three-phase exciter

简明释义

三相励磁机

英英释义

例句

1.The generator uses a three-phase exciter to provide the necessary field current.

发电机使用三相励磁机提供所需的励磁电流。

2.The efficiency of the turbine is enhanced by the use of a three-phase exciter.

使用三相励磁机提高了涡轮的效率。

3.Maintenance of the three-phase exciter is crucial for optimal generator performance.

维护三相励磁机对于发电机的最佳性能至关重要。

4.We upgraded our system to include a modern three-phase exciter for better control.

我们升级了系统，以包括一个现代的三相励磁机以获得更好的控制。

5.In our power plant, the three-phase exciter ensures stable voltage output.

在我们的发电厂中，三相励磁机确保稳定的电压输出。

作文

In the world of electrical engineering, the term three-phase exciter refers to a crucial component used in power generation systems. Understanding its function and significance can provide valuable insights into how modern electrical systems operate. A three-phase exciter is primarily responsible for providing the necessary excitation current to the rotor of a synchronous generator. This excitation current is vital for maintaining the magnetic field required for the generator to produce electricity efficiently.The operation of a three-phase exciter is based on the principles of electromagnetic induction. When alternating current (AC) flows through the stator windings of the exciter, it generates a rotating magnetic field. This magnetic field induces an electromotive force (EMF) in the rotor windings, which in turn produces the excitation current. The three-phase design allows for a more balanced and efficient power distribution, minimizing losses and enhancing the overall performance of the generator.One of the key advantages of using a three-phase exciter is its ability to provide stable and reliable excitation under varying load conditions. In power plants, the demand for electricity can fluctuate significantly, and the exciter must adjust the excitation level accordingly to maintain voltage stability. This adaptability is essential, as it ensures that the generator operates within its optimal range, preventing issues such as voltage collapse or generator instability.Moreover, the three-phase exciter plays a vital role in the synchronization of multiple generators operating in parallel. When several generators are connected to the same grid, they must operate at the same frequency and voltage to ensure smooth power distribution. The exciter helps achieve this synchronization by adjusting the excitation levels of each generator, allowing them to work harmoniously together.Another important aspect of the three-phase exciter is its contribution to the overall efficiency of the power generation process. By providing precise control over the excitation current, it reduces the risk of energy losses that can occur due to over-excitation or under-excitation. This precision not only enhances the performance of the generator but also contributes to the economic operation of power plants, as less energy is wasted in the form of heat or reactive power.In conclusion, the three-phase exciter is an indispensable component in modern electrical power systems. Its ability to provide stable excitation, ensure synchronization among generators, and enhance overall efficiency makes it a critical element in the generation of electricity. As the demand for reliable and sustainable energy continues to grow, the importance of understanding and optimizing devices like the three-phase exciter will become increasingly apparent in the field of electrical engineering.

在电气工程的世界中，术语三相励磁机指的是在发电系统中使用的一个关键组件。理解其功能和重要性可以为我们提供关于现代电气系统如何运作的宝贵见解。三相励磁机主要负责向同步发电机的转子提供必要的励磁电流。这种励磁电流对于维持发电机高效生产电力所需的磁场至关重要。三相励磁机的操作基于电磁感应原理。当交流电（AC）流经励磁机的定子绕组时，会产生一个旋转的磁场。这个磁场在转子绕组中感应出电动势（EMF），从而产生励磁电流。三相设计允许更均衡和高效的功率分配，最小化损耗，并增强发电机的整体性能。使用三相励磁机的一个主要优点是它能够在负载条件变化时提供稳定和可靠的励磁。在发电厂中，对电力的需求可能会显著波动，励磁机必须相应调整励磁水平，以维持电压稳定。这种适应性至关重要，因为它确保发电机在最佳范围内运行，防止电压崩溃或发电机不稳定等问题。此外，三相励磁机在多个并联运行的发电机的同步中也发挥着重要作用。当多个发电机连接到同一电网时，它们必须以相同的频率和电压运行，以确保平稳的电力分配。励磁机通过调整每台发电机的励磁水平，帮助实现这种同步，使它们能够和谐地一起工作。三相励磁机的另一个重要方面是它对发电过程整体效率的贡献。通过对励磁电流进行精确控制，它减少了由于过励磁或欠励磁而可能发生的能量损失的风险。这种精确性不仅增强了发电机的性能，还促进了发电厂的经济运行，因为在热量或无功功率的形式中浪费的能量更少。总之，三相励磁机是现代电气电力系统中不可或缺的组件。它提供稳定的励磁、确保发电机之间的同步以及提高整体效率的能力，使其成为发电过程中至关重要的元素。随着对可靠和可持续能源的需求不断增长，理解和优化像三相励磁机这样的设备在电气工程领域的重要性将变得愈加明显。