electric transformer

简明释义

变压器

英英释义

例句

1.An electric transformer can step up voltage for efficient distribution in urban areas.

一个电力变压器可以提高电压，以便在城市地区高效分配。

2.The electric transformer is essential for reducing power loss during long-distance energy transfer.

为了减少长距离能量传输中的功率损失，电力变压器是必不可少的。

3.In our factory, we use an electric transformer to convert high voltage electricity to a safer level.

在我们的工厂中，我们使用一个电力变压器将高电压电力转换为更安全的水平。

4.We installed a new electric transformer to meet the increased demand for electricity in our neighborhood.

我们安装了一个新的电力变压器以满足我们社区日益增长的电力需求。

5.The power grid relies on an electric transformer to adjust voltage levels for efficient transmission.

电网依赖于一个电力变压器来调整电压水平以实现高效传输。

作文

An electric transformer is a crucial component in the electrical distribution system. It is designed to change the voltage levels of electricity as it moves from power plants to homes and businesses. The primary function of an electric transformer is to either step up or step down voltage levels, ensuring that the electricity can be transmitted over long distances efficiently. This process is essential because high voltages are necessary for efficient transmission, while lower voltages are safer and more suitable for everyday use.The basic principle behind an electric transformer is electromagnetic induction. It consists of two coils of wire, known as the primary and secondary windings, wrapped around a core made of ferromagnetic material. When alternating current (AC) flows through the primary winding, it creates a magnetic field that induces a voltage in the secondary winding. Depending on the number of turns in each winding, the voltage can be increased or decreased. This ratio of turns is what determines whether the transformer is a step-up or step-down transformer.In practical applications, electric transformers are found in various settings. For instance, at a power generation facility, a step-up transformer increases the voltage produced by generators before the electricity is sent out over transmission lines. This high voltage reduces energy loss due to resistance in the wires. Once the electricity reaches a substation closer to residential areas, a step-down transformer decreases the voltage to a safer level for distribution to homes and businesses.The importance of electric transformers cannot be overstated. They play a vital role in the efficiency and safety of our electrical systems. Without them, the electricity generated would not be able to travel long distances without significant losses. Additionally, they help in stabilizing the voltage levels, which is crucial for the safe operation of electrical appliances.Moreover, electric transformers come in various types and sizes, suited for different applications. Some are small enough to be used in household appliances, while others are massive structures found in substations. Each type is designed with specific materials and technologies to optimize performance and reliability.In recent years, advancements in technology have led to the development of more efficient and environmentally friendly electric transformers. Innovations such as amorphous steel cores and improved insulation materials have significantly reduced energy losses and enhanced the overall performance of transformers. These developments are essential as the world moves towards greener energy solutions and seeks to minimize the carbon footprint of electrical systems.In conclusion, an electric transformer is an indispensable piece of equipment in the electrical grid. Its ability to adjust voltage levels ensures that electricity can be transmitted efficiently and safely across vast distances. As technology continues to evolve, the role of electric transformers will only become more critical in supporting our growing energy needs and achieving sustainability goals. Understanding how these devices work and their significance in our daily lives is essential for appreciating the complexity and efficiency of modern electrical systems.

电力变压器是电力分配系统中的关键组件。它的设计目的是在电力从发电厂传输到家庭和企业时改变电压水平。电力变压器的主要功能是升高或降低电压水平，确保电力能够高效地远距离传输。这个过程至关重要，因为高电压对于高效传输是必要的，而低电压则更安全，更适合日常使用。电力变压器背后的基本原理是电磁感应。它由两个绕组组成，称为初级绕组和次级绕组，缠绕在一个由铁磁材料制成的核心上。当交流电流（AC）流过初级绕组时，会产生一个磁场，从而在次级绕组中感应出电压。根据每个绕组的圈数，电压可以被升高或降低。这个圈数的比例决定了变压器是升压还是降压变压器。在实际应用中，电力变压器在各种环境中都有发现。例如，在发电厂，升压变压器会在电力通过输电线发送之前增加发电机产生的电压。这种高电压减少了由于电线电阻造成的能量损失。一旦电力到达靠近住宅区的变电站，降压变压器会将电压降低到更安全的水平，以便分配给家庭和企业。电力变压器的重要性不可低估。它们在我们电气系统的效率和安全性方面发挥着至关重要的作用。如果没有它们，发电的电力就无法在不发生显著损失的情况下长途运输。此外，它们还有助于稳定电压水平，这对电器的安全运行至关重要。此外，电力变压器有多种类型和大小，适用于不同的应用。有些小到可以用于家用电器，而另一些则是大型结构，位于变电站。每种类型都采用特定的材料和技术来优化性能和可靠性。近年来，技术的进步促使开发出更高效、环保的电力变压器。诸如非晶态钢芯和改进的绝缘材料等创新大大减少了能量损失，提高了变压器的整体性能。这些发展至关重要，因为世界正朝着更绿色的能源解决方案迈进，并寻求最小化电力系统的碳足迹。总之，电力变压器是电网中不可或缺的设备。它调节电压水平的能力确保电力能够高效、安全地跨越广阔的距离进行传输。随着技术的不断发展，电力变压器的角色在支持我们日益增长的能源需求和实现可持续发展目标方面只会变得更加重要。理解这些设备的工作原理及其在我们日常生活中的重要性，对于欣赏现代电气系统的复杂性和效率至关重要。