speed droop

简明释义

降速

英英释义

例句

1.We need to monitor the speed droop closely to ensure the system remains stable under varying loads.

我们需要密切监测转速下降，以确保系统在变化负载下保持稳定。

2.The engine experienced a significant speed droop during the load test, indicating potential issues with its performance.

在负载测试中，发动机经历了显著的转速下降，这表明其性能可能存在问题。

3.To prevent speed droop, we adjusted the governor settings on the turbine.

为了防止转速下降，我们调整了涡轮机的调速器设置。

4.If the speed droop is too high, it could lead to inefficient operation of the generator.

如果转速下降过高，可能会导致发电机运行效率低下。

5.The technician noted that the speed droop was within acceptable limits during the inspection.

技术员在检查中注意到转速下降在可接受的范围内。

作文

In the world of engineering and mechanical systems, particularly in the context of power generation and electrical engineering, the term speed droop refers to a specific phenomenon that occurs in synchronous generators. This phenomenon is crucial for maintaining stability and reliability in power systems. When a generator is connected to a load, the frequency of the generated electricity can drop slightly due to an increase in load demand. This decrease in frequency is what we call speed droop (速度下垂). It is a critical aspect of how generators respond to changes in load conditions.Understanding speed droop is essential for engineers and operators who manage power plants. When a synchronous generator operates at a constant speed, any sudden change in load can lead to a temporary imbalance between the power generated and the power consumed. If the load increases suddenly, the generator may not be able to supply enough power immediately, causing the speed of the generator to decrease and the frequency to drop. This is where speed droop comes into play, as it represents the relationship between the load and the frequency of the generator.The concept of speed droop is typically expressed as a percentage. For example, a generator with a droop of 5% means that if the generator is operating at its rated speed (usually defined as 100%), an increase in load will cause the speed to drop to 95% of its rated speed. This characteristic is vital for the operation of multiple generators in parallel, as it helps to ensure that they share the load proportionally. Without proper speed droop settings, one generator could take on too much load while others remain underutilized, leading to potential damage or instability in the system.Moreover, speed droop plays a significant role in the automatic generation control (AGC) systems used in modern power grids. AGC systems rely on the droop characteristics of generators to maintain system frequency within acceptable limits. When the frequency drops due to increased demand, the AGC can signal generators with appropriate speed droop settings to increase their output, thereby stabilizing the system. This interaction is critical for ensuring that the power grid remains reliable and efficient, particularly as demand fluctuates throughout the day.In conclusion, the phenomenon of speed droop is a fundamental concept in the operation of synchronous generators and power systems. It reflects how generators respond to changes in load and plays a vital role in maintaining system stability. Understanding speed droop is essential for engineers and operators to ensure that power generation is both efficient and reliable. As the energy landscape continues to evolve with the integration of renewable sources and advanced technologies, the importance of managing speed droop effectively will only grow, highlighting the need for ongoing education and adaptation in the field of electrical engineering.

在工程和机械系统的世界中，特别是在发电和电气工程的背景下，术语速度下垂指的是同步发电机中发生的特定现象。这一现象对于维持电力系统的稳定性和可靠性至关重要。当发电机连接到负载时，生成的电力频率可能会因负载需求的增加而略微下降。这个频率的下降就是我们所称的速度下垂（speed droop）。它是发电机如何响应负载条件变化的关键方面。理解速度下垂对于管理发电厂的工程师和操作员来说至关重要。当同步发电机以恒定速度运行时，任何负载的突然变化都可能导致发电功率与消耗功率之间的暂时失衡。如果负载突然增加，发电机可能无法立即提供足够的电力，导致发电机的速度下降，频率降低。这就是速度下垂发挥作用的地方，因为它代表了负载与发电机频率之间的关系。速度下垂的概念通常以百分比表示。例如，一个具有5%下垂的发电机意味着如果发电机以额定速度（通常定义为100%）运行，负载的增加将导致速度下降到其额定速度的95%。这一特性对多个并联发电机的运行至关重要，因为它有助于确保它们按比例分担负载。如果没有适当的速度下垂设置，一台发电机可能会承担过多的负载，而其他发电机则保持低利用率，从而导致潜在的损坏或系统不稳定。此外，速度下垂在现代电网中使用的自动发电控制（AGC）系统中也起着重要作用。AGC系统依赖于发电机的下垂特性来保持系统频率在可接受的范围内。当由于需求增加而导致频率下降时，AGC可以向具有适当速度下垂设置的发电机发出信号，以增加其输出，从而稳定系统。这种相互作用对于确保电力网的可靠性和效率至关重要，尤其是在需求在一天中的波动时。总之，速度下垂现象是同步发电机和电力系统操作中的一个基本概念。它反映了发电机如何响应负载变化，并在维持系统稳定性方面发挥着重要作用。理解速度下垂对于工程师和操作员确保发电既高效又可靠至关重要。随着能源格局的不断演变，整合可再生能源和先进技术，有效管理速度下垂的重要性只会增加，这突显了在电气工程领域继续教育和适应的必要性。