摘要
电网中感性负载吸收大量无功功率与谐波的存在对电力系统运行以及电力设备等产生极大的负面影响。无功功率补偿是用电企业提高功率因数和节能降耗的有效手段。其中,合理选择无功功率补偿容量和抑制电容器对谐波的放大作用尤为关键。本文从某企业10kV变电站实际问题入手,分析计算无功功率补偿,综合考虑投入补偿装置后的谐波产生和抑制办法,以满足厂方对功率因数、节能和生产的具体要求。
A large amount of reactive power that inductive loads absorbed and the existence of harmonic have caused great negative impact on the operation of electric power systems and power equipment. Certain effective solution should be taken by the power factories, just as the reactive compensation, for the raise of power factor and the saving of energy. It is crucial to choose the value of compensation properly, so as the elimination of amplification of harmonic respected to the shunt capacitors. This paper is from the standpoint of practical problems, encountered in a 10kV substation of a factory, to analyze and calculate the compensation of reactive power, meanwhile, discuss the generation of harmonic and research the method of suppress and elimination, so as to meet the specific requirement, such as power factor、energy saving and producing.
出处
《电气技术》
2008年第7期38-40,共3页
Electrical Engineering
关键词
无功补偿
谐波抑制
并联电容器组
电网
节能
reactive compensation
harmonic elimination
shunt capacitors
network
energy saving
