backward impedance

简明释义

反向阻抗;

英英释义

Backward impedance refers to the opposition that a circuit presents to current flow in the reverse direction, often used in the context of electrical engineering and signal processing.

反向阻抗是指电路在逆向电流流动时所呈现的阻力,通常用于电气工程和信号处理的上下文中。

例句

1.The backward impedance 反向阻抗 of the transformer can affect its efficiency significantly.

变压器的反向阻抗 backward impedance 可能会显著影响其效率。

2.In feedback control systems, the backward impedance 反向阻抗 plays a key role in determining system response.

在反馈控制系统中,反向阻抗 backward impedance 在确定系统响应方面起着关键作用。

3.In electrical engineering, the concept of backward impedance 反向阻抗 is crucial for analyzing circuit behavior under reverse conditions.

在电气工程中,反向阻抗 backward impedance 的概念对于分析电路在逆向条件下的行为至关重要。

4.When designing RF circuits, engineers must consider the backward impedance 反向阻抗 to ensure proper signal reflection.

在设计射频电路时,工程师必须考虑反向阻抗 backward impedance 以确保信号反射正常。

5.The measurement of backward impedance 反向阻抗 helps in understanding the stability of the system.

反向阻抗 backward impedance 的测量有助于理解系统的稳定性。

作文

In the field of electrical engineering, the term backward impedance refers to a specific phenomenon that occurs when analyzing the behavior of electrical circuits, particularly in alternating current (AC) systems. Understanding this concept is crucial for engineers and technicians who design and maintain electrical systems. To grasp the significance of backward impedance, we first need to explore what impedance means in general. Impedance is the measure of opposition that a circuit presents to the flow of alternating current. It combines both resistance and reactance, which are essential components in AC analysis.When we talk about backward impedance, we are focusing on how impedance behaves when the current flows in the reverse direction. This situation can arise in various scenarios, such as during fault conditions or when dealing with regenerative braking in electric vehicles. In these cases, the current does not follow the traditional path, leading to unique challenges in circuit analysis and system stability.One practical example of backward impedance can be found in power distribution networks. When there is a sudden change in load or a fault occurs, the current may flow backward through the system. Engineers must account for this backward impedance to ensure that protective devices, such as circuit breakers and relays, function correctly. If these devices are not calibrated to recognize the backward impedance, they may fail to trip in time, potentially leading to equipment damage or safety hazards.Moreover, the concept of backward impedance is also relevant in the context of renewable energy sources, such as solar panels and wind turbines. These systems often feed electricity back into the grid, creating situations where the current can flow in reverse. Understanding how backward impedance affects the overall system is vital for integrating these renewable sources efficiently and safely.In conclusion, the term backward impedance embodies a critical aspect of electrical engineering that highlights the challenges posed by reverse current flow in AC systems. As technology advances and the demand for reliable and efficient electrical systems increases, a solid understanding of backward impedance will be indispensable for engineers and technicians alike. By recognizing its implications and ensuring proper system design, we can enhance the safety and performance of electrical networks, ultimately contributing to a more sustainable future.

在电气工程领域,术语backward impedance指的是在分析电路行为时出现的一种特定现象,特别是在交流(AC)系统中。理解这个概念对于设计和维护电气系统的工程师和技术人员至关重要。要掌握backward impedance的重要性,我们首先需要探讨阻抗的一般含义。阻抗是电路对交流电流流动所表现出的反对力的度量。它结合了电阻和电抗,这两者在交流分析中都是必不可少的组成部分。当我们谈论backward impedance时,我们关注的是当电流反向流动时阻抗的行为。这种情况可能在各种情形下发生,例如在故障条件下,或在电动车辆的再生制动过程中。在这些情况下,电流不会沿着传统路径流动,导致电路分析和系统稳定性面临独特的挑战。一个关于backward impedance的实际例子可以在电力分配网络中找到。当负载突然变化或发生故障时,电流可能会反向流过系统。工程师必须考虑这种backward impedance以确保保护装置(如断路器和继电器)能够正常工作。如果这些设备没有校准以识别backward impedance,它们可能无法及时跳闸,从而可能导致设备损坏或安全隐患。此外,backward impedance的概念在可再生能源源(如太阳能电池板和风力涡轮机)的背景下也很相关。这些系统通常将电力反馈到电网中,创造了电流可能反向流动的情况。了解backward impedance如何影响整个系统对于高效、安全地整合这些可再生能源至关重要。总之,术语backward impedance体现了电气工程的一个关键方面,突显了在交流系统中反向电流流动所带来的挑战。随着技术的发展和对可靠、高效电气系统需求的增加,扎实理解backward impedance对工程师和技术人员来说将是不可或缺的。通过认识其影响并确保适当的系统设计,我们可以提高电气网络的安全性和性能,最终为更可持续的未来做出贡献。

相关单词

impedance

impedance详解:怎么读、什么意思、用法