self-excited machine
简明释义
自励电机
英英释义
A self-excited machine is an electrical machine that generates its own magnetic field through the use of its own output, often used in generators and motors. | 自激励机器是一种电气机器,通过利用自身的输出生成自己的磁场,通常用于发电机和电动机。 |
例句
1.During the workshop, participants learned about the advantages of using a self-excited machine 自激机器 in various projects.
在研讨会上,参与者了解了在各种项目中使用<自激机器>的优势。
2.The engineer explained how the self-excited machine 自激机器 operates without an external power source.
工程师解释了<自己激励的机器>是如何在没有外部电源的情况下工作的。
3.In renewable energy systems, a self-excited machine 自激机器 can be used to generate electricity efficiently.
在可再生能源系统中,可以使用<自激机器>高效发电。
4.The research focused on improving the efficiency of a self-excited machine 自激机器 for industrial applications.
研究集中在提高<自激机器>在工业应用中的效率。
5.A self-excited machine 自激机器 can automatically adjust its output based on load conditions.
<自激机器>可以根据负载条件自动调整其输出。
作文
In the field of electrical engineering, a self-excited machine is a type of generator that generates its own excitation current. This means that it does not require an external power source to maintain its magnetic field. Instead, it relies on the current produced by its own operation to create the necessary magnetic field for continued functioning. Understanding the workings and applications of a self-excited machine is crucial for engineers and technicians who deal with power generation and distribution systems.The principle behind a self-excited machine is relatively straightforward. When the generator starts operating, it produces electrical energy that is fed back into its field windings. This feedback creates a magnetic field that enhances the generator's output. As the output increases, so does the excitation, leading to a self-sustaining cycle. This mechanism allows the self-excited machine to operate independently, making it highly effective in various situations where a stable power supply is essential.One of the most significant advantages of self-excited machines is their ability to function without external excitation sources. This feature makes them particularly useful in remote locations where access to external power may be limited or non-existent. For instance, in rural areas, a self-excited machine can provide electricity for lighting, heating, and other essential services, improving the quality of life for residents.Moreover, self-excited machines are often used in applications that require consistent and reliable power supply. They are commonly found in wind turbines, where the wind energy is converted into electrical energy without the need for external excitation. This application not only supports renewable energy initiatives but also promotes sustainability by reducing dependence on fossil fuels.Another area where self-excited machines shine is in backup power systems. During power outages, these machines can quickly take over to provide electricity, ensuring that critical systems remain operational. This capability is especially vital in hospitals, data centers, and other facilities where continuous power is crucial.However, like any technology, self-excited machines come with their challenges. One of the main issues is voltage regulation. Since the excitation is dependent on the load, fluctuations in demand can lead to variations in voltage output. Engineers must implement control systems to manage these fluctuations and ensure that the output remains within acceptable limits. This aspect highlights the importance of understanding the dynamics of a self-excited machine and the need for skilled professionals to operate and maintain them.In conclusion, the self-excited machine represents a significant advancement in electrical engineering, providing a reliable and independent source of power. Its ability to generate its own excitation makes it ideal for various applications, from rural electrification to renewable energy systems and backup power solutions. As technology continues to evolve, the role of self-excited machines will likely expand, offering new opportunities and challenges for engineers and technicians alike. Understanding this technology is essential for anyone involved in the field of power generation and distribution, as it plays a vital role in shaping the future of energy systems worldwide.
在电气工程领域,自激励机器是一种能够自身产生励磁电流的发电机。这意味着它不需要外部电源来维持其磁场。相反,它依赖于自身运行所产生的电流来创造必要的磁场,从而继续运作。理解和掌握自激励机器的工作原理和应用对于从事电力生成和分配系统的工程师和技术人员至关重要。自激励机器背后的原理相对简单。当发电机开始运行时,它会产生电能,并将其反馈到其励磁绕组中。这种反馈产生的磁场增强了发电机的输出。随着输出的增加,励磁也随之增加,从而形成一个自我维持的循环。这一机制使得自激励机器能够独立运作,在需要稳定电源的各种情况下表现出色。自激励机器最显著的优点之一是它们能够在没有外部励磁源的情况下工作。这一特性使得它们在偏远地区特别有用,在这些地方外部电源可能有限或根本不存在。例如,在农村地区,自激励机器可以为照明、取暖和其他基本服务提供电力,提高居民的生活质量。此外,自激励机器通常用于需要一致和可靠电源的应用中。它们常见于风力涡轮机中,风能被转换为电能,而无需外部励磁。这一应用不仅支持可再生能源倡议,还通过减少对化石燃料的依赖促进可持续发展。自激励机器另一个闪光点是在备用电源系统中的应用。在停电期间,这些机器可以迅速接管提供电力,确保关键系统保持运行。这一能力在医院、数据中心和其他对持续供电至关重要的设施中尤为重要。然而,像任何技术一样,自激励机器也面临着挑战。其中一个主要问题是电压调节。由于励磁依赖于负载,需求波动可能导致电压输出的变化。工程师必须实施控制系统来管理这些波动,确保输出保持在可接受的范围内。这一方面突显了理解自激励机器动态的重要性,以及操作和维护它们所需的专业技能。总之,自激励机器代表了电气工程的一项重大进步,提供了可靠且独立的电源。它能够自身产生励磁,使其在从农村电气化到可再生能源系统和备用电源解决方案等各种应用中理想。随着技术的不断发展,自激励机器的作用可能会扩大,为工程师和技术人员提供新的机遇和挑战。理解这一技术对任何参与电力生成和分配领域的人来说都是必不可少的,因为它在塑造全球能源系统的未来中发挥着至关重要的作用。
相关单词