wound rotor

简明释义

绕线型转子

英英释义

例句

1.The wound rotor (绕线转子) is commonly used in synchronous motors.

在同步电动机中，常用wound rotor（绕线转子）。

2.The wound rotor (绕线转子) design allows for better control of the rotor speed.

这种wound rotor（绕线转子）设计允许更好的转子速度控制。

3.The efficiency of the motor can be improved by using a wound rotor (绕线转子).

通过使用wound rotor（绕线转子），可以提高电机的效率。

4.In high-torque applications, a wound rotor (绕线转子) is often preferred.

在高扭矩应用中，通常更喜欢使用wound rotor（绕线转子）。

5.Maintenance of a wound rotor (绕线转子) requires regular inspection of the windings.

对wound rotor（绕线转子）的维护需要定期检查绕组。

作文

The concept of a wound rotor is fundamental in the field of electrical engineering, particularly in the design and operation of induction motors and generators. A wound rotor refers to a type of rotor that has windings or coils of wire wrapped around its core, as opposed to a squirrel-cage rotor which consists of conductive bars short-circuited at both ends. This design allows for greater control over the motor's performance and efficiency. In an induction motor, the wound rotor is typically used in applications where variable speed and high starting torque are required. The windings on the rotor are connected to external resistors or controllers, allowing for adjustments to be made depending on the operational needs. This flexibility is one of the key advantages of using a wound rotor system. When the motor starts, current flows through the rotor windings, creating a magnetic field that interacts with the stator's magnetic field. This interaction generates torque, which is essential for starting the motor. As the rotor accelerates, the slip between the rotor's magnetic field and the stator's field decreases, leading to a reduction in current flow through the windings. This characteristic enables the wound rotor to operate efficiently across a range of speeds. Another significant aspect of the wound rotor is its ability to provide high starting torque. By adjusting the resistance in the rotor circuit, engineers can optimize the starting conditions for heavy loads, making it ideal for applications such as crushers, mills, and hoists. The ability to control the starting torque is a crucial factor in ensuring the longevity and reliability of industrial machinery. Moreover, the wound rotor design also allows for better thermal management. Since the rotor windings can be cooled more effectively than a squirrel-cage rotor, this design reduces the risk of overheating during prolonged operation. Additionally, the use of external resistors helps to dissipate heat generated during the startup phase, further enhancing the durability of the motor. However, there are some drawbacks to using a wound rotor. The complexity of the design requires more maintenance compared to simpler rotor types. The presence of brushes and slip rings, which are necessary for connecting the rotor windings to the external circuit, can wear out over time and require replacement. This maintenance aspect can lead to higher operational costs in some scenarios. In conclusion, the wound rotor plays a crucial role in various industrial applications where control over speed and torque is paramount. While it may involve more maintenance than other rotor types, the benefits it offers in terms of performance and efficiency make it an indispensable component in modern electrical engineering. Understanding the mechanics and applications of the wound rotor is essential for anyone looking to specialize in this field, as it opens up numerous possibilities for innovation and improvement in motor technology.

在电气工程领域，wound rotor的概念是基础，特别是在感应电动机和发电机的设计与操作中。wound rotor指的是一种转子，其核心上缠绕着线圈或导线，而不是由短路的导电条构成的松鼠笼转子。这种设计允许对电动机的性能和效率进行更大的控制。在感应电动机中，wound rotor通常用于需要可变速度和高启动扭矩的应用。转子上的绕组连接到外部电阻器或控制器，可以根据操作需求进行调整。这种灵活性是使用wound rotor系统的关键优势之一。当电动机启动时，电流流过转子绕组，产生的磁场与定子的磁场相互作用。这种相互作用产生扭矩，这是启动电动机所必需的。随着转子的加速，转子磁场与定子磁场之间的滑差减小，导致流经绕组的电流减少。这一特性使得wound rotor能够在不同速度范围内高效运行。另一个重要方面是wound rotor能够提供高启动扭矩。通过调整转子电路中的电阻，工程师可以优化重载的启动条件，使其非常适合用于破碎机、磨机和起重机等应用。控制启动扭矩的能力是确保工业机械长期可靠的重要因素。此外，wound rotor设计还可以更好地进行热管理。由于转子绕组可以比松鼠笼转子更有效地冷却，这种设计降低了在长时间运行中发生过热的风险。此外，使用外部电阻器有助于散发在启动阶段产生的热量，进一步增强电动机的耐用性。然而，使用wound rotor也存在一些缺点。与更简单的转子类型相比，设计的复杂性需要更多的维护。由于需要刷子和滑环将转子绕组连接到外部电路，这些部件会随着时间的推移而磨损，需要更换。这种维护方面可能导致某些情况下更高的运营成本。总之，wound rotor在各种工业应用中发挥着至关重要的作用，在这些应用中，速度和扭矩的控制至关重要。虽然它可能比其他转子类型涉及更多的维护，但它在性能和效率方面提供的好处使其成为现代电气工程中不可或缺的组成部分。理解wound rotor的工作原理和应用对任何希望专注于该领域的人来说都是必不可少的，因为它为电动机技术的创新和改进开辟了无数可能性。