separate excitation

简明释义

他励

英英释义

例句

1.The research focuses on the effects of separate excitation on machine performance.

研究重点关注独立励磁对机器性能的影响。

2.In this experiment, we will use separate excitation to control the field current independently.

在这个实验中，我们将使用独立励磁来独立控制场电流。

3.Using separate excitation, the motor can achieve higher efficiency during operation.

使用独立励磁，电动机在运行期间可以达到更高的效率。

4.The benefits of separate excitation include improved voltage regulation and response time.

独立励磁的好处包括改善电压调节和响应时间。

5.The generator operates with separate excitation to ensure stable voltage output.

发电机采用独立励磁以确保稳定的电压输出。

作文

In the world of electrical engineering, the concept of separate excitation plays a crucial role in the operation of various machines, particularly in generators and motors. To understand this term, we first need to explore what excitation means in the context of electrical machines. Excitation refers to the process of supplying a magnetic field to a machine, which is essential for its operation. In many cases, the excitation is provided by the same source that drives the machine, but in the case of separate excitation, the magnetic field is generated independently from the power source driving the machine itself.This method of excitation can be particularly advantageous in certain applications. For instance, in synchronous generators, separate excitation allows for greater control over the voltage output. By adjusting the excitation current supplied to the rotor, engineers can regulate the strength of the magnetic field, which in turn influences the generator's output voltage. This level of control is vital for maintaining stability in power systems, especially when there are fluctuations in load demand.Moreover, separate excitation can enhance the overall efficiency of a system. When the excitation source is independent, it can be optimized separately from the main power supply. This means that the excitation system can be designed to operate at its best efficiency without being constrained by the requirements of the load. Additionally, this separation can lead to improved performance in terms of response time and stability, as the excitation can be adjusted quickly to accommodate changes in the system.Another significant benefit of separate excitation is its ability to provide better fault tolerance. In the event of a failure in the primary power supply, the excitation source can often remain operational, allowing the machine to continue functioning or to be brought back online more smoothly. This redundancy is particularly important in critical applications such as power generation and industrial processes, where downtime can lead to substantial losses.However, implementing separate excitation does come with its challenges. The need for an additional power source for excitation can increase the complexity of the system. Engineers must carefully design the excitation system to ensure reliability and compatibility with the main machine. Furthermore, the cost of additional components and controls can be a consideration for some projects, particularly in smaller installations.In conclusion, the term separate excitation encapsulates a vital aspect of electrical engineering that enhances the functionality and efficiency of machines like generators and motors. By providing an independent source of excitation, engineers can gain greater control over voltage output, improve system efficiency, and enhance fault tolerance. While there are challenges associated with this method, the benefits often outweigh the drawbacks, making separate excitation a preferred choice in many applications. Understanding this concept is essential for anyone looking to delve deeper into the field of electrical engineering and its practical applications in modern technology.

在电气工程的世界中，术语separate excitation（独立励磁）在各种机器的操作中发挥着至关重要的作用，特别是在发电机和电动机中。要理解这个术语，我们首先需要探讨在电气机器的背景下励磁的含义。励磁是指为机器提供磁场的过程，这对其操作至关重要。在许多情况下，励磁是由驱动机器的同一电源提供的，但在separate excitation的情况下，产生的磁场与驱动机器本身的电源独立。这种励磁方法在某些应用中尤为有利。例如，在同步发电机中，separate excitation允许对电压输出进行更大的控制。通过调整提供给转子的励磁电流，工程师可以调节磁场的强度，这反过来又影响发电机的输出电压。这种控制水平对于维持电力系统的稳定性至关重要，尤其是在负载需求波动时。此外，separate excitation还可以提高系统的整体效率。当励磁源独立时，可以与主电源分开优化。这意味着励磁系统可以设计成在最佳效率下运行，而不受负载要求的限制。此外，这种分离可以改善响应时间和稳定性，因为励磁可以迅速调整以适应系统的变化。separate excitation的另一个显著好处是其提供更好的故障容忍能力。在主电源发生故障的情况下，励磁源通常仍然可以保持运行，从而允许机器继续运行或更顺利地重新上线。这种冗余在关键应用中尤为重要，例如发电和工业过程，其中停机可能导致巨大的损失。然而，实施separate excitation确实面临一些挑战。对于励磁所需的额外电源可能会增加系统的复杂性。工程师必须仔细设计励磁系统，以确保其可靠性和与主机器的兼容性。此外，额外组件和控制的成本可能是一些项目的考虑因素，特别是在较小的安装中。总之，术语separate excitation概括了电气工程中的一个重要方面，该方面增强了发电机和电动机等机器的功能和效率。通过提供独立的励磁源，工程师可以获得更大的电压输出控制，提高系统效率，并增强故障容忍能力。尽管与此方法相关的挑战存在，但其优势往往超过缺点，使得separate excitation成为许多应用中的首选。理解这一概念对于任何希望深入了解电气工程及其在现代技术中实际应用的人来说都是至关重要的。