kilowatt
简明释义
n. [电] 千瓦(功率单位)
复 数 k i l o w a t t s
英英释义
A kilowatt is a unit of power equal to one thousand watts, commonly used to measure electrical power. | 千瓦是一个功率单位,等于一千瓦特,通常用于测量电力。 |
单词用法
度;千瓦(特)小时 |
同义词
千瓦 | 该发电机的功率输出额定为100千瓦。 | ||
千瓦时 | This appliance consumes 2 kilowatt-hours of electricity per day. | 该电器每天消耗2千瓦时的电力。 |
反义词
千瓦时 | 能量消耗以千瓦时为单位进行测量。 | ||
兆瓦 | A power plant can generate several megawatts of electricity. | 发电厂可以产生数兆瓦的电力。 |
例句
1.In a year, the average home USES about 20, 000 units (kilowatt hours) of energy via gas use.
在一年中,平均每个家庭耗费的燃气大约为2万个字(千瓦小时)。
2.For one kilowatt-hour of electricity, which is four million joules, I pay only a lousy ten cents.
为一千瓦时电,就是四百万焦耳,我只花区区10美分。
3.While they remain highly uncompetitive to fossil fuels, they have overtaken nuclear on a cost per kilowatt basis.
尽管和化石燃料相比它们还很不具备竞争优势,但基于每千瓦的成本计算,它们已比核能更占上风。
4.The firm has produced some 100-kilowatt units for corporate customers, costing $700,000-800,000.
公司已为公司客户制造了一些100千瓦的产品,造价为70-80万美元。
5.The amount per kilowatt varies by state, so be sure to talk to your local utility about the details.
每一千瓦的电在不同地区的数目是不一样的,所以,必须保证事先和你当地的部门谈好具体细节。
6.That works out to about 3.2 cents’ worth of “nonclimate” damages for every kilowatt-hour (kWh) generated.
以此推算出,每发出千瓦小时(kWh )的电产生约3.2美分的“非气候”损害。
7.It's not as simple as using less salt or sugar as though you were cutting down on your kilowatt hours.
但是健康饮食和电费单不同,这不仅仅是像减少千瓦时用电一样食用更少的盐或糖那么简单。
8.One kilowatt, two, then three.
一千瓦,两千瓦,然后是三千瓦。
9.A typical household might use around 30 kilowatt 千瓦 hours of energy each day.
一个普通家庭每天可能使用大约30千瓦 千瓦小时的能量。
10.Our new air conditioner uses only 2 kilowatt 千瓦 per hour.
我们新的空调每小时只使用2千瓦 千瓦。
11.The electric vehicle charger operates at a rate of 7 kilowatt 千瓦.
电动汽车充电器的工作功率为7千瓦 千瓦。
12.This generator provides a maximum output of 5 kilowatt 千瓦.
这个发电机的最大输出为5千瓦 千瓦。
13.The solar panels on my roof can generate up to kilowatt 千瓦 of electricity.
我屋顶上的太阳能电池板可以产生高达千瓦 千瓦的电力。
作文
The term kilowatt refers to a unit of power equal to one thousand watts. It is commonly used to measure the power output of engines and the power consumption of electrical devices. Understanding the concept of kilowatt is vital, especially in today's world where energy efficiency and sustainability are becoming increasingly important. In this essay, I will explore the significance of kilowatt in our daily lives, its applications, and how it impacts our environment.To begin with, the kilowatt is a standard measurement used in various fields, including engineering, electricity generation, and household energy consumption. For instance, when we look at our electricity bills, we often see the amount of energy consumed measured in kilowatts per hour (kWh). This measurement helps consumers understand their energy usage and manage their electricity costs effectively. By being aware of how many kilowatts their appliances consume, individuals can make informed decisions about their energy consumption, which can lead to significant savings.Moreover, the kilowatt plays a crucial role in renewable energy sources. For example, solar panels are often rated by their power output in kilowatts. A typical residential solar panel system might have an output of around 5 to 10 