polyphase system

简明释义

多相制

英英释义

例句

1.The efficiency of the polyphase system 多相系统 in power transmission is significantly higher than that of single-phase systems.

在电力传输中，多相系统的效率显著高于单相系统。

2.In industrial applications, a polyphase system 多相系统 can provide better load balancing.

在工业应用中，多相系统可以提供更好的负载平衡。

3.Many electric motors operate on a polyphase system 多相系统 to improve torque and efficiency.

许多电动机在多相系统上运行，以提高扭矩和效率。

4.The analysis of a polyphase system 多相系统 can be complex, requiring advanced mathematical techniques.

对多相系统的分析可能很复杂，需要先进的数学技术。

5.The design of a polyphase system 多相系统 requires careful consideration of phase angles.

设计一个多相系统需要仔细考虑相位角。

作文

In the realm of electrical engineering, the term polyphase system refers to a type of power system that uses multiple alternating currents (AC) to transmit and distribute electricity. This system is primarily composed of three or more phases, which are offset in time by equal intervals. The most common application of a polyphase system is the three-phase system, which is widely used for industrial and commercial power distribution due to its efficiency and reliability.The fundamental advantage of a polyphase system lies in its ability to deliver more power than single-phase systems while maintaining a more consistent power supply. In a single-phase system, the power delivery fluctuates as the sinusoidal wave oscillates, leading to potential inefficiencies and imbalances in power usage. However, in a three-phase system, the power supply remains steady, as the phases work together to provide a continuous flow of energy. This characteristic makes polyphase systems particularly suitable for large motors and heavy machinery, which require a stable and robust power source to operate effectively.Another significant benefit of utilizing a polyphase system is the reduction of conductor material needed for transmission. In a three-phase system, only three conductors are required to transmit the same amount of power that would necessitate four or more conductors in a single-phase system. This not only lowers material costs but also simplifies the infrastructure needed for power distribution.Moreover, the design of a polyphase system allows for a more balanced load across the phases, which can lead to improved efficiency and reduced losses in the power system. When loads are evenly distributed among the phases, the overall performance of the electrical system is enhanced, minimizing the risk of overheating and equipment failure.The implementation of polyphase systems is not limited to just power generation and distribution; they are also integral in various applications such as electric motors, transformers, and other electrical devices. For instance, a three-phase induction motor operates on the principle of a polyphase system, allowing for smoother operation and greater torque compared to single-phase motors.In conclusion, the polyphase system is a crucial concept in modern electrical engineering, providing numerous advantages over traditional single-phase systems. Its ability to deliver efficient, reliable, and balanced power makes it an indispensable component in various industrial and commercial applications. As technology continues to advance, the importance of polyphase systems will undoubtedly grow, paving the way for innovative solutions in power generation and distribution.

在电气工程领域，术语多相系统指的是一种使用多个交流电（AC）来传输和分配电力的电力系统。该系统主要由三个或更多个相位组成，这些相位在时间上以相等的间隔偏移。多相系统最常见的应用是三相系统，因其效率和可靠性而广泛用于工业和商业电力分配。多相系统的根本优势在于它能够比单相系统提供更多的功率，同时保持更稳定的电源供应。在单相系统中，随着正弦波的振荡，功率传递会波动，从而导致潜在的低效和电力使用不平衡。然而，在三相系统中，电源保持稳定，因为各相共同作用，提供持续的能量流。这一特性使得多相系统特别适合大型电动机和重型机械，这些设备需要稳定且强大的电源才能有效运行。利用多相系统的另一个显著好处是减少了传输所需的导体材料。在三相系统中，仅需三个导体即可传输与单相系统中需要四个或更多导体相同数量的功率。这不仅降低了材料成本，还简化了电力分配所需的基础设施。此外，多相系统的设计使得各相之间的负载更加平衡，这可以提高效率并减少电力系统中的损耗。当负载均匀分布在各相之间时，电气系统的整体性能得到提升，最小化过热和设备故障的风险。多相系统的实施不仅限于电力生成和分配；它们在电动机、变压器和其他电气设备等各种应用中也是不可或缺的。例如，三相感应电动机就是基于多相系统的原理运行的，与单相电动机相比，它允许更平稳的操作和更大的扭矩。总之，多相系统是现代电气工程中的一个关键概念，提供了许多相对于传统单相系统的优势。其高效、可靠和平衡的电力传递能力使其成为各种工业和商业应用中不可或缺的组成部分。随着技术的不断进步，多相系统的重要性无疑将会增加，为电力生成和分配领域的创新解决方案铺平道路。