self-excited alternator

简明释义

自励交流发电机

英英释义

例句

1.When designing backup power systems, engineers often prefer a self-excited alternator 自激发交流发电机 for its reliability.

在设计备用电源系统时，工程师通常更喜欢使用自激发交流发电机，因为它可靠性高。

2.The technician explained how the self-excited alternator 自激发交流发电机 works without needing an external power source.

技术员解释了如何在没有外部电源的情况下工作，自激发交流发电机。

3.In many renewable energy systems, a self-excited alternator 自激发交流发电机 is used to generate electricity efficiently.

在许多可再生能源系统中，使用自激发交流发电机来高效发电。

4.The self-excited alternator 自激发交流发电机 can automatically adjust its output based on the load requirements.

该自激发交流发电机可以根据负载需求自动调整其输出。

5.The self-excited alternator 自激发交流发电机 is crucial for maintaining voltage stability in off-grid applications.

在离网应用中，自激发交流发电机对维持电压稳定至关重要。

作文

The concept of a self-excited alternator is pivotal in the field of electrical engineering, particularly in the generation of electricity. Unlike traditional alternators that require an external power source to energize the rotor winding, a self-excited alternator generates its own excitation voltage through a feedback mechanism. This self-sustaining process not only simplifies the design but also enhances reliability. In this essay, we will explore the working principle, advantages, and applications of a self-excited alternator. To begin with, the working principle of a self-excited alternator is relatively straightforward. It consists of a rotor and a stator, much like conventional alternators. However, the key difference lies in how the rotor is energized. In a self-excited alternator, a portion of the output voltage is fed back to the rotor windings. This feedback creates a magnetic field that induces a current in the stator windings, which in turn produces more voltage. As the alternator generates electricity, it maintains its own excitation without needing any external power supply.One of the primary advantages of a self-excited alternator is its simplicity. Since it does not rely on an external source for excitation, it can be used in remote locations where grid power is unavailable. This makes it an ideal choice for off-grid renewable energy systems, such as wind turbines and solar power installations. Additionally, the absence of external excitation equipment reduces the overall cost and complexity of the system.Moreover, a self-excited alternator offers improved reliability. Traditional alternators can experience issues if the external excitation source fails, leading to a complete loss of power generation. In contrast, a self-excited alternator can continue to operate independently, making it a more robust solution for critical applications. This reliability is especially important in areas prone to power outages or in emergency backup systems.The applications of self-excited alternators are diverse. They are commonly found in portable generators, where their compact design and ease of use make them suitable for outdoor activities and construction sites. Additionally, they are utilized in various industrial settings, including manufacturing plants and remote telecommunications facilities, where consistent power supply is crucial.In conclusion, the self-excited alternator represents a significant advancement in electrical generation technology. Its ability to generate excitation voltage internally not only streamlines the design process but also enhances reliability and reduces costs. As the demand for sustainable and reliable energy sources continues to grow, the importance of self-excited alternators in both residential and industrial applications will likely increase. Understanding and implementing this technology can lead to more efficient and resilient power systems in the future.

自激励发电机的概念在电气工程领域至关重要，特别是在电力生成方面。与传统的发电机需要外部电源来激励转子绕组不同，自激励发电机通过反馈机制生成自己的激励电压。这一自我维持的过程不仅简化了设计，还提高了可靠性。在这篇文章中，我们将探讨自激励发电机的工作原理、优点和应用。首先，自激励发电机的工作原理相对简单。它由转子和定子组成，与传统发电机类似。然而，关键的区别在于转子的激励方式。在自激励发电机中，输出电压的一部分反馈到转子绕组。这种反馈产生一个磁场，诱导出定子绕组中的电流，从而产生更多的电压。当发电机发电时，它能够维持自身的激励，而无需任何外部电源。自激励发电机的主要优点之一是其简单性。由于不依赖外部电源进行激励，因此可以在电网无法到达的偏远地区使用。这使得它成为离网可再生能源系统的理想选择，如风力涡轮机和太阳能发电装置。此外，缺少外部激励设备减少了整体成本和系统复杂性。此外，自激励发电机提供了更高的可靠性。传统发电机如果外部激励源发生故障，可能会导致完全失去发电能力。相比之下，自激励发电机能够独立运行，使其成为关键应用的更稳健解决方案。这种可靠性在电力中断频繁或应急备用系统中尤为重要。自激励发电机的应用范围广泛。它们通常用于便携式发电机，其紧凑的设计和易用性使其适合户外活动和建筑工地。此外，它们还被广泛应用于各种工业环境，包括制造厂和偏远的电信设施，在这些地方，稳定的电源供应至关重要。总之，自激励发电机代表了电力生成技术的重要进步。其内部生成激励电压的能力不仅简化了设计过程，还提高了可靠性并降低了成本。随着对可持续和可靠能源需求的不断增长，自激励发电机在住宅和工业应用中的重要性可能会增加。理解和实施这一技术可以在未来导致更高效、更具弹性的电力系统。