transformer ratio

简明释义

变压比

英英释义

例句

1.The engineer calculated the transformer ratio to ensure the voltage levels were appropriate for the circuit.

工程师计算了变压器比率以确保电压水平适合电路。

2.The technician adjusted the transformer ratio to optimize the performance of the electrical system.

技术员调整了变压器比率以优化电气系统的性能。

3.Understanding the transformer ratio is crucial for designing efficient power distribution systems.

理解变压器比率对于设计高效的电力分配系统至关重要。

4.A higher transformer ratio can lead to increased voltage output, but it may also introduce more losses.

较高的变压器比率可以导致更高的电压输出，但也可能引入更多损耗。

5.In this application, the required transformer ratio is 10:1 for proper functionality.

在此应用中，所需的变压器比率为10:1，以确保正常功能。

作文

In the world of electrical engineering, understanding the principles behind transformers is essential for anyone involved in power distribution and transmission. One of the most critical aspects of a transformer is its transformer ratio, which plays a vital role in determining how electrical energy is converted from one voltage level to another. The transformer ratio refers to the ratio of the number of turns of wire on the primary coil to the number of turns on the secondary coil in a transformer. This ratio directly influences the voltage output of the transformer and is fundamental to its operation.Transformers operate on the principle of electromagnetic induction, where a changing current in the primary coil generates a magnetic field that induces a current in the secondary coil. The transformer ratio is crucial because it dictates whether the transformer steps up or steps down the voltage. If the number of turns on the primary coil is greater than that on the secondary coil, the transformer is a step-down transformer, reducing the voltage. Conversely, if the secondary coil has more turns than the primary, it is a step-up transformer, increasing the voltage.For instance, consider a transformer with a transformer ratio of 2:1. This implies that for every two turns of wire on the primary coil, there is one turn on the secondary coil. If the primary voltage is 120 volts, the secondary voltage would be 60 volts, effectively stepping down the voltage by half. On the other hand, a transformer with a transformer ratio of 1:2 would increase the voltage; if the primary voltage is 120 volts, the secondary voltage would be 240 volts.The significance of the transformer ratio extends beyond simple voltage conversion. It also affects the current flowing through the coils. According to the law of conservation of energy, the power input to the transformer must equal the power output, minus any losses. Therefore, if a transformer steps up the voltage, it must step down the current proportionally. This relationship is expressed as follows: if the primary current is I1 and the secondary current is I2, then I1/I2 = transformer ratio. This means that a higher voltage results in a lower current and vice versa.Understanding the transformer ratio is crucial for engineers when designing electrical systems. For example, in power distribution networks, transformers are used to transmit electricity over long distances at high voltages to minimize energy loss. By selecting the appropriate transformer ratio, engineers can ensure that the voltage levels are suitable for both transmission and end-use applications. This careful consideration helps to maintain efficiency and safety in electrical systems.In summary, the transformer ratio is a fundamental concept in the field of transformers that determines how voltage and current are transformed from one level to another. Its implications are far-reaching, affecting everything from the design of electrical systems to the efficiency of power distribution. A thorough understanding of the transformer ratio allows engineers to make informed decisions that enhance the performance and reliability of electrical networks, ultimately contributing to the effective delivery of power to consumers. As technology continues to evolve, the importance of mastering concepts like the transformer ratio remains paramount in the pursuit of innovative and sustainable energy solutions.

在电气工程的世界中，理解变压器背后的原理对于任何参与电力分配和传输的人来说都是至关重要的。变压器的一个最关键的方面是它的变压器比，这在确定电能如何从一个电压水平转换到另一个电压水平时起着重要作用。变压器比是指变压器中初级线圈的匝数与次级线圈的匝数之比。这个比例直接影响变压器的电压输出，是其操作的基础。变压器基于电磁感应的原理工作，其中初级线圈中的变化电流产生一个磁场，该磁场在次级线圈中感应出电流。变压器比至关重要，因为它决定了变压器是升压还是降压。如果初级线圈的匝数大于次级线圈，则变压器为降压变压器，将电压降低。相反，如果次级线圈的匝数多于初级线圈，则它是升压变压器，增加电压。例如，考虑一个变压器比为2:1的变压器。这意味着每两个初级线圈的匝数对应一个次级线圈的匝数。如果初级电压为120伏，那么次级电压将为60伏，有效地将电压降低了一半。另一方面，变压器比为1:2的变压器将提高电压；如果初级电压为120伏，则次级电压将为240伏。变压器比的重要性不仅限于简单的电压转换。它还影响通过线圈流动的电流。根据能量守恒定律，输入到变压器的功率必须等于输出功率，减去任何损失。因此，如果变压器升高电压，则必须相应地降低电流。这种关系可以用以下公式表示：如果初级电流为I1，次级电流为I2，则I1/I2 = 变压器比。这意味着更高的电压会导致更低的电流，反之亦然。理解变压器比对于工程师在设计电气系统时至关重要。例如，在电力分配网络中，变压器用于以高电压远距离传输电力，以减少能量损失。通过选择适当的变压器比，工程师可以确保电压水平适合于传输和最终使用应用。这种细致的考虑有助于保持电气系统的效率和安全性。总之，变压器比是变压器领域中的一个基本概念，决定了电压和电流如何从一个水平转换到另一个水平。其影响深远，涉及从电气系统的设计到电力分配的效率。深入理解变压器比使工程师能够做出明智的决策，从而增强电气网络的性能和可靠性，最终促进电力有效地传递给消费者。随着技术的不断发展，掌握像变压器比这样的概念在追求创新和可持续能源解决方案的过程中仍然至关重要。