electric horse-power

简明释义

电动马力

英英释义

例句

1.The new electric motor has a power rating of 100 electric horse-power, which makes it suitable for heavy machinery.

这款新电动机的功率为100电马力，这使其适合重型机械。

2.The specifications list the engine's output as 200 electric horse-power, which ensures high efficiency.

规格表中列出的发动机输出为200电马力，这确保了高效率。

3.This generator can produce up to 50 electric horse-power, making it ideal for powering small workshops.

该发电机的最大输出可达50电马力，非常适合为小型车间供电。

4.When comparing vehicles, it's important to consider the electric horse-power 电马力 output for performance evaluation.

在比较车辆时，考虑电马力输出对于性能评估非常重要。

5.With 150 electric horse-power, this electric vehicle can accelerate quickly on highways.

这款电动车拥有150电马力，可以在高速公路上快速加速。

作文

In the world of engineering and machinery, understanding power measurements is crucial. One term that often comes up in discussions about electric motors and engines is electric horse-power. This term refers to a unit of measurement for power, specifically in the context of electric motors. To fully grasp what electric horse-power means, we must first understand its origins and how it compares to other units of power.The concept of horse-power was originally developed in the late 18th century by James Watt, who sought to compare the output of steam engines with the work done by draft horses. Watt defined one horse-power as the ability to do 550 foot-pounds of work per second. This definition was later adapted for electric motors, leading to the term electric horse-power, which quantifies the mechanical output of an electric motor.Typically, one electric horse-power is equivalent to approximately 746 watts. This conversion is essential for engineers and technicians when designing systems that require precise power specifications. For instance, if an electric motor is rated at 2 electric horse-power, it can produce around 1492 watts of mechanical power. This allows engineers to select appropriate motors for various applications, ensuring efficiency and reliability.Understanding electric horse-power also plays a significant role in energy consumption and cost analysis. Electric motors are widely used in industrial applications, and knowing their power rating helps businesses calculate operational costs. For example, if a factory operates multiple machines, each rated at 5 electric horse-power, the total power requirement would be 5 x 746 = 3730 watts. By calculating the energy consumption based on this power rating, factories can better manage their electricity bills and optimize their energy usage.Moreover, the efficiency of electric motors can vary significantly depending on their design and application. When discussing electric horse-power, it is important to consider the motor's efficiency rating as well. A highly efficient motor may deliver more output power for the same input energy compared to a less efficient one. Therefore, when selecting motors for specific tasks, engineers must not only look at the electric horse-power but also at the efficiency ratings to ensure they are making the most cost-effective choice.In addition to industrial applications, electric horse-power is also relevant in the automotive industry, especially with the rise of electric vehicles (EVs). The power output of EV motors is often expressed in electric horse-power, allowing consumers to understand the performance capabilities of different models. For instance, a car with a motor rated at 200 electric horse-power can be expected to deliver a certain level of acceleration and speed, similar to how traditional gasoline-powered cars are rated.In conclusion, the term electric horse-power is an essential concept in the fields of engineering and energy management. It provides a standardized way to measure the power output of electric motors, facilitating better design, energy consumption analysis, and consumer understanding. As technology continues to evolve, particularly with the growing prominence of electric vehicles, the relevance of electric horse-power will only increase, making it a critical term for both professionals and enthusiasts alike.

在工程和机械的世界中，理解功率测量至关重要。一个常常在讨论电动机和发动机时出现的术语是电马力。这个术语指的是一种功率测量单位，特别是在电动机的上下文中。要充分理解电马力的含义，我们必须首先了解它的起源以及它与其他功率单位的比较。马力的概念最初是由詹姆斯·瓦特在18世纪末提出的，他希望将蒸汽机的输出与马匹的工作进行比较。瓦特将一个马力定义为每秒能够做550英尺磅的工作。这一定义后来被应用于电动机，形成了电马力一词，用于量化电动机的机械输出。通常，一个电马力大约等于746瓦特。这一换算对于工程师和技术人员在设计需要精确功率规格的系统时至关重要。例如，如果一个电动机的额定功率为2电马力，那么它可以产生大约1492瓦特的机械功率。这使得工程师能够为各种应用选择合适的电动机，从而确保效率和可靠性。理解电马力在能源消耗和成本分析中也发挥着重要作用。电动机广泛用于工业应用，了解其功率评级有助于企业计算运营成本。例如，如果一家工厂运行多台每台额定功率为5电马力的机器，则总功率需求为5 x 746 = 3730瓦特。通过根据这一功率评级计算能耗，工厂可以更好地管理电费并优化能源使用。此外，电动机的效率可能因其设计和应用而异。在讨论电马力时，考虑电动机的效率评级也很重要。一台高效的电动机可能会在相同的输入能量下提供更多的输出功率，而与一台效率较低的电动机相比。因此，在为特定任务选择电动机时，工程师不仅要关注电马力，还要关注效率评级，以确保他们做出最具成本效益的选择。除了工业应用，电马力在汽车行业也相关，尤其是在电动车（EV）日益普及的背景下。电动汽车电动机的功率输出通常用电马力表示，使消费者能够理解不同车型的性能能力。例如，一辆电动机额定功率为200电马力的汽车可以预期在加速和速度方面达到某种水平，这类似于传统燃油车的评估。总之，术语电马力是工程和能源管理领域中的一个重要概念。它提供了一种标准化的方法来测量电动机的功率输出，促进了更好的设计、能耗分析和消费者理解。随着技术的不断发展，尤其是电动车的日益普及，电马力的相关性只会增加，使其成为专业人士和爱好者都必须了解的关键术语。