transient stability limit

简明释义

动态稳定极限

英英释义

例句

1.The transient stability limit helps in determining the maximum disturbance that a power system can tolerate.

暂态稳定极限有助于确定电力系统可以承受的最大扰动。

2.Understanding the transient stability limit is crucial for designing reliable power systems.

理解暂态稳定极限对于设计可靠的电力系统至关重要。

3.The engineers calculated the system's transient stability limit to ensure it could handle sudden load changes.

工程师计算了系统的暂态稳定极限以确保它能够处理突发的负载变化。

4.Adjusting the generator settings improved the transient stability limit of the network significantly.

调整发电机设置显著提高了网络的暂态稳定极限。

5.During the simulation, we observed that the transient stability limit was exceeded, leading to system instability.

在模拟过程中，我们观察到超过了暂态稳定极限，导致系统不稳定。

作文

In the field of electrical engineering, particularly in power system analysis, understanding the concept of transient stability limit is crucial for ensuring the reliability and efficiency of electrical grids. The transient stability limit refers to the maximum level of disturbance that a power system can withstand without losing synchronism among its generators following a transient event, such as a fault or sudden change in load. This phenomenon is essential for maintaining the integrity of the power supply and preventing blackouts, which can have devastating effects on both the economy and daily life.To elaborate further, when a disturbance occurs in a power system, the generators experience a temporary imbalance between mechanical power input and electrical power output. The transient stability limit indicates how much disturbance the system can tolerate before it becomes unstable. If the disturbance exceeds this limit, some generators may fall out of sync with others, leading to a cascade of failures across the network. Therefore, engineers must carefully analyze and calculate the transient stability limit during the design and operation phases of power systems to ensure they can handle potential disturbances effectively.Several factors influence the transient stability limit. These include the type and configuration of generators, the nature of the disturbance, and the overall design of the power network. For instance, synchronous generators have specific characteristics that determine their ability to recover from disturbances. The damping ratio, inertia, and the control systems employed all play vital roles in how quickly and effectively a generator can regain stability after a transient event.Moreover, advancements in technology have allowed for more sophisticated methods of analyzing the transient stability limit. Modern simulation software enables engineers to model various scenarios and predict how the system will react to different types of disturbances. This predictive capability is invaluable for planning and operational strategies, as it helps identify potential weaknesses in the system and allows for proactive measures to be taken.In addition to technological advancements, regulatory standards and best practices have also evolved in response to the growing complexity of power systems. Utilities are now required to conduct regular assessments of their systems' transient stability limits to comply with safety and reliability standards. This ensures that the infrastructure can handle unexpected events without compromising service quality.In conclusion, the concept of transient stability limit is fundamental to the operation and reliability of power systems. It encompasses the ability of a system to withstand disturbances while maintaining synchronism among its components. As the demand for electricity continues to rise and the integration of renewable energy sources becomes more prevalent, understanding and managing the transient stability limit will be increasingly important. Engineers and utilities must remain vigilant in their efforts to assess and enhance this aspect of power system performance to safeguard against outages and ensure a stable energy supply for the future.

在电气工程领域，特别是在电力系统分析中，理解瞬态稳定极限的概念对于确保电网的可靠性和效率至关重要。瞬态稳定极限是指电力系统在经历瞬态事件（如故障或负荷突然变化）后，能够承受的最大扰动水平，而不会失去其发电机之间的同步性。这个现象对于维持电力供应的完整性和防止停电非常重要，因为停电可能对经济和日常生活造成毁灭性的影响。进一步阐述，当电力系统发生扰动时，发电机会经历机械功率输入与电气功率输出之间的暂时不平衡。瞬态稳定极限表明系统能够容忍多少扰动，才能保持稳定。如果扰动超过这一极限，一些发电机可能会与其他发电机失去同步，从而导致网络中的一系列故障。因此，工程师必须在电力系统的设计和操作阶段仔细分析和计算瞬态稳定极限，以确保它们能够有效应对潜在的扰动。多种因素会影响瞬态稳定极限。这些因素包括发电机的类型和配置、扰动的性质以及电力网络的整体设计。例如，同步发电机具有特定的特性，这些特性决定了它们从扰动中恢复的能力。阻尼比、惯性以及所采用的控制系统在发电机如何快速有效地恢复瞬态事件后的稳定性方面都起着重要作用。此外，技术的进步使得分析瞬态稳定极限的方法变得更加复杂。现代仿真软件使工程师能够模拟各种场景，并预测系统对不同类型扰动的反应。这种预测能力对于规划和运营策略至关重要，因为它有助于识别系统中的潜在弱点，并允许采取主动措施。除了技术进步外，监管标准和最佳实践也因电力系统日益复杂而不断发展。公用事业公司现在被要求定期评估其系统的瞬态稳定极限，以遵守安全和可靠性标准。这确保了基础设施能够处理意外事件，而不会影响服务质量。总之，瞬态稳定极限的概念是电力系统运行和可靠性的基础。它涵盖了系统在承受扰动时保持其组件之间同步的能力。随着电力需求的持续上升以及可再生能源的整合变得愈加普遍，理解和管理瞬态稳定极限将变得越来越重要。工程师和公用事业公司必须在评估和增强这一电力系统性能方面保持警惕，以防范停电，确保未来的稳定能源供应。