power transformer

简明释义

电力变压器

英英释义

例句

1.The failure of a power transformer can lead to widespread power outages.

一台变压器的故障可能会导致大范围的停电。

2.A power transformer is crucial for stepping up voltage for long-distance transmission.

一台变压器对提高远距离传输的电压至关重要。

3.Regular maintenance of the power transformer is essential to ensure its longevity.

定期维护变压器对于确保其使用寿命至关重要。

4.The utility company installed a new power transformer to handle the increased load in the area.

电力公司安装了一台新的变压器以应对该地区增加的负载。

5.Engineers are conducting tests on the power transformer to improve its efficiency.

工程师正在对变压器进行测试，以提高其效率。

作文

In the realm of electrical engineering, the term power transformer refers to a crucial device that plays a vital role in the transmission and distribution of electricity. A power transformer is designed to transfer electrical energy between two or more circuits through electromagnetic induction. This process allows for the adjustment of voltage levels, making it possible to transport electricity over long distances with minimal losses. The significance of a power transformer cannot be overstated; it serves as the backbone of modern electrical systems, ensuring that power generated at a plant reaches homes and businesses efficiently.The operation of a power transformer is based on the principles of Faraday's law of electromagnetic induction. When alternating current (AC) flows through the primary winding of the transformer, it creates a magnetic field that induces a voltage in the secondary winding. The ratio of turns in the primary and secondary coils determines whether the power transformer steps up or steps down the voltage. For instance, in a step-up transformer, the secondary coil has more turns than the primary, resulting in a higher output voltage. Conversely, a step-down transformer has fewer turns in the secondary coil, producing a lower output voltage.One of the primary applications of power transformers is in power generation stations, where they are used to elevate the voltage of electricity before it is transmitted through high-voltage power lines. This is essential because higher voltages reduce the current flowing through the wires, which in turn decreases the energy lost as heat due to resistance. Once the electricity reaches its destination, another power transformer is employed to lower the voltage to safe levels suitable for residential or industrial use.Moreover, power transformers come in various types and configurations, each suited for specific applications. Some common types include oil-immersed transformers, dry-type transformers, and autotransformers. Oil-immersed transformers are widely used in substations and are known for their efficiency and ability to handle large amounts of power. Dry-type transformers, on the other hand, are often used in indoor applications due to their safety features and reduced fire risk. Autotransformers, while less common, are utilized in applications where voltage regulation is necessary without significant isolation between circuits.The maintenance of power transformers is also a critical aspect of ensuring reliable electrical supply. Regular inspections and testing can help identify potential issues such as insulation breakdown or overheating. By addressing these problems proactively, utilities can prevent outages and extend the lifespan of their transformers. Additionally, advancements in technology have led to the development of smart transformers that integrate monitoring systems, allowing for real-time data analysis and improved efficiency.In conclusion, the power transformer is an indispensable component of the electrical infrastructure. Its ability to adjust voltage levels facilitates the efficient transmission of electricity across vast distances, making it possible for society to harness and utilize electrical power effectively. Understanding the function and importance of power transformers is essential for anyone involved in electrical engineering or related fields. As we continue to advance towards smarter and more sustainable energy systems, the role of the power transformer will undoubtedly remain pivotal in shaping our future energy landscape.

在电气工程领域，术语电力变压器指的是一种关键设备，在电力的传输和分配中发挥着重要作用。电力变压器旨在通过电磁感应在两个或多个电路之间传递电能。这个过程允许电压水平的调整，使得电力能够以最小的损耗在长距离内运输。电力变压器的重要性不容小觑；它是现代电气系统的支柱，确保发电厂产生的电力有效地到达家庭和企业。电力变压器的工作原理基于法拉第电磁感应定律。当交流电（AC）流经变压器的初级绕组时，会产生一个磁场，该磁场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电力变压器是升压还是降压。例如，在升压变压器中，次级线圈的匝数多于初级线圈，从而导致输出电压更高。相反，降压变压器的次级线圈的匝数少，产生较低的输出电压。电力变压器的主要应用之一是在发电站，通常用于在电力通过高压电线传输之前提高电压。这是必需的，因为更高的电压会减少通过电线流动的电流，从而降低由于电阻造成的热量损失。一旦电力到达目的地，另一个电力变压器被用来将电压降低到适合住宅或工业使用的安全水平。此外，电力变压器有多种类型和配置，每种都适用于特定的应用。一些常见类型包括油浸式变压器、干式变压器和自耦变压器。油浸式变压器广泛用于变电站，以其效率和处理大量电力的能力而闻名。而干式变压器则因其安全特性和降低火灾风险而通常用于室内应用。自耦变压器虽然不太常见，但在需要电压调节而电路之间没有显著隔离的应用中使用。电力变压器的维护也是确保可靠电力供应的关键方面。定期检查和测试可以帮助识别潜在问题，例如绝缘故障或过热。通过主动解决这些问题，公用事业公司可以防止停电并延长变压器的使用寿命。此外，技术的进步导致智能变压器的发展，这些变压器集成了监测系统，允许实时数据分析和提高效率。总之，电力变压器是电气基础设施不可或缺的组成部分。它调节电压水平的能力促进了电力在广阔距离内的有效传输，使社会能够有效利用电能。了解电力变压器的功能和重要性对于任何参与电气工程或相关领域的人来说都是至关重要的。随着我们继续迈向更智能和更可持续的能源系统，电力变压器的角色无疑将在塑造我们未来的能源格局中保持关键地位。