kilovolt ampere=kilovoltampere

简明释义

千伏安

英英释义

例句

1.When designing the electrical system, we need to consider the total kilovolt ampere (千伏安) required by all equipment.

在设计电气系统时，我们需要考虑所有设备所需的总 千伏安 (kilovolt ampere)。

2.To ensure safety, the circuit should not exceed its kilovolt ampere (千伏安) rating.

为了确保安全，电路不应超过其 千伏安 (kilovolt ampere) 额定值。

3.The transformer is rated at 500 kilovolt ampere (千伏安), making it suitable for large industrial applications.

该变压器的额定值为500 千伏安 (kilovolt ampere)，使其适合大型工业应用。

4.The generator can produce up to 1000 kilovolt ampere (千伏安) of power.

这个发电机可以产生高达1000 千伏安 (kilovolt ampere) 的电力。

5.The power supply unit has a capacity of 200 kilovolt ampere (千伏安).

该电源单元的容量为200 千伏安 (kilovolt ampere)。

作文

In the field of electrical engineering, understanding the various units of measurement is crucial for both professionals and students alike. One such important term is kilovolt ampere=kilovoltampere, which refers to a unit of apparent power in an electrical system. Apparent power is a combination of both real power and reactive power, and it is essential for the proper functioning of electrical equipment. The term 'kilovolt ampere' is often abbreviated as kVA, where 'kilo' denotes a factor of one thousand. Therefore, one kilovolt ampere equals one thousand volt-amperes.The significance of kilovolt ampere=kilovoltampere cannot be overstated. It is used to describe the capacity of transformers and generators, allowing engineers to determine how much power can be safely handled by these devices. When designing electrical systems, it is vital to select equipment that can accommodate the required kVA rating to ensure efficiency and safety. For example, if a factory requires a certain amount of power to operate its machinery, the electrical engineer must calculate the total load in kVA to choose the appropriate transformer.Moreover, the relationship between kilovolt amperes and other units of power is also important. Real power is measured in kilowatts (kW), while reactive power is measured in kilovars (kVAR). The three measurements are interrelated and are represented in the power triangle, which helps engineers visualize the relationship between these different types of power. Understanding how to convert between these units is essential for accurate calculations and effective communication among electrical professionals.In practical applications, knowing the kVA rating of electrical devices can help prevent overload situations. For instance, if a generator is rated at 100 kVA, it means that it can supply a maximum of 1000 volt-amperes without exceeding its capacity. If the load connected to the generator exceeds this rating, it may lead to overheating or failure of the generator. Therefore, it is crucial to monitor the load and ensure that it remains within the safe limits defined by the kilovolt ampere=kilovoltampere rating.Furthermore, the concept of power factor plays a significant role in understanding kilovolt ampere=kilovoltampere. Power factor is the ratio of real power to apparent power and is a measure of how effectively electrical power is being converted into useful work output. A power factor of 1 indicates that all the power supplied is being used effectively, whereas lower power factors suggest inefficiencies. Engineers often strive to improve the power factor of electrical systems to reduce energy costs and enhance performance.In conclusion, the term kilovolt ampere=kilovoltampere is a fundamental concept in electrical engineering that represents a unit of apparent power. Its importance spans various applications, from selecting the right equipment to ensuring the efficient operation of electrical systems. By grasping the significance of kVA and its relationship with other power measurements, individuals working in the electrical field can make informed decisions that promote safety and efficiency. As technology continues to evolve, the relevance of understanding units such as kilovolt ampere=kilovoltampere will remain paramount in the quest for sustainable and reliable electrical solutions.

在电气工程领域，理解各种测量单位对专业人士和学生来说至关重要。其中一个重要术语是千伏安=千伏安，指的是电力系统中视在功率的单位。视在功率是实际功率和无功功率的组合，对于电气设备的正常运行至关重要。“千伏安”通常缩写为kVA，其中“千”表示一千的因子。因此，一千伏安等于一千伏安培。千伏安=千伏安的重要性不容小觑。它用于描述变压器和发电机的容量，使工程师能够确定这些设备可以安全处理多少功率。在设计电气系统时，选择能够满足所需kVA额定值的设备至关重要，以确保效率和安全性。例如，如果一家工厂需要一定量的电力来操作其机械，电气工程师必须计算总负载的kVA，以选择合适的变压器。此外，千伏安与其他功率单位之间的关系也很重要。实际功率以千瓦（kW）为单位测量，而无功功率以千乏（kVAR）为单位测量。这三种测量值是相互关联的，并在功率三角形中表示，这有助于工程师可视化这些不同类型的功率之间的关系。了解如何在这些单位之间转换对于准确计算和有效沟通电气专业人员至关重要。在实际应用中，了解电气设备的kVA额定值可以帮助防止过载情况。例如，如果发电机的额定值为100 kVA，这意味着它可以在不超过其容量的情况下提供最大1000伏安。如果连接到发电机的负载超过此额定值，可能会导致发电机过热或故障。因此，监控负载并确保其保持在千伏安=千伏安额定值定义的安全范围内至关重要。此外，功率因数的概念在理解千伏安=千伏安方面也发挥了重要作用。功率因数是实际功率与视在功率的比率，是电力被有效转化为有用工作输出的度量。功率因数为1表示所有供给的电力都被有效利用，而较低的功率因数则表明效率低下。工程师通常努力改善电气系统的功率因数，以降低能源成本并提高性能。总之，术语千伏安=千伏安是电气工程中的基本概念，代表视在功率的单位。它的重要性涵盖了从选择正确设备到确保电气系统高效运行的各种应用。通过掌握kVA及其与其他功率测量之间的关系，从事电气领域的人士可以做出明智的决策，促进安全和效率。随着技术的不断发展，理解诸如千伏安=千伏安等单位的相关性将在追求可持续和可靠的电气解决方案中始终占据重要地位。