three-phase three-wire system

简明释义

三相三线制

英英释义

例句

1.Many commercial buildings are wired with a three-phase three-wire system 三相三线制 to support high-power equipment.

许多商业建筑都采用 三相三线制 三相三线制 来支持高功率设备。

2.The electrical engineer explained how a three-phase three-wire system 三相三线制 can reduce energy losses in transmission lines.

电气工程师解释了如何通过 三相三线制 三相三线制 减少输电线路中的能量损失。

3.A properly designed three-phase three-wire system 三相三线制 can improve the overall efficiency of electrical systems.

一个合理设计的 三相三线制 三相三线制 可以提高电力系统的整体效率。

4.Using a three-phase three-wire system 三相三线制 allows for a more balanced load distribution across the phases.

使用 三相三线制 三相三线制 可以在各相之间实现更平衡的负载分配。

5.In industrial settings, a three-phase three-wire system 三相三线制 is commonly used to power large machinery efficiently.

在工业环境中，三相三线制 三相三线制 通常用于高效供电大型机械。

作文

The world of electrical engineering is filled with complex systems that power our daily lives. One such system is the three-phase three-wire system, which is widely used in industrial and commercial applications. This system offers several advantages over single-phase systems, making it a preferred choice for many applications. In this essay, we will explore what a three-phase three-wire system is, how it works, and its benefits.A three-phase three-wire system consists of three conductors carrying alternating current (AC) that are out of phase with each other by 120 degrees. This means that at any given time, one of the phases is at its peak voltage, while the other two are at different points in their cycles. This arrangement allows for a more efficient transfer of electricity, as the power delivered is more constant compared to single-phase systems.One of the primary advantages of a three-phase three-wire system is its ability to deliver more power using less conductor material. In a single-phase system, the current must travel through a single conductor, which can lead to higher losses due to resistance. However, in a three-phase three-wire system, the load is distributed across three conductors, reducing the amount of current in each wire. This not only minimizes losses but also allows for smaller, lighter wires to be used, which can lower installation costs.Moreover, a three-phase three-wire system provides a more stable and reliable power supply. Because the power delivery is continuous, the system can handle larger loads without significant fluctuations in voltage. This stability is crucial in industrial settings where machinery requires consistent power to operate efficiently. Additionally, the balanced nature of the system helps prevent overheating and prolongs the lifespan of electrical equipment.Another important aspect of the three-phase three-wire system is its versatility. It can easily accommodate both single-phase and three-phase loads, making it suitable for a wide range of applications. For instance, residential homes often use single-phase power for lighting and small appliances, while larger commercial buildings and factories may rely on three-phase power for heavy machinery and HVAC systems. The ability to integrate both types of loads into the same system simplifies the design and reduces the need for multiple power sources.In conclusion, the three-phase three-wire system is an essential component of modern electrical systems. Its efficiency, reliability, and versatility make it a popular choice for various applications, from industrial plants to commercial buildings. Understanding how this system works and its benefits can help engineers and technicians design better electrical systems that meet the demands of today's technology-driven world. As we continue to innovate and develop new technologies, the importance of efficient power distribution systems like the three-phase three-wire system will only grow, paving the way for a more sustainable and electrified future.

电气工程的世界充满了复杂的系统，这些系统为我们的日常生活提供动力。其中一个系统是三相三线制，它广泛应用于工业和商业领域。与单相系统相比，该系统具有多个优点，使其成为许多应用的首选。在这篇文章中，我们将探讨什么是三相三线制，它是如何工作的，以及它的好处。三相三线制由三根导体组成，这些导体携带的交流电（AC）彼此相位差120度。这意味着在任何给定时刻，其中一个相位处于峰值电压，而另外两个相位则处于其周期的不同点。这种排列允许更高效地传输电力，因为所提供的功率比单相系统更为稳定。三相三线制的主要优点之一是它能够以更少的导体材料传递更多的电力。在单相系统中，电流必须通过单根导体，这可能导致由于电阻造成的损耗较高。然而，在三相三线制中，负载分布在三根导体上，从而减少了每根线中的电流。这不仅最小化了损耗，还允许使用更小、更轻的导线，从而降低安装成本。此外，三相三线制提供了更稳定可靠的电源供应。由于电力传输是持续的，因此该系统可以在不显著波动电压的情况下处理更大的负载。这种稳定性在工业环境中至关重要，因为机械设备需要持续的电力才能有效运行。此外，系统的平衡特性有助于防止过热，延长电气设备的使用寿命。三相三线制的另一个重要方面是其多功能性。它可以轻松容纳单相和三相负载，使其适用于各种应用。例如，住宅通常使用单相电力供电照明和小型电器，而较大的商业建筑和工厂可能依赖三相电力供电重型机械和暖通空调系统。将这两种负载集成到同一系统中的能力简化了设计，并减少了对多个电源的需求。总之，三相三线制是现代电气系统的重要组成部分。其效率、可靠性和多功能性使其成为各种应用的热门选择，从工业工厂到商业建筑。理解该系统的工作原理及其优点，可以帮助工程师和技术人员设计出更好的电气系统，以满足当今技术驱动世界的需求。随着我们不断创新和开发新技术，像三相三线制这样的高效电力分配系统的重要性只会增加，为更加可持续和电气化的未来铺平道路。