excitation winding

简明释义

励磁绕组

英英释义

例句

1.To maintain voltage stability, the excitation winding must be properly adjusted.

为了维持电压稳定，必须对励磁绕组进行适当调整。

2.In synchronous machines, the excitation winding is crucial for generating a magnetic field.

在同步机器中，励磁绕组对产生磁场至关重要。

3.The technician inspected the excitation winding for any signs of wear and tear.

技术员检查了励磁绕组是否有磨损的迹象。

4.The generator's performance heavily relies on the efficiency of the excitation winding.

发电机的性能在很大程度上依赖于励磁绕组的效率。

5.A fault in the excitation winding can lead to operational failures in the motor.

在电动机中，励磁绕组的故障可能导致操作失败。

作文

In the realm of electrical engineering, the concept of excitation winding plays a pivotal role in the functionality of synchronous machines. These machines are widely used in power generation and industrial applications due to their ability to maintain a constant speed regardless of load variations. The excitation winding is essentially a coil of wire that generates the magnetic field necessary for the operation of the machine. This magnetic field interacts with the armature winding, which is responsible for producing electrical energy. Understanding how the excitation winding works is crucial for anyone involved in the design or maintenance of synchronous generators. When direct current (DC) is supplied to the excitation winding, it creates a magnetic field around the rotor. This magnetic field is then rotated by the rotor as it spins, inducing an alternating current (AC) in the stator windings. The strength of the magnetic field can be adjusted by varying the current flowing through the excitation winding, which in turn allows for control over the output voltage of the generator.Moreover, the excitation winding is essential for the stability of the synchronous machine. If the excitation level is too low, the machine may not produce enough voltage, leading to poor performance or even failure to operate. Conversely, excessive excitation can cause overheating and damage to the machine. Therefore, maintaining the correct level of excitation is critical, and this is often achieved through automatic excitation systems that monitor and adjust the current in real-time.Another important aspect of the excitation winding is its role in synchronizing multiple generators operating in parallel. In such cases, the excitation winding ensures that all machines share the load equally and maintain system stability. By controlling the excitation levels, operators can ensure that each generator contributes appropriately to the overall power output, preventing any single unit from becoming overloaded.In conclusion, the excitation winding is a fundamental component of synchronous machines that significantly impacts their performance and reliability. Its ability to generate a magnetic field and control voltage output makes it indispensable in modern electrical engineering applications. Understanding the function and importance of the excitation winding is vital for engineers and technicians working in the field, as it directly influences the efficiency and stability of power systems. As technology continues to evolve, the advancements in excitation systems will further enhance the capabilities of synchronous machines, making them even more efficient and reliable in meeting the increasing demands for electrical power.

在电气工程领域，励磁绕组的概念在同步机器的功能中发挥着关键作用。这些机器因其能够在负载变化时保持恒定速度而广泛应用于发电和工业领域。励磁绕组本质上是一个线圈，产生机器运行所需的磁场。这个磁场与负责产生电能的电枢绕组相互作用。理解励磁绕组的工作原理对于任何参与同步发电机设计或维护的人来说都是至关重要的。当直流电（DC）被供给到励磁绕组时，它会在转子周围产生一个磁场。随着转子的旋转，这个磁场被旋转，从而在定子绕组中感应出交流电（AC）。通过改变流经励磁绕组的电流，可以调整磁场的强度，从而控制发电机的输出电压。此外，励磁绕组对于同步机器的稳定性至关重要。如果励磁水平过低，机器可能无法产生足够的电压，导致性能不佳，甚至无法运行。相反，过度励磁可能导致过热和机器损坏。因此，维持正确的励磁水平至关重要，这通常通过自动励磁系统实现，该系统实时监控并调整电流。励磁绕组的另一个重要方面是它在多个并联发电机同步中的作用。在这种情况下，励磁绕组确保所有机器均匀分担负载并保持系统稳定。通过控制励磁水平，操作员可以确保每台发电机适当地贡献于整体电力输出，从而防止任何单一设备过载。总之，励磁绕组是同步机器的基本组成部分，显著影响其性能和可靠性。它产生磁场和控制电压输出的能力使其在现代电气工程应用中不可或缺。理解励磁绕组的功能和重要性对于在该领域工作的工程师和技术人员至关重要，因为它直接影响电力系统的效率和稳定性。随着技术的不断发展，励磁系统的进步将进一步增强同步机器的能力，使其在满足日益增长的电力需求方面更加高效和可靠。