arc excitation

简明释义

电护发;

英英释义

例句

1.During the experiment, we observed the effects of arc excitation 弧激励 on the plasma stability.

在实验中，我们观察到arc excitation 弧激励对等离子体稳定性的影响。

2.The team developed a new method to enhance arc excitation 弧激励 in semiconductor devices.

团队开发了一种新方法，以增强半导体器件中的arc excitation 弧激励。

3.The research focused on optimizing arc excitation 弧激励 parameters for improved energy efficiency.

研究集中在优化arc excitation 弧激励参数以提高能效。

4.Understanding arc excitation 弧激励 is crucial for designing reliable electrical circuits.

理解arc excitation 弧激励对设计可靠的电路至关重要。

5.The engineer explained the process of arc excitation 弧激励 in the context of high-voltage power systems.

工程师在高压电力系统的背景下解释了arc excitation 弧激励的过程。

作文

In the field of electrical engineering, the term arc excitation refers to the process of initiating and maintaining an electric arc in various applications. This phenomenon is crucial in numerous industrial processes, particularly in welding, plasma cutting, and electrical discharge machining. Understanding arc excitation is essential for engineers and technicians who work with high-voltage equipment and systems that rely on controlled arcs for their operation.The concept of arc excitation can be traced back to the discovery of the electric arc itself, which occurs when a current flows through the air or another medium between two electrodes. This flow of electricity ionizes the surrounding air, creating a conductive path that allows the current to continue flowing. The ability to control this process is vital for ensuring safety and efficiency in applications where arcs are present.In welding, for example, arc excitation is critical for establishing the initial arc between the electrode and the workpiece. Once the arc is established, it generates intense heat, melting the base material and allowing for the fusion of metals. The technique employed to achieve arc excitation can vary depending on the type of welding process being used, such as TIG (Tungsten Inert Gas) or MIG (Metal Inert Gas) welding. Each method has its own specific requirements for arc excitation, influencing factors like the voltage, current, and type of shielding gas utilized.Moreover, arc excitation is also a key factor in plasma cutting, where a high-temperature plasma jet is generated to cut through metals. The initial arc excitation creates a small arc that ionizes the gas, allowing for a sustained plasma arc that can reach temperatures exceeding several thousand degrees Celsius. This process requires precise control of the arc excitation parameters to ensure a clean and efficient cut without damaging the surrounding material.In electrical discharge machining (EDM), arc excitation plays a similar role. EDM utilizes a series of rapid electrical discharges to erode material from a workpiece. The arc excitation must be finely tuned to create the right conditions for these discharges to occur effectively, ensuring high accuracy and surface quality in the finished product.Despite its many benefits, arc excitation also poses certain risks. The high temperatures involved can lead to burns, injuries, or even fires if not managed properly. Therefore, safety protocols and protective equipment are essential when working with processes that involve arc excitation. Engineers must also consider the environmental impact of these processes, as they can produce harmful emissions if not adequately controlled.In conclusion, arc excitation is a fundamental concept in electrical engineering that has significant implications across various industries. Its understanding is vital for the safe and effective use of technologies that rely on electric arcs. As technology continues to advance, the methods and applications of arc excitation will likely evolve, presenting new challenges and opportunities for engineers and technicians alike. By mastering this concept, professionals can enhance their skills and contribute to the ongoing development of innovative solutions in the field of electrical engineering.

在电气工程领域，术语弧激励指的是在各种应用中启动和维持电弧的过程。这种现象在许多工业过程中至关重要，特别是在焊接、等离子切割和电火花加工中。理解弧激励对于与高压设备和依赖于控制电弧进行操作的系统的工程师和技术人员来说是必不可少的。弧激励的概念可以追溯到电弧本身的发现，当电流在两个电极之间通过空气或其他介质流动时，就会发生这种现象。这种电流的流动会使周围的空气电离，从而创建一个导电路径，使电流能够继续流动。控制这一过程的能力对于确保在存在电弧的应用中安全和效率至关重要。例如，在焊接中，弧激励对于在电极和工件之间建立初始电弧至关重要。一旦电弧建立，它会产生强烈的热量，熔化基材并允许金属的融合。实现弧激励所采用的技术可能因所使用的焊接过程类型而异，例如TIG（钨惰性气体）焊接或MIG（金属惰性气体）焊接。每种方法对弧激励有其特定的要求，影响电压、电流和所使用的保护气体类型等因素。此外，在等离子切割中，弧激励也是一个关键因素，其中生成高温等离子射流以切割金属。初始的弧激励创建一个小电弧，电离气体，从而允许持续的等离子弧达到超过几千摄氏度的温度。这个过程需要精确控制弧激励参数，以确保干净高效的切割，而不损坏周围材料。在电火花加工（EDM）中，弧激励也发挥着类似的作用。EDM利用一系列快速的电放电来侵蚀工件的材料。弧激励必须经过精细调整，以创造出有效发生这些放电的正确条件，确保成品的高精度和表面质量。尽管有许多好处，但弧激励也带来了一定的风险。涉及的高温如果管理不当，可能导致烧伤、受伤甚至火灾。因此，在处理涉及弧激励的过程时，安全协议和保护设备是必不可少的。工程师还必须考虑这些过程对环境的影响，因为如果没有适当控制，可能会产生有害排放。总之，弧激励是电气工程中的一个基本概念，对各个行业具有重要意义。理解这一概念对于安全有效地使用依赖于电弧的技术至关重要。随着技术的不断进步，弧激励的方法和应用可能会不断演变，为工程师和技术人员带来新的挑战和机遇。通过掌握这一概念，专业人士可以提升他们的技能，并为电气工程领域创新解决方案的发展做出贡献。