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本文分析了有色工矿企业供配电系统中谐波产生的原因及危害,结合工程实践经验,提出减少谐波危害的工程设计思路。谐波会导致供配电系统电流和电压波形畸变,电能质量下降,危害系统及用电设备。因此,工程设计人员了解谐波产生的机理及危害,研究解决方案,对改善供电质量和确保供配电系统安全经济运行有着非常积极的意义。
This paper analyzes the causes and harms of harmonics in power supply and distribution system for nonferrous industrial and mining enterprises, and puts forward engineering design ideas to reduce the harm of harmonics based on engineering practice. Harmonic waves will result in distortion of the current and voltage waveforms in the power distribution system, the deterioration of the power quality, and the damage to the system and the electrical equipment. Therefore, it is of great significance for engineering designers to understand the mechanism and harm of harmonic generation and to study solutions to improve the quality of power supply and ensure the safe and economical operation of power supply and distribution system.