series motor

简明释义

串激电动机

英英释义

例句

1.The design of a series motor 串联电动机 allows for simple speed control by varying the voltage.

设计串联电动机允许通过改变电压来简单控制速度。

2.When using a series motor 串联电动机, the speed decreases as the load increases.

使用串联电动机时，负载增加时速度会下降。

3.A series motor 串联电动机 is commonly used in cranes due to its ability to lift heavy loads.

由于能够提升重物，串联电动机通常用于起重机。

4.In electric vehicles, a series motor 串联电动机 can provide the necessary power to accelerate quickly.

在电动汽车中，串联电动机可以提供加速所需的动力。

5.The operation of a series motor 串联电动机 is ideal for applications requiring high starting torque.

对于需要高起动扭矩的应用，串联电动机的运行是理想的。

作文

The concept of a series motor is fundamental in the field of electrical engineering, especially when discussing direct current (DC) motors. A series motor is characterized by its unique wiring configuration, where the field windings are connected in series with the armature windings. This means that the same current flows through both the field and armature, leading to specific operational characteristics. The most notable feature of a series motor is its ability to produce high starting torque, making it ideal for applications that require significant initial power. For instance, electric trains and cranes often utilize series motors because they can handle heavy loads right from the start.When a series motor starts, the armature is stationary, and the current flowing through the motor creates a magnetic field in the field windings. Since the armature is not yet moving, the back electromotive force (back EMF) is negligible, resulting in a large amount of current flowing through the motor. This high current generates a strong magnetic field, which leads to a substantial torque being produced. As the armature begins to rotate, the back EMF increases, reducing the current flow and, consequently, the torque. This characteristic makes series motors particularly suitable for applications where load conditions vary significantly.However, it is important to note that while series motors excel in providing high starting torque, they also have some limitations. One major drawback is their speed regulation. As the load on a series motor decreases, the speed can increase dramatically, potentially leading to overspeed conditions that can damage the motor. Therefore, it is crucial to use a series motor in applications where the load remains relatively constant or where speed control mechanisms are in place.Another aspect worth mentioning is the efficiency of series motors. They are generally less efficient compared to other types of motors, such as shunt or compound motors, due to the high current flowing through the windings, which can lead to increased losses. Despite this, their ability to deliver high torque at startup continues to make them a popular choice in various industrial applications.In conclusion, understanding the operational principles of a series motor is essential for anyone involved in electrical engineering or related fields. The advantages of high starting torque and suitability for heavy loads make series motors a valuable asset in many industrial applications. However, one must also consider the limitations regarding speed regulation and efficiency when selecting a motor for a specific application. By comprehensively understanding both the strengths and weaknesses of series motors, engineers can make informed decisions that optimize performance and reliability in their projects.

在电气工程领域，串联电动机的概念是基础，尤其是在讨论直流（DC）电动机时。串联电动机的特点在于其独特的接线配置，其中励磁绕组与电枢绕组串联连接。这意味着同样的电流流经励磁和电枢，从而导致特定的操作特性。串联电动机最显著的特点是其能够产生高启动扭矩，使其非常适合需要显著初始功率的应用。例如，电动火车和起重机通常使用串联电动机，因为它们可以从一开始就处理重负载。当串联电动机启动时，电枢是静止的，流经电动机的电流在励磁绕组中产生一个磁场。由于电枢尚未移动，反电动势（反EMF）微不足道，导致大量电流流经电动机。这种高电流产生强大的磁场，从而产生了可观的扭矩。随着电枢开始旋转，反EMF增加，电流流动减少，从而扭矩也随之降低。这一特性使得串联电动机特别适合负载条件变化显著的应用。然而，需要注意的是，虽然串联电动机在提供高启动扭矩方面表现出色，但它们也有一些局限性。一个主要的缺点是其速度调节能力。当串联电动机上的负载减小时，速度可能会急剧增加，可能导致超速情况，从而损坏电动机。因此，在负载相对恒定或有速度控制机制的情况下使用串联电动机至关重要。另一个值得一提的方面是串联电动机的效率。与其他类型的电动机（如并联电动机或复合电动机）相比，它们通常效率较低，因为通过绕组的高电流可能导致损失增加。尽管如此，其在启动时提供高扭矩的能力仍然使其在许多工业应用中成为一种受欢迎的选择。总之，理解串联电动机的操作原理对于任何参与电气工程或相关领域的人来说都是必不可少的。高启动扭矩和适应重负载的优势使得串联电动机在许多工业应用中成为宝贵的资产。然而，在为特定应用选择电动机时，还必须考虑其速度调节和效率的局限性。通过全面了解串联电动机的优缺点，工程师可以做出明智的决策，从而优化项目的性能和可靠性。