无功补偿与谐波抑制_张晓琴.pdf

成都电子机械高等专科学校学报 2005 1 30 CHENGDU ELECT ROMECHA NICAL COLLEGE 2005 3 27 张晓琴 包中婷 ( 重庆工业职业技术学院 400050 成都电子机械高等专科学校 610031) : 本文分析无 补偿的重要性, 结合工程实践阐述用并联电容器进行无 补偿 的原理讨论并联电容器与谐波的相互影响及抑制谐波放大的方法简介目前既能谐波 补偿又无 补偿的装置 : 低压无 补偿 率因数 并联电容器 谐波放大 谐波抑制 Abstract : The essay analyzed the importance of w orkless compensation, and accompa- nied w ith en ineerin practice, explained the theory of w orkless compensation by usin par- allel capacitor and discussed the inter influence between parallel capacitor and harmonic as w ell as the method to control harmonic from ma nified. Briefly introduced the device w hich compensate harmonically and w orklessly. Key words: low pressure workless compensation, power factor, parallel capacitor, har- monic ma nified, harmonic control. : TN714 1 : cosU= P/ S ( 1) , 10GW , , , , , , 20% ~ 30%, , 1. 1 1/ 4 R, , , 2 2 P R - 3 vP= I R= 2 2 @ 10 ( kW) ( 2) U cos U , , U ( kV) ; I , , (