kilowatt hour

简明释义

千瓦小时

英英释义

例句

1.The average household consumes about 900 kilowatt hours per month.

平均家庭每月消耗约900千瓦时。

2.My electricity bill shows that I used 300 kilowatt hours this month.

我的电费账单显示我这个月使用了300千瓦时。

3.We need to calculate how many kilowatt hours our new appliance will use.

我们需要计算一下我们的新电器将使用多少千瓦时。

4.The electric car charges at a rate of 7 kilowatt hours per hour.

这辆电动车的充电速率为每小时7千瓦时。

5.Solar panels can generate up to 10 kilowatt hours of energy per day.

太阳能电池板每天可以产生多达10千瓦时的能量。

作文

Understanding energy consumption is essential in today's world, especially as we strive to become more energy-efficient and environmentally conscious. One of the key terms associated with electricity usage is the term kilowatt hour. A kilowatt hour is a unit of energy equivalent to one kilowatt of power used for one hour. This measurement is crucial for both consumers and energy providers as it helps quantify electricity usage and costs. To put it simply, when you use a device that consumes one kilowatt of power for one hour, you have used one kilowatt hour of energy. For example, if you run a 1,000-watt heater for one hour, you will have consumed one kilowatt hour of energy. This concept is not just theoretical; it has real-world implications for our electricity bills and our understanding of energy efficiency.In many countries, electricity is billed based on the number of kilowatt hours consumed. Therefore, knowing how to calculate your energy usage can help you manage your expenses better. For instance, if your household uses 800 kilowatt hours in a month, and your energy provider charges $0.12 per kilowatt hour, your total bill would be $96. Understanding this calculation can motivate individuals to reduce their energy consumption by being mindful of how they use their appliances.Moreover, the kilowatt hour plays a significant role in promoting energy conservation. By understanding how much energy various appliances consume, consumers can make informed decisions about which devices to use and when to use them. For instance, many modern appliances come with energy ratings that indicate how much energy they consume. By choosing energy-efficient models, households can significantly reduce their overall kilowatt hour usage, leading to lower bills and a smaller carbon footprint.In addition, the kilowatt hour is also vital in discussions about renewable energy. As more people turn to solar panels and wind turbines to power their homes, understanding how these systems generate electricity in terms of kilowatt hours becomes essential. For instance, a solar panel system might produce an average of 300 kilowatt hours per month. This information helps homeowners evaluate the effectiveness of their renewable energy investments and understand their impact on the environment.Furthermore, governments and organizations often use kilowatt hours to set energy policies and regulations. For example, incentives for using renewable energy sources or penalties for high energy consumption can be based on the amount of kilowatt hours used. This makes it imperative for both individuals and businesses to track their energy usage accurately.In summary, the kilowatt hour is more than just a unit of measurement; it is a vital component of how we understand and manage our energy consumption. By grasping the significance of kilowatt hours, individuals can take proactive steps towards reducing their energy usage, saving money, and contributing to a more sustainable future. As we continue to innovate and find new ways to harness energy, the importance of the kilowatt hour will only grow, underscoring the need for everyone to be energy-conscious in their daily lives.

理解能源消耗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。与电力使用相关的一个关键术语是千瓦时。千瓦时是一个能量单位，相当于一个千瓦的功率使用一小时。这一测量对于消费者和能源供应商都是至关重要的，因为它帮助量化电力使用和成本。简单来说，当你使用一个功率为一千瓦的设备运行一个小时时，你就使用了一个千瓦时的能量。例如，如果你运行一个1000瓦的加热器一个小时，你将消耗一个千瓦时的能量。这个概念不仅仅是理论上的；它对我们的电费账单和对能源效率的理解有着实际的影响。在许多国家，电力是根据消费的千瓦时计费的。因此，了解如何计算你的能源使用可以帮助你更好地管理开支。例如，如果你的家庭在一个月内使用了800千瓦时，而你的能源供应商收取每千瓦时 0.12美元，那么你的总账单将是96美元。理解这个计算可以激励个人通过关注他们使用家电的方式来减少能源消耗。此外，千瓦时在促进节能方面也发挥着重要作用。通过了解各种家电的能量消耗，消费者可以做出明智的决定，选择哪些设备使用以及何时使用它们。例如，许多现代家电都有能效评级，指示它们的能量消耗情况。通过选择节能型型号，家庭可以显著减少他们的总体千瓦时使用，从而降低账单和减少碳足迹。此外，千瓦时在可再生能源的讨论中也至关重要。随着越来越多的人转向太阳能电池板和风力涡轮机为他们的家供电，了解这些系统以千瓦时为单位产生电力变得至关重要。例如，太阳能电池板系统每月可能产生平均300千瓦时。这些信息帮助家庭评估可再生能源投资的有效性，并了解其对环境的影响。此外，政府和组织通常使用千瓦时来制定能源政策和法规。例如，使用可再生能源的激励措施或对高能耗的处罚可以基于所使用的千瓦时数量。这使得个人和企业准确跟踪其能源使用变得至关重要。总之，千瓦时不仅仅是一个测量单位；它是我们理解和管理能源消耗的重要组成部分。通过掌握千瓦时的重要性，个人可以采取积极措施减少能源使用、节省金钱并为更可持续的未来贡献力量。随着我们不断创新并寻找新的能源利用方式，千瓦时的重要性只会增加，这突显了每个人在日常生活中都要关注能源的必要性。