shunt-wound motor

简明释义

分激电动机

英英释义

例句

1.The shunt-wound motor 并联绕组电动机 provides a stable speed under varying load conditions.

并联绕组电动机在不同负载条件下提供稳定的速度。

2.In many workshops, a shunt-wound motor 并联绕组电动机 is used to power lathes.

在许多车间，并联绕组电动机用于为车床提供动力。

3.When selecting a motor for a conveyor system, a shunt-wound motor 并联绕组电动机 is often preferred.

在选择输送系统的电动机时，通常会优先选择并联绕组电动机。

4.The efficiency of the shunt-wound motor 并联绕组电动机 makes it ideal for industrial applications.

这种并联绕组电动机的效率使其在工业应用中非常理想。

5.A shunt-wound motor 并联绕组电动机 can be easily controlled using variable resistors.

并联绕组电动机可以通过可变电阻轻松控制。

作文

In the realm of electrical engineering, motors play a crucial role in converting electrical energy into mechanical energy. Among the various types of motors, the shunt-wound motor (分励电动机) stands out due to its unique characteristics and applications. Understanding how a shunt-wound motor operates can provide insights into its advantages and disadvantages, making it a vital topic for students and professionals alike.A shunt-wound motor is a type of direct current (DC) motor where the field windings are connected in parallel (or shunt) with the armature winding. This configuration allows the motor to maintain a relatively constant speed under varying load conditions. The field current, which flows through the shunt winding, is independent of the armature current, enabling the motor to operate efficiently across a range of speeds. This characteristic makes the shunt-wound motor particularly suitable for applications requiring stable speed control, such as conveyor systems and fans.One of the primary advantages of a shunt-wound motor is its ability to provide a high starting torque. When the motor starts, the armature current is at its maximum, generating a strong magnetic field in the stator. As the motor accelerates, the back electromotive force (EMF) increases, reducing the armature current and allowing the motor to reach its rated speed quickly. This feature is beneficial in applications where heavy loads need to be moved from a standstill.However, the shunt-wound motor is not without its drawbacks. One significant disadvantage is its sensitivity to changes in supply voltage. If the voltage fluctuates, it can lead to variations in speed, which might not be acceptable in precision applications. Additionally, while the motor can handle a wide range of speeds, it is not as efficient at very low speeds compared to other motor types, such as series-wound motors. This limitation makes it essential to carefully consider the application requirements before selecting a shunt-wound motor.Another important aspect of shunt-wound motors is their maintenance and longevity. Due to the design of the motor, the wear and tear on components tend to be lower than in other motor types, resulting in a longer operational life. Regular maintenance, such as checking the brushes and ensuring proper lubrication, can further enhance the durability of the motor. This reliability makes the shunt-wound motor a popular choice in industrial settings where downtime can be costly.In conclusion, the shunt-wound motor (分励电动机) is an essential component in the field of electrical engineering, offering unique benefits and challenges. Its ability to maintain a stable speed under varying loads makes it ideal for many applications. However, potential users must be aware of its limitations, particularly regarding voltage sensitivity and efficiency at low speeds. By understanding the operation and characteristics of the shunt-wound motor, engineers can make informed decisions when selecting the appropriate motor for their specific needs.

在电气工程领域，电动机在将电能转化为机械能方面发挥着至关重要的作用。在各种类型的电动机中，shunt-wound motor（分励电动机）因其独特的特性和应用而脱颖而出。理解shunt-wound motor的工作原理可以深入了解其优缺点，使其成为学生和专业人员的重要主题。shunt-wound motor是一种直流电动机，其磁场绕组与电枢绕组并联（或分励）连接。这种配置使得电动机在不同负载条件下能够保持相对恒定的速度。流经分励绕组的磁场电流与电枢电流相互独立，从而使电动机在多个速度范围内高效运行。这一特性使得shunt-wound motor特别适合需要稳定速度控制的应用，例如输送系统和风扇。shunt-wound motor的主要优点之一是其能够提供高启动扭矩。当电动机启动时，电枢电流达到最大值，产生强大的磁场。随着电动机加速，反电动势（EMF）增加，电枢电流减少，使电动机迅速达到额定速度。这一特点在需要从静止状态移动重负载的应用中非常有用。然而，shunt-wound motor并非没有缺点。其中一个显著的缺点是对电源电压变化的敏感性。如果电压波动，可能导致速度变化，这在精密应用中可能不可接受。此外，尽管电动机能够处理广泛的速度范围，但在非常低的速度下效率不如其他类型的电动机，如串励电动机。这一限制使得在选择shunt-wound motor之前必须仔细考虑应用需求。shunt-wound motor的另一个重要方面是其维护和耐久性。由于电动机的设计，部件的磨损通常低于其他类型的电动机，从而延长了其使用寿命。定期维护，例如检查刷子和确保适当润滑，可以进一步增强电动机的耐用性。这种可靠性使得shunt-wound motor成为工业环境中的热门选择，因为停机时间可能会导致高昂的成本。总之，shunt-wound motor（分励电动机）是电气工程领域的一个重要组成部分，提供独特的好处和挑战。它在不同负载下保持稳定速度的能力使其理想用于许多应用。然而，潜在用户必须意识到其局限性，特别是在电压敏感性和低速效率方面。通过理解shunt-wound motor的操作和特性，工程师可以在选择适合其特定需求的电动机时做出明智的决策。