摘要
简述电动汽车充电站对电网谐波的影响,重点分析不同结构充电机对电网的谐波影响,给出了各种充电站谐波测试结果,简述谐波抑制技术措施,提出并实施了电动汽车充电站电能质量在线监测和谐波治理方案。实施结果表明,采用有源滤波器后网侧5、7次谐波电流明显减少,满足国标GB/Z17625.6—2003规定限制值。
The impacts of electric vehicle chargers on power grid harmonic were discussed, and the impacts of electric vehicle chargers with different structure on power grid harmonic were emphatically analyzed. The testing results of harmonic for various chargers were given, and the technical measures for restraining were briefly described. The scheme of on-line power quality inspection and harmonic restraining for electric vehicle chargers were proposed and implemented. The harmonic test results show that 5th,Tth harmonic current can effectively be suppressed after filter is installed, which can meet the limited value required by national standard GB/Z 17625.6-2003.
出处
《中国电力》
CSCD
北大核心
2008年第9期31-36,共6页
Electric Power
关键词
电动汽车
充电机
谐波分析
治理
electric vehicle
charger
harmonic analysis
restrain
