This paper described the impact of the electrical vehicle（EV） charging on the grid harmonic. In view of the randomness of the EV charging process, the harmonic admittance matrix method and superposition method were ...This paper described the impact of the electrical vehicle（EV） charging on the grid harmonic. In view of the randomness of the EV charging process, the harmonic admittance matrix method and superposition method were used to build the single and multiple EVs charging simulation model. By using Matlab as a simulation tool, we analyzed harmonic currents of single and multiple EVs chargers. The results show that the harmonic ratio is beyond the scope of the national harmonic standard. Finally a parallel hybrid active filter（PHAPF） was introduced for governance of harmonic.The experimental results show that net side harmonic currents are significantly reduced by using the PHAPF and meet the national standard GB/Z17625.6-2003 regulations limit.展开更多
The first Industrial Policy of China in 90’s——The Industrial Policy of Motor Industry was isaued on July 4, 1994. It was the first time for Chinese Central Government to launch in this policy the supervision and ma...The first Industrial Policy of China in 90’s——The Industrial Policy of Motor Industry was isaued on July 4, 1994. It was the first time for Chinese Central Government to launch in this policy the supervision and management system over auto products (include motorcycle) relating to safety, emission control and energy-saving展开更多
基金supported by the National Basic Research Program of China(973 Program)under Grant No.2013CB228202the National Natural Science Foundation of China under Grant No.51361130153
文摘This paper described the impact of the electrical vehicle（EV） charging on the grid harmonic. In view of the randomness of the EV charging process, the harmonic admittance matrix method and superposition method were used to build the single and multiple EVs charging simulation model. By using Matlab as a simulation tool, we analyzed harmonic currents of single and multiple EVs chargers. The results show that the harmonic ratio is beyond the scope of the national harmonic standard. Finally a parallel hybrid active filter（PHAPF） was introduced for governance of harmonic.The experimental results show that net side harmonic currents are significantly reduced by using the PHAPF and meet the national standard GB/Z17625.6-2003 regulations limit.
文摘The first Industrial Policy of China in 90’s——The Industrial Policy of Motor Industry was isaued on July 4, 1994. It was the first time for Chinese Central Government to launch in this policy the supervision and management system over auto products (include motorcycle) relating to safety, emission control and energy-saving
