ohmic losses

简明释义

电阻损失

英英释义

例句

1.The use of thicker wires can significantly reduce ohmic losses 欧姆损耗 in long-distance power lines.

使用更粗的电线可以显著减少长距离电力线路中的ohmic losses 欧姆损耗。

2.High-quality conductors can help lower ohmic losses 欧姆损耗 in electrical systems.

高质量的导体可以帮助降低电气系统中的ohmic losses 欧姆损耗。

3.In electrical circuits, minimizing ohmic losses 欧姆损耗 is crucial for improving efficiency.

在电路中，最小化ohmic losses 欧姆损耗 对于提高效率至关重要。

4.When calculating energy efficiency, engineers must consider ohmic losses 欧姆损耗 as a significant factor.

在计算能源效率时，工程师必须将ohmic losses 欧姆损耗视为一个重要因素。

5.The design of the power supply aims to reduce ohmic losses 欧姆损耗 during transmission.

电源的设计旨在减少传输过程中的ohmic losses 欧姆损耗。

作文

In the realm of electrical engineering, understanding various concepts is crucial for the design and optimization of electrical systems. One such important concept is ohmic losses, which refers to the energy lost as heat due to the resistance in electrical components. This phenomenon occurs when an electric current flows through a conductor, encountering resistance that converts some of the electrical energy into thermal energy. The significance of ohmic losses cannot be overstated, as they impact the efficiency and performance of electrical systems. When we consider how electricity travels through wires, it is essential to recognize that every material has a certain level of resistance. Conductors like copper and aluminum are commonly used in wiring because they have relatively low resistance. However, even these materials are not perfect; they still exhibit some degree of resistance, leading to ohmic losses. These losses can be quantified using the formula P = I²R, where P represents the power loss in watts, I is the current in amperes, and R is the resistance in ohms. This relationship illustrates that as current increases, the losses also increase exponentially. In practical applications, ohmic losses can significantly affect the overall efficiency of power transmission systems. For example, in high-voltage transmission lines, minimizing resistance is critical to ensure that as much power as possible reaches the end user. Engineers often use thicker wires or materials with better conductivity to mitigate these losses. Additionally, the distance over which electricity is transmitted plays a vital role; longer distances result in greater ohmic losses, necessitating careful planning of power distribution networks. Moreover, ohmic losses are not limited to transmission lines alone. They can also occur within electrical devices such as transformers, motors, and resistors. In transformers, for instance, the coils of wire that create magnetic fields experience ohmic losses due to their resistance. This energy loss manifests as heat, which can lead to overheating if not properly managed. Consequently, engineers must design these devices with adequate cooling mechanisms to ensure longevity and reliability. In renewable energy systems, such as solar panels and wind turbines, ohmic losses also play a critical role. As these systems convert natural energy into electrical energy, the efficiency of this conversion can be hindered by resistance in wiring and connections. Therefore, optimizing the layout and materials used in these systems is essential to minimize losses and maximize output. In conclusion, ohmic losses are an inevitable aspect of electrical engineering that affects various systems and devices. Understanding this concept allows engineers to design more efficient systems, ensuring that energy is used effectively and reducing waste. By taking steps to minimize ohmic losses, we can enhance the performance of electrical systems, contributing to a more sustainable and efficient future.

欧姆损耗是电气工程中一个重要的概念，指的是由于电气元件中的电阻而导致的能量以热量的形式损失。这个现象发生在电流通过导体时，遇到电阻，将一部分电能转化为热能。欧姆损耗的重要性不容小觑，因为它们影响着电气系统的效率和性能。当我们考虑电力如何通过电线传输时，必须认识到每种材料都有一定程度的电阻。铜和铝等导体通常用于布线，因为它们的电阻相对较低。然而，即使这些材料也并非完美；它们仍然表现出一定程度的电阻，从而导致欧姆损耗。这些损耗可以使用公式P = I²R来量化，其中P代表功率损失（以瓦特为单位），I是电流（以安培为单位），R是电阻（以欧姆为单位）。这个关系说明了随着电流的增加，损耗也会呈指数级增加。在实际应用中，欧姆损耗会显著影响电力传输系统的整体效率。例如，在高压输电线路中，最小化电阻至关重要，以确保尽可能多的电力到达最终用户。工程师们通常采用更粗的电线或具有更好导电性的材料来减轻这些损耗。此外，电力传输的距离也起着重要作用；较长的距离会导致更大的欧姆损耗，这就需要对电力分配网络进行仔细规划。此外，欧姆损耗不仅限于输电线路。它们还可能发生在变压器、电动机和电阻器等电气设备中。例如，在变压器中，产生磁场的线圈由于其电阻而经历欧姆损耗。这种能量损失表现为热量，如果不加以管理，可能导致过热。因此，工程师必须设计这些设备，配备足够的冷却机制，以确保其耐用性和可靠性。在可再生能源系统中，如太阳能电池板和风力涡轮机，欧姆损耗同样发挥着关键作用。当这些系统将自然能量转化为电能时，电缆和连接处的电阻可能会妨碍这种转化的效率。因此，优化这些系统的布局和所用材料对于最小化损耗和最大化输出至关重要。总之，欧姆损耗是电气工程中不可避免的一个方面，影响着各种系统和设备。理解这一概念使工程师能够设计出更高效的系统，确保有效利用能源，减少浪费。通过采取措施最小化欧姆损耗，我们可以提升电气系统的性能，为更可持续和高效的未来贡献力量。