direct axis reactance

简明释义

直轴电抗

英英释义

例句

1.In synchronous machines, the direct axis reactance (直轴反应电抗) plays a crucial role in determining stability.

在同步机器中，直轴反应电抗 (direct axis reactance) 在决定稳定性方面起着关键作用。

2.Engineers often measure the direct axis reactance (直轴反应电抗) to optimize generator performance.

工程师通常测量直轴反应电抗 (direct axis reactance) 以优化发电机性能。

3.A higher direct axis reactance (直轴反应电抗) value typically indicates better stability for the system.

较高的直轴反应电抗 (direct axis reactance) 值通常表明系统的稳定性更好。

4.The calculation of the machine's performance requires understanding the direct axis reactance (直轴反应电抗) in detail.

机器性能的计算需要详细理解直轴反应电抗 (direct axis reactance)。

5.The direct axis reactance (直轴反应电抗) can affect the voltage regulation of a synchronous generator.

在同步发电机中，直轴反应电抗 (direct axis reactance) 会影响电压调节。

作文

In the study of electrical engineering, particularly in the analysis of synchronous machines, the concept of direct axis reactance is crucial. This term refers to the opposition that a synchronous machine offers to the flow of alternating current (AC) along its direct axis. The direct axis is essentially the axis that aligns with the rotor's magnetic field. Understanding direct axis reactance is vital for engineers when designing and analyzing the performance of generators and motors. The direct axis reactance can be seen as an essential parameter in the synchronous reactance model of a machine. It plays a significant role in determining the machine's ability to produce torque and maintain stability under varying load conditions. When an AC voltage is applied to a synchronous machine, the current that flows through the machine experiences reactance, which affects the overall performance of the machine. One key aspect of direct axis reactance is its relationship with the machine's field winding. The field winding generates a magnetic field, which interacts with the armature winding to produce torque. The direct axis reactance is influenced by this magnetic interaction, and any changes in the field current can lead to variations in the direct axis reactance. Engineers must account for these variations to ensure that the machine operates efficiently across different load conditions. Moreover, the calculation of direct axis reactance involves several factors, including the physical dimensions of the machine, the materials used, and the operating frequency. Typically, the direct axis reactance is determined through tests such as the short-circuit test or the open-circuit test, where the machine's behavior is analyzed under controlled conditions. These tests provide valuable data that help engineers design machines with optimal performance characteristics. In addition to its importance in machine design, direct axis reactance also plays a crucial role in system stability studies. In power systems, synchronous machines are often connected to the grid, and their reactance values influence how they respond to disturbances in the system. For example, if there is a sudden change in load, the direct axis reactance will determine how quickly the machine can adjust to restore stability. This is particularly important in maintaining the reliability of power supply and preventing outages. Furthermore, the concept of direct axis reactance is not limited to synchronous machines alone. It is also applicable in various other contexts within electrical engineering, such as in the analysis of transformers and induction machines. Understanding the principles behind direct axis reactance allows engineers to make informed decisions when it comes to selecting equipment, designing systems, and troubleshooting issues. In conclusion, the term direct axis reactance encapsulates a fundamental aspect of electrical engineering that is essential for the analysis and design of synchronous machines. Its implications reach far beyond simple calculations; they touch on operational efficiency, stability, and the overall reliability of electrical systems. An in-depth understanding of direct axis reactance empowers engineers to innovate and enhance the performance of electrical machinery, ultimately contributing to advancements in technology and energy management. As the demand for efficient and reliable electrical systems continues to grow, the significance of mastering concepts like direct axis reactance becomes increasingly evident.

在电气工程的研究中，特别是在同步机器的分析中，直接轴反应电抗的概念至关重要。这个术语指的是同步机器沿其直接轴对交流电流流动的阻碍。直接轴本质上是与转子磁场对齐的轴。理解直接轴反应电抗对于工程师在设计和分析发电机和电动机的性能时至关重要。直接轴反应电抗可以看作是机器同步反应模型中的一个基本参数。它在决定机器产生扭矩的能力和在不同负载条件下维持稳定性方面发挥着重要作用。当交流电压施加到同步机器上时，流经机器的电流会经历电抗，这影响机器的整体性能。直接轴反应电抗的一个关键方面是它与机器励磁绕组的关系。励磁绕组产生一个磁场，该磁场与电枢绕组相互作用以产生扭矩。直接轴反应电抗受这种磁相互作用的影响，励磁电流的任何变化都可能导致直接轴反应电抗的变化。工程师必须考虑这些变化，以确保机器在不同负载条件下高效运行。此外，直接轴反应电抗的计算涉及多个因素，包括机器的物理尺寸、使用的材料和工作频率。通常，通过短路试验或开路试验等测试来确定直接轴反应电抗，在这些测试中，机器的行为在受控条件下进行分析。这些测试提供了宝贵的数据，帮助工程师设计具有最佳性能特征的机器。除了在机器设计中的重要性外，直接轴反应电抗在系统稳定性研究中也发挥着至关重要的作用。在电力系统中，同步机器通常连接到电网，其电抗值影响它们如何响应系统中的干扰。例如，如果负载发生突然变化，直接轴反应电抗将决定机器多快能够调整以恢复稳定。这在维护电力供应的可靠性和防止停电方面尤为重要。此外，直接轴反应电抗的概念并不限于同步机器。它还适用于电气工程中的各种其他上下文，例如变压器和感应机器的分析。理解直接轴反应电抗背后的原理使工程师能够在选择设备、设计系统和故障排除时做出明智的决策。总之，术语直接轴反应电抗概括了电气工程中的一个基本方面，这对于同步机器的分析和设计至关重要。它的影响远不止简单的计算；它涉及操作效率、稳定性和电气系统的整体可靠性。深入理解直接轴反应电抗使工程师能够创新和提高电气机械的性能，最终促进技术和能源管理的进步。随着对高效和可靠电气系统需求的不断增长，掌握如直接轴反应电抗这样的概念的重要性愈加明显。