摘要
介绍了低压电网谐波的放大机理,并对电网电压及电流谐波放大进行了研究,提出了电网谐波放大的抑制对策.特别对电力电容器的串联电抗器的选择方法作了较为详尽的讨论,并总结出了相应情况下谐波放大抑制的方法.结论表明了按电容支路串联谐振频率点选择电抗值的方法是可行的,而且具有直观的物理意义.
The principles of harmonics magnifying in low-voltage network are introduced in this paper,the network voltage and current harmonics magnifying are researched.The controlling methods of harmonics magnifying are studied.The reactor value choosing problems are particularly discussed.The reactor value choosing methods of capacitor and reactor circuit resonance frequency point in series is put forward.The method′s feasibility and transpicuous physics content are explained in results.
出处
《沈阳工程学院学报(自然科学版)》
2010年第4期330-332,共3页
Journal of Shenyang Institute of Engineering:Natural Science
关键词
低压电网
谐波放大
谐波治理
low-voltage power system
harmonics magnifying
harmonics disposal