active voltage

简明释义

有效电压

英英释义

例句

1.The technician measured the active voltage in the circuit to ensure it was functioning correctly.

技术员测量了电路中的有效电压以确保其正常工作。

2.The active voltage of this power supply is crucial for the performance of the device.

这个电源的有效电压对设备的性能至关重要。

3.In a three-phase system, the active voltage can vary between phases.

在三相系统中，有效电压可能在各相之间变化。

4.When troubleshooting, always check the active voltage to diagnose power issues.

在故障排除时，总是检查有效电压以诊断电源问题。

5.Safety protocols require monitoring the active voltage before performing maintenance.

安全协议要求在进行维护之前监测有效电压。

作文

In the realm of electrical engineering, understanding various terms and concepts is crucial for both students and professionals. One such term that often comes up in discussions about electrical circuits is active voltage. The concept of active voltage refers to the effective voltage that contributes to the actual power consumed by a circuit. This is particularly important when dealing with alternating current (AC) systems, where voltage fluctuates over time. Unlike reactive voltage, which does not perform any useful work, active voltage is responsible for powering devices and performing tasks. To grasp the significance of active voltage, it’s essential to understand its relationship with current and resistance. According to Ohm's Law, voltage (V) is the product of current (I) and resistance (R). In an AC circuit, this relationship becomes more complex due to the presence of inductance and capacitance. However, the principle remains that active voltage is what drives current through the circuit, enabling devices to operate efficiently.For example, consider a simple circuit consisting of a resistor connected to an AC power source. The active voltage in this circuit determines how much power is delivered to the resistor. If the active voltage is high, more power will be consumed, resulting in greater heat generation and brighter light in a bulb. Conversely, if the active voltage is low, the device may not function optimally or may not work at all. This illustrates the practical implications of understanding active voltage in everyday applications.Moreover, in the context of power factor, active voltage plays a vital role. The power factor is a measure of how effectively electrical power is being converted into useful work output. It is defined as the ratio of active voltage to the apparent voltage in a circuit. A higher power factor indicates that a larger proportion of the voltage is being used effectively, while a lower power factor suggests inefficiencies. Thus, engineers often strive to maximize active voltage in their designs to ensure optimal performance and energy efficiency.In conclusion, active voltage is a fundamental concept in electrical engineering that signifies the effective voltage contributing to power consumption in a circuit. Understanding this concept not only helps in designing efficient electrical systems but also aids in troubleshooting and optimizing existing circuits. As technology continues to evolve, the importance of mastering concepts like active voltage cannot be overstated, especially for those aspiring to excel in the field of electrical engineering.

在电气工程领域，理解各种术语和概念对学生和专业人士都至关重要。其中一个常常出现在电路讨论中的术语是有效电压。有效电压的概念指的是对电路实际消耗功率有贡献的有效电压。这在处理交流（AC）系统时尤为重要，因为电压会随时间波动。与不做任何有用工作的无功电压不同，有效电压负责为设备供电并执行任务。要理解有效电压的重要性，有必要了解它与电流和电阻之间的关系。根据欧姆定律，电压（V）是电流（I）与电阻（R）的乘积。在交流电路中，由于存在电感和电容，这一关系变得更加复杂。然而，原则仍然是有效电压驱动电流通过电路，使设备能够高效运行。例如，考虑一个简单的电路，其中一个电阻器连接到交流电源。在这个电路中，有效电压决定了传递给电阻的功率。如果有效电压较高，消耗的功率就会更多，从而导致更大的热量产生和灯泡更亮。相反，如果有效电压较低，设备可能无法正常工作或根本无法工作。这说明了在日常应用中理解有效电压的实际意义。此外，在功率因数的背景下，有效电压也发挥着至关重要的作用。功率因数是电力被有效转换为有用工作输出的程度的度量。它被定义为电路中有效电压与视在电压的比率。较高的功率因数表明电压的较大比例被有效利用，而较低的功率因数则表明效率低下。因此，工程师通常努力最大化设计中的有效电压，以确保最佳性能和能效。总之，有效电压是电气工程中的一个基本概念，表示对电路中功率消耗有贡献的有效电压。理解这一概念不仅有助于设计高效的电气系统，还有助于故障排除和优化现有电路。随着技术的不断发展，掌握像有效电压这样的概念的重要性不容小觑，尤其是对于那些渴望在电气工程领域中脱颖而出的人。