kilowatts, depending on the size and efficiency of the panels. This rating allows homeowners to estimate how much energy they can generate and use, thus reducing their reliance on fossil fuels and contributing to a cleaner environment.In addition to its importance in individual households, the kilowatt is also significant in large-scale energy production. Power plants, whether they are powered by coal, natural gas, or renewables like wind and solar, produce energy measured in kilowatts. For instance, a typical wind turbine can generate between 1.5 to 3 kilowatts of power, while larger turbines can produce even more. This information is essential for energy planners and policymakers as they work to meet the energy demands of growing populations while minimizing environmental impact.Furthermore, the transition to electric vehicles (EVs) has brought the concept of kilowatt into the spotlight once again. Electric vehicles require charging stations that provide power measured in kilowatts. Fast chargers can deliver power at rates of 50 kilowatts or more, allowing EVs to charge quickly and efficiently. Understanding kilowatt ratings helps consumers choose the right charging options for their vehicles, promoting the adoption of cleaner transportation solutions.Lastly, it is essential to recognize the environmental implications of kilowatt consumption. As we become more aware of climate change and the need for sustainable practices, understanding how our energy choices impact the planet is crucial. By reducing our kilowatt consumption through energy-efficient appliances and practices, we can lower our carbon footprint and contribute to a healthier environment.In conclusion, the concept of kilowatt is integral to understanding energy consumption and production in our modern world. From household appliances to renewable energy systems and electric vehicles, kilowatt serves as a common language that helps us navigate our energy needs. By being aware of our kilowatt usage, we can make better choices that benefit not only our wallets but also our planet. As we move toward a more sustainable future, the knowledge and application of kilowatt will be crucial in shaping our energy landscape.
“千瓦”这个词指的是等于一千瓦特的功率单位。它通常用于测量发动机的功率输出和电气设备的功率消耗。理解“千瓦”的概念至关重要,尤其是在当今这个能源效率和可持续性日益重要的世界中。在这篇文章中,我将探讨“千瓦”在我们日常生活中的重要性、应用以及它对环境的影响。首先,“千瓦”是一个在工程、电力生产和家庭能源消耗等多个领域使用的标准测量单位。例如,当我们查看电费账单时,通常会看到以“千瓦时”(kWh)为单位的能耗。这种测量帮助消费者理解其能源使用情况,并有效管理电费。通过了解家用电器消耗的“千瓦”数量,个人可以做出明智的能源消费决策,从而节省大量费用。此外,“千瓦”在可再生能源中也起着至关重要的作用。例如,太阳能电池板的功率输出通常以“千瓦”来标定。一个典型的住宅太阳能电池板系统的输出可能在5到10“千瓦”之间,具体取决于面板的大小和效率。这个评级使得房主能够估算他们可以产生和使用多少能量,从而减少对化石燃料的依赖,为保护环境作出贡献。除了在家庭中的重要性之外,“千瓦”在大规模能源生产中也同样重要。发电厂,无论是由煤、天然气还是风能和太阳能等可再生能源驱动,生产的能量都以“千瓦”为单位进行测量。例如,一个典型的风力涡轮机可以生成1.5到3“千瓦”的电力,而更大的涡轮机则可以产生更多。这些信息对于能源规划者和政策制定者至关重要,因为他们需要满足不断增长的人口的能源需求,同时最小化对环境的影响。此外,向电动车(EV)的过渡再次将“千瓦”的概念推到了聚光灯下。电动车需要提供以“千瓦”为单位测量的充电站。快速充电器可以以50“千瓦”或更高的速率提供电力,使电动车能够快速高效地充电。理解“千瓦”评级帮助消费者选择适合自己车辆的充电选项,促进清洁交通解决方案的采用。最后,认识到“千瓦”消耗的环境影响至关重要。随着我们越来越意识到气候变化和可持续实践的必要性,理解我们的能源选择对地球的影响是关键。通过使用节能电器和实践减少“千瓦”消耗,我们可以降低碳足迹,为创造一个更健康的环境作出贡献。总之,“千瓦”的概念对于理解我们现代世界中的能源消耗和生产至关重要。从家用电器到可再生能源系统和电动车,“千瓦”作为一种共同语言,帮助我们导航我们的能源需求。通过关注我们的“千瓦”使用情况,我们可以做出更好的选择,这不仅有利于我们的钱包,也有利于我们的星球。随着我们朝着更可持续的未来迈进,了解和应用“千瓦”将对塑造我们的能源格局至关重要。