ground resistance
简明释义
接地电阻
英英释义
Ground resistance refers to the measure of how much an electrical ground connection resists the flow of electric current into the earth. | 接地电阻是指电气接地连接对电流流入大地的阻碍程度。 |
例句
1.The technician recommended regular checks on ground resistance to prevent equipment failures.
技术员建议定期检查接地电阻以防止设备故障。
2.To improve performance, we need to reduce the ground resistance of the installation.
为了提高性能,我们需要降低安装的接地电阻。
3.During the storm, we noticed an increase in ground resistance affecting the power lines.
在暴风雨期间,我们注意到影响电力线的接地电阻增加。
4.The engineer measured the ground resistance to ensure the safety of the electrical system.
工程师测量了接地电阻以确保电气系统的安全性。
5.High ground resistance can lead to electrical faults in the system.
高接地电阻可能导致系统中的电气故障。
作文
Ground resistance is a crucial concept in the field of electrical engineering and safety. It refers to the measure of how much a ground connection resists the flow of electric current into the earth. This resistance can significantly affect the performance of electrical systems and the safety of individuals working with or around these systems. Understanding ground resistance (接地电阻) is essential for ensuring that electrical installations are safe and effective.In practical terms, ground resistance (接地电阻) is important for several reasons. First, it helps to prevent electrical shocks. When there is a fault in an electrical system, such as a short circuit, the excess current needs a path to the ground to avoid dangerous situations. If the ground resistance (接地电阻) is too high, the current may not flow effectively into the ground, which can lead to hazardous voltage levels on equipment and surfaces. Therefore, maintaining a low ground resistance (接地电阻) is vital for protecting both people and property.Moreover, ground resistance (接地电阻) plays a significant role in the operation of lightning protection systems. When lightning strikes a building, the energy needs to be dissipated safely into the ground. A low ground resistance (接地电阻) ensures that the lightning current is effectively channeled away from the structure, minimizing the risk of fire or damage. Engineers must calculate and design grounding systems that achieve optimal ground resistance (接地电阻) to ensure safety during such events.Another aspect to consider is the impact of soil conditions on ground resistance (接地电阻). The type of soil, moisture content, and temperature can all influence the resistance encountered when grounding an electrical system. For instance, sandy or dry soils typically have higher ground resistance (接地电阻) compared to moist clay soils. This variability means that engineers must conduct site-specific tests to determine the ground resistance (接地电阻) and design appropriate grounding systems accordingly.Furthermore, regular maintenance and testing of ground resistance (接地电阻) are necessary to ensure ongoing safety and functionality. Over time, changes in the environment, such as construction nearby or natural erosion, can alter the effectiveness of grounding systems. Therefore, periodic checks can help identify any increases in ground resistance (接地电阻), allowing for timely interventions to maintain safety standards.In conclusion, understanding ground resistance (接地电阻) is fundamental for anyone involved in electrical work. It is not just a technical specification; it is a critical factor that influences the safety and reliability of electrical systems. By comprehensively studying and managing ground resistance (接地电阻), we can protect lives and property from the dangers associated with electricity. As technology advances and electrical systems become more complex, the importance of mastering this concept will only continue to grow.
接地电阻是电气工程和安全领域中的一个关键概念。它指的是接地连接对电流流入大地的阻力的测量。这种阻力会显著影响电气系统的性能以及与这些系统一起工作或在其周围工作的人员的安全。理解接地电阻(ground resistance)对于确保电气安装的安全性和有效性至关重要。在实际应用中,接地电阻(ground resistance)因多种原因而重要。首先,它有助于防止电击。当电气系统出现故障,例如短路时,多余的电流需要有一条通往大地的路径,以避免危险的情况。如果接地电阻(ground resistance)过高,电流可能无法有效地流入大地,这可能导致设备和表面上出现危险的电压。因此,保持低接地电阻(ground resistance)对保护人身和财产至关重要。此外,接地电阻(ground resistance)在雷电保护系统的运行中也起着重要作用。当雷电击中建筑物时,能量需要安全地散发到大地。低接地电阻(ground resistance)确保雷电电流有效地引导离开结构,从而最小化火灾或损坏的风险。工程师必须计算和设计接地系统,以实现最佳的接地电阻(ground resistance),以确保在这种情况下的安全。另一个需要考虑的方面是土壤条件对接地电阻(ground resistance)的影响。土壤的类型、湿度和温度都可以影响接地电气系统时遇到的阻力。例如,沙质或干燥的土壤通常比潮湿的粘土土壤具有更高的接地电阻(ground resistance)。这种变化意味着工程师必须进行特定现场测试,以确定接地电阻(ground resistance),并相应设计合适的接地系统。此外,定期维护和测试接地电阻(ground resistance)是确保持续安全和功能的必要措施。随着时间的推移,环境的变化,例如附近的建筑或自然侵蚀,可能会改变接地系统的有效性。因此,定期检查可以帮助识别任何接地电阻(ground resistance)的增加,从而及时采取干预措施以维持安全标准。总之,理解接地电阻(ground resistance)对于任何参与电气工作的人来说都是基本的。这不仅仅是一个技术规范;它是影响电气系统安全性和可靠性的关键因素。通过全面研究和管理接地电阻(ground resistance),我们可以保护生命和财产免受与电力相关的危险。随着技术的发展和电气系统的复杂性增加,掌握这一概念的重要性只会继续增长。