harmonic emission

简明释义

谐波发射

英英释义

例句

1.Monitoring harmonic emission 谐波排放 is crucial for maintaining power quality in urban areas.

监测harmonic emission 谐波排放对于维护城市地区的电力质量至关重要。

2.The power plant was required to reduce its harmonic emission 谐波排放 to comply with environmental regulations.

该发电厂被要求减少其harmonic emission 谐波排放以符合环境法规。

3.The study found that higher levels of harmonic emission 谐波排放 can lead to equipment failure.

研究发现，更高水平的harmonic emission 谐波排放可能导致设备故障。

4.New filters have been installed to minimize harmonic emission 谐波排放 from industrial machines.

新安装的过滤器旨在最小化工业机器的harmonic emission 谐波排放。

5.Engineers are studying the effects of harmonic emission 谐波排放 on the stability of the electrical grid.

工程师们正在研究harmonic emission 谐波排放对电网稳定性的影响。

作文

In the field of electrical engineering, the concept of harmonic emission plays a crucial role in understanding the quality of power systems. Harmonic emission refers to the generation of harmonics in electrical systems, which are voltage or current waveforms that deviate from the fundamental frequency. These harmonics can arise from various sources, including non-linear loads such as computers, fluorescent lights, and variable frequency drives. As these devices operate, they draw current in a non-linear manner, leading to the creation of harmonic frequencies that can distort the overall waveform of the electrical supply.The presence of harmonic emission in a power system can lead to several issues. One of the most significant problems is overheating in electrical components. When harmonics are present, they can cause additional heating in transformers, motors, and conductors due to the increased RMS (Root Mean Square) current. This overheating can shorten the lifespan of equipment and lead to unexpected failures, resulting in costly downtime and repairs.Moreover, harmonic emission can interfere with the operation of sensitive electronic devices. Many modern devices require a clean and stable power supply to function correctly. The distortion caused by harmonics can lead to malfunctions, data corruption, and even damage to sensitive components. Therefore, understanding and managing harmonic emission is essential for maintaining the reliability and efficiency of electrical systems.To mitigate the effects of harmonic emission, engineers often employ various strategies. One common approach is the use of filters, which can be designed to attenuate specific harmonic frequencies. Passive filters, for example, consist of inductors, capacitors, and resistors arranged in a way that allows them to absorb certain harmonics while allowing the fundamental frequency to pass through. Active filters, on the other hand, use advanced technology to dynamically adjust and cancel out harmonics in real-time, providing a more flexible solution.Another strategy involves the careful selection and design of equipment. By choosing devices that have a lower harmonic distortion characteristic, engineers can reduce the overall harmonic emission in a system. Additionally, balancing loads across phases can help minimize the impact of harmonics on the power supply.Regulatory standards also play a significant role in managing harmonic emission. Organizations such as the Institute of Electrical and Electronics Engineers (IEEE) have established guidelines and limits for acceptable levels of harmonic distortion in electrical systems. Compliance with these standards not only helps ensure the safe and efficient operation of power systems but also protects the integrity of sensitive electronic devices.In conclusion, harmonic emission is a critical aspect of electrical engineering that requires careful consideration and management. As technology continues to evolve and the use of non-linear loads increases, the importance of understanding and mitigating harmonic emission will only grow. By employing effective strategies and adhering to regulatory standards, engineers can enhance the performance and reliability of electrical systems, ultimately benefiting both consumers and industries alike.

在电气工程领域，谐波发射的概念在理解电力系统质量方面起着至关重要的作用。谐波发射是指电气系统中谐波的产生，这些谐波是偏离基频的电压或电流波形。这些谐波可以来自多种来源，包括非线性负载，如计算机、荧光灯和变频驱动器。当这些设备运行时，它们以非线性的方式抽取电流，导致谐波频率的产生，从而扭曲电力供应的整体波形。在电力系统中，谐波发射的存在可能会导致几个问题。其中一个最显著的问题是电气组件的过热。当谐波存在时，它们可能会导致变压器、电动机和导体中的额外加热，这是由于增加的有效值（RMS）电流所致。这种过热可能缩短设备的使用寿命，并导致意外故障，从而造成昂贵的停机时间和维修费用。此外，谐波发射可能会干扰敏感电子设备的操作。许多现代设备需要干净且稳定的电源才能正常工作。谐波引起的失真可能导致故障、数据损坏，甚至对敏感组件造成损害。因此，理解和管理谐波发射对于维护电力系统的可靠性和效率至关重要。为了减轻谐波发射的影响，工程师通常采用各种策略。一种常见的方法是使用滤波器，这些滤波器可以设计为衰减特定的谐波频率。例如，主动滤波器由电感器、电容器和电阻器按一定方式排列，能够吸收某些谐波，同时允许基频通过。另一方面，主动滤波器则使用先进技术实时动态调整并抵消谐波，提供更灵活的解决方案。另一种策略涉及设备的仔细选择和设计。通过选择具有较低谐波失真特性的设备，工程师可以减少系统中总体的谐波发射。此外，在相间平衡负载也可以帮助最小化谐波对电力供应的影响。监管标准在管理谐波发射方面也发挥着重要作用。电气和电子工程师协会（IEEE）等组织已建立了电力系统中可接受的谐波失真水平的指南和限制。遵守这些标准不仅有助于确保电力系统的安全和高效运行，而且还保护敏感电子设备的完整性。总之，谐波发射是电气工程中一个关键的方面，需要仔细考虑和管理。随着技术的不断发展和非线性负载使用的增加，理解和减轻谐波发射的重要性只会增加。通过采用有效的策略和遵循监管标准，工程师可以提高电力系统的性能和可靠性，最终使消费者和各行各业受益。