commutator pitch

简明释义

整流片距

英英释义

例句

1.During the assembly, we measured the commutator pitch to confirm it matched the specifications.

在组装过程中，我们测量了换向器齿距以确认其符合规格。

2.The engineer adjusted the commutator pitch to improve the performance of the generator.

工程师调整了换向器齿距以提高发电机的性能。

3.An incorrect commutator pitch can lead to excessive wear on the brushes.

不正确的换向器齿距可能导致刷子的过度磨损。

4.Understanding the commutator pitch is crucial for troubleshooting electrical issues.

理解换向器齿距对于排除电气问题至关重要。

5.The design of the motor requires careful consideration of the commutator pitch to ensure efficient operation.

电机的设计需要仔细考虑换向器齿距以确保高效运行。

作文

In the realm of electrical engineering, particularly in the design and function of DC motors and generators, the term commutator pitch plays a crucial role. Understanding this concept is essential for engineers and technicians who work with rotating machinery. The commutator pitch refers to the distance between the segments of the commutator that are connected to the armature windings of a machine. This parameter is vital as it influences the performance and efficiency of the motor or generator.To grasp the significance of commutator pitch, one must first understand the basic operation of a DC machine. A DC motor converts electrical energy into mechanical energy, while a DC generator does the opposite. Both devices rely on the interaction between magnetic fields and electric currents to function. The commutator is a critical component that helps in reversing the direction of current flow in the armature winding, ensuring that the torque produced by the machine remains unidirectional.The commutator pitch can be classified into two types: full pitch and fractional pitch. Full pitch means that the windings are connected to the commutator segments that are spaced apart by the total number of slots in the armature. In contrast, fractional pitch involves connecting the windings to segments that are not evenly spaced across the commutator. This difference affects the waveform of the induced voltage and the overall performance of the machine.One of the primary advantages of using a fractional commutator pitch is the reduction of harmonics in the generated voltage. Harmonics can lead to inefficiencies and increased heating in the machine. By carefully selecting the commutator pitch, engineers can optimize the performance of the motor or generator, enhancing its longevity and reliability.Moreover, the choice of commutator pitch also impacts the torque ripple experienced by the machine. Torque ripple refers to the variation in torque output as the machine operates. A well-designed commutator pitch can minimize these fluctuations, leading to smoother operation and improved performance. This is particularly important in applications where precision and stability are paramount, such as in robotics or aerospace.In addition to performance considerations, the commutator pitch also has implications for the mechanical design of the machine. A larger commutator pitch may require a more substantial commutator assembly, which can add weight and complexity to the design. Conversely, a smaller commutator pitch might simplify the construction but could compromise the machine's efficiency. Therefore, engineers must strike a balance between electrical performance and mechanical feasibility when determining the optimal commutator pitch for their designs.In conclusion, the concept of commutator pitch is integral to the design and operation of DC motors and generators. Its influence on performance, efficiency, and mechanical design makes it a critical factor for engineers in the field. By understanding and applying the principles of commutator pitch, professionals can create more effective and reliable machines that meet the demands of modern technology. As advancements in electrical engineering continue to evolve, the importance of optimizing commutator pitch will remain a significant area of focus for ongoing research and development.

在电气工程领域，尤其是在直流电动机和发电机的设计与功能中，术语换向器节距扮演着至关重要的角色。理解这一概念对于从事旋转机械工作的工程师和技术人员来说是必不可少的。换向器节距指的是连接到机器绕组的换向器段之间的距离。这个参数至关重要，因为它影响电动机或发电机的性能和效率。要理解换向器节距的重要性，首先必须了解直流机器的基本操作。直流电动机将电能转换为机械能，而直流发电机则反之。两种设备都依赖于磁场与电流之间的相互作用来运行。换向器是一个关键组件，它帮助在电枢绕组中反转电流方向，确保机器产生的扭矩保持单向。换向器节距可以分为全节距和分数节距两种类型。全节距意味着绕组连接到间隔为电枢槽总数的换向器段。相反，分数节距涉及将绕组连接到不均匀间隔的换向器段。这种差异会影响感应电压的波形以及机器的整体性能。使用分数换向器节距的主要优点之一是减少生成电压中的谐波。谐波可能导致效率降低和机器过热。通过仔细选择换向器节距，工程师可以优化电动机或发电机的性能，增强其耐用性和可靠性。此外，换向器节距的选择还会影响机器所经历的扭矩波动。扭矩波动是指机器运行时输出扭矩的变化。精心设计的换向器节距可以最小化这些波动，从而实现更平稳的操作和改善的性能。这在需要精确和稳定性的应用中尤为重要，例如机器人技术或航空航天。除了性能考虑外，换向器节距还对机器的机械设计产生影响。较大的换向器节距可能需要更大的换向器组件，这可能会增加设计的重量和复杂性。相反，较小的换向器节距可能简化结构，但可能会妨碍机器的效率。因此，工程师在确定其设计的最佳换向器节距时，必须在电气性能和机械可行性之间取得平衡。总之，换向器节距的概念对于直流电动机和发电机的设计和操作至关重要。它对性能、效率和机械设计的影响使其成为该领域工程师的关键因素。通过理解和应用换向器节距的原理，专业人士可以创造出更有效和可靠的机器，以满足现代技术的需求。随着电气工程的不断发展，优化换向器节距的重要性将继续成为持续研究和发展的重要领域。