synchronous alternator

简明释义

同步交流发电机

英英释义

例句

1.The power plant uses a synchronous alternator to generate electricity efficiently.

发电厂使用同步发电机高效地发电。

2.During the test, the synchronous alternator showed excellent voltage regulation.

在测试期间，同步发电机显示出优良的电压调节能力。

3.The synchronous alternator is crucial in large industrial applications for power generation.

同步发电机在大型工业应用中对发电至关重要。

4.Engineers prefer synchronous alternators for their ability to operate at a constant speed.

工程师们更喜欢同步发电机，因为它们能够以恒定速度运行。

5.In wind turbines, a synchronous alternator can help maintain a constant output frequency.

在风力涡轮机中，同步发电机可以帮助保持恒定的输出频率。

作文

A synchronous alternator is a crucial component in the generation of electrical power. It operates on the principle of electromagnetic induction and is designed to convert mechanical energy into electrical energy with high efficiency. The working mechanism of a synchronous alternator is based on the synchronization between the rotor and the stator. The rotor, which is typically equipped with field windings, generates a magnetic field that interacts with the stator windings. This interaction induces an alternating current (AC) in the stator, which can then be transmitted for various uses.One of the key features of a synchronous alternator is that it maintains a constant speed regardless of the load. This characteristic is vital for applications where a stable frequency of the output voltage is required, such as in power grids. In contrast to asynchronous machines, which can experience speed variations, the synchronous alternator ensures that the generated frequency remains consistent, making it ideal for large-scale power generation.The construction of a synchronous alternator involves several essential components, including the rotor, stator, and excitation system. The rotor can be either a salient pole type or a non-salient pole type, depending on the design requirements. The stator houses the armature windings where the AC voltage is induced. The excitation system provides the necessary current to the rotor windings, creating the magnetic field needed for the operation of the alternator.In addition to its efficiency and stability, a synchronous alternator also offers advantages in terms of power factor correction. By adjusting the excitation level, operators can control the reactive power output of the alternator, which helps improve the overall power factor of the electrical system. This capability is particularly beneficial in industrial applications where large inductive loads can lead to poor power factor conditions.However, operating a synchronous alternator does come with challenges. For instance, it requires precise control of the excitation system to maintain synchronization with the grid. If the alternator becomes unsynchronized, it can lead to severe operational issues, including potential damage to the equipment. Therefore, regular monitoring and maintenance are essential to ensure the reliable performance of a synchronous alternator.In conclusion, the synchronous alternator plays a vital role in modern electrical generation systems. Its ability to produce a stable and efficient AC output makes it indispensable for power plants and industrial facilities. Understanding the principles of its operation and the importance of maintaining synchronization is essential for engineers and technicians working in the field of electrical engineering. As the demand for reliable and efficient power generation continues to grow, the significance of the synchronous alternator will only increase, solidifying its place as a cornerstone of electrical infrastructure.

同步发电机是电力生成中的一个关键组件。它基于电磁感应的原理，旨在以高效率将机械能转化为电能。同步发电机的工作机制基于转子和定子之间的同步。转子通常配备有场绕组，产生的磁场与定子绕组相互作用。这种相互作用在定子中诱导出交流电（AC），然后可以传输用于各种用途。同步发电机的一个关键特点是无论负载如何，它都能保持恒定的速度。这一特性对于需要稳定输出电压频率的应用至关重要，例如在电网中。与异步机器相比，后者可能会经历速度变化，同步发电机确保所产生的频率保持一致，使其成为大规模发电的理想选择。同步发电机的结构包括几个基本组件，包括转子、定子和励磁系统。根据设计要求，转子可以是突出极型或非突出极型。定子则容纳着电枢绕组，在其中诱导出交流电压。励磁系统向转子绕组提供必要的电流，产生操作发电机所需的磁场。除了效率和稳定性，synchronous alternator 还在功率因数校正方面提供了优势。通过调整励磁水平，操作员可以控制发电机的无功功率输出，这有助于改善电气系统的整体功率因数。这一能力在工业应用中尤为重要，因为大型感性负载可能导致较差的功率因数条件。然而，操作同步发电机也伴随着挑战。例如，它需要精确控制励磁系统，以维持与电网的同步。如果发电机失去同步，可能会导致严重的操作问题，包括对设备的潜在损害。因此，定期监测和维护对于确保同步发电机的可靠性能至关重要。总之，synchronous alternator 在现代电力生成系统中发挥着至关重要的作用。它产生稳定且高效的交流输出，使其成为发电厂和工业设施不可或缺的设备。理解其操作原理以及保持同步的重要性，对于从事电气工程领域的工程师和技术人员来说是必不可少的。随着对可靠和高效电力生成的需求不断增长，synchronous alternator 的重要性只会增加，从而巩固其作为电气基础设施基石的地位。