asynchronous motor

简明释义

感应电动机

英英释义

例句

1.An asynchronous motor is preferred in applications where speed control is not critical.

在速度控制不是关键的应用中，通常选择异步电动机。

2.The factory uses an asynchronous motor to drive the conveyor belt for efficient material handling.

工厂使用异步电动机驱动输送带以提高物料处理效率。

3.In wind turbines, asynchronous motors are often used to convert mechanical energy into electrical energy.

在风力涡轮机中，通常使用异步电动机将机械能转换为电能。

4.The efficiency of an asynchronous motor can be improved by using variable frequency drives.

通过使用变频驱动，可以提高异步电动机的效率。

5.Many household appliances, like washing machines, utilize an asynchronous motor for their operation.

许多家用电器，如洗衣机，利用异步电动机进行操作。

作文

The development of electric motors has significantly transformed various industries, and among these, the asynchronous motor plays a crucial role. An asynchronous motor (异步电动机) is a type of alternating current (AC) motor where the rotor does not rotate at the same speed as the magnetic field produced by the stator. This unique characteristic sets it apart from synchronous motors, where the rotor speed matches the frequency of the supply current. Understanding the functionality and applications of the asynchronous motor is essential for both engineers and technicians in the field of electrical engineering.One of the primary advantages of the asynchronous motor is its simplicity and robustness. These motors are generally more durable and easier to maintain than their synchronous counterparts. The absence of brushes in many designs reduces wear and tear, leading to a longer operational life. Additionally, asynchronous motors can be manufactured in a wide range of sizes and power ratings, making them suitable for various applications, from small household appliances to large industrial machinery.Another significant benefit of the asynchronous motor is its efficiency in converting electrical energy into mechanical energy. When powered by an AC supply, the stator generates a rotating magnetic field that induces a current in the rotor. This induced current creates a torque that causes the rotor to turn. The difference in speed between the rotor and the magnetic field is known as slip, which is a fundamental aspect of how asynchronous motors operate. The slip allows these motors to adjust their speed according to the load, making them highly versatile.In terms of applications, asynchronous motors are widely used in various sectors, including manufacturing, HVAC systems, and transportation. In manufacturing, they drive conveyor belts, pumps, and fans, where variable speed and high reliability are essential. In HVAC systems, asynchronous motors are often used in compressors and blowers to ensure efficient airflow and temperature control. Furthermore, in transportation, these motors are employed in electric vehicles and trains due to their ability to provide consistent performance over extended periods.Despite their many advantages, asynchronous motors do have some limitations. For instance, they typically require a three-phase power supply to operate efficiently, which may not be available in all locations. Additionally, while they are generally more cost-effective than synchronous motors, their efficiency can be lower under certain conditions, particularly at low loads. Engineers must carefully consider these factors when selecting a motor for a specific application.In conclusion, the asynchronous motor (异步电动机) is a vital component in modern electrical engineering, offering a blend of durability, efficiency, and versatility. Its ability to adapt to varying loads and its widespread applicability make it a preferred choice in many industries. As technology continues to advance, the role of asynchronous motors will likely expand, paving the way for innovative solutions and improved operational efficiencies across various sectors.

电动机的发展显著改变了各行各业，其中，异步电动机（asynchronous motor）发挥着至关重要的作用。异步电动机是一种交流电动机，其转子与定子产生的磁场并不以相同的速度旋转。这一独特特性使其与同步电动机区别开来，后者的转子速度与供电电流的频率相匹配。理解异步电动机的功能和应用对于电气工程领域的工程师和技术人员至关重要。异步电动机的主要优点之一是其简单性和稳健性。这些电动机通常比同步电动机更耐用且维护更容易。许多设计中缺乏刷子减少了磨损，从而延长了操作寿命。此外，异步电动机可以制造成各种尺寸和功率等级，使其适用于从小型家用电器到大型工业机械的各种应用。异步电动机的另一个显著好处是其在将电能转化为机械能方面的效率。当由交流电源供电时，定子产生的旋转磁场会在转子中感应出电流。这个感应电流产生的扭矩使转子转动。转子与磁场之间的速度差称为滑差，这是异步电动机运作的基本方面。滑差使这些电动机能够根据负载调整其速度，从而具有很高的灵活性。在应用方面，异步电动机广泛应用于制造、暖通空调（HVAC）系统和交通运输等多个领域。在制造业中，它们驱动输送带、泵和风扇，在这些应用中，变速和高可靠性至关重要。在HVAC系统中，异步电动机常用于压缩机和鼓风机，以确保高效的气流和温度控制。此外，在交通运输中，由于其能够在较长时间内提供一致的性能，这些电动机被应用于电动车辆和火车。尽管有许多优点，异步电动机也存在一些局限性。例如，它们通常需要三相电源才能高效运行，而这种电源在所有地点可能并不都可用。此外，虽然它们通常比同步电动机更具成本效益，但在某些情况下，尤其是在低负载下，它们的效率可能较低。在选择特定应用的电动机时，工程师必须仔细考虑这些因素。总之，异步电动机（asynchronous motor）是现代电气工程中的一个重要组成部分，提供了耐用性、效率和灵活性的结合。它适应变化负载的能力及其广泛的适用性使其成为许多行业的首选。随着技术的不断进步，异步电动机的角色可能会进一步扩展，为各个领域的创新解决方案和提高操作效率铺平道路。