transformer electromottive force

简明释义

变压器电动势

英英释义

The electromotive force (EMF) induced in a transformer due to the change in magnetic flux, which drives the current through the coils of wire.

由于磁通量变化而在变压器中感应出的电动势(EMF),它推动电流通过绕组。

例句

1.The calculation of the transformer electromotive force 变压器电动势 is crucial for designing efficient power systems.

计算变压器电动势 transformer electromotive force 对于设计高效的电力系统至关重要。

2.In our lab experiment, we measured the transformer electromotive force 变压器电动势 across different load conditions.

在我们的实验室实验中,我们测量了不同负载条件下的变压器电动势 transformer electromotive force

3.The efficiency of a transformer is often related to its transformer electromotive force 变压器电动势 generation capability.

变压器的效率通常与其变压器电动势 transformer electromotive force 产生能力有关。

4.Understanding the transformer electromotive force 变压器电动势 helps in troubleshooting electrical issues in power plants.

理解变压器电动势 transformer electromotive force 有助于解决电厂中的电气问题。

5.Engineers must consider the transformer electromotive force 变压器电动势 when selecting materials for transformers.

工程师在选择变压器材料时必须考虑变压器电动势 transformer electromotive force

作文

In the world of electrical engineering, the concept of a transformer is crucial for the efficient transmission of electrical energy. A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction. One of the key parameters that define the performance of a transformer is its transformer electromotive force, which is essential for understanding how transformers operate. The transformer electromotive force (EMF) refers to the voltage induced in the secondary coil of a transformer when an alternating current flows through the primary coil. This phenomenon occurs due to Faraday's law of electromagnetic induction, which states that a change in magnetic flux can induce an electromotive force in a circuit.To elaborate further, when an alternating current passes through the primary winding of the transformer, it generates a varying magnetic field. This changing magnetic field induces a voltage in the secondary winding. The magnitude of the induced voltage is directly proportional to the number of turns in the secondary coil and the rate of change of magnetic flux. Thus, the transformer electromotive force plays a vital role in determining the output voltage of a transformer, making it a fundamental concept in power distribution systems.The relationship between the primary and secondary voltages in a transformer can be expressed by the formula: Vp/Vs = Np/Ns, where Vp is the primary voltage, Vs is the secondary voltage, Np is the number of turns in the primary coil, and Ns is the number of turns in the secondary coil. This equation illustrates how the transformer electromotive force can be manipulated by changing the number of turns in the coils. For instance, if the secondary coil has more turns than the primary coil, the transformer will step up the voltage; conversely, if the secondary coil has fewer turns, the voltage will be stepped down.Understanding the transformer electromotive force is not only important for electrical engineers but also for anyone involved in the design and implementation of electrical systems. It allows for the optimization of energy transfer, ensuring that electrical devices receive the appropriate voltage levels for their operation. Moreover, knowing how to calculate and apply the transformer electromotive force can lead to more efficient designs, reducing energy losses and improving overall system performance.In conclusion, the transformer electromotive force is a foundational element in the study of transformers and electrical engineering as a whole. It encapsulates the principles of electromagnetic induction and provides insight into the functionality and efficiency of transformers in electrical systems. As technology continues to advance, a thorough understanding of this concept will remain essential for engineers and technicians working in the field of electricity and electronics. By mastering the principles surrounding the transformer electromotive force, we can better appreciate the intricacies of electrical energy transmission and its critical role in modern society.

在电气工程的世界中,变压器的概念对于电能的高效传输至关重要。变压器是一种通过电磁感应在两个或多个电路之间转移电能的电气设备。定义变压器性能的一个关键参数是其变压器电动势,这对于理解变压器的工作原理至关重要。变压器电动势(EMF)指的是当交流电流流过变压器的初级线圈时,在次级线圈中感应出的电压。这一现象是由于法拉第电磁感应定律所引起的,法拉第定律指出,磁通量的变化可以在电路中感应出电动势。进一步阐述,当交流电流通过变压器的初级绕组时,会产生一个变化的磁场。这个变化的磁场在次级绕组中感应出电压。感应电压的大小与次级线圈中的匝数和磁通量变化的速率成正比。因此,变压器电动势在决定变压器输出电压方面起着至关重要的作用,使其成为电力分配系统中的基本概念。变压器中初级和次级电压之间的关系可以用公式表示:Vp/Vs = Np/Ns,其中Vp是初级电压,Vs是次级电压,Np是初级线圈的匝数,Ns是次级线圈的匝数。这个方程说明了如何通过改变线圈中的匝数来操控变压器电动势。例如,如果次级线圈的匝数多于初级线圈,则变压器将提升电压;反之,如果次级线圈的匝数少于初级线圈,则电压将降低。理解变压器电动势不仅对电气工程师重要,对任何参与电气系统设计和实施的人来说也是如此。它允许优化能量传输,确保电气设备接收到适当的电压水平以进行操作。此外,知道如何计算和应用变压器电动势可以导致更高效的设计,减少能量损失,提高整体系统性能。总之,变压器电动势是变压器及电气工程整体研究的基础元素。它概括了电磁感应的原理,并提供了对变压器在电气系统中功能和效率的洞察。随着技术的不断进步,深入理解这一概念将继续对从事电力和电子领域的工程师和技术人员至关重要。通过掌握围绕变压器电动势的原理,我们可以更好地欣赏电能传输的复杂性及其在现代社会中的关键作用。