excitation voltage

简明释义

励磁电压

英英释义

例句

1.Adjusting the excitation voltage can help stabilize the output of the alternator.

调整励磁电压可以帮助稳定发电机的输出。

2.Engineers monitored the excitation voltage during the test to ensure proper functionality.

工程师在测试期间监测励磁电压以确保功能正常。

3.The generator requires a specific excitation voltage to start operating efficiently.

发电机需要特定的励磁电压才能高效运行。

4.A low excitation voltage can lead to poor performance in synchronous machines.

低励磁电压可能导致同步机器性能不佳。

5.The excitation voltage must be calibrated according to the load requirements.

必须根据负载需求校准励磁电压。

作文

In the field of electrical engineering, understanding various concepts is crucial for designing and operating efficient systems. One such concept is excitation voltage, which plays a pivotal role in the functioning of synchronous machines. The term excitation voltage refers to the voltage applied to the rotor winding of a synchronous generator or motor to create a magnetic field necessary for its operation. This magnetic field interacts with the stator's rotating magnetic field, enabling the machine to generate or convert electrical energy effectively.The importance of excitation voltage cannot be overstated. Without the appropriate excitation, a synchronous machine cannot maintain synchronism with the grid, leading to instability and potential failure. Engineers must carefully calculate the required excitation voltage based on the machine's design, load conditions, and operational requirements. Typically, the excitation system consists of an exciter, which generates the necessary voltage and current to energize the rotor.Moreover, the excitation voltage also influences the reactive power output of the machine. Reactive power is essential for maintaining voltage levels within the power system and supporting the overall stability of the grid. By adjusting the excitation voltage, operators can control the reactive power output, ensuring that the system operates within safe limits. This capability is vital during peak load conditions or when there are fluctuations in demand, as it helps prevent voltage collapse and enhances system reliability.In addition to its role in synchronous machines, excitation voltage is also relevant in other applications, such as transformers and induction machines. For instance, in transformers, the excitation voltage determines the magnetizing current required to establish the magnetic flux in the core. Similarly, in induction machines, the rotor's slip depends on the excitation conditions, affecting the overall performance and efficiency of the machine.Understanding excitation voltage involves not only grasping its definition but also recognizing its practical implications in real-world scenarios. Engineers often use simulation tools and software to model the behavior of synchronous machines under different excitation conditions. These simulations help in predicting performance, optimizing designs, and troubleshooting issues that may arise during operation.In conclusion, excitation voltage is a fundamental concept in electrical engineering, particularly concerning synchronous machines. Its significance extends beyond mere definitions, impacting the stability, efficiency, and reliability of electrical systems. As technology advances, the methods for generating and controlling excitation voltage continue to evolve, leading to more efficient and robust power systems. Understanding this concept is essential for anyone involved in electrical engineering, as it lays the foundation for designing systems that meet the demands of modern society. By mastering the principles of excitation voltage, engineers can contribute to the development of sustainable and reliable energy solutions for the future.

在电气工程领域，理解各种概念对于设计和操作高效系统至关重要。其中一个概念是励磁电压，它在同步机器的运行中发挥着关键作用。术语励磁电压指的是施加到同步发电机或电动机转子绕组上的电压，以产生其正常运行所需的磁场。这个磁场与定子的旋转磁场相互作用，使机器能够有效地产生或转换电能。励磁电压的重要性不容小觑。如果没有适当的励磁，同步机器无法与电网保持同步，导致不稳定和潜在的故障。工程师必须根据机器的设计、负载条件和操作要求仔细计算所需的励磁电压。通常，励磁系统由励磁机组成，该设备生成必要的电压和电流来给转子供电。此外，励磁电压还会影响机器的无功功率输出。无功功率对于维持电力系统内的电压水平和支持电网的整体稳定性至关重要。通过调整励磁电压，操作员可以控制无功功率输出，确保系统在安全范围内运行。这种能力在峰值负载条件或需求波动时尤为重要，因为它有助于防止电压崩溃并增强系统的可靠性。除了在同步机器中的作用外，励磁电压在变压器和感应机器等其他应用中也相关。例如，在变压器中，励磁电压决定了建立铁芯磁通所需的励磁电流。同样，在感应机器中，转子的滑差取决于励磁条件，影响机器的整体性能和效率。理解励磁电压不仅涉及掌握其定义，还需要认识到其在现实场景中的实际影响。工程师通常使用模拟工具和软件来模拟不同励磁条件下同步机器的行为。这些模拟有助于预测性能、优化设计以及排除在运行过程中可能出现的问题。总之，励磁电压是电气工程中的一个基本概念，特别是在同步机器方面。它的重要性超越了单纯的定义，影响着电气系统的稳定性、效率和可靠性。随着技术的进步，生成和控制励磁电压的方法不断演变，导致更高效和更强大的电力系统。理解这一概念对于任何从事电气工程工作的人来说都是必不可少的，因为它为设计满足现代社会需求的系统奠定了基础。通过掌握励磁电压的原理，工程师可以为未来可持续和可靠的能源解决方案的发展做出贡献。