firing angle

简明释义

引燃角点弧角

英英释义

例句

1.The engineer adjusted the firing angle to improve the efficiency of the engine.

工程师调整了点火角度以提高发动机的效率。

2.In this experiment, we need to measure the firing angle to ensure accurate results.

在这个实验中，我们需要测量点火角度以确保结果准确。

3.The optimal firing angle for this type of motor is crucial for performance.

这种类型电动机的最佳点火角度对性能至关重要。

4.The technician explained how the firing angle impacts combustion efficiency.

技术员解释了点火角度如何影响燃烧效率。

5.Adjusting the firing angle can significantly affect the output power.

调整点火角度会显著影响输出功率。

作文

In the world of electrical engineering, the term firing angle refers to a specific point in time during the operation of a thyristor or other semiconductor devices. It is crucial for controlling the power delivered to a load. Understanding the concept of firing angle is essential for engineers who work with alternating current (AC) circuits, especially in applications such as phase control and motor speed regulation.The firing angle is defined as the angle at which a thyristor is triggered to conduct electricity. In an AC waveform, this angle is measured from the zero crossing point of the voltage waveform. By adjusting the firing angle, engineers can control the amount of power that is delivered to the load. For instance, if the firing angle is set to zero degrees, the thyristor will conduct for the entire cycle of the AC waveform, delivering maximum power to the load. Conversely, if the firing angle is increased, the thyristor will conduct for a shorter duration, resulting in reduced power delivery.One of the most common applications of firing angle control is in light dimmers. By varying the firing angle, it is possible to adjust the brightness of the lights. When the firing angle is small, the lights are bright because they receive more power. As the firing angle increases, the lights become dimmer due to the reduced power. This principle is not only applicable to lighting systems but also extends to heating elements, where controlling the firing angle can help maintain desired temperatures.In industrial settings, firing angle control plays a vital role in the operation of electric motors. By adjusting the firing angle, engineers can control the speed of the motor, allowing for greater flexibility in manufacturing processes. This control mechanism is particularly useful in applications where variable speed is essential, such as conveyor belts and pumps.Moreover, understanding the implications of firing angle adjustments is critical for maintaining system efficiency and preventing damage to electrical components. If the firing angle is set too high, it can lead to overheating and potential failure of the thyristor. Therefore, engineers must carefully calculate the appropriate firing angle based on the specific requirements of their applications.In conclusion, the concept of firing angle is a fundamental aspect of electrical engineering, particularly in the context of controlling power delivery in AC circuits. Its applications range from simple light dimming to complex motor speed control, making it a versatile tool for engineers. A thorough understanding of firing angle not only enhances the performance of electrical systems but also ensures their longevity and reliability.

在电气工程的世界中，术语firing angle指的是在晶闸管或其他半导体设备操作过程中某个特定的时间点。它对于控制提供给负载的功率至关重要。理解firing angle的概念对从事交流电（AC）电路工作的工程师来说是必不可少的，尤其是在相位控制和电动机速度调节等应用中。firing angle被定义为触发晶闸管导电的角度。在交流波形中，这个角度是从电压波形的零交叉点测量的。通过调整firing angle，工程师可以控制提供给负载的功率。例如，如果firing angle设置为零度，晶闸管将在交流波形的整个周期内导电，从而向负载提供最大功率。相反，如果增加firing angle，晶闸管将导电的时间变短，从而导致功率输出减少。firing angle控制最常见的应用之一是灯光调光器。通过改变firing angle，可以调整灯光的亮度。当firing angle较小时，灯光明亮，因为它们接收到更多的功率。随着firing angle的增加，灯光变得更暗，因为功率减少。这一原理不仅适用于照明系统，还扩展到加热元件，通过控制firing angle可以帮助维持所需的温度。在工业环境中，firing angle控制在电动机的运行中发挥着至关重要的作用。通过调整firing angle，工程师可以控制电动机的速度，从而使制造过程更加灵活。这种控制机制在需要可变速度的应用中尤为有用，例如输送带和泵。此外，理解firing angle调整的影响对于维护系统效率和防止电气组件损坏至关重要。如果firing angle设置得过高，可能会导致过热和晶闸管的潜在故障。因此，工程师必须根据其应用的具体要求仔细计算适当的firing angle。总之，firing angle的概念是电气工程的一个基本方面，特别是在控制交流电路中的功率传递的背景下。它的应用范围从简单的灯光调光到复杂的电动机速度控制，使其成为工程师的一种多功能工具。深入理解firing angle不仅提高了电气系统的性能，还确保了其长期使用和可靠性。