no-load voltage

简明释义

无载电压

英英释义

例句

1.The no-load voltage of the battery should be checked before using it in the device to ensure it is fully charged.

在将电池用于设备之前，应检查其空载电压以确保其已充满电。

2.When measuring the no-load voltage, ensure that the circuit is completely disconnected from any load.

测量空载电压时，确保电路与任何负载完全断开。

3.If the no-load voltage is significantly lower than expected, the power supply may be faulty.

如果空载电压明显低于预期，则电源可能存在故障。

4.The specifications indicate that the no-load voltage should remain stable under varying temperatures.

规格表指出，空载电压在不同温度下应保持稳定。

5.The transformer has a rated no-load voltage of 230 volts, which means it can deliver this voltage when there is no load connected.

该变压器的额定空载电压为230伏，这意味着在没有负载连接时，它可以提供这个电压。

作文

In the field of electrical engineering, understanding various terms and concepts is crucial for both students and professionals. One such important term is no-load voltage, which refers to the voltage measured across the terminals of a device when it is not connected to a load. This concept is particularly significant in the context of power supplies, transformers, and generators. When we discuss no-load voltage (无载电压), we are essentially talking about the maximum voltage that can be delivered by a source under ideal conditions, without any current flowing. The significance of no-load voltage cannot be overstated. For instance, in transformers, the no-load voltage is an indicator of the transformer's capability to deliver power when it is not supplying any load. It serves as a benchmark for assessing the performance and efficiency of the transformer. If the no-load voltage is significantly higher than expected, it may indicate potential issues such as over-voltage conditions or malfunctioning components.Moreover, in power supply circuits, the no-load voltage helps in determining the design specifications for the circuit. Engineers need to ensure that the no-load voltage does not exceed the maximum voltage rating of the components used, as this could lead to damage or failure. Understanding the no-load voltage also assists in troubleshooting electrical systems. If a device is not functioning correctly, measuring the no-load voltage can provide insights into whether the issue lies with the power source or the load itself.Another aspect to consider is the relationship between no-load voltage and load voltage. When a load is connected to a power source, the voltage at the load terminals will typically drop due to the internal resistance of the source. The difference between the no-load voltage and the loaded voltage can give engineers valuable information regarding the efficiency of the system. High losses in a system can often be traced back to high internal resistance or poor connections, leading to a significant drop in voltage when the load is applied.In practical applications, measuring the no-load voltage is relatively straightforward. Technicians use multimeters to measure the voltage at the output terminals of a power supply or transformer while ensuring that no load is connected. This measurement can then be compared to the specifications provided by the manufacturer to evaluate performance.In conclusion, the concept of no-load voltage (无载电压) is fundamental to understanding how electrical devices function in both theoretical and practical scenarios. It plays a critical role in the design, evaluation, and troubleshooting of electrical systems. By grasping the implications of no-load voltage, engineers and technicians can enhance their understanding of electrical systems, leading to improved design practices and more efficient operation of devices. As technology continues to evolve, the principles surrounding no-load voltage will remain essential knowledge for anyone involved in the electrical engineering field.

在电气工程领域，理解各种术语和概念对学生和专业人士来说至关重要。一个重要的术语是无载电压，它指的是当设备未连接到负载时，在其端子上测量到的电压。这个概念在电源、变压器和发电机的背景下尤为重要。当我们讨论无载电压时，我们实际上是在谈论在理想条件下，无电流流动时，电源能够提供的最大电压。
无载电压的重要性不容小觑。例如，在变压器中，无载电压是指示变压器在不供电的情况下能够提供功率的能力的指标。它作为评估变压器性能和效率的基准。如果无载电压显著高于预期，可能表明潜在问题，如过电压条件或组件故障。
此外，在电源电路中，无载电压有助于确定电路的设计规格。工程师需要确保无载电压不超过所用组件的最大电压额定值，因为这可能导致损坏或故障。理解无载电压也有助于排除电气系统的故障。如果设备无法正常工作，测量无载电压可以提供有关问题出在电源还是负载本身的见解。
另一个需要考虑的方面是无载电压与负载电压之间的关系。当负载连接到电源时，负载端子的电压通常会因电源的内阻而下降。无载电压与负载电压之间的差异可以为工程师提供有关系统效率的有价值信息。系统中的高损耗往往可以追溯到高内阻或接触不良，导致施加负载时电压显著下降。
在实际应用中，测量无载电压相对简单。技术人员使用万用表在确保未连接负载的情况下测量电源或变压器的输出端子上的电压。然后，可以将此测量值与制造商提供的规格进行比较，以评估性能。
总之，无载电压的概念在理解电气设备在理论和实践场景中的功能方面是基础性的。它在电气系统的设计、评估和故障排除中发挥着关键作用。通过掌握无载电压的含义，工程师和技术人员可以增强对电气系统的理解，从而改善设计实践，提高设备的运行效率。随着技术的不断发展，围绕无载电压的原则将继续成为任何参与电气工程领域的人的基本知识。