induced voltage

简明释义

感应电压

英英释义

例句

1.When the magnetic field changes, an induced voltage is created in the coil.

当磁场变化时，线圈中会产生感应电压。

2.An induced voltage can cause unwanted currents in nearby circuits.

感应电压可能会在附近电路中引起不必要的电流。

3.In transformers, the primary coil generates an induced voltage in the secondary coil.

在变压器中，初级线圈在次级线圈中产生感应电压。

4.The generator produces an induced voltage that powers the entire grid.

发电机产生的感应电压为整个电网供电。

5.The phenomenon of induced voltage is crucial for wireless charging technologies.

感应电压现象对无线充电技术至关重要。

作文

Induced voltage is a fundamental concept in the field of electromagnetism and electrical engineering. It refers to the voltage that is generated in a conductor when it is exposed to a changing magnetic field. This phenomenon is a direct consequence of Faraday's Law of Electromagnetic Induction, which states that a change in magnetic flux through a circuit induces an electromotive force (EMF) in that circuit. Understanding induced voltage is crucial for various applications, including the design of electrical devices and systems. To illustrate this concept, consider a simple experiment involving a coil of wire and a magnet. When the magnet is moved towards or away from the coil, the magnetic field around the coil changes. According to Faraday's Law, this change in magnetic field produces an induced voltage across the ends of the coil. The direction of the induced voltage is determined by Lenz's Law, which states that the induced current will flow in a direction that opposes the change in magnetic flux that produced it. This principle is not only fascinating but also essential for the operation of many electrical devices, such as generators and transformers.In practical applications, induced voltage plays a critical role in power generation. For instance, in a power plant, large turbines rotate within magnetic fields to produce electricity. As the turbines spin, they cause a change in the magnetic flux, which generates a significant induced voltage that can be harnessed for use in homes and industries. The efficiency of this process depends on several factors, including the strength of the magnetic field, the speed of the turbine, and the number of turns in the coil.Moreover, induced voltage is not limited to intentional applications like power generation. It can also occur unintentionally, leading to potential hazards. For example, in high-voltage power lines, nearby conductive materials can experience induced voltage, which poses risks such as electrical shock or equipment damage. Therefore, understanding how to manage and mitigate these effects is vital for ensuring safety in electrical installations.Furthermore, the concept of induced voltage extends beyond traditional electrical systems. In modern technology, it is important in the functioning of various sensors and inductive charging systems. For instance, wireless charging pads utilize the principle of induced voltage to transfer energy from the pad to the device being charged without direct contact. This innovative application showcases the versatility and importance of induced voltage in our daily lives.In conclusion, induced voltage is a crucial element in the study of electromagnetism and has widespread applications in electrical engineering. From generating electricity in power plants to enabling wireless charging technologies, the principles behind induced voltage are integral to modern electrical systems. A thorough understanding of this phenomenon not only enhances our knowledge of physics but also equips us with the tools to innovate and improve the technologies we rely on every day.

感应电压是电磁学和电气工程领域的一个基本概念。它指的是当导体暴露在变化的磁场中时产生的电压。这一现象是法拉第电磁感应定律的直接结果，该定律指出，电路中的磁通量变化会在该电路中感应出电动势（EMF）。理解感应电压对于各种应用至关重要，包括电气设备和系统的设计。为了说明这一概念，可以考虑一个简单的实验，涉及一卷电线和一个磁铁。当磁铁向线圈移动或远离线圈时，线圈周围的磁场发生变化。根据法拉第定律，这种磁场的变化会在线圈两端产生感应电压。感应电压的方向由伦茨定律决定，后者指出，感应电流将以反对产生它的磁通量变化的方向流动。这个原理不仅令人着迷，而且对许多电气设备的运行至关重要，例如发电机和变压器。在实际应用中，感应电压在发电中发挥着关键作用。例如，在发电厂，大型涡轮机在磁场中旋转以产生电力。当涡轮机旋转时，它们引起磁通量的变化，从而产生显著的感应电压，可以用于家庭和工业。这个过程的效率取决于多个因素，包括磁场的强度、涡轮机的速度和线圈的圈数。此外，感应电压不仅限于意图的应用，如发电。它也可能意外发生，导致潜在的危险。例如，在高压电线中，附近的导电材料可能会经历感应电压，这会带来电击或设备损坏等风险。因此，理解如何管理和减轻这些影响对于确保电气安装的安全至关重要。此外，感应电压的概念超越了传统的电气系统。在现代技术中，它在各种传感器和感应充电系统的功能中也很重要。例如，无线充电垫利用感应电压的原理，将能量从垫传输到正在充电的设备，而无需直接接触。这一创新应用展示了感应电压在我们日常生活中的多样性和重要性。总之，感应电压是电磁学研究中的一个关键要素，具有广泛的电气工程应用。从发电厂发电到实现无线充电技术，感应电压背后的原理对现代电气系统至关重要。对这一现象的透彻理解不仅增强了我们对物理学的知识，还为我们提供了创新和改进我们每天依赖的技术的工具。