line resistance

简明释义

线路电阻

英英释义

例句

1.Reducing line resistance 线路电阻 is crucial for improving the efficiency of the electrical system.

降低线路电阻 line resistance对提高电气系统的效率至关重要。

2.The technician found that the line resistance 线路电阻 was higher than expected, indicating a potential fault.

技术员发现线路电阻 line resistance比预期的高，这表明可能存在故障。

3.To troubleshoot the issue, we need to check the line resistance 线路电阻 of the wire.

为了排除故障，我们需要检查电线的线路电阻 line resistance。

4.The electrical engineer measured the line resistance 线路电阻 to ensure the circuit was functioning properly.

电气工程师测量了线路电阻 line resistance以确保电路正常工作。

5.High line resistance 线路电阻 can lead to significant power loss in transmission lines.

高线路电阻 line resistance可能导致输电线路中显著的功率损失。

作文

In the field of electrical engineering, the concept of line resistance plays a crucial role in determining the efficiency and performance of electrical systems. Line resistance refers to the opposition that a conductor offers to the flow of electric current. It is an important parameter that affects how much energy is lost as heat when electricity travels through wires or cables. Understanding line resistance is vital for engineers who design electrical circuits and systems, as it directly impacts the overall effectiveness of power transmission.When electricity flows through a conductor, such as a copper wire, it encounters some resistance due to the material properties and physical dimensions of the conductor. This resistance can cause a voltage drop along the length of the wire, which means that not all the voltage provided by the source reaches the load. The higher the line resistance, the more significant the voltage drop, leading to reduced efficiency in the system.One of the primary factors that influence line resistance is the material used for the conductor. For instance, copper has a lower resistance compared to aluminum, making it a preferred choice for many electrical applications. Additionally, the length and cross-sectional area of the conductor also play a significant role. Longer wires have higher line resistance, while thicker wires have lower resistance, allowing for better current flow.To illustrate the importance of managing line resistance, consider a simple circuit with a power source and a load. If the line resistance is too high due to the use of thin, long wires, the load may not receive enough voltage to operate efficiently. This can result in poor performance, overheating, or even damage to the components involved. Therefore, engineers must carefully calculate the line resistance during the design phase to ensure that the system operates within its intended parameters.Another aspect to consider is the impact of temperature on line resistance. As the temperature of a conductor increases, its resistance typically increases as well. This phenomenon is known as the temperature coefficient of resistance. Consequently, during high load conditions or in environments with elevated temperatures, the line resistance can rise, leading to further voltage drops and inefficiencies. Engineers must account for these variations when designing systems to ensure reliability and performance under different operating conditions.In conclusion, understanding and managing line resistance is essential for the effective design and operation of electrical systems. By selecting appropriate materials, optimizing conductor dimensions, and considering environmental factors, engineers can minimize line resistance and enhance the efficiency of power transmission. This knowledge not only contributes to the performance of individual circuits but also plays a significant role in the broader context of energy management and sustainability in electrical engineering. As technology continues to advance, the importance of minimizing line resistance will only grow, leading to more efficient and reliable electrical systems in the future.

在线工程领域，‘line resistance’的概念在确定电气系统的效率和性能方面发挥着至关重要的作用。‘line resistance’指的是导体对电流流动所提供的阻力。这是一个重要的参数，影响电流通过电线或电缆时损失多少能量作为热量。理解‘line resistance’对于设计电路和系统的工程师至关重要，因为它直接影响电力传输的整体效果。当电流通过导体（例如铜线）时，由于导体的材料特性和物理尺寸，它会遇到一定的阻力。这种阻力可能导致沿电线长度的电压下降，这意味着并非所有由源头提供的电压都能到达负载。‘line resistance’越高，电压下降越显著，从而导致系统效率降低。影响‘line resistance’的主要因素之一是导体所用的材料。例如，铜的阻力低于铝，因此在许多电气应用中更受青睐。此外，导体的长度和横截面积也起着重要作用。较长的电线具有更高的‘line resistance’，而较粗的电线则具有较低的阻力，从而允许更好的电流流动。为了说明管理‘line resistance’的重要性，考虑一个简单的电路，其中包含电源和负载。如果由于使用了细长的电线而导致‘line resistance’过高，负载可能无法获得足够的电压以高效运行。这可能导致性能不佳、过热甚至损坏相关组件。因此，工程师必须在设计阶段仔细计算‘line resistance’，以确保系统在其预期参数内运行。另一个需要考虑的方面是温度对‘line resistance’的影响。当导体的温度升高时，其阻力通常也会增加。这种现象被称为阻力的温度系数。因此，在高负载条件下或在高温环境中，‘line resistance’可能会上升，导致进一步的电压下降和低效率。工程师必须在设计系统时考虑这些变化，以确保在不同工作条件下的可靠性和性能。总之，理解和管理‘line resistance’对于电气系统的有效设计和操作至关重要。通过选择适当的材料、优化导体尺寸以及考虑环境因素，工程师可以最小化‘line resistance’并增强电力传输的效率。这一知识不仅有助于单个电路的性能，而且在电气工程的能源管理和可持续发展更广泛的背景中也发挥着重要作用。随着技术的不断进步，最小化‘line resistance’的重要性只会增加，从而在未来实现更高效、更可靠的电气系统。