three-phase system

简明释义

三相制

英英释义

例句

1.Installing a three-phase system can significantly reduce energy costs in industrial applications.

在工业应用中安装三相系统可以显著降低能源成本。

2.Many commercial buildings rely on a three-phase system to support their HVAC systems.

许多商业建筑依赖三相系统来支持其暖通空调系统。

3.The factory uses a three-phase system for its heavy machinery to ensure efficient power distribution.

工厂使用三相系统为其重型机械提供高效的电力分配。

4.A three-phase system is more efficient than a single-phase system for large electrical loads.

对于大型电负载，三相系统比单相系统更高效。

5.Electricians recommend using a three-phase system for motors that require high starting torque.

电工建议对需要高启动扭矩的电动机使用三相系统。

作文

In the realm of electrical engineering, the concept of a three-phase system is fundamental for understanding how power is generated, transmitted, and utilized. A three-phase system refers to a method of alternating current (AC) electricity generation, transmission, and distribution that uses three separate conductors carrying current in a staggered manner. This system is widely used in industrial applications due to its efficiency and ability to deliver consistent power. One of the main advantages of a three-phase system is its ability to provide a more constant and reliable power supply compared to single-phase systems. In a single-phase system, power delivery can fluctuate, causing potential disruptions in machinery operation. However, with a three-phase system, the power supply remains steady as the phases work together to balance the load. This characteristic makes it particularly suitable for heavy machinery and equipment that require a stable power source. Additionally, a three-phase system allows for a more efficient use of electrical resources. The power delivered in a three-phase system is approximately 1.5 times greater than that of a single-phase system for the same amount of current. This means that smaller conductors can be used to transmit the same amount of power, reducing material costs and installation complexity. Moreover, the reduced losses in transmission lines lead to improved overall efficiency in power distribution networks.The configuration of a three-phase system is also noteworthy. It consists of three alternating currents, each phase offset by 120 degrees. This phase difference ensures that at any given moment, one of the phases is always at its peak voltage, which helps maintain a continuous flow of power. The arrangement can be configured in either a star (Y) or delta (Δ) formation, each having its own advantages depending on the application. The star configuration is often used for low-voltage distribution, while the delta configuration is typically employed in high-power applications.Furthermore, the implementation of a three-phase system is crucial in renewable energy sources such as wind and solar power. These systems often utilize three-phase systems to effectively manage the variability of energy production and ensure that the generated power can be efficiently integrated into the grid. As the world moves towards more sustainable energy solutions, the importance of three-phase systems in facilitating this transition cannot be overstated.In conclusion, the three-phase system plays a vital role in modern electrical engineering and power distribution. Its ability to provide a stable, efficient, and reliable power supply makes it an essential component in various applications, from industrial machinery to renewable energy systems. Understanding the intricacies of a three-phase system is crucial for engineers and technicians working in the field, as it enables them to design and implement systems that meet the demands of contemporary society. As technology continues to evolve, the significance of three-phase systems will likely grow, paving the way for advancements in power generation and distribution technologies.

在电气工程领域，三相系统的概念对于理解电力的生成、传输和利用至关重要。三相系统指的是一种交替电流（AC）电力生成、传输和分配的方法，它使用三个独立的导体以错开的方式传递电流。由于其效率高和能够提供稳定的电力，这种系统在工业应用中被广泛使用。三相系统的主要优势之一是它能够提供比单相系统更恒定和可靠的电源。 在单相系统中，电力传递可能会波动，从而导致机械操作中的潜在中断。然而，在三相系统中，由于各个相位共同工作以平衡负载，电源保持稳定。这一特性使其特别适合需要稳定电源的重型机械和设备。此外，三相系统还允许更有效地利用电力资源。在三相系统中，传递的功率大约是单相系统的1.5倍，这意味着可以使用更小的导体来传输相同量的电力，从而降低材料成本和安装复杂性。此外，传输线中的损耗减少，导致电力分配网络的整体效率提高。三相系统的配置也值得注意。它由三种交替电流组成，每个相位相差120度。这种相位差确保在任何给定时刻，某一相位始终处于峰值电压，有助于保持电力的连续流动。根据应用的不同，可以将其配置为星形（Y）或三角形（Δ）形式，每种形式都有其自身的优势。星形配置通常用于低压分配，而三角形配置通常用于高功率应用。此外，三相系统的实施对于风能和太阳能等可再生能源源至关重要。这些系统通常利用三相系统来有效管理能源生产的变化性，并确保所产生的电力能够有效地集成到电网中。随着世界向更可持续的能源解决方案迈进，三相系统在促进这一转型中的重要性不容小觑。总之，三相系统在现代电气工程和电力分配中发挥着至关重要的作用。它提供稳定、高效和可靠的电源，使其成为从工业机械到可再生能源系统等各种应用的重要组成部分。理解三相系统的复杂性对于在该领域工作的工程师和技术人员至关重要，因为这使他们能够设计和实施满足当代社会需求的系统。随着技术的不断发展，三相系统的重要性可能会增加，为电力生成和分配技术的进步铺平道路。