auto-excitation type

简明释义

自励式

英英释义

例句

1.Many modern wind turbines use an auto-excitation type generator for efficient energy conversion.

许多现代风力涡轮机使用自激励类型发电机以提高能量转换效率。

2.The auto-excitation type mechanism helps in quickly responding to changes in demand.

这种自激励类型机制有助于快速响应需求的变化。

3.Engineers prefer the auto-excitation type for its simplicity and reliability in various applications.

工程师们喜欢这种自激励类型，因为它在各种应用中的简单性和可靠性。

4.The generator operates on an auto-excitation type system, which allows it to self-regulate voltage levels.

该发电机采用自激励类型系统，能够自我调节电压水平。

5.The auto-excitation type of alternator is crucial for maintaining stable power output in fluctuating loads.

这种自激励类型的交流发电机对于在波动负载下保持稳定的电力输出至关重要。

作文

In the realm of electrical engineering, understanding the various types of excitation systems is crucial for the efficient operation of synchronous machines. One such system is the auto-excitation type, which plays a vital role in maintaining the stability and performance of generators. This essay will delve into the principles behind the auto-excitation type system, its applications, and its advantages over other excitation methods.The auto-excitation type system is characterized by its ability to automatically adjust the excitation current based on the load conditions of the generator. This self-regulating feature is essential because it ensures that the generator maintains a constant voltage output despite fluctuations in load. The fundamental principle behind this system lies in the relationship between the field current and the armature reaction. When the load increases, the armature current rises, which in turn affects the magnetic field strength. The auto-excitation type system detects these changes and adjusts the field current accordingly, thus stabilizing the output voltage.One of the primary applications of the auto-excitation type system is in large power plants where synchronous generators are employed. These generators require a reliable excitation system to provide consistent power to the grid. By using the auto-excitation type, operators can ensure that the generators respond effectively to varying load demands, thus enhancing the overall reliability of the power supply. Additionally, this system is beneficial in renewable energy applications, such as wind and solar power, where the input power can be highly variable. The ability of the auto-excitation type to adapt to these changes is crucial for maintaining grid stability.Moreover, the auto-excitation type system offers several advantages over traditional excitation methods. For instance, it reduces the need for manual intervention, which minimizes the risk of human error. Operators can monitor the system remotely, allowing for quicker responses to any issues that may arise. Furthermore, the auto-excitation type system tends to be more efficient, as it optimizes the use of excitation power, leading to lower operational costs.However, it is essential to note that while the auto-excitation type system has many benefits, it is not without challenges. One significant issue is the potential for instability under certain conditions, such as sudden load changes or faults in the system. Engineers must carefully design and implement protective measures to mitigate these risks. Additionally, the complexity of the auto-excitation type system requires skilled personnel for maintenance and troubleshooting, which can be a barrier for some organizations.In conclusion, the auto-excitation type system is a vital component in the operation of synchronous generators, providing automatic regulation of excitation current to maintain stable voltage output. Its applications in power generation, particularly in large plants and renewable energy systems, highlight its importance in modern electrical engineering. While there are challenges associated with its implementation, the advantages it offers make it a preferred choice for many engineers. Understanding the auto-excitation type system is essential for anyone involved in the design and operation of electrical power systems, as it represents a significant advancement in ensuring reliable and efficient energy production.

在电气工程领域，理解各种励磁系统的类型对于同步机器的有效运行至关重要。其中一种系统是自励型，它在维持发电机的稳定性和性能方面发挥着重要作用。本文将探讨自励型系统背后的原理、其应用以及与其他励磁方法相比的优势。自励型系统的特点在于其能够根据发电机的负载条件自动调节励磁电流。这种自我调节特性至关重要，因为它确保发电机在负载波动的情况下保持恒定的电压输出。该系统背后的基本原理在于场电流与电枢反应之间的关系。当负载增加时，电枢电流上升，这反过来又影响磁场强度。自励型系统检测到这些变化，并相应地调整场电流，从而稳定输出电压。自励型系统的主要应用之一是在大型发电厂中使用同步发电机。这些发电机需要可靠的励磁系统以向电网提供一致的电力。通过使用自励型，操作员可以确保发电机有效响应不同的负载需求，从而增强电力供应的整体可靠性。此外，该系统在可再生能源应用（如风能和太阳能）中也非常有用，因为输入功率可能高度可变。自励型能够适应这些变化，对于维持电网稳定至关重要。此外，自励型系统相较于传统励磁方法还提供了若干优势。例如，它减少了人工干预的需要，从而降低人为错误的风险。操作员可以远程监控系统，从而更快地对任何问题作出反应。此外，自励型系统往往更加高效，因为它优化了励磁电力的使用，降低了运营成本。然而，必须注意的是，尽管自励型系统有许多好处，但并非没有挑战。一个重大问题是在某些条件下（例如突然的负载变化或系统故障）可能导致的不稳定性。工程师必须仔细设计和实施保护措施以减轻这些风险。此外，自励型系统的复杂性要求专业人员进行维护和故障排除，这可能成为一些组织的障碍。总之，自励型系统是同步发电机运行中的一个重要组成部分，提供励磁电流的自动调节以保持稳定的电压输出。它在发电中的应用，特别是在大型发电厂和可再生能源系统中，突显了其在现代电气工程中的重要性。尽管实施过程中存在挑战，但它所提供的优势使其成为许多工程师的首选。理解自励型系统对于任何参与电力系统设计和运行的人来说都是必不可少的，因为它代表了确保可靠和高效能源生产的重要进展。