power angle characteristics

简明释义

功率角特性

英英释义

例句

1.The research focused on the power angle characteristics 功率角特性 of synchronous machines under varying conditions.

研究集中在不同条件下同步机器的power angle characteristics 功率角特性。

2.In power systems, the power angle characteristics 功率角特性 can affect the load distribution significantly.

在电力系统中，power angle characteristics 功率角特性会显著影响负载分配。

3.The engineer analyzed the power angle characteristics 功率角特性 of the generator to optimize its performance.

工程师分析了发电机的power angle characteristics 功率角特性以优化其性能。

4.Understanding the power angle characteristics 功率角特性 is crucial for improving grid stability.

理解power angle characteristics 功率角特性对提高电网稳定性至关重要。

5.Engineers must consider the power angle characteristics 功率角特性 when designing new power plants.

工程师在设计新电厂时必须考虑power angle characteristics 功率角特性。

作文

The concept of power angle characteristics is crucial in the field of electrical engineering, particularly in the study of synchronous machines and power systems. To begin with, the term 'power angle' refers to the angle between the rotor magnetic field and the stator magnetic field in a synchronous machine. This angle plays a significant role in determining the performance and efficiency of the machine. Understanding the power angle characteristics helps engineers analyze how changes in this angle affect the output power and stability of the system.In synchronous machines, the power angle characteristics can be represented graphically, typically through a power-angle curve. This curve illustrates the relationship between the electrical power output and the power angle. As the power angle increases, the output power also increases up to a certain point, known as the maximum power point. Beyond this point, any further increase in the power angle can lead to instability and potential loss of synchronism. Therefore, understanding these characteristics is vital for the safe and efficient operation of power systems.One of the key aspects of the power angle characteristics is its implications for system stability. In a power system, maintaining synchronism among generators is essential for reliable operation. If the power angle becomes too large, it can indicate that one generator is producing more power than the others, leading to an imbalance. This imbalance can cause oscillations and, in severe cases, result in system failure. Engineers must carefully monitor the power angle characteristics to ensure that all generators remain synchronized and operate within safe limits.Moreover, the power angle characteristics are not only important for synchronous machines but also for understanding the behavior of the entire power grid. When there are disturbances in the system, such as sudden load changes or faults, the power angle can change rapidly. By analyzing the power angle characteristics, engineers can predict how the system will respond to these disturbances and design appropriate control strategies to maintain stability.In conclusion, the power angle characteristics are fundamental to the operation and stability of synchronous machines and power systems. A thorough understanding of this concept allows engineers to optimize the performance of electrical systems, ensuring that they operate efficiently and reliably. As power systems continue to evolve with the integration of renewable energy sources and advanced technologies, the significance of power angle characteristics will only increase. Engineers must continue to study and refine their understanding of these characteristics to meet the challenges of modern power systems effectively.

“功率角特性”这一概念在电气工程领域至关重要，尤其是在同步机器和电力系统的研究中。首先，“功率角”一词指的是同步机器中转子磁场与定子磁场之间的角度。这个角度在确定机器的性能和效率方面发挥着重要作用。理解功率角特性可以帮助工程师分析这一角度的变化如何影响输出功率和系统的稳定性。在同步机器中，功率角特性通常通过功率-角度曲线进行图形化表示。这条曲线描绘了电输出功率与功率角之间的关系。随着功率角的增加，输出功率也会增加，直到某一点，即最大功率点。超过这个点，功率角的进一步增加可能导致不稳定性和潜在的失去同步。因此，理解这些特性对于电力系统的安全和高效运行至关重要。功率角特性的一个关键方面是其对系统稳定性的影响。在电力系统中，保持发电机之间的同步对于可靠的操作至关重要。如果功率角变得过大，这可能表明某个发电机产生的功率超过其他发电机，导致不平衡。这种不平衡可能导致振荡，并在严重情况下导致系统故障。工程师必须仔细监控功率角特性，以确保所有发电机保持同步并在安全范围内运行。此外，功率角特性不仅对同步机器重要，还对理解整个电网的行为至关重要。当系统中发生扰动，例如突然的负载变化或故障时，功率角可能会迅速改变。通过分析功率角特性，工程师可以预测系统如何响应这些扰动，并设计适当的控制策略以保持稳定。总之，功率角特性是同步机器和电力系统运行与稳定的基础。对这一概念的透彻理解使工程师能够优化电气系统的性能，确保其高效可靠地运行。随着电力系统不断发展，整合可再生能源和先进技术，功率角特性的重要性将只会增加。工程师必须继续研究和完善对这些特性的理解，以有效应对现代电力系统面临的挑战。