ac generator

简明释义

交立电机

英英释义

例句

1.The construction site uses an ac generator to provide power for tools and equipment.

施工现场使用一个交流发电机为工具和设备提供电力。

2.An ac generator is essential for camping trips where electricity is not available.

在没有电源的露营旅行中，交流发电机是必不可少的。

3.During the power outage, we relied on our ac generator to keep the refrigerator running.

在停电期间，我们依靠我们的交流发电机保持冰箱运转。

4.Many homes use an ac generator as a backup power source during emergencies.

许多家庭在紧急情况下使用交流发电机作为备用电源。

5.The ac generator converts mechanical energy into electrical energy efficiently.

该交流发电机有效地将机械能转换为电能。

作文

An ac generator is a device that converts mechanical energy into electrical energy through the process of electromagnetic induction. It plays a crucial role in our daily lives, providing us with the electricity needed to power our homes, industries, and various devices. Understanding how an ac generator works can give us insight into the fundamental principles of electricity and magnetism that govern much of our modern technology.The basic principle behind an ac generator is Faraday's law of electromagnetic induction, which states that a changing magnetic field within a closed loop induces an electromotive force (emf) in the wire. In simpler terms, when a conductor, such as copper wire, moves through a magnetic field, it generates an electric current. This is the core mechanism that allows an ac generator to produce alternating current (AC).An ac generator typically consists of two main components: the rotor and the stator. The rotor is the rotating part of the generator, which is connected to a prime mover, such as a turbine or an engine. As the rotor spins, it creates a rotating magnetic field. The stator, on the other hand, is the stationary part that contains coils of wire. When the magnetic field from the rotor passes through the coils of the stator, it induces an alternating current in the wires.One of the significant advantages of an ac generator is its ability to produce electricity at high voltages, which is essential for efficient transmission over long distances. AC can be easily transformed to higher voltages using transformers, allowing it to travel through power lines with minimal energy loss. This makes ac generators particularly suitable for power plants that supply electricity to cities and towns.Moreover, ac generators are versatile and can be used in various applications, from small portable generators for camping trips to large industrial generators that power factories. They are also commonly found in renewable energy systems, such as wind turbines and hydroelectric plants. In these systems, the kinetic energy from wind or flowing water is converted into mechanical energy, which then drives the ac generator to produce electricity.In conclusion, an ac generator is an essential component of modern electrical systems. Its ability to convert mechanical energy into electrical energy through electromagnetic induction has made it a cornerstone of electricity generation. By understanding the workings of an ac generator, we can appreciate the technology that powers our everyday lives and the importance of sustainable energy sources in our quest for a cleaner and more efficient future.

交流发电机（ac generator）是一种通过电磁感应过程将机械能转化为电能的设备。它在我们的日常生活中发挥着至关重要的作用，为我们提供了所需的电力，以供给家庭、工业和各种设备。理解交流发电机（ac generator）的工作原理可以让我们深入了解支配现代技术的电和磁的基本原理。交流发电机（ac generator）的基本原理是法拉第电磁感应定律，该定律指出，闭合回路内变化的磁场会在导线中感应出电动势（emf）。简单来说，当导体（如铜线）在磁场中移动时，会产生电流。这就是交流发电机（ac generator）能够生成交流电（AC）的核心机制。交流发电机（ac generator）通常由两个主要部分组成：转子和定子。转子是发电机的旋转部分，与主动力装置（如涡轮或引擎）相连。当转子旋转时，会产生一个旋转的磁场。另一方面，定子是静止部分，包含线圈。当转子的磁场穿过定子的线圈时，会在导线中感应出交流电。交流发电机（ac generator）的一个显著优势是其能够以高电压生产电力，这对于长距离高效传输至关重要。交流电可以通过变压器轻松转换为更高的电压，使其能够在电力线上以最小的能量损失传输。这使得交流发电机（ac generator）特别适合为城市和城镇供电的发电厂。此外，交流发电机（ac generator）具有多功能性，可以用于各种应用，从露营旅行用的小型便携式发电机到为工厂供电的大型工业发电机。在可再生能源系统中，如风力涡轮机和水电站，它们也很常见。在这些系统中，来自风或流水的动能被转化为机械能，然后驱动交流发电机（ac generator）以生产电力。总之，交流发电机（ac generator）是现代电力系统的重要组成部分。它通过电磁感应将机械能转化为电能的能力，使其成为发电的基石。通过理解交流发电机（ac generator）的工作原理，我们可以欣赏到推动我们日常生活的技术以及在追求更清洁和更高效的未来中可持续能源来源的重要性。