polyphase alternator

简明释义

多相交流发电机

英英释义

例句

1.The design of a polyphase alternator 多相发电机 allows for smoother operation and less vibration.

多相发电机的设计使得运行更加平稳，振动更少。

2.In modern power plants, a polyphase alternator 多相发电机 is essential for producing three-phase current.

在现代发电厂中，多相发电机是产生三相电流的关键。

3.A polyphase alternator 多相发电机 can minimize power losses during transmission over long distances.

多相发电机可以在长距离传输过程中最小化电力损失。

4.The engineer explained how the polyphase alternator 多相发电机 works in generating electricity efficiently.

工程师解释了<顺序>多相发电机如何高效地发电。

5.The maintenance team performed routine checks on the polyphase alternator 多相发电机 to ensure its optimal performance.

维护团队对<顺序>多相发电机进行了例行检查，以确保其最佳性能。

作文

In the realm of electrical engineering, the term polyphase alternator refers to a type of generator that produces alternating current (AC) electricity in multiple phases. This technology is crucial for modern power systems, as it enhances the efficiency and stability of electrical power generation and distribution. A polyphase alternator typically consists of multiple coils or windings arranged in such a way that they generate voltage waveforms that are out of phase with each other. The most common configuration is the three-phase system, which is widely used in industrial applications and large-scale power generation.The principle behind the polyphase alternator is based on electromagnetic induction. When a conductor moves through a magnetic field, an electric current is induced in the conductor. In a polyphase alternator, the rotor, which is the rotating part of the machine, spins within the stator, which contains the stationary coils. As the rotor turns, it creates a rotating magnetic field that induces a current in the stator windings. The result is a series of alternating currents that are phased apart, allowing for a more consistent and reliable power output.One of the primary advantages of using a polyphase alternator is its ability to deliver power more efficiently than single-phase systems. In a single-phase system, the power delivery fluctuates, leading to inefficiencies and potential power loss. However, in a three-phase system, the power delivery is smoother and more stable, which is particularly beneficial for large motors and industrial equipment that require a constant power supply.Moreover, a polyphase alternator can also reduce the size and weight of electrical equipment. Since three-phase systems can transmit more power over the same conductor size compared to single-phase systems, this allows for smaller transformers and less material usage in wiring. This not only saves costs but also minimizes the environmental impact associated with the production and installation of electrical infrastructure.Another significant aspect of polyphase alternators is their role in renewable energy systems. As the world shifts towards more sustainable energy sources, the need for efficient power generation becomes even more critical. Wind turbines and hydroelectric plants often utilize polyphase alternators to convert mechanical energy into electrical energy effectively. This integration of advanced technology ensures that renewable energy can be harnessed and distributed reliably to meet growing energy demands.In conclusion, the polyphase alternator is a fundamental component of modern electrical systems, providing numerous benefits over traditional single-phase generators. Its ability to produce stable and efficient power makes it an ideal choice for a wide range of applications, from industrial machinery to renewable energy sources. Understanding the workings and advantages of polyphase alternators is essential for anyone involved in electrical engineering or energy management, as it forms the backbone of contemporary power generation and distribution systems.

在电气工程领域，术语多相交流发电机指的是一种以多相产生交流电（AC）的发电机。这项技术对现代电力系统至关重要，因为它提高了电力生成和分配的效率和稳定性。多相交流发电机通常由多个线圈或绕组组成，以特定的方式排列，使其能够生成互相错位的电压波形。最常见的配置是三相系统，这在工业应用和大规模发电中广泛使用。多相交流发电机的原理基于电磁感应。当导体在磁场中移动时，会在导体中感应出电流。在多相交流发电机中，转子是机器的旋转部分，它在包含静止线圈的定子内旋转。当转子转动时，它会产生一个旋转的磁场，从而在定子绕组中感应出电流。结果是产生一系列相位不同的交流电，使得电力输出更加一致和可靠。使用多相交流发电机的主要优点之一是其比单相系统更高效地输送电力。在单相系统中，电力传输会波动，导致效率低下和潜在的电力损失。然而，在三相系统中，电力传输更加平稳和稳定，这对于需要恒定电源的大型电动机和工业设备尤其有利。此外，多相交流发电机还可以减少电气设备的体积和重量。由于三相系统可以在相同导体尺寸上传输更多电力，因此这允许变压器更小，布线材料使用更少。这不仅节省了成本，还最小化了与电气基础设施生产和安装相关的环境影响。多相交流发电机的另一个重要方面是它们在可再生能源系统中的作用。随着世界向更可持续的能源来源转变，对高效电力生成的需求变得更加关键。风力涡轮机和水电站通常利用多相交流发电机有效地将机械能转换为电能。这种先进技术的集成确保了可再生能源能够可靠地被收集和分配，以满足日益增长的能源需求。总之，多相交流发电机是现代电力系统的基本组成部分，相较于传统的单相发电机提供了众多好处。其产生稳定高效电力的能力使其成为从工业机械到可再生能源源广泛应用的理想选择。理解多相交流发电机的工作原理和优势对于任何参与电气工程或能源管理的人来说都是至关重要的，因为它构成了当代电力生成和分配系统的基础。