self-excited motor

简明释义

自励电动机

英英释义

例句

1.The self-excited motor 自激电动机 is ideal for renewable energy systems like wind turbines.

自激电动机 self-excited motor 非常适合用于风力涡轮机等可再生能源系统。

2.The self-excited motor 自激电动机 is widely used in small electric vehicles due to its efficiency.

由于其高效性，自激电动机 self-excited motor 被广泛应用于小型电动车辆中。

3.Engineers prefer the self-excited motor 自激电动机 for applications that require low maintenance.

工程师更喜欢使用自激电动机 self-excited motor 用于需要低维护的应用。

4.The operation of a self-excited motor 自激电动机 is based on feedback from its own output.

自激电动机 self-excited motor 的运行基于其自身输出的反馈。

5.In industrial applications, the self-excited motor 自激电动机 can maintain a constant speed under varying loads.

在工业应用中，自激电动机 self-excited motor 能够在不同负载下保持恒定速度。

作文

The development of electrical machines has significantly transformed the way we harness energy and power various applications. Among these machines, the self-excited motor stands out due to its unique operational characteristics and advantages. A self-excited motor (自励电动机) is a type of electric motor that generates its own magnetic field using the current flowing through its windings. This self-sustaining mechanism allows the motor to operate efficiently without the need for an external power source for excitation. One of the primary benefits of a self-excited motor is its simplicity in design. Unlike separately excited motors, which require additional components to provide the excitation current, self-excited motors eliminate the need for these extra parts. This reduction in complexity not only lowers manufacturing costs but also enhances reliability, making them ideal for various industrial applications. For instance, they are commonly used in small-scale generators and battery-operated devices, where compactness and efficiency are crucial.Another advantage of self-excited motors is their ability to maintain stable operation under varying load conditions. The self-regulating nature of these motors allows them to adjust their excitation automatically as the load changes. This feature is particularly beneficial in applications where the load fluctuates frequently, ensuring consistent performance and reducing the risk of overload. In contrast, separately excited motors may struggle to adapt to sudden load changes, potentially leading to performance issues or even damage.Furthermore, self-excited motors are known for their excellent torque characteristics. They can produce high starting torque, which is essential for applications requiring immediate power delivery. This trait makes them suitable for driving heavy machinery and equipment in factories and construction sites. Additionally, the torque produced by a self-excited motor remains relatively constant across a wide range of speeds, providing versatility in various operating conditions.However, like any technology, self-excited motors do have some limitations. One notable drawback is their sensitivity to voltage fluctuations. Since the excitation is dependent on the armature current, significant changes in supply voltage can affect the motor's performance. This sensitivity necessitates careful consideration in applications where voltage stability cannot be guaranteed. Moreover, self-excited motors may not be as efficient as some modern alternatives, such as brushless DC motors, especially in high-performance applications.In conclusion, the self-excited motor (自励电动机) represents a crucial innovation in the field of electric motors. Its ability to generate its own magnetic field, coupled with its simple design and stable performance under varying loads, makes it a valuable choice for many applications. While there are some limitations to consider, the advantages of self-excited motors often outweigh the drawbacks, positioning them as a reliable option in both industrial and consumer markets. As technology continues to evolve, it will be interesting to see how the role of self-excited motors adapts to meet the demands of future energy solutions.

电气机器的发展显著改变了我们利用能源和为各种应用提供动力的方式。在这些机器中，自励电动机因其独特的操作特性和优势而脱颖而出。自励电动机（self-excited motor）是一种电动机，它利用流经绕组的电流生成自己的磁场。这种自给自足的机制使得电动机能够高效运行，而无需外部电源进行励磁。自励电动机的主要优点之一是其设计的简单性。与需要额外组件来提供励磁电流的单独励磁电动机不同，自励电动机消除了对这些额外部件的需求。这种复杂性的减少不仅降低了制造成本，还提高了可靠性，使它们非常适合各种工业应用。例如，它们通常用于小型发电机和电池供电的设备中，这些地方对紧凑性和效率有着至关重要的要求。另一个优势是自励电动机在负载条件变化下保持稳定运行的能力。这些电动机的自我调节特性使它们能够在负载变化时自动调整励磁。这一特性在负载频繁波动的应用中尤为有利，确保了一致的性能，并降低了过载的风险。相比之下，单独励磁电动机可能难以适应突发的负载变化，可能导致性能问题甚至损坏。此外，自励电动机以其卓越的扭矩特性而闻名。它们可以产生高起动扭矩，这对于需要立即提供动力的应用至关重要。这一特性使得它们适合驱动工厂和施工现场的重型机械和设备。此外，自励电动机在较宽的速度范围内产生的扭矩相对恒定，为各种操作条件提供了灵活性。然而，像任何技术一样，自励电动机也有一些局限性。其中一个显著的缺点是对电压波动的敏感性。由于励磁依赖于电枢电流，因此供电电压的重大变化会影响电动机的性能。这种敏感性在电压稳定性无法保证的应用中需要谨慎考虑。此外，在高性能应用中，自励电动机的效率可能不如一些现代替代品，例如无刷直流电动机。总之，自励电动机（self-excited motor）代表了电动机领域的重要创新。它能够生成自己的磁场，加上简单的设计和在变化负载下稳定的性能，使其成为许多应用的宝贵选择。尽管存在一些需要考虑的局限性，但自励电动机的优势往往超过缺点，使其成为工业和消费市场中的可靠选择。随着技术的不断发展，自励电动机在满足未来能源解决方案需求方面的角色将如何适应，值得关注。