nominal current

简明释义

标称电流

英英释义

Nominal current refers to the specified or rated current value of an electrical device, which is used for its design and operational purposes under standard conditions.

名义电流是指电气设备的规定或额定电流值,用于其设计和在标准条件下的操作目的。

例句

1.When selecting a transformer, ensure that the nominal current 额定电流 matches the load requirements.

在选择变压器时,确保其nominal current 额定电流 与负载要求相匹配。

2.The motor operates at a maximum power rating of 5 kW with a nominal current 额定电流 of 10 A.

该电动机的最大功率为5千瓦,nominal current 额定电流 为10安培。

3.The specification sheet lists the nominal current 额定电流 as 20 A for the device.

规格表中将该设备的nominal current 额定电流 列为20安培。

4.In this application, the nominal current 额定电流 is critical for ensuring safety and efficiency.

在此应用中,nominal current 额定电流 对于确保安全和效率至关重要。

5.The circuit breaker is rated for a nominal current 额定电流 of 15 A to protect the wiring.

该断路器的nominal current 额定电流 为15安培,以保护电线。

作文

In the field of electrical engineering, understanding various terms is crucial for both professionals and students alike. One such term that often comes up in discussions about electrical systems is nominal current. The nominal current refers to the expected or rated current that a device or system is designed to handle under normal operating conditions. This concept is essential for ensuring that electrical components function correctly and safely within their specified limits. To illustrate the importance of nominal current, let’s consider a practical example. Imagine an electric motor that is rated for a maximum nominal current of 10 amps. This rating indicates that the motor can operate efficiently and safely at this current level without overheating or sustaining damage. If the current exceeds this nominal current, it could lead to overheating, which may result in the failure of the motor or even pose a fire hazard. Therefore, understanding the nominal current is vital for anyone involved in the design, installation, or maintenance of electrical systems.Moreover, the concept of nominal current is not limited to motors alone; it applies to a wide variety of electrical devices, including transformers, circuit breakers, and power supplies. For instance, a transformer may have a nominal current rating that determines how much load it can handle without experiencing excessive heat or voltage drops. By adhering to these ratings, engineers can ensure the longevity and reliability of electrical systems.In addition to safety concerns, the nominal current also plays a significant role in efficiency. Electrical systems are designed to operate optimally at their nominal current. Operating below this level can lead to inefficiencies, while exceeding it can cause failures. Therefore, understanding how to measure and maintain the nominal current is critical for achieving the best performance from electrical equipment.Furthermore, the nominal current is used in calculations for sizing conductors and circuit protection devices. For example, when selecting wires for a particular installation, engineers must consider the nominal current to ensure that the wire gauge is appropriate for the amount of current that will flow through it. If the wire is too small for the nominal current, it could overheat, leading to potential hazards. Similarly, circuit breakers must be rated appropriately to protect against overloads based on the nominal current of the connected devices.In conclusion, the term nominal current encompasses a fundamental aspect of electrical engineering that impacts the safety, efficiency, and reliability of electrical systems. Understanding this term helps in the proper design and implementation of electrical devices and systems. As technology continues to evolve, the importance of adhering to nominal current ratings will remain a critical consideration for engineers and technicians in the electrical field. By maintaining awareness of the nominal current, professionals can ensure that their systems operate safely and effectively, ultimately contributing to the advancement of electrical engineering as a whole.

在电气工程领域,理解各种术语对专业人士和学生来说都是至关重要的。其中一个在讨论电气系统时经常出现的术语是额定电流额定电流是指设备或系统在正常操作条件下设计能够处理的预期或额定电流。这个概念对于确保电气组件在其规定的限制内正确、安全地运行至关重要。为了说明额定电流的重要性,让我们考虑一个实际例子。想象一下,一个额定最大额定电流为10安培的电动机。这个额定值表明,该电动机可以在这个电流水平下高效、安全地运行,而不会过热或受到损坏。如果电流超过这个额定电流,可能会导致过热,从而导致电动机故障,甚至可能引发火灾。因此,理解额定电流对任何参与电气系统设计、安装或维护的人来说都是至关重要的。此外,额定电流的概念并不限于电动机;它适用于各种电气设备,包括变压器、断路器和电源。例如,变压器可能具有一个额定电流评级,决定它能够处理多少负载而不会经历过多的热量或电压下降。通过遵循这些评级,工程师可以确保电气系统的耐用性和可靠性。除了安全问题,额定电流在效率方面也起着重要作用。电气系统被设计为在其额定电流下最佳运行。低于此水平的运行可能导致效率降低,而超过此水平则可能导致故障。因此,理解如何测量和维持额定电流对于实现电气设备的最佳性能至关重要。此外,额定电流还用于导体和电路保护设备的尺寸计算。例如,在选择某个安装的电线时,工程师必须考虑额定电流,以确保电缆规格适合将要流经的电流量。如果电线对于额定电流来说太小,就可能过热,从而导致潜在的危险。同样,断路器也必须根据连接设备的额定电流进行适当评级,以防止过载。总之,术语额定电流涵盖了电气工程的一个基本方面,影响电气系统的安全性、效率和可靠性。理解这个术语有助于电气设备和系统的正确定义和实施。随着技术的不断发展,遵循额定电流评级的重要性将始终是电气领域工程师和技术人员的重要考虑因素。通过保持对额定电流的关注,专业人员可以确保他们的系统安全有效地运行,最终推动电气工程的整体进步。

相关单词

nominal

nominal详解:怎么读、什么意思、用法