voltage ratio

简明释义

电压比

英英释义

例句

1.The transformer operates efficiently when the voltage ratio 电压比 is properly matched to the system requirements.

当变压器的电压比与系统要求相匹配时，它能高效运行。

2.To calculate the output voltage, you need to know the voltage ratio 电压比 of the step-up transformer.

要计算输出电压，您需要知道升压变压器的电压比。

3.In this circuit, the voltage ratio 电压比 between the primary and secondary coils is crucial for proper function.

在这个电路中，初级和次级线圈之间的电压比对正常功能至关重要。

4.The voltage ratio 电压比 determines how much the voltage is increased or decreased in a transformer.

在变压器中，电压比决定了电压的增大或减小程度。

5.Engineers must consider the voltage ratio 电压比 when designing power distribution systems.

工程师在设计电力分配系统时必须考虑电压比。

作文

In the field of electrical engineering, understanding the concept of voltage ratio is crucial for designing and analyzing circuits. The voltage ratio refers to the relationship between the input voltage and the output voltage in a circuit or transformer. This ratio helps engineers determine how much voltage is stepped up or stepped down in various electrical devices. For instance, in a transformer, the voltage ratio can indicate whether the transformer is designed to increase (step-up) or decrease (step-down) voltage levels. To illustrate this, consider a transformer with a primary winding of 100 turns and a secondary winding of 50 turns. The voltage ratio can be calculated by dividing the number of turns in the primary winding by the number of turns in the secondary winding. In this case, the voltage ratio would be 100/50, which equals 2. This means that if the input voltage is 200 volts, the output voltage would be 100 volts, effectively stepping down the voltage by half. Understanding the voltage ratio is not only essential for transformers but also for other electronic components like resistors and capacitors. For example, in a voltage divider circuit, the voltage ratio between two resistors determines how much voltage is dropped across each resistor. By manipulating the voltage ratio, engineers can design circuits that provide specific voltage levels required for different components. Moreover, the voltage ratio plays a significant role in power distribution systems. High-voltage transmission lines utilize transformers to adjust the voltage ratio for efficient long-distance power transmission. By stepping up the voltage for transmission, energy losses due to resistance in the wires are minimized. Upon reaching the destination, the voltage is stepped down again for safe use in homes and businesses. In conclusion, the concept of voltage ratio is fundamental in the realm of electrical engineering. It aids in the design and functionality of various electrical devices and systems. A thorough understanding of the voltage ratio allows engineers to create efficient circuits, optimize power distribution, and ensure the safe operation of electrical equipment. As technology continues to advance, the importance of mastering concepts like the voltage ratio will only grow, enabling innovations that rely on precise electrical measurements and control.

在电气工程领域，理解电压比的概念对于电路的设计和分析至关重要。电压比是指电路或变压器中输入电压与输出电压之间的关系。这个比率帮助工程师确定在各种电气设备中电压被提升或降低的程度。例如，在变压器中，电压比可以指示变压器是设计用于提高（升压）还是降低（降压）电压水平。为了说明这一点，考虑一个初级绕组为100圈、次级绕组为50圈的变压器。电压比可以通过将初级绕组的圈数除以次级绕组的圈数来计算。在这种情况下，电压比为100/50，等于2。这意味着如果输入电压为200伏特，则输出电压为100伏特，有效地将电压降低了一半。理解电压比不仅对变压器至关重要，还对其他电子元件如电阻器和电容器有重要意义。例如，在电压分压电路中，两电阻之间的电压比决定了每个电阻上降落的电压。通过操控电压比，工程师可以设计出提供不同组件所需特定电压水平的电路。此外，电压比在电力分配系统中也扮演着重要角色。高压输电线路利用变压器调整电压比以实现高效的长距离电力传输。通过升高电压进行传输，可以最小化因导线电阻造成的能量损失。到达目的地后，电压再次降低，以便安全地在家庭和企业中使用。总之，电压比的概念在电气工程领域是基础性的。它有助于各种电气设备和系统的设计与功能。对电压比的透彻理解使工程师能够创建高效的电路，优化电力分配，并确保电气设备的安全运行。随着技术的不断进步，掌握如电压比这样的概念的重要性只会增加，从而推动依赖精确电气测量和控制的创新。