synchronous impedance

简明释义

同步阻抗

英英释义

Synchronous impedance is the equivalent impedance of a synchronous machine, calculated as the sum of its stator resistance and the reactance due to its inductance, which determines the machine's performance under steady-state conditions.

同步阻抗是同步机器的等效阻抗,计算为其定子电阻和由于电感引起的反应抗的总和,决定了机器在稳态条件下的性能。

例句

1.In power systems, the synchronous impedance 同步阻抗 affects the short-circuit current calculations.

在电力系统中,synchronous impedance 同步阻抗影响短路电流的计算。

2.Understanding the synchronous impedance 同步阻抗 helps in designing more efficient electrical machines.

理解synchronous impedance 同步阻抗有助于设计更高效的电机。

3.Engineers often analyze the synchronous impedance 同步阻抗 to determine the voltage regulation of synchronous machines.

工程师们通常分析synchronous impedance 同步阻抗以确定同步机器的电压调节能力。

4.The synchronous impedance 同步阻抗 of a motor can be determined through various testing methods.

电动机的synchronous impedance 同步阻抗可以通过多种测试方法来确定。

5.The calculation of the generator's synchronous impedance 同步阻抗 is crucial for ensuring its stability during operation.

发电机的synchronous impedance 同步阻抗计算对于确保其运行稳定性至关重要。

作文

In the world of electrical engineering, particularly in the study of synchronous machines, the term synchronous impedance plays a crucial role. Understanding this concept is essential for engineers and students alike, as it directly relates to the performance and efficiency of synchronous generators and motors. The synchronous impedance can be defined as the ratio of the voltage to the current at synchronous speed, considering both the resistive and reactive components of the machine's impedance. This definition highlights the importance of both the real and imaginary parts of the impedance when analyzing the behavior of synchronous machines.When we delve deeper into the concept of synchronous impedance, we realize that it is not just a theoretical construct but a practical tool used in the design and analysis of electrical systems. For instance, in a synchronous generator, the synchronous impedance determines how the generator will respond to changes in load. A higher synchronous impedance indicates that the generator will have a more significant voltage drop under load conditions, which can impact the stability of the entire power system.One of the key aspects of synchronous impedance is its relationship with the power factor of the machine. The power factor is a measure of how effectively the electrical power is being converted into useful work output. In synchronous machines, if the synchronous impedance is high, it often leads to a lower power factor, which means that more reactive power is required to maintain the voltage levels. This is particularly important in industrial applications where maintaining a high power factor is essential for reducing energy costs and improving system efficiency.Moreover, the synchronous impedance is also vital in fault analysis and protection schemes within electrical networks. During fault conditions, understanding the synchronous impedance allows engineers to predict the behavior of the machine and the overall system. For example, if a fault occurs, the impedance will affect the fault current levels, which are critical for designing protective relays and circuit breakers. Thus, having a comprehensive understanding of synchronous impedance is fundamental for ensuring the reliability and safety of electrical systems.In conclusion, the concept of synchronous impedance is integral to the field of electrical engineering, particularly in the operation and analysis of synchronous machines. It encompasses various aspects such as load response, power factor, and fault analysis, making it a multifaceted topic that requires careful consideration. As technology advances and the demand for efficient electrical systems grows, the importance of mastering the concept of synchronous impedance cannot be overstated. Engineers must continue to explore and understand this critical parameter to optimize the performance of synchronous machines and ensure the stability of electrical grids worldwide.

在电气工程的世界中,尤其是在同步机器的研究中,术语synchronous impedance(同步阻抗)发挥着至关重要的作用。理解这一概念对工程师和学生来说都至关重要,因为它直接关系到同步发电机和电动机的性能和效率。synchronous impedance(同步阻抗)可以定义为在同步速度下电压与电流的比率,同时考虑到机器阻抗的电阻和反应成分。这一定义突出了在分析同步机器行为时,阻抗的实部和虚部的重要性。当我们深入探讨synchronous impedance(同步阻抗)的概念时,我们意识到它不仅仅是一个理论构造,而是用于电气系统设计和分析的实用工具。例如,在同步发电机中,synchronous impedance(同步阻抗)决定了发电机在负载变化时的响应。如果synchronous impedance(同步阻抗)较高,意味着发电机在负载条件下将会有更显著的电压下降,这可能会影响整个电力系统的稳定性。synchronous impedance(同步阻抗)的一个关键方面是它与机器功率因数的关系。功率因数是衡量电能转化为有用功输出的有效性。对于同步机器来说,如果synchronous impedance(同步阻抗)较高,通常会导致较低的功率因数,这意味着需要更多的无功功率来维持电压水平。这在工业应用中尤为重要,因为维持高功率因数对于降低能源成本和提高系统效率至关重要。此外,synchronous impedance(同步阻抗)在电气网络中的故障分析和保护方案中也至关重要。在故障条件下,理解synchronous impedance(同步阻抗)可以让工程师预测机器和整个系统的行为。例如,如果发生故障,阻抗将影响故障电流水平,而这些对于设计保护继电器和断路器至关重要。因此,全面理解synchronous impedance(同步阻抗)对于确保电气系统的可靠性和安全性是基础性的。总之,synchronous impedance(同步阻抗)这一概念在电气工程领域中是不可或缺的,特别是在同步机器的操作和分析中。它涵盖了负载响应、功率因数和故障分析等多个方面,使其成为一个多方面的话题,需要仔细考虑。随着技术的进步和对高效电气系统需求的增长,掌握synchronous impedance(同步阻抗)这一概念的重要性不容小觑。工程师必须继续探索和理解这一关键参数,以优化同步机器的性能,确保全球电网的稳定性。

相关单词

synchronous

synchronous详解:怎么读、什么意思、用法

impedance

impedance详解:怎么读、什么意思、用法