watt hour

简明释义

瓦时

英英释义

例句

1.If you run a heater that uses 1500 watts for 2 hours, it will consume 3000 watt hour (瓦特小时) of energy.

如果你使用一个功率为1500瓦的加热器运行2小时，它将消耗3000 watt hour (瓦特小时)的能量。

2.A typical laptop consumes about 50 watt hour (瓦特小时) of energy when in use.

一台典型的笔记本电脑在使用时大约消耗50 watt hour (瓦特小时)的能量。

3.The battery has a capacity of 500 watt hour (瓦特小时), which means it can power a device using 500 watts for one hour.

这个电池的容量为500 watt hour (瓦特小时)，这意味着它可以为一个功率为500瓦的设备提供一个小时的电力。

4.Solar panels are rated based on how many watt hour (瓦特小时) they can produce in a day.

太阳能电池板的额定功率是基于它们一天能产生多少 watt hour (瓦特小时)。

5.To calculate the energy consumption, multiply the power rating in watts by the time in hours to get watt hour (瓦特小时).

要计算能量消耗，将功率（以瓦特为单位）乘以时间（以小时为单位），得到 watt hour (瓦特小时)。

作文

Understanding the concept of energy consumption is crucial in today’s world, especially as we strive to become more energy-efficient and environmentally conscious. One important unit of measurement in this context is the watt hour, which is often abbreviated as Wh. The watt hour is a unit that measures electrical energy equivalent to one watt of power used for one hour. This simple definition, however, opens up a broader discussion about energy usage, its implications, and how it affects our daily lives.To put it into perspective, let’s consider a common household appliance: the light bulb. If you have a 60-watt light bulb and you leave it on for one hour, it consumes 60 watt hours of energy. If you were to leave it on for 10 hours, it would consume 600 watt hours. This straightforward calculation helps us understand how energy consumption accumulates over time. It also highlights the importance of being mindful of our energy use, especially in an age where electricity costs can add up quickly.Moreover, the watt hour is not just a number; it represents a significant part of our energy bills. Knowing how to calculate the watt hours consumed by different appliances can help households manage their energy costs more effectively. For instance, if you want to reduce your electricity bill, you might consider replacing traditional incandescent bulbs with energy-efficient LED bulbs, which consume significantly fewer watt hours for the same amount of light output.In addition to household applications, the watt hour is also crucial in the context of renewable energy sources. For example, solar panels are rated based on how many watt hours they can produce under ideal conditions. Homeowners with solar panel systems often track their energy production in watt hours to ensure they are generating enough electricity to meet their needs. This tracking is essential for determining the efficiency of the solar system and its return on investment.Furthermore, understanding watt hours is vital when considering electric vehicles (EVs). EVs are often marketed with their battery capacity measured in kilowatt-hours (kWh), which is simply 1,000 watt hours. Knowing the range of an EV in terms of watt hours can help consumers make informed decisions about their vehicle choices and charging habits. For instance, if an EV has a 60 kWh battery, it can theoretically provide 60,000 watt hours of energy, translating to a specific driving range depending on the vehicle’s efficiency.In conclusion, the watt hour is a fundamental unit of energy measurement that plays a vital role in our understanding of energy consumption, cost management, and the transition to sustainable energy solutions. By grasping the significance of watt hours, individuals can make informed choices about their energy use, from selecting appliances to investing in renewable energy technologies. As we move towards a more energy-conscious society, the watt hour will undoubtedly remain a key player in our discussions about energy efficiency and sustainability.

理解能源消耗的概念在当今世界至关重要，尤其是当我们努力变得更加节能和环保时。在这个背景下，一个重要的测量单位是watt hour，通常缩写为Wh。watt hour是一个测量电能的单位，相当于一个瓦特的功率使用一小时。这一定义虽然简单，但却引出了关于能源使用、其影响以及如何影响我们日常生活的更广泛讨论。为了更好地理解这一点，让我们考虑一个常见的家用电器：灯泡。如果你有一个60瓦的灯泡，并且让它亮着一个小时，它就会消耗60 watt hours的能量。如果你让它亮着10个小时，它将消耗600 watt hours。这个简单的计算帮助我们理解能源消耗是如何随时间累积的。它也强调了在电费迅速增加的时代，注意我们的能源使用的重要性。此外，watt hour不仅仅是一个数字；它代表了我们电费账单的重要部分。知道如何计算不同电器消耗的watt hours可以帮助家庭更有效地管理他们的能源成本。例如，如果你想降低电费，你可能会考虑用节能LED灯泡替换传统的白炽灯泡，因为后者在相同的光输出下消耗的watt hours要少得多。除了家庭应用，watt hour在可再生能源来源的背景下也至关重要。例如，太阳能电池板的额定功率基于它们在理想条件下能够产生多少watt hours。拥有太阳能电池板系统的房主通常会跟踪他们的能源生产，以确保他们产生足够的电力来满足他们的需求。这种跟踪对于确定太阳能系统的效率及其投资回报率至关重要。此外，理解watt hours在考虑电动汽车（EV）时也很重要。电动汽车通常以千瓦时（kWh）来标示其电池容量，这实际上就是1,000watt hours。了解电动汽车的续航能力以watt hours为单位，可以帮助消费者做出明智的车辆选择和充电习惯。例如，如果一辆电动汽车的电池容量为60 kWh，它理论上可以提供60,000watt hours的能量，具体的行驶范围取决于车辆的效率。总之，watt hour是一个基础的能源测量单位，在我们理解能源消耗、成本管理和向可持续能源解决方案转型方面发挥着重要作用。通过掌握watt hours的意义，个人可以在选择电器、投资可再生能源技术等方面做出明智的选择。随着我们朝着更节能的社会迈进，watt hour无疑将在我们关于能源效率和可持续性的讨论中继续扮演关键角色。