electrical transformer

简明释义

变压器

英英释义

例句

1.Engineers regularly inspect the electrical transformer to ensure it operates safely.

工程师定期检查电气变压器以确保其安全运行。

2.Without an electrical transformer, many appliances would not function properly.

没有电气变压器，许多电器将无法正常工作。

3.The electrical transformer at the substation steps down the voltage for local distribution.

变电站的电气变压器将电压降低以便于本地分配。

4.The power plant uses an electrical transformer to increase voltage for efficient transmission.

发电厂使用一个电气变压器来提高电压以实现高效传输。

5.An electrical transformer is essential for converting high voltage electricity to a usable level in homes.

一个电气变压器对于将高压电转换为家庭可用电压水平是必不可少的。

作文

An electrical transformer is a crucial component in the world of electricity and power distribution. It serves the primary function of changing the voltage levels of electrical energy. By stepping up or stepping down voltage, an electrical transformer allows for the efficient transmission of electricity over long distances. This transformation is essential because high voltages are necessary for reducing energy loss during transmission, while lower voltages are safer for use in residential and commercial applications.The basic principle behind an electrical transformer is electromagnetic induction, which was first discovered by Michael Faraday in the 19th century. An electrical transformer consists of two coils of wire, known as the primary and secondary windings, wrapped around a magnetic core. When an alternating current (AC) flows through the primary winding, it creates a magnetic field that induces a voltage in the secondary winding. The ratio of the number of turns in the primary and secondary coils determines whether the transformer steps up or steps down the voltage.In practical applications, electrical transformers are used in various settings. For instance, in power plants, large transformers increase the voltage produced by generators to a level suitable for transmission lines. This allows electricity to travel long distances with minimal loss of energy. Upon reaching its destination, another electrical transformer reduces the voltage to a safer level for use in homes and businesses.Moreover, electrical transformers come in different types, including step-up transformers, step-down transformers, isolation transformers, and autotransformers. Each type serves a specific purpose in the electrical system. For example, isolation transformers are used to separate different sections of an electrical system to enhance safety and reduce the risk of electric shock.The importance of electrical transformers cannot be overstated. They play a vital role in ensuring that electricity is delivered safely and efficiently. Without transformers, the modern electrical grid would not be able to function effectively. Additionally, they contribute to the reliability of power supply systems, which are essential for daily life and economic activities.In conclusion, an electrical transformer is more than just a piece of equipment; it is a fundamental element in the distribution of electrical energy. Understanding how these devices work and their significance in our daily lives helps us appreciate the complexity and efficiency of our electrical systems. As technology continues to advance, the role of electrical transformers will remain pivotal in the ongoing development of sustainable and reliable energy solutions.

电气变压器是电力和电力分配领域中的一个关键组件。它的主要功能是改变电能的电压水平。通过升高或降低电压，电气变压器使电力能够有效地在长距离内传输。这种转变至关重要，因为高电压对于减少传输过程中的能量损失是必要的，而较低的电压则更安全，适合用于住宅和商业应用。电气变压器背后的基本原理是电磁感应，这一原理最早由迈克尔·法拉第在19世纪发现。电气变压器由两组绕线圈组成，称为初级绕组和次级绕组，围绕着一个磁芯。当交流电（AC）通过初级绕组流动时，它会产生一个磁场，从而在次级绕组中感应出电压。初级和次级线圈的匝数比决定了变压器是升压还是降压。在实际应用中，电气变压器被广泛使用。例如，在发电厂，大型变压器将发电机产生的电压提高到适合输电线的水平。这使得电能可以在长距离内以最小的能量损失进行传输。当电力到达目的地时，另一个电气变压器将电压降低到安全水平，以便在家庭和企业中使用。此外，电气变压器有不同的类型，包括升压变压器、降压变压器、隔离变压器和自耦变压器。每种类型在电气系统中都有特定的用途。例如，隔离变压器用于将电气系统的不同部分分开，以增强安全性并减少触电的风险。电气变压器的重要性不容小觑。它们在确保电力安全高效地传送方面发挥着至关重要的作用。如果没有变压器，现代电网将无法有效运作。此外，它们还促进了电力供应系统的可靠性，这对于日常生活和经济活动至关重要。总之，电气变压器不仅仅是一件设备；它是电能分配中的基本元素。了解这些设备的工作原理及其在我们日常生活中的重要性，有助于我们欣赏电气系统的复杂性和高效性。随着技术的不断进步，电气变压器的作用将在可持续和可靠的能源解决方案的持续发展中保持关键地位。