commutator machine

简明释义

整流式电机

英英释义

例句

1.Maintenance of the commutator machine 换向器机器 is crucial to prevent electrical failures.

维护换向器机器对于防止电气故障至关重要。

2.The commutator machine 换向器机器 is essential in many electric motors for efficient operation.

在许多电动机中，换向器机器是高效运作的重要组成部分。

3.The design of the commutator machine 换向器机器 has evolved significantly over the last century.

在过去的一个世纪里，换向器机器的设计有了显著的发展。

4.The engineer explained how the commutator machine 换向器机器 works in converting direct current into alternating current.

工程师解释了换向器机器是如何将直流电转换为交流电的。

5.In our physics lab, we built a simple commutator machine 换向器机器 to demonstrate electromagnetic principles.

在我们的物理实验室里，我们建造了一个简单的换向器机器来演示电磁原理。

作文

The development of electrical machines has significantly transformed the way we generate and use energy. One of the most important inventions in this field is the commutator machine, which plays a crucial role in converting mechanical energy into electrical energy. The commutator machine is essentially a type of electric machine that uses a commutator to reverse the direction of current flow in the rotor windings. This mechanism allows for the continuous rotation of the machine, making it an essential component in various applications such as generators and motors.To understand the significance of the commutator machine, we must first explore its components and how they function together. At the heart of the commutator machine is the rotor, which is the rotating part of the machine. Surrounding the rotor are stator windings, which are stationary and create a magnetic field when energized. The commutator itself is a split ring connected to the rotor and serves as a switch that periodically reverses the current direction as the rotor spins.The operation of the commutator machine can be likened to a dance between the magnetic fields and the electric currents. As the rotor turns, the commutator ensures that the current flowing through the rotor windings changes direction at just the right moments. This change in current direction interacts with the magnetic field produced by the stator, resulting in continuous rotational motion. Without the commutator, the rotor would experience a loss of torque and would not be able to maintain its rotation, effectively rendering the machine useless.Historically, the invention of the commutator machine can be traced back to the early 19th century when pioneers like Michael Faraday and Joseph Henry laid the groundwork for electromagnetic theory. However, it was Thomas Edison who famously developed the first practical commutator machine for use in his direct current (DC) generators. Edison's innovations not only improved the efficiency of electricity generation but also made it possible to distribute electrical power over long distances.In modern times, while alternating current (AC) systems have become more prevalent, the commutator machine still holds relevance in specific applications. For instance, DC motors, which are widely used in electric vehicles and various industrial machines, rely on the principles of the commutator machine for their operation. These motors are favored for their simplicity, ease of control, and ability to provide high starting torque.Moreover, advancements in technology have led to the development of brushless DC motors, which eliminate the need for a physical commutator. Instead, these motors utilize electronic controllers to manage the current flow, thus enhancing efficiency and reducing maintenance needs. However, understanding the fundamental principles behind the traditional commutator machine is essential for engineers and technicians working in the field of electrical engineering.In conclusion, the commutator machine is a vital invention that has paved the way for numerous advancements in electrical engineering. Its ability to convert mechanical energy into electrical energy through the ingenious use of a commutator has made it an indispensable tool in various applications. As technology continues to evolve, the principles underlying the commutator machine remain relevant, providing a foundation for future innovations in energy conversion and electrical machinery. Whether in historical contexts or modern applications, the commutator machine exemplifies the ingenuity of human innovation in harnessing the power of electricity.

电机的发展显著改变了我们产生和使用能源的方式。在这一领域，最重要的发明之一就是换向机，它在将机械能转换为电能的过程中发挥着至关重要的作用。换向机本质上是一种电动机，它利用换向器来逆转转子绕组中的电流方向。这一机制使得机器能够持续旋转，因此在发电机和电动机等各种应用中都是一个重要组成部分。要理解换向机的重要性，我们必须首先探讨其组成部分及其如何协同工作。在换向机的核心是转子，它是机器的旋转部分。围绕转子的是定子绕组，当被激活时，它们是静止的并产生磁场。换向器本身是连接到转子的分裂环，充当开关，在转子旋转时周期性地逆转电流方向。换向机的操作可以比作磁场与电流之间的舞蹈。当转子转动时，换向器确保流经转子绕组的电流在适当的时刻改变方向。这种电流方向的变化与定子产生的磁场相互作用，从而导致连续的旋转运动。如果没有换向器，转子将会失去扭矩，无法维持旋转，从而有效地使机器变得无用。从历史上看，换向机的发明可以追溯到19世纪初，当时迈克尔·法拉第和约瑟夫·亨利奠定了电磁理论的基础。然而，正是托马斯·爱迪生首次开发了用于直流（DC）发电机的实用换向机。爱迪生的创新不仅提高了发电效率，还使电力能够在长距离范围内进行分配。在现代，尽管交流（AC）系统变得更加普遍，换向机在特定应用中仍然具有相关性。例如，广泛应用于电动汽车和各种工业机器的直流电动机依赖于换向机的原理来运行。这些电动机因其简单性、易控制性和提供高起始扭矩的能力而受到青睐。此外，技术的进步导致无刷直流电动机的发展，这消除了对物理换向器的需求。相反，这些电动机利用电子控制器来管理电流流动，从而提高效率并减少维护需求。然而，理解传统换向机背后的基本原理对于在电气工程领域工作的工程师和技术人员来说至关重要。总之，换向机是一个重要的发明，它为电气工程的众多进步铺平了道路。通过巧妙地利用换向器将机械能转换为电能的能力，使其成为各种应用中不可或缺的工具。随着技术的不断发展，换向机背后的原理仍然保持相关性，为未来在能量转换和电气机械方面的创新提供基础。无论是在历史背景还是现代应用中，换向机都体现了人类在利用电力方面的创造力。