line-to-line voltage

简明释义

线间电压

英英释义

例句

1.The line-to-line voltage in a three-phase system is typically higher than the phase voltage.

三相系统中的线间电压通常高于相电压。

2.The electrician measured the line-to-line voltage to ensure the system was operating within safe limits.

电工测量了线间电压以确保系统在安全范围内运行。

3.The specifications require a minimum line-to-line voltage of 400V for optimal performance.

规格要求最低线间电压为400V以获得最佳性能。

4.To calculate the power in a three-phase motor, you need to know the line-to-line voltage.

要计算三相电动机的功率，您需要知道线间电压。

5.In this circuit, the line-to-line voltage is essential for determining the load capacity.

在这个电路中，线间电压对于确定负载能力至关重要。

作文

Understanding electrical systems is crucial for anyone involved in engineering or technology. One essential concept within this field is the idea of line-to-line voltage, which plays a significant role in three-phase power systems. In simple terms, line-to-line voltage refers to the voltage measured between any two of the three conductors in a three-phase system. This measurement is vital because it helps engineers and technicians determine the power capacity and efficiency of electrical equipment. To better grasp the importance of line-to-line voltage, we must first understand the basics of three-phase systems. A three-phase system consists of three alternating currents (AC) that are offset in time by one-third of a cycle. This configuration allows for a more constant and reliable power supply compared to single-phase systems. In such systems, each phase carries an equal amount of current, but the voltages can be different when measured individually. However, when we measure the voltage between two phases, we obtain the line-to-line voltage. In practical applications, the line-to-line voltage is typically higher than the voltage measured from a single phase to the neutral point. For instance, in a standard three-phase system operating at 400 volts, the line-to-line voltage would be approximately 400 volts, while the voltage from each line to neutral would be about 230 volts. This relationship is critical for designing electrical systems and selecting appropriate equipment. Moreover, understanding line-to-line voltage is essential for ensuring safety and efficiency in electrical installations. Incorrectly connecting equipment based on the misunderstanding of these voltage levels can lead to equipment failure or even hazardous situations. For example, if a motor rated for a specific line-to-line voltage is connected to a different voltage level, it may operate inefficiently or suffer damage due to overheating or electrical stress. In addition to its significance in safety and efficiency, the line-to-line voltage also impacts the overall performance of electrical systems. Engineers need to consider this voltage when designing transformers, circuit breakers, and other components. The ability to accurately calculate and manage line-to-line voltage ensures that systems operate within their intended parameters, maximizing performance and minimizing energy losses. One common application where line-to-line voltage is crucial is in industrial settings. Many factories and manufacturing plants utilize three-phase power for heavy machinery and equipment. Understanding the line-to-line voltage allows facility managers to ensure that all machines are compatible with the power supply, thus preventing downtime and costly repairs. Furthermore, monitoring line-to-line voltage can help identify potential issues before they escalate, enabling proactive maintenance strategies. In conclusion, the concept of line-to-line voltage is fundamental to the understanding of three-phase electrical systems. It is essential for ensuring the safe and efficient operation of electrical equipment, particularly in industrial applications. By grasping the significance of line-to-line voltage, engineers and technicians can improve system designs, enhance performance, and mitigate risks associated with electrical installations. As technology continues to evolve, a solid understanding of electrical principles, including line-to-line voltage, will remain a critical skill for professionals in the field.

理解电气系统对于任何参与工程或技术的人来说都是至关重要的。在这个领域中，一个基本概念是线间电压，它在三相电力系统中发挥着重要作用。简单来说，线间电压是指在三相系统中测量任意两个导体之间的电压。这一测量至关重要，因为它帮助工程师和技术人员确定电气设备的功率容量和效率。为了更好地理解线间电压的重要性，我们必须首先了解三相系统的基础知识。三相系统由三种交变电流（AC）组成，这些电流的时间相位相差三分之一周期。这种配置允许提供比单相系统更稳定和可靠的电力供应。在这样的系统中，每个相位承载相等的电流，但单独测量时电压可能会有所不同。然而，当我们测量两个相位之间的电压时，就得到了线间电压。在实际应用中，线间电压通常高于从单个相位到中性点的电压。例如，在一个标准的三相系统中，工作电压为400伏时，线间电压大约为400伏，而从每条线路到中性的电压约为230伏。这种关系对于设计电气系统和选择适当的设备至关重要。此外，理解线间电压对于确保电气安装的安全性和效率也很重要。基于对这些电压水平的误解而错误连接设备可能导致设备故障甚至危险情况。例如，如果一台额定特定线间电压的电动机连接到不同的电压水平，可能会导致其运行效率低下，或因过热或电气压力而受损。除了在安全和效率方面的重要性外，线间电压还影响电气系统的整体性能。工程师需要在设计变压器、断路器和其他组件时考虑这一电压。准确计算和管理线间电压的能力确保系统在其预期参数内运行，从而最大化性能并最小化能量损失。线间电压至关重要的一个常见应用是在工业环境中。许多工厂和制造厂利用三相电源为重型机械和设备供电。理解线间电压使设施经理能够确保所有机器与电源兼容，从而防止停机和昂贵的维修。此外，监测线间电压可以帮助在问题升级之前识别潜在问题，从而实现主动维护策略。总之，线间电压的概念是理解三相电气系统的基础。它对于确保电气设备的安全和高效操作至关重要，特别是在工业应用中。通过掌握线间电压的重要性，工程师和技术人员可以改善系统设计、增强性能，并降低与电气安装相关的风险。随着技术的不断发展，对电气原理的扎实理解，包括线间电压，将继续成为该领域专业人士的一项关键技能。