separately excited machine

简明释义

他励电机

英英释义

例句

1.The performance of the separately excited machine 独立励磁机 is crucial for maintaining system stability in power generation.

在电力生成中，独立励磁机的性能对维持系统稳定性至关重要。

2.Engineers often prefer a separately excited machine 独立励磁机 for applications requiring precise control of output voltage.

工程师们通常更喜欢使用独立励磁机用于需要精确控制输出电压的应用。

3.In a laboratory setup, we tested the efficiency of a separately excited machine 独立励磁机 under various load conditions.

在实验室设置中，我们测试了在各种负载条件下独立励磁机的效率。

4.The separately excited machine 独立励磁机 provides better response times compared to self-excited machines.

独立励磁机与自励磁机相比，提供更好的响应时间。

5.A separately excited machine 独立励磁机 can be used to enhance the performance of electric drives.

可以使用独立励磁机来增强电驱动的性能。

作文

In the realm of electrical engineering, the term separately excited machine refers to a type of electric machine where the field winding is energized from an external source rather than from the armature itself. This configuration allows for greater control over the machine's performance and efficiency. Separately excited machine systems are crucial in various applications, particularly in situations requiring precise speed and torque control. The concept of separately excited machine can be better understood by comparing it to other types of machines, such as self-excited machines. In self-excited machines, the field winding receives its current from the output of the armature. This can lead to fluctuations in the magnetic field strength, which may affect the stability and performance of the machine. On the other hand, separately excited machine configurations provide a stable magnetic field since the excitation is independent of the armature current. This independence allows engineers to adjust the field strength according to specific operational requirements, making these machines ideal for applications that demand high performance and reliability. One of the most significant advantages of using a separately excited machine is the ability to achieve a wide range of operating speeds. By varying the excitation current, engineers can manipulate the torque-speed characteristics of the machine, enabling it to operate efficiently across different load conditions. This feature is particularly beneficial in industrial applications, such as conveyor systems, cranes, and electric vehicles, where variable speed control is essential. Moreover, separately excited machine systems exhibit improved dynamic response compared to their self-excited counterparts. The rapid adjustment of the excitation current allows for quick changes in torque and speed, which is vital in applications requiring immediate response to load variations. This characteristic enhances the overall performance of the system and contributes to energy savings, as the machine can operate more efficiently under varying conditions. Despite these advantages, there are some challenges associated with separately excited machine systems. One of the primary concerns is the complexity of the control system required to manage the external excitation source. Engineers must design sophisticated control algorithms to ensure smooth operation and prevent instability in the system. Additionally, the need for an external power supply for the field winding can introduce additional costs and maintenance requirements. In conclusion, the separately excited machine represents a significant advancement in electric machine technology, offering enhanced control, efficiency, and performance. Its ability to operate under a wide range of conditions makes it a preferred choice in many industrial applications. As technology continues to evolve, the role of separately excited machine systems will likely become even more prominent, paving the way for innovations in electric drive systems and renewable energy solutions.

在电气工程领域，术语separately excited machine指的是一种电动机，其中磁场绕组由外部电源供电，而不是由电枢本身供电。这种配置允许更好地控制机器的性能和效率。Separately excited machine系统在各种应用中至关重要，特别是在需要精确速度和扭矩控制的情况下。通过将separately excited machine与其他类型的机器进行比较，可以更好地理解这个概念。例如，在自激机器中，磁场绕组的电流来自电枢的输出。这可能导致磁场强度的波动，从而影响机器的稳定性和性能。另一方面，separately excited machine配置提供了稳定的磁场，因为激励是独立于电枢电流的。这种独立性使工程师能够根据特定的操作要求调整磁场强度，使这些机器非常适合对性能和可靠性要求很高的应用。使用separately excited machine的一个显著优势是能够实现广泛的操作速度范围。通过改变激励电流，工程师可以操控机器的扭矩-速度特性，使其在不同负载条件下高效运行。这一特点在工业应用中尤为重要，例如输送系统、起重机和电动车辆，这些应用都需要可变速度控制。此外，separately excited machine系统相比自激机器表现出更好的动态响应。激励电流的快速调整允许扭矩和速度的快速变化，这在需要立即响应负载变化的应用中至关重要。这一特性提高了系统的整体性能，并有助于节能，因为机器可以在变化的条件下更高效地运行。尽管有这些优势，但与separately excited machine系统相关的一些挑战也不容忽视。主要问题之一是管理外部激励源所需的控制系统的复杂性。工程师必须设计复杂的控制算法，以确保平稳运行并防止系统不稳定。此外，磁场绕组需要外部电源的需求可能会增加额外的成本和维护要求。总之，separately excited machine代表了电动机技术的一项重大进步，提供了增强的控制、效率和性能。它在广泛条件下的运行能力使其成为许多工业应用的首选。随着技术的不断发展，separately excited machine系统的作用可能会变得更加突出，为电驱动系统和可再生能源解决方案的创新铺平道路。