kilowatt hour

简明释义

千瓦小时

英英释义

A kilowatt hour (kWh) is a unit of energy equivalent to one kilowatt (1 kW) of power used for one hour.

千瓦时(kWh)是一个能量单位,等于一千瓦(1 kW)的功率使用一小时。

例句

1.Our new solar panels generate about 5 kilowatt hours 千瓦时 of energy per day.

我们的新太阳能电池板每天产生大约5 千瓦时 kilowatt hours 的能量。

2.We aim to reduce our energy consumption to under 500 kilowatt hours 千瓦时 per month.

我们的目标是将每月的能源消耗减少到500 千瓦时 kilowatt hours 以下。

3.My refrigerator uses around 150 kilowatt hours 千瓦时 each year.

我的冰箱每年大约使用150 千瓦时 kilowatt hours

4.The electricity bill showed that we consumed 300 kilowatt hours 千瓦时 last month.

电费单显示我们上个月消耗了300 千瓦时 kilowatt hours

5.One kilowatt hour 千瓦时 is the amount of energy used by a 1,000-watt appliance running for one hour.

千瓦时 kilowatt hour 是指一个1000瓦的电器运行一个小时所消耗的能量。

作文

Understanding the concept of energy consumption is crucial in today's world, especially as we strive for sustainability and efficiency. One of the key terms in this discussion is the unit of measure known as kilowatt hour. This term is often abbreviated as kWh and represents the amount of energy consumed over time. To put it simply, a kilowatt hour is the energy equivalent to one kilowatt (1,000 watts) being used for one hour. This measurement allows consumers and businesses alike to gauge their electricity usage and costs effectively.In practical terms, when you use an electrical appliance, its power rating is usually given in watts. For instance, if you have a light bulb that uses 100 watts, and you leave it on for ten hours, you will have consumed one kilowatt hour of energy. This is calculated by multiplying the power (in kilowatts) by the time (in hours). Therefore, 0.1 kW (100 watts) multiplied by 10 hours equals 1 kWh.The significance of the kilowatt hour extends beyond just measuring energy consumption; it plays a vital role in our electricity bills. Utility companies charge customers based on the number of kilowatt hours they use. Understanding how to calculate and monitor your usage can lead to more informed decisions about energy consumption, ultimately resulting in lower bills and a reduced carbon footprint.Moreover, the kilowatt hour is essential in discussions about renewable energy sources. As we transition to greener energy solutions, the importance of understanding how much energy we are generating and using becomes even more critical. For example, solar panels are often rated by how many kilowatt hours they can produce in a day under optimal conditions. Knowing how to interpret these figures can help homeowners and businesses assess the viability of solar energy for their needs.In addition to personal and business energy management, the kilowatt hour also plays a significant role in environmental policy and energy regulation. Governments often set targets for energy efficiency and emissions reductions, which are often measured in terms of kilowatt hours. By tracking energy consumption at a larger scale, policymakers can better understand trends and make informed decisions about energy production and conservation strategies.In conclusion, the kilowatt hour is more than just a unit of measurement; it is a critical component of our daily lives and the global conversation about energy use and sustainability. By understanding what a kilowatt hour is and how it affects both our individual lives and the broader environment, we can make smarter choices about our energy consumption. Whether through simple changes at home or supporting larger initiatives for renewable energy, every effort counts toward a more sustainable future. Thus, embracing the concept of the kilowatt hour is essential for anyone looking to contribute positively to the planet's well-being.

理解能源消耗的概念在当今世界至关重要,尤其是在我们努力实现可持续性和效率时。这个讨论中的一个关键术语是被称为千瓦时的测量单位。这个术语通常缩写为kWh,代表在一段时间内消耗的能量量。简单来说,千瓦时是指一千瓦(1,000瓦)在一个小时内使用的能量。这一测量使消费者和企业能够有效地评估他们的电力使用和成本。在实际应用中,当你使用电器时,其功率通常以瓦特为单位给出。例如,如果你有一个使用100瓦的灯泡,并且你让它亮十个小时,你将消耗一个千瓦时的能量。这是通过将功率(以千瓦为单位)乘以时间(以小时为单位)来计算的。因此,0.1 kW(100瓦)乘以10小时等于1 kWh。千瓦时的重要性超越了仅仅测量能量消耗的层面;它在我们的电费账单中也起着重要作用。公用事业公司根据客户使用的千瓦时数量向其收费。了解如何计算和监控你的使用情况,可以帮助做出更明智的能源消费决策,从而最终降低账单和减少碳足迹。此外,千瓦时在可再生能源来源的讨论中也至关重要。随着我们向更绿色的能源解决方案过渡,了解我们产生和使用多少能量的重要性变得更加突出。例如,太阳能电池板通常按在最佳条件下每天可以产生多少千瓦时的能量进行评级。了解如何解读这些数据可以帮助家庭和企业评估太阳能对其需求的可行性。除了个人和商业能源管理外,千瓦时在环境政策和能源监管中也扮演着重要角色。政府通常设定能源效率和减排的目标,这些目标通常以千瓦时为单位进行衡量。通过跟踪大规模的能源消耗,政策制定者可以更好地理解趋势并就能源生产和节约策略做出明智的决策。总之,千瓦时不仅仅是一个测量单位;它是我们日常生活和全球关于能源使用与可持续性的对话中的关键组成部分。通过理解千瓦时是什么,以及它如何影响我们个人生活和更广泛的环境,我们可以做出更聪明的能源消费选择。无论是通过家庭的小变化,还是支持更大规模的可再生能源倡议,每一份努力都对实现更可持续的未来至关重要。因此,拥抱千瓦时的概念对于任何希望积极贡献于地球福祉的人来说都是必不可少的。

相关单词

kilowatt

kilowatt详解:怎么读、什么意思、用法

hour

hour详解:怎么读、什么意思、用法