power loss

简明释义

动力损失

英英释义

例句

1.The sudden blackout caused a significant power loss.

突然的停电导致了严重的电力损失。

2.The new design aims to reduce power loss by improving efficiency.

新设计旨在通过提高效率来减少电力损失。

3.We need to minimize power loss in our electrical systems.

我们需要尽量减少我们电气系统中的电力损失。

4.During the storm, many homes experienced power loss due to downed lines.

在暴风雨期间，许多家庭因电缆倒下而经历了电力损失。

5.Engineers are investigating the power loss in the transmission lines.

工程师们正在调查输电线路中的电力损失。

作文

In today's world, where technology plays a pivotal role in our daily lives, the term power loss refers to the reduction in electrical energy as it travels through transmission lines and electrical components. This phenomenon is not only an engineering challenge but also a significant concern for both consumers and utility providers. Understanding power loss is essential for improving efficiency and ensuring a reliable energy supply.Firstly, it is important to recognize the causes of power loss. One of the primary contributors is resistance in electrical conductors. When electricity flows through a wire, some energy is dissipated as heat due to the resistance of the material. This is described by Joule's law, which states that the power loss (in watts) is equal to the square of the current (in amperes) multiplied by the resistance (in ohms). As a result, higher currents lead to greater power loss, making it crucial for engineers to design systems that minimize these losses.Another factor contributing to power loss is the distance electricity must travel. The longer the distance, the more energy is lost along the way. This is particularly evident in high-voltage transmission lines, where energy can be lost over vast distances. To combat this issue, utilities often employ transformers to step up voltage for long-distance transmission and then step it down for local distribution. While this method helps reduce power loss, it does not eliminate it entirely.Moreover, power loss can also occur due to reactive power in AC systems. Reactive power is the energy that oscillates between the source and the load, which does not perform any useful work. Instead, it contributes to the overall current flow, leading to additional power loss in the system. Power factor correction devices, such as capacitors, can help mitigate this issue by improving the efficiency of the electrical system.The implications of power loss are significant. For consumers, it translates into higher electricity bills as utilities pass on the costs associated with inefficiencies. For utility providers, excessive power loss can strain resources and lead to increased operational costs. Consequently, addressing power loss is critical for both economic and environmental reasons.To address these challenges, various strategies can be implemented. For instance, upgrading infrastructure to use better materials with lower resistance can significantly reduce power loss. Additionally, incorporating renewable energy sources such as solar and wind can help diversify the energy mix and reduce reliance on traditional fossil fuels, which often suffer from high power loss during transmission.In conclusion, understanding power loss is vital for optimizing energy systems and ensuring sustainable energy consumption. By recognizing its causes and effects, we can implement effective solutions to minimize power loss and create a more efficient and reliable energy future. As we continue to innovate and develop new technologies, addressing power loss will remain a key focus in the quest for energy efficiency and sustainability.

在当今这个技术在我们日常生活中扮演关键角色的世界里，术语功率损耗指的是电能在通过输电线和电气元件时的减少。这种现象不仅是一个工程挑战，也是消费者和公用事业提供者的重要关注点。理解功率损耗对于提高效率和确保可靠的能源供应至关重要。首先，重要的是要认识到功率损耗的原因。主要因素之一是电导体中的电阻。当电流流经电线时，由于材料的电阻，一些能量以热量形式散失。这由焦耳定律描述，即功率损耗（以瓦特为单位）等于电流（以安培为单位）的平方乘以电阻（以欧姆为单位）。因此，更高的电流会导致更大的功率损耗，这使得工程师必须设计出能够最小化这些损耗的系统。另一个导致功率损耗的因素是电力必须传输的距离。电力传输的距离越长，沿途损失的能量就越多。这在高压输电线路中特别明显，因为在广阔的距离上可能会损失大量的能量。为了应对这一问题，公用事业公司通常使用变压器将电压提升以进行远距离传输，然后在本地分配时降低电压。虽然这种方法有助于减少功率损耗，但并不能完全消除它。此外，在交流系统中，功率损耗也可能由于无功功率而发生。无功功率是指在源与负载之间来回振荡的能量，这并不执行任何有用的工作。相反，它会增加整体电流流动，从而导致系统中的额外功率损耗。功率因数校正设备，如电容器，可以通过提高电气系统的效率来帮助缓解这一问题。功率损耗的影响是显著的。对于消费者来说，这意味着更高的电费，因为公用事业公司会将与低效相关的成本转嫁给消费者。对于公用事业提供者而言，过度的功率损耗可能会对资源造成压力并导致运营成本增加。因此，解决功率损耗问题对于经济和环境原因都是至关重要的。为了解决这些挑战，可以实施各种策略。例如，升级基础设施以使用电阻更低的更好材料可以显著减少功率损耗。此外，结合太阳能和风能等可再生能源可以帮助多样化能源组合，并减少对传统化石燃料的依赖，而后者在传输过程中往往会遭遇高功率损耗。总之，理解功率损耗对于优化能源系统和确保可持续能源消费至关重要。通过认识其原因和影响，我们可以实施有效的解决方案，以最小化功率损耗并创造一个更高效、更可靠的能源未来。随着我们不断创新和开发新技术，解决功率损耗的问题将始终是追求能源效率和可持续性的关键焦点。