火电厂谐波抑制措施及设备选型优化研究  

Research on Harmonic Suppression Measures and Equipment Selection Optimization for Thermal Power Plants

作　　者：聂岩[1] NIE Yan(Shandong Electric Power Engineering Consulting Institute Co.,Ltd.,Jinan 250013,China)

机构地区：[1]山东电力工程咨询院有限公司,山东济南250013

出　　处：《山东电力高等专科学校学报》2022年第3期1-4,30,共5页Journal of Shandong Electric Power College

摘　　要：介绍了火电厂厂用电系统谐波的危害,分析了源端谐波抑制措施。根据相关标准对企业内部谐波限值的规定,调整了谐波电压限值;通过谐波分析和短路计算,优化了厂用变压器的容量和阻抗,降低了谐波对电气设备的危害,为厂用电系统谐波限制提供了设计和优化的依据。The hazards of harmonic in station service electrical system of thermal power plants are introduced and the measures of harmonic suppression for power supply are analyzed.The limit of harmonic voltage is adjusted in accordance with the regulations of relevant standards on the harmonic limit inside enterprises.The capacity and impedance of station transformers are optimized by harmonic analysis and short-circuit calculation,which reduces the hazards of harmonic on electrical equipment and provides the basis of designing and optimizing of harmonic limit for station service electrical system.

关 键 词：厂用电系统 变频器 谐波抑制 电能质量 

分 类 号：TM645.1[电气工程—电力系统及自动化]