kilovolt ampere-hour

简明释义

千伏安小时

英英释义

例句

1.The power plant's output is measured in kilovolt ampere-hour (千伏安时) to assess its performance.

发电厂的输出以千伏安时(千伏安时)为单位进行测量，以评估其性能。

2.A typical electric vehicle battery has a capacity of around 60 kilovolt ampere-hour (千伏安时).

一辆典型的电动汽车电池的容量约为60千伏安时(千伏安时)。

3.Our solar power installation generates an average of 200 kilovolt ampere-hour (千伏安时) per day.

我们的太阳能发电设施每天平均产生200千伏安时(千伏安时)的电量。

4.To calculate the efficiency of the generator, we need to know the total kilovolt ampere-hour (千伏安时) produced during the test.

为了计算发电机的效率，我们需要知道测试期间产生的总千伏安时(千伏安时)。

5.The battery storage system can hold up to 5000 kilovolt ampere-hour (千伏安时) of energy.

该电池储存系统可以储存高达5000千伏安时(千伏安时)的能量。

作文

The concept of electrical energy is fundamental to understanding how we power our homes, industries, and devices. One important unit of measurement in this field is the kilovolt ampere-hour, which is often abbreviated as kVAh. The kilovolt ampere-hour is a unit that measures the amount of energy consumed over time in an electrical system. To break it down, the term 'kilovolt' refers to a thousand volts, while 'ampere' is a measure of current. When we multiply these two together, we get volt-amperes (VA), which represent the apparent power in an electrical circuit. The 'hour' signifies the duration for which this power is consumed.Understanding kilovolt ampere-hour is crucial for various applications, especially in the fields of electrical engineering and energy management. For instance, when you look at your electricity bill, the energy consumption is often measured in kilowatt-hours (kWh). However, in some contexts, particularly in industrial settings, the kilovolt ampere-hour may be used instead. This is because industrial equipment can have different power factors, and using kVAh can provide a more accurate representation of the energy consumed by the equipment.For example, consider a factory that operates heavy machinery. If the machinery has a power factor of 0.8, it means that only 80% of the apparent power (measured in kVA) is being converted into usable work. In such cases, calculating energy consumption in terms of kilovolt ampere-hour allows engineers to better understand the efficiency of their operations and make necessary adjustments to optimize performance.Moreover, the kilovolt ampere-hour is not only relevant in industrial contexts but also plays a significant role in renewable energy systems, such as solar panels and wind turbines. These systems generate energy that must be accurately measured to ensure proper functioning and integration with the grid. By utilizing kilovolt ampere-hour, technicians can assess the total energy output and determine whether it meets the demands of the connected loads.In addition to its practical applications, understanding kilovolt ampere-hour helps in the broader context of energy conservation and sustainability. As society moves towards greener energy solutions, being able to quantify energy usage accurately becomes even more critical. It allows us to track our consumption patterns, identify areas where we can reduce waste, and ultimately contribute to a more sustainable future.In conclusion, the kilovolt ampere-hour is a vital unit of measurement in the field of electrical energy. Its significance extends beyond mere calculations; it influences how we manage energy consumption in both industrial and residential settings. By grasping the meaning and implications of kilovolt ampere-hour, we empower ourselves to make informed decisions about energy use, paving the way for a more efficient and sustainable world.

电能的概念是理解我们如何为家庭、工业和设备供电的基础。在这个领域，一个重要的测量单位是千伏安时，通常缩写为kVAh。千伏安时是一个测量在电气系统中随时间消耗的能量的单位。为了更好地理解这个术语，“千伏”指的是一千伏特，而“安培”是电流的测量。当我们将这两者相乘时，我们得到伏特安培（VA），它代表了电路中的视在功率。“小时”表示这种功率消耗的持续时间。理解千伏安时对于各种应用至关重要，特别是在电气工程和能源管理领域。例如，当你查看电费账单时，能源消耗通常以千瓦时（kWh）为单位。然而，在某些情况下，特别是在工业环境中，可能会使用千伏安时。这是因为工业设备可能有不同的功率因数，使用kVAh可以更准确地表示设备所消耗的能量。例如，考虑一家运营重型机械的工厂。如果机械的功率因数为0.8，这意味着只有80%的视在功率（以kVA计）被转化为可用的工作。在这种情况下，以千伏安时计算能量消耗可以让工程师更好地理解其操作的效率，并做出必要的调整以优化性能。此外，千伏安时不仅在工业背景下相关，而且在可再生能源系统中，如太阳能电池板和风力涡轮机，也发挥着重要作用。这些系统产生的能量必须准确测量，以确保与电网的正常运行和集成。通过利用千伏安时，技术人员可以评估总能量输出，并确定其是否满足连接负载的需求。除了实际应用外，理解千伏安时还有助于更广泛的能源保护和可持续性背景。随着社会向更绿色的能源解决方案迈进，能够准确量化能量使用变得更加关键。这使我们能够跟踪消费模式，识别可以减少浪费的领域，并最终为更可持续的未来做出贡献。总之，千伏安时是电能领域的重要测量单位。它的意义超越了简单的计算；它影响着我们在工业和住宅环境中如何管理能源消耗。通过掌握千伏安时的含义和影响，我们赋予自己做出明智的能源使用决策的能力，为更高效、更可持续的世界铺平道路。