促进可再生能源应用,如太阳能发电系统。除了实际应用外,晶闸管在推进技术方面也发挥了重要作用。它们处理高电压和电流的能力使得开发出更紧凑和高效的电力系统成为可能。随着对可再生能源的需求增加,晶闸管在管理和转换电力方面的重要性不容小觑。尽管有许多优点,晶闸管也存在一些局限性。例如,它们只能通过中断流经它们的电流来关闭,这可能不适合所有应用。此外,晶闸管的开关速度较慢,相比于其他半导体器件如晶体管,这可能限制它们在高频应用中的使用。总之,晶闸管是一种卓越的半导体器件,彻底改变了电力电子学领域。它独特的特性使得电能的高效控制成为可能,使其在从家用电器到工业机械的各种应用中不可或缺。随着技术的不断发展,晶闸管无疑将在追求更高效和可持续的能源解决方案中继续发挥关键作用。