功率因数对工厂供配电系统电能质量的影响  

Effect of Power Factor on Power Quality of Distribution Systems in Factories

作　　者：孔英秀[1] 

机构地区：[1]西安思源学院能源与电气工程学院,陕西西安710038

出　　处：《现代电子技术》2011年第2期208-210,共3页Modern Electronics Technique

摘　　要：介绍了功率因数对工厂供配电系统电能质量的影响,为了提高电能的利用率,在此研究了如何减少感性负荷的无功储能。详细介绍了2种提高功率因数的方法:传统法和补偿法。传统法是对感性负荷自身进行改造或运行状态的改变来减少无功损耗;补偿法是通过给感性负荷并联电容器组进行无功补偿的一种新型方法。目的是为了提高电能的利用率和减少有色金属的浪费。研究结果证明,通过这2种方法,系统的功率因数可以提高的1倍以上,对节约电能有很大的帮助。The influence of the power factor on power quality of distribution systems in factories is introduced. The reac- tive energy storage for reducing the emotional load is investigated to improve energy utilization. The traditional method and the compensation method to improve power factor are elaborated. The traditional method is to transform perceptual load itself or change the running state to reduce the reactive power loss. The compensation method is a new way to perform ~he reactive power compensation for shunt capacitors for the emotional toad. Both of their purposes are to improve power utilization factor and reduce the waste of non-ferrous metals. The results prove that the two methods can increase the power factor of the sys- tem by a factor of more than 2, and are a great help to the power saving.

关 键 词：功率因数 无功补偿 感性负荷 电能质量 

分 类 号：TN919-34[电子电信—通信与信息系统]