voltage root mean square

简明释义

均方根电压值

英英释义

例句

1.The output of the inverter was measured in terms of voltage root mean square 电压均方根 to assess its efficiency.

逆变器的输出以电压均方根 voltage root mean square为单位进行测量，以评估其效率。

2.The technician explained that the voltage root mean square 电压均方根 value determines the effective voltage delivered to the load.

技术员解释说，电压均方根 voltage root mean square值决定了施加到负载上的有效电压。

3.The engineer measured the voltage root mean square 电压均方根 to ensure the system was operating within safe limits.

工程师测量了电压均方根 voltage root mean square以确保系统在安全范围内运行。

4.To analyze the circuit performance, we need to calculate the voltage root mean square 电压均方根 of the signal.

为了分析电路性能，我们需要计算信号的电压均方根 voltage root mean square。

5.In AC circuits, the voltage root mean square 电压均方根 is crucial for calculating power consumption.

在交流电路中，电压均方根 voltage root mean square对于计算功耗至关重要。

作文

In the field of electrical engineering, understanding the concept of voltage root mean square is crucial for both professionals and students. This term refers to a specific way of calculating the effective value of an alternating current (AC) voltage. Unlike direct current (DC), where the voltage remains constant, AC voltage varies with time, making it necessary to use a different method of measurement to determine its effectiveness in performing work. The voltage root mean square (often abbreviated as VRMS) provides a means to quantify this variation in a manner that reflects the true power delivered by the voltage over time.To grasp the significance of voltage root mean square, one must first understand its mathematical foundation. The VRMS is calculated by taking the square of the instantaneous voltage values over a complete cycle, calculating the average of those squares, and then taking the square root of that average. This process effectively smooths out the fluctuations in voltage, allowing engineers to assess the power that will be dissipated in resistive components when connected to an AC supply. For example, consider a household electrical outlet that typically supplies AC voltage. The voltage may oscillate between positive and negative values, but the voltage root mean square allows us to express this fluctuating voltage in a single, consistent value. This is particularly useful when designing electrical systems, as it informs engineers how much power will be available for appliances and devices. Without this measurement, it would be challenging to predict how much energy would be consumed or how much heat would be generated in wires and components.Moreover, understanding voltage root mean square is not only important for design but also for safety. Electrical devices are rated for certain voltage levels, and exceeding these ratings can lead to overheating or even failure. By using the VRMS value, engineers can ensure that their designs remain within safe operating limits, thus preventing accidents and equipment damage.In practical applications, the voltage root mean square is often used in conjunction with other measurements, such as current RMS (IRMS), to analyze the overall performance of electrical systems. By comparing the VRMS and IRMS values, engineers can calculate the real power (measured in watts) being consumed, which is essential for efficiency assessments and energy management.In conclusion, the concept of voltage root mean square is a fundamental aspect of electrical engineering that plays a vital role in the design, safety, and efficiency of electrical systems. As technology continues to advance, the importance of accurately measuring and understanding AC voltage will only grow. Therefore, mastering the concept of VRMS is not just an academic exercise; it is a necessary skill for anyone involved in the field of electricity and electronics. By comprehending and applying the principles of voltage root mean square, future engineers can contribute to the development of safer, more efficient electrical systems that meet the demands of modern society.

在电气工程领域，理解电压均方根的概念对专业人士和学生来说至关重要。这个术语指的是一种特定的计算交流电（AC）电压有效值的方法。与直流电（DC）不同，直流电的电压保持恒定，而交流电电压随时间变化，因此需要使用不同的测量方法来确定其在执行工作时的有效性。电压均方根（通常缩写为VRMS）提供了一种量化这种变化的方法，以反映电压随时间传递的真实功率。要理解电压均方根的重要性，首先必须了解其数学基础。VRMS是通过对一个完整周期内瞬时电压值的平方进行计算，求出这些平方的平均值，然后对该平均值开平方得出的。这一过程有效地平滑了电压的波动，使工程师能够评估连接到交流电源时在阻性元件中将会消耗的功率。例如，考虑一个通常供应交流电压的家庭电源插座。电压可能在正负值之间振荡，但电压均方根允许我们以单一、一致的值来表达这种波动电压。这在设计电气系统时尤为有用，因为它使工程师能够了解有多少功率可以供给给电器和设备。如果没有这一测量，预测能量消耗或电线和元件产生的热量将会非常困难。此外，理解电压均方根不仅对设计重要，而且对安全也至关重要。电气设备有一定的额定电压，超过这些额定值可能导致过热甚至故障。通过使用VRMS值，工程师可以确保他们的设计保持在安全操作范围内，从而防止事故和设备损坏。在实际应用中，电压均方根通常与其他测量值（如电流均方根IRMS）结合使用，以分析电气系统的整体性能。通过比较VRMS和IRMS值，工程师可以计算实际功率（以瓦特为单位）的消耗，这对于效率评估和能源管理至关重要。总之，电压均方根的概念是电气工程的基本方面，在电气系统的设计、安全和效率中发挥着重要作用。随着技术的不断进步，准确测量和理解交流电压的重要性只会增加。因此，掌握VRMS的概念不仅仅是学术练习；它是任何涉及电气和电子领域的人员所必需的技能。通过理解和应用电压均方根的原理，未来的工程师可以为开发更安全、更高效的电气系统做出贡献，以满足现代社会的需求。