primary coil

简明释义

一次线圈

英英释义

例句

1.The voltage in the primary coil 初级线圈 is typically lower than that in the secondary coil.

在初级线圈 初级线圈中的电压通常低于次级线圈中的电压。

2.When the current flows through the primary coil 初级线圈, it creates a magnetic field around it.

当电流流过初级线圈 初级线圈时，它会在周围产生一个磁场。

3.The energy from the battery is sent to the primary coil 初级线圈 of the transformer to initiate the process.

电池的能量被送入变压器的初级线圈 初级线圈以启动过程。

4.In an induction cooktop, the primary coil 初级线圈 generates a magnetic field that heats the pot.

在感应炉中，初级线圈 初级线圈产生的磁场加热锅具。

5.To test the transformer, you should measure the current in the primary coil 初级线圈 first.

要测试变压器，您应该首先测量初级线圈 初级线圈中的电流。

作文

In the realm of electrical engineering, understanding the components and principles behind transformers is crucial. One of the key elements in a transformer is the primary coil, which plays a vital role in the process of electromagnetic induction. The primary coil is essentially the input coil that receives alternating current (AC) from a power source. When current flows through this coil, it generates a magnetic field around it. This magnetic field is fundamental for the operation of the transformer, as it is responsible for inducing voltage in the secondary coil. To delve deeper, let's consider how the primary coil functions within a basic transformer setup. A transformer typically consists of two coils of wire: the primary coil and the secondary coil, wound around a core, usually made of iron. When AC flows through the primary coil, the changing current creates a fluctuating magnetic field. According to Faraday's law of electromagnetic induction, this changing magnetic field induces a voltage in the nearby secondary coil. The relationship between the number of turns in the primary coil and the secondary coil determines whether the transformer will step up or step down the voltage.The design and specifications of the primary coil are critical for efficient transformer operation. Factors such as the number of turns, wire gauge, and material used can significantly impact the performance of the transformer. For instance, a thicker wire in the primary coil can reduce resistance and improve efficiency, while the number of turns must be calculated based on the desired output voltage. Moreover, the primary coil is not just limited to transformers; it also finds applications in various devices like inductors and relays. In these devices, the primary coil serves a similar purpose: to create a magnetic field that can either store energy or control another circuit. Understanding the behavior of the primary coil in these contexts can help engineers design more effective electrical systems.In practical applications, maintenance of the primary coil is essential to ensure longevity and reliability. Over time, factors such as heat, corrosion, and physical wear can degrade the primary coil, leading to reduced efficiency or failure. Regular inspections and testing can help identify potential issues before they lead to significant problems. In conclusion, the primary coil is a fundamental component in many electrical devices, particularly transformers. Its ability to generate a magnetic field when energized with AC is what allows for the transfer of electrical energy between circuits. By understanding the function and importance of the primary coil, engineers can innovate and improve electrical systems, making them more efficient and reliable. As technology continues to advance, the role of the primary coil will undoubtedly evolve, but its core principle of electromagnetic induction will remain a cornerstone of electrical engineering.

在电气工程领域，理解变压器背后的组件和原理至关重要。变压器中的一个关键元素是初级线圈，它在电磁感应过程中发挥着重要作用。初级线圈本质上是输入线圈，从电源接收交流电（AC）。当电流通过这个线圈时，它在周围产生一个磁场。这个磁场对于变压器的操作至关重要，因为它负责在次级线圈中感应电压。为了更深入地探讨，让我们考虑一下初级线圈在基本变压器设置中的功能。变压器通常由两组绕线构成：初级线圈和次级线圈，绕在一个通常由铁制成的核心上。当交流电流通过初级线圈时，变化的电流会产生一个波动的磁场。根据法拉第电磁感应定律，这个变化的磁场会在附近的次级线圈中感应出电压。初级线圈和次级线圈的绕组数之间的关系决定了变压器是升压还是降压。初级线圈的设计和规格对变压器的高效运作至关重要。绕组数、导线规格和使用材料等因素会显著影响变压器的性能。例如，初级线圈中使用较粗的导线可以降低电阻，提高效率，而绕组数必须根据所需的输出电压进行计算。此外，初级线圈不仅限于变压器；它还在各种设备中找到应用，如电感器和继电器。在这些设备中，初级线圈起着类似的作用：创造一个磁场，可以储存能量或控制另一个电路。理解初级线圈在这些上下文中的行为可以帮助工程师设计更有效的电气系统。在实际应用中，维护初级线圈对于确保其耐用性和可靠性至关重要。随着时间的推移，热量、腐蚀和物理磨损等因素可能会降解初级线圈，导致效率降低或故障。定期检查和测试可以帮助在问题导致重大故障之前识别潜在问题。总之，初级线圈是许多电气设备中的基本组成部分，尤其是变压器。它在通电时生成磁场的能力使得电能能够在电路之间转移。通过理解初级线圈的功能和重要性，工程师可以创新并改善电气系统，使其更加高效和可靠。随着技术的不断进步，初级线圈的角色无疑会发展，但其电磁感应的核心原理将始终是电气工程的基石。