forward break-over voltage

简明释义

正向转折电压

英英释义

The forward break-over voltage is the minimum voltage required to turn on a semiconductor device, such as a thyristor or silicon-controlled rectifier, in the forward direction, leading to a significant increase in current flow.

正向击穿电压是使半导体器件(如晶闸管或硅控制整流器)在正向方向开启所需的最小电压,从而导致电流显著增加。

例句

1.The diode operates effectively when the applied voltage exceeds the forward break-over voltage.

当施加的电压超过正向击穿电压时,二极管有效工作。

2.When testing the circuit, monitor the forward break-over voltage to ensure stability.

在测试电路时,监测正向击穿电压以确保稳定性。

3.The forward break-over voltage of this component is critical for its performance in high-voltage applications.

该组件的正向击穿电压对其在高压应用中的性能至关重要。

4.If the forward break-over voltage is too low, the device may trigger prematurely.

如果正向击穿电压太低,设备可能会过早触发。

5.In this circuit, we need to ensure that the forward break-over voltage is not exceeded to prevent damage.

在这个电路中,我们需要确保不超过正向击穿电压以防止损坏。

作文

The concept of forward break-over voltage is crucial in understanding the behavior of semiconductor devices, particularly in the context of thyristors and diodes. In electronic circuits, voltage levels play a significant role in determining how components operate and interact with each other. The forward break-over voltage refers to the minimum voltage required to trigger the conduction state in a thyristor when it is forward-biased. This means that once the applied voltage exceeds this threshold, the device will switch from a non-conducting state to a conducting state, allowing current to flow through it. To illustrate the importance of forward break-over voltage, consider an application in power electronics where thyristors are used for controlling large amounts of electrical power. These devices are often employed in applications such as motor control, light dimming, and power regulation. When designing circuits that incorporate thyristors, engineers must carefully consider the forward break-over voltage to ensure that the device operates reliably within its specified limits. If the applied voltage does not reach this threshold, the thyristor will remain off, preventing current from flowing. Conversely, if the voltage exceeds this point too significantly, it could lead to unwanted triggering or even damage to the device. In practical terms, the forward break-over voltage is determined by the physical characteristics of the thyristor, including its material composition, doping levels, and structural design. Different types of thyristors will have varying forward break-over voltage values, which must be taken into account during the design phase of any electronic circuit. For instance, a standard silicon-controlled rectifier (SCR) might have a forward break-over voltage of around 30 volts, while more advanced devices could have higher or lower thresholds depending on their intended application. Understanding the forward break-over voltage also plays a critical role in ensuring the safety and efficiency of electrical systems. Engineers must design circuits that prevent accidental triggering of thyristors, which can occur if the voltage spikes unexpectedly. By incorporating protective measures such as snubber circuits and voltage clamping devices, they can mitigate the risk of exceeding the forward break-over voltage. Additionally, monitoring systems can be implemented to track voltage levels in real-time, providing alerts if they approach critical thresholds. In conclusion, the forward break-over voltage is a fundamental parameter in the field of electronics, particularly concerning the operation of thyristors and other semiconductor devices. A thorough understanding of this concept enables engineers to design more efficient, reliable, and safe electronic circuits. As technology continues to advance, the significance of accurately managing the forward break-over voltage will only grow, making it an essential consideration in modern electrical engineering practices.

前导击穿电压的概念对于理解半导体器件的行为至关重要,特别是在晶闸管和二极管的背景下。在电子电路中,电压水平在决定组件如何操作和彼此交互方面发挥着重要作用。前导击穿电压指的是在正向偏置时,触发晶闸管导通状态所需的最小电压。这意味着一旦施加的电压超过这个阈值,设备将从不导通状态切换到导通状态,允许电流通过。为了说明前导击穿电压的重要性,考虑一个在电力电子学中使用晶闸管控制大量电力的应用。这些设备通常用于电动机控制、灯光调光和电力调节等应用。在设计包含晶闸管的电路时,工程师必须仔细考虑前导击穿电压以确保设备在其规定的限制内可靠运行。如果施加的电压未能达到这一阈值,晶闸管将保持关闭状态,阻止电流流动。相反,如果电压过高,则可能导致意外触发甚至损坏设备。在实际操作中,前导击穿电压由晶闸管的物理特性决定,包括其材料组成、掺杂水平和结构设计。不同类型的晶闸管会有不同的前导击穿电压值,这在任何电子电路的设计阶段都必须考虑。例如,标准的硅控整流器(SCR)的前导击穿电压可能约为30伏,而更先进的设备根据其预期应用可能具有更高或更低的阈值。理解前导击穿电压在确保电气系统的安全和效率方面也起着关键作用。工程师必须设计电路,以防止晶闸管意外触发,这可能发生在电压意外激增的情况下。通过采用保护措施,如缓冲电路和电压钳制设备,他们可以降低超过前导击穿电压的风险。此外,可以实施监测系统,实时跟踪电压水平,提供警报以防接近临界阈值。总之,前导击穿电压是电子学领域的一个基本参数,特别是与晶闸管和其他半导体设备的操作有关。对这一概念的透彻理解使工程师能够设计出更高效、可靠和安全的电子电路。随着技术的不断进步,准确管理前导击穿电压的重要性将只会增加,使其成为现代电气工程实践中的一个重要考虑因素。

相关单词

voltage

voltage详解:怎么读、什么意思、用法