instantaneous voltage

简明释义

瞬时电压

英英释义

例句

1.The instantaneous voltage 瞬时电压 can fluctuate rapidly in an AC circuit.

在交流电路中，瞬时电压可能会快速波动。

2.The formula for calculating instantaneous voltage 瞬时电压 is crucial for electrical engineering students.

计算瞬时电压的公式对电气工程学生至关重要。

3.To analyze the circuit's performance, we need to measure the instantaneous voltage 瞬时电压 at various points.

为了分析电路性能，我们需要在不同点测量瞬时电压。

4.Engineers often use sensors to capture the instantaneous voltage 瞬时电压 from the power supply.

工程师们通常使用传感器捕获电源的瞬时电压。

5.The oscilloscope displayed the instantaneous voltage 瞬时电压 across the capacitor during the charging process.

示波器显示了电容器充电过程中跨越的瞬时电压。

作文

Understanding the concept of instantaneous voltage is crucial for anyone studying electrical engineering or physics. In simple terms, instantaneous voltage refers to the voltage at a specific moment in time during an electrical signal's cycle. This measurement can vary significantly over time, especially in alternating current (AC) circuits where the voltage changes direction periodically. To grasp the importance of instantaneous voltage, one must first understand how voltage functions in an electrical system. Voltage, often referred to as electric potential difference, is what drives electric current through a circuit. It is measured in volts (V) and can be thought of as the 'pressure' that pushes charges through a conductor. However, unlike water pressure, which may remain constant, the voltage in an electrical circuit can fluctuate rapidly. In AC circuits, for example, the voltage oscillates between positive and negative values, creating a sine wave pattern. The instantaneous voltage at any point on this sine wave tells us the exact voltage level at that particular instant. This information is vital for engineers when designing circuits, as they need to ensure that components can handle these varying voltage levels without failing. Moreover, understanding instantaneous voltage is essential for analyzing the performance of electrical devices. For instance, when measuring the output of a power supply or the input to an electrical appliance, knowing the instantaneous voltage allows us to determine whether the device is operating within its specified voltage range. If the voltage exceeds the maximum rating, it could lead to overheating or damage to the device. In practical applications, the concept of instantaneous voltage also plays a significant role in troubleshooting electrical issues. When an electrical device malfunctions, technicians often measure the instantaneous voltage at various points in the circuit to identify where the problem lies. By comparing the measured voltage with expected values, they can pinpoint faulty components or connections. Furthermore, understanding instantaneous voltage is not limited to just AC circuits. In direct current (DC) systems, while the voltage is typically constant, there can still be instances where it varies due to load changes or other factors. In such cases, monitoring the instantaneous voltage can provide insights into the system's performance and stability. In conclusion, the concept of instantaneous voltage is fundamental in the field of electrical engineering. It allows for a precise understanding of voltage behavior in both AC and DC circuits, aiding in design, analysis, and troubleshooting. As technology continues to advance, the ability to accurately measure and interpret instantaneous voltage will remain a critical skill for engineers and technicians alike, ensuring the safe and efficient operation of electrical systems.

理解瞬时电压的概念对于任何学习电气工程或物理学的人来说都是至关重要的。简单来说，瞬时电压指的是在电信号周期的特定时刻的电压。这一测量值可能会随时间显著变化，尤其是在交流电（AC）电路中，电压会周期性地改变方向。要理解瞬时电压的重要性，首先必须了解电压在电气系统中的功能。电压，通常称为电势差，是推动电流通过电路的动力。它以伏特（V）为单位进行测量，可以被视为推动电荷通过导体的“压力”。然而，与水压不同，水压可能保持恒定，电路中的电压可能快速波动。例如，在交流电路中，电压在正负值之间振荡，形成正弦波模式。此正弦波上任意点的瞬时电压告诉我们在该特定瞬间的电压水平。这一信息对于工程师在设计电路时至关重要，因为他们需要确保组件能够承受这些变化的电压水平而不发生故障。此外，理解瞬时电压对于分析电气设备的性能也至关重要。例如，在测量电源的输出或电器的输入时，了解瞬时电压可以让我们确定设备是否在其规定的电压范围内运行。如果电压超过最大额定值，可能会导致设备过热或损坏。在实际应用中，瞬时电压的概念在排除电气故障时也发挥着重要作用。当电气设备发生故障时，技术人员通常会在电路的各个点测量瞬时电压，以识别问题所在。通过比较测得的电压与预期值，他们可以准确定位故障组件或连接。此外，理解瞬时电压不仅限于交流电路。在直流电（DC）系统中，尽管电压通常是恒定的，但由于负载变化或其他因素，它仍然可能会有所波动。在这种情况下，监测瞬时电压可以提供有关系统性能和稳定性的洞察。总之，瞬时电压的概念在电气工程领域是基础性的。它使我们能够准确理解交流和直流电路中的电压行为，有助于设计、分析和故障排除。随着技术的不断进步，准确测量和解释瞬时电压的能力将继续成为工程师和技术人员的重要技能，确保电气系统的安全和高效运行。