AC exciter

简明释义

交流励磁机

英英释义

例句

1.We need to calibrate the AC exciter before starting the generator.

在启动发电机之前，我们需要校准交流励磁机。

2.The power plant relies on the AC exciter to regulate the output voltage.

发电厂依赖交流励磁机来调节输出电压。

3.During the maintenance check, we found that the AC exciter was malfunctioning.

在维护检查中，我们发现交流励磁机出现了故障。

4.The technician adjusted the settings of the AC exciter to improve the generator's performance.

技术员调整了交流励磁机的设置，以提高发电机的性能。

5.Replacing the old AC exciter with a new one improved efficiency significantly.

用新的交流励磁机替换旧的，显著提高了效率。

作文

The term AC exciter refers to a device used in electrical engineering, particularly in the field of power generation. It is crucial for the operation of synchronous generators, which are commonly found in power plants. An AC exciter provides the necessary alternating current (AC) to the rotor of a synchronous machine, enabling it to produce a magnetic field. This magnetic field interacts with the stator windings, ultimately generating electricity. Understanding the function of an AC exciter is essential for anyone studying electrical engineering or working in the energy sector. The exciter plays a vital role in ensuring that the generator operates efficiently and reliably. Without it, the generator would not be able to maintain the required magnetic field, leading to a drop in output voltage and potential instability in the power system.In practical applications, there are various types of exciters, including static and rotating exciters. Static exciters use power electronics to supply the rotor with current, while rotating exciters are mounted on the same shaft as the generator. Both types have their advantages and disadvantages, and the choice between them often depends on the specific requirements of the power plant.One of the key benefits of using an AC exciter is its ability to provide precise control over the excitation level. This is crucial for maintaining voltage stability and ensuring that the grid operates within acceptable limits. Additionally, modern exciters are equipped with advanced control systems that can automatically adjust the excitation based on real-time conditions, further enhancing the reliability of the power generation process.Moreover, the role of an AC exciter extends beyond just providing excitation. It also contributes to the overall performance of the generator by helping to regulate reactive power, which is essential for maintaining voltage levels across the transmission network. Reactive power support is particularly important during periods of high demand or when there are disturbances in the grid.In conclusion, the AC exciter is a fundamental component in the operation of synchronous generators. Its ability to provide the necessary excitation for the rotor ensures that electricity can be generated effectively and reliably. As the world continues to shift towards renewable energy sources and more complex power systems, the importance of understanding devices like the AC exciter will only grow. Engineers and technicians must be well-versed in the operation and maintenance of these systems to ensure the stability and efficiency of our electrical grids.

短语AC exciter指的是一种用于电气工程的设备，特别是在发电领域。它对同步发电机的运行至关重要，这些发电机通常在发电厂中找到。AC exciter为同步机器的转子提供必要的交流电（AC），使其能够产生磁场。这个磁场与定子绕组相互作用，最终产生电力。理解AC exciter的功能对于任何学习电气工程或在能源行业工作的人来说都是必不可少的。激励器在确保发电机高效和可靠运行方面发挥着重要作用。如果没有它，发电机将无法维持所需的磁场，从而导致输出电压下降和电力系统的潜在不稳定。在实际应用中，有多种类型的激励器，包括静态激励器和旋转激励器。静态激励器使用电力电子设备向转子供电，而旋转激励器则安装在与发电机同一轴上。这两种类型各有优缺点，选择之间通常取决于发电厂的具体要求。使用AC exciter的一个关键好处是它能够精确控制激励水平。这对维持电压稳定性以及确保电网在可接受范围内运行至关重要。此外，现代激励器配备了先进的控制系统，可以根据实时条件自动调整激励，进一步增强了发电过程的可靠性。此外，AC exciter的作用不仅仅是提供激励。它还通过帮助调节无功功率来促进发电机的整体性能，这对维持整个输电网络的电压水平至关重要。在需求高峰期或电网出现干扰时，无功功率支持尤其重要。总之，AC exciter是同步发电机运行中的基本组成部分。它为转子提供必要的激励，确保电力能够有效和可靠地生成。随着世界继续向可再生能源和更复杂的电力系统转型，理解像AC exciter这样的设备的重要性只会增加。工程师和技术人员必须熟练掌握这些系统的操作和维护，以确保我们电网的稳定性和效率。