nominal current

简明释义

标称电流

英英释义

例句

1.The power supply can deliver a nominal current of 5 amps without overheating.

该电源可以在不发热的情况下提供额定电流为5安培的电流。

2.To prevent damage, always operate the device within its nominal current rating.

为了防止损坏，请始终在设备的额定电流范围内操作。

3.The motor operates at a nominal current of 10 amps, which is considered safe for continuous use.

该电机的额定电流为10安培，认为在连续使用时是安全的。

4.When testing the circuit, ensure that the nominal current does not exceed the specified limits.

在测试电路时，确保额定电流不超过规定的限制。

5.The specifications indicate that the nominal current for this transformer is 15 amps.

规格表明该变压器的额定电流为15安培。

作文

In the world of electrical engineering, understanding various terms is crucial for both professionals and students. One such term that often arises in discussions about electrical systems is nominal current. The nominal current refers to the standard or expected current that a device or circuit is designed to carry under normal operating conditions. It is an important specification as it helps in determining the appropriate components needed for a circuit, ensuring safety and efficiency. For instance, consider a simple household appliance like a toaster. The manufacturer will specify a nominal current rating for the toaster, which indicates the amount of current it typically draws while functioning. This rating is essential for consumers, as it informs them about the power requirements of the appliance and helps in selecting the right outlet or circuit to avoid overloading. Moreover, the concept of nominal current is not only limited to household appliances but extends to industrial equipment as well. In factories, machines have specific nominal current ratings that must be adhered to in order to maintain operational efficiency and prevent equipment failure. If a machine operates beyond its nominal current, it may lead to overheating, which can cause significant damage and pose safety risks. Therefore, engineers must carefully calculate the nominal current required for each piece of equipment when designing electrical systems in industrial settings.Additionally, the nominal current plays a vital role in the design of electrical circuits. When engineers design a circuit, they must consider the nominal current to select appropriate wires, fuses, and circuit breakers. Using components that can handle the nominal current ensures that the circuit operates safely and effectively. For example, if a circuit is designed with wires that cannot handle the nominal current, there is a risk of wire melting or even causing a fire. Thus, understanding and applying the correct nominal current is fundamental in electrical design.Furthermore, the nominal current can also help in troubleshooting electrical issues. When a device is not functioning correctly, technicians often measure the current flowing through the device and compare it to the specified nominal current. If the measured current deviates significantly from the nominal value, it can indicate a problem such as a short circuit or a malfunctioning component. This comparison allows for efficient diagnostics and repairs, ultimately saving time and resources.In conclusion, the term nominal current is a critical concept in electrical engineering that encompasses various aspects of electrical design, safety, and troubleshooting. Understanding the nominal current of devices and circuits is essential for anyone involved in the field of electronics, whether they are designing new systems or maintaining existing ones. By adhering to the nominal current specifications, engineers and technicians can ensure safe, reliable, and efficient operation of electrical systems across various applications.

在电气工程的世界中，理解各种术语对专业人士和学生来说至关重要。其中一个经常出现在电气系统讨论中的术语是名义电流。名义电流指的是设备或电路在正常工作条件下设计的标准或预期电流。这是一个重要的规格，因为它有助于确定电路所需的适当组件，从而确保安全和效率。例如，考虑一个简单的家用电器，如烤面包机。制造商将为烤面包机指定一个名义电流额定值，这表示它在工作时通常消耗的电流。这一额定值对消费者至关重要，因为它告知他们该电器的功率要求，并帮助选择合适的插座或电路，以避免过载。此外，名义电流的概念不仅限于家用电器，还扩展到工业设备。在工厂中，机器有特定的名义电流额定值，必须遵守以保持操作效率并防止设备故障。如果一台机器的工作电流超过其名义电流，可能会导致过热，从而造成重大损坏并带来安全风险。因此，工程师在设计工业电气系统时，必须仔细计算每台设备所需的名义电流。此外，名义电流在电路设计中也发挥着至关重要的作用。当工程师设计电路时，必须考虑名义电流以选择适当的电缆、保险丝和断路器。使用能够承受名义电流的组件可以确保电路安全有效地运行。例如，如果电路设计的电缆无法承受名义电流，就有可能导致电缆熔化甚至引发火灾。因此，理解和应用正确的名义电流在电气设计中是基础。此外，名义电流还可以帮助排除电气故障。当设备无法正常工作时，技术人员通常会测量设备中的电流，并将其与指定的名义电流进行比较。如果测得的电流与名义值有显著偏差，可能表明存在问题，例如短路或故障组件。这种比较使得高效的诊断和维修成为可能，从而节省时间和资源。总之，术语名义电流是在电气工程中一个关键概念，涵盖了电气设计、安全和故障排除的各个方面。理解设备和电路的名义电流对于任何参与电子领域的人来说都是必不可少的，无论他们是在设计新系统还是维护现有系统。通过遵循名义电流规格，工程师和技术人员可以确保在各种应用中电气系统的安全、可靠和高效运行。