three phase three-wire system

简明释义

三相三线制

英英释义

例句

1.A three phase three-wire system is often used in commercial buildings for lighting and HVAC systems.

三相三线制系统常用于商业建筑的照明和暖通空调系统。

2.The three phase three-wire system minimizes voltage drop over long distances.

三相三线制系统可以减少长距离传输中的电压损失。

3.Using a three phase three-wire system can lead to more balanced loads on the electrical network.

使用三相三线制系统可以使电网上的负载更加平衡。

4.In industrial applications, a three phase three-wire system is commonly used to power large motors efficiently.

在工业应用中，三相三线制系统通常用于高效供电给大型电动机。

5.Electricians prefer a three phase three-wire system for its ability to handle higher loads.

电工更喜欢使用三相三线制系统，因为它能够处理更高的负荷。

作文

The modern world is powered by electricity, which is essential for our daily lives and the functioning of various industries. One of the most efficient ways to distribute electrical power is through a system known as a three phase three-wire system. This system is widely used in electrical engineering and power distribution because it offers several advantages over single-phase systems. Understanding how this system works can provide insights into its importance in today's energy landscape.A three phase three-wire system consists of three alternating currents that are offset in time by one-third of a cycle. This means that while one phase is at its peak voltage, the other two phases are at different points in their cycles. The result is a more consistent and reliable power supply. In contrast to single-phase systems, which can experience fluctuations and interruptions, the three phase three-wire system maintains a steady flow of electricity. This stability is crucial for industrial applications where machinery requires a constant power supply to operate efficiently.One of the primary advantages of a three phase three-wire system is its ability to transmit more power using less conductor material. Since the three phases share a common neutral wire, the overall amount of copper or aluminum needed for wiring is reduced. This not only lowers the cost of materials but also minimizes the weight of the cables, making installation easier and more economical. Furthermore, the efficiency of power transmission is significantly improved, leading to reduced energy losses during distribution.In addition to its efficiency, the three phase three-wire system is also capable of powering large motors and heavy machinery. Many industrial facilities rely on this system to run equipment such as pumps, compressors, and conveyor belts. The balanced load provided by the three phases allows for smoother operation and less wear and tear on the machinery. This reliability translates into lower maintenance costs and increased productivity for businesses.Another important aspect of the three phase three-wire system is its flexibility in connecting different types of loads. In a typical setup, three-phase motors can be connected directly to the system, while single-phase loads can still be accommodated. This versatility makes it an ideal choice for mixed-use environments, where both industrial and residential applications exist. As cities continue to grow and develop, the demand for efficient power distribution systems will only increase, highlighting the relevance of the three phase three-wire system in future urban planning and infrastructure development.Despite its many benefits, the three phase three-wire system does require careful planning and design to ensure safety and reliability. Proper grounding and circuit protection are essential to prevent electrical hazards. Additionally, technicians and engineers must be well-trained in working with three-phase systems to avoid potential issues during installation and maintenance.In conclusion, the three phase three-wire system plays a vital role in the distribution of electrical power in modern society. Its efficiency, reliability, and versatility make it the preferred choice for powering industrial machinery and residential areas alike. As technology continues to advance and the demand for electricity grows, understanding and implementing this system will be crucial for meeting the energy needs of the future.

现代世界由电力驱动，电力是我们日常生活和各种工业运作的必需品。分配电力的最有效方式之一就是通过一个被称为三相三线制系统的系统。这个系统在电气工程和电力分配中被广泛使用，因为它相对于单相系统提供了几个优点。理解这个系统的工作原理可以让人们深入了解其在当今能源格局中的重要性。三相三线制系统由三种交变电流组成，它们在时间上相差三分之一周期。这意味着当一个相处于峰值电压时，其他两个相位处于其周期的不同点。结果是更稳定和可靠的电力供应。与可能经历波动和中断的单相系统相比，三相三线制系统保持电力的稳定流动。这种稳定性对工业应用至关重要，因为机器需要恒定的电源才能高效运行。三相三线制系统的主要优点之一是它能够使用更少的导体材料传输更多的电力。由于三个相共享一个公共中性线，因此所需的整体铜或铝材料减少了。这不仅降低了材料成本，还最小化了电缆的重量，使安装更容易、更经济。此外，电力传输的效率显著提高，从而减少了分配过程中的能量损失。除了高效性外，三相三线制系统还能够为大型电动机和重型机械供电。许多工业设施依赖这个系统来驱动设备，如泵、压缩机和输送带。三个相提供的平衡负载使操作更加平稳，减少了机械磨损。这种可靠性转化为较低的维护成本和企业的生产力提高。三相三线制系统的另一个重要方面是它在连接不同类型负载方面的灵活性。在典型设置中，三相电动机可以直接连接到系统，而单相负载仍然可以得到满足。这种多功能性使其成为混合使用环境的理想选择，在这些环境中，工业和住宅应用共存。随着城市的不断发展和扩张，对高效电力分配系统的需求只会增加，这突显了三相三线制系统在未来城市规划和基础设施发展中的相关性。尽管有许多好处，三相三线制系统确实需要仔细规划和设计以确保安全和可靠性。适当的接地和电路保护对于防止电气危害至关重要。此外，技术人员和工程师必须接受良好的培训，以避免在安装和维护过程中出现潜在问题。总之，三相三线制系统在现代社会的电力分配中发挥着至关重要的作用。其高效性、可靠性和多功能性使其成为为工业机械和住宅区供电的首选。随着技术的不断进步和电力需求的增长，理解和实施这一系统对于满足未来的能源需求至关重要。