induced voltage
简明释义
感应电压
英英释义
Induced voltage refers to the electromotive force generated in a conductor when it is exposed to a changing magnetic field or when it moves through a magnetic field. | 感应电压是指当导体暴露于变化的磁场中或在磁场中移动时产生的电动势。 |
例句
1.An increase in the magnetic field strength will result in a higher induced voltage 感应电压 across the conductor.
磁场强度的增加将导致导体上的induced voltage 感应电压升高。
2.The phenomenon of induced voltage 感应电压 is crucial in the operation of electric generators.
在电动机的运行中,induced voltage 感应电压现象至关重要。
3.When a conductor moves through a magnetic field, it generates an induced voltage 感应电压 that can power electrical devices.
当导体在磁场中移动时,它会产生一个induced voltage 感应电压,可以为电气设备供电。
4.Engineers must account for induced voltage 感应电压 when designing circuits to prevent unexpected behavior.
工程师在设计电路时必须考虑induced voltage 感应电压以防止意外行为。
5.In transformers, the primary coil creates an induced voltage 感应电压 in the secondary coil through electromagnetic induction.
在变压器中,初级线圈通过电磁感应在次级线圈中产生induced voltage 感应电压。
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 described by Faraday's law of electromagnetic induction, which states that the electromotive force (EMF) induced in a closed loop is proportional to the rate of change of the magnetic flux through the loop. Understanding induced voltage (感应电压) is crucial for various applications, including electric generators, transformers, and inductors.To illustrate the principle of induced voltage (感应电压), consider a simple experiment with a coil of wire and a magnet. When a magnet is moved towards or away from the coil, the magnetic field around the coil changes. This change in the magnetic field induces a voltage across the ends of the coil. If the circuit is closed, this induced voltage can drive a current through the circuit. The direction of the induced voltage can be determined using Lenz's law, which states that the induced current will flow in such a direction as to oppose the change in magnetic flux that produced it.The practical implications of induced voltage (感应电压) are vast. For example, in electric generators, mechanical energy is converted into electrical energy through the process of electromagnetic induction. As the generator's rotor turns within a magnetic field, it creates a changing magnetic environment that induces voltage in the stator windings. This is how electricity is generated in power plants, allowing us to harness energy for our daily needs.Similarly, transformers rely on induced voltage (感应电压) to transfer electrical energy between circuits at different voltage levels. A transformer consists of two coils of wire, known as the primary and secondary coils, wrapped around a magnetic core. When an alternating current flows through the primary coil, it creates a changing magnetic field that induces a voltage in the secondary coil. This allows for efficient transmission of electricity over long distances, as it can step up or step down voltage levels as needed.In addition to these applications, induced voltage (感应电压) is also a critical factor in the design of inductors, which are used to store energy in magnetic fields. Inductors are commonly found in electronic circuits, where they help to filter signals and manage energy flow. The ability of an inductor to resist changes in current is directly related to the induced voltage (感应电压) generated by the changing current flowing through it.Moreover, understanding induced voltage (感应电压) is essential for addressing safety concerns in electrical systems. High levels of induced voltage can lead to electrical surges, which may damage equipment or pose hazards to personnel. Engineers must take precautions to mitigate these risks by incorporating protective devices such as surge protectors and circuit breakers.In conclusion, induced voltage (感应电压) is a key principle that underpins many technologies we rely on today. From generating electricity to transforming voltage levels and managing energy in circuits, the concept of induced voltage (感应电压) plays a vital role in the functioning of electrical systems. A solid understanding of this phenomenon not only enhances our knowledge of physics but also equips us to innovate and improve electrical technologies for the future.
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所产生的电压。这种现象由法拉第电磁感应定律描述,该定律指出,闭合回路中感应的电动势(EMF)与穿过回路的磁通量变化率成正比。理解感应电压(induced voltage)对于各种应用至关重要,包括发电机、变压器和电感器。为了说明感应电压(induced voltage)的原理,可以考虑一个简单的实验,使用一根线圈和一个磁铁。当磁铁朝向或远离线圈移动时,围绕线圈的磁场发生变化。这种磁场的变化在线圈的两端感应出电压。如果电路是闭合的,这个感应电压可以驱动电流通过电路。感应电压的方向可以通过楞次定律来确定,该定律指出,感应电流将以一种抵消产生它的磁通量变化的方向流动。感应电压(induced voltage)的实际意义是巨大的。例如,在发电机中,机械能通过电磁感应的过程转化为电能。当发电机的转子在磁场中转动时,它创造了一个变化的磁环境,从而在定子绕组中感应出电压。这就是我们如何在发电厂中发电,使我们能够利用能源满足日常需求。同样,变压器依赖于感应电压(induced voltage)在不同电压水平的电路之间传递电能。变压器由两个绕在磁芯上的线圈组成,称为初级线圈和次级线圈。当交变电流流过初级线圈时,会产生一个变化的磁场,在次级线圈中感应出电压。这允许高效地在长距离上传输电力,因为它可以根据需要升高或降低电压水平。除了这些应用外,理解感应电压(induced voltage)对于电感器的设计也是至关重要的,电感器用于在磁场中储存能量。电感器通常出现在电子电路中,帮助过滤信号和管理能量流动。电感器对电流变化的抵抗能力与流经它的变化电流所产生的感应电压(induced voltage)直接相关。此外,理解感应电压(induced voltage)对于解决电气系统中的安全问题也至关重要。高水平的感应电压可能导致电气浪涌,这可能损坏设备或对人员构成危险。工程师必须采取预防措施,通过引入保护设备,如浪涌保护器和断路器,来减轻这些风险。总之,感应电压(induced voltage)是支撑我们今天依赖的许多技术的关键原理。从发电到变换电压水平以及管理电路中的能量,感应电压(induced voltage)的概念在电气系统的功能中发挥着至关重要的作用。对这一现象的深入理解不仅增强了我们对物理学的认识,而且使我们能够创新和改善未来的电气技术。
相关单词