Shielding Effect of HVAC Transmission Lines on the Ion-Flow Field of HVDC Transmission Lines

被引：19
|
作者：
Zhou, Xiangxian [1 ]
Cui, Xiang [1 ]
Lu, Tiebing [1 ]
Liu, Yang [1 ]
Li, Xuebao [1 ]
He, Jiamei [1 ]
Bai, Ru [1 ]
Zhen, Yongzan [1 ]
机构：
[1] North China Elect Power Univ, State Key Lab Alternate Elect Power Syst Renewabl, Beijing 102206, Peoples R China
来源：
IEEE TRANSACTIONS ON POWER DELIVERY | 2013年 / 28卷 / 02期
关键词：
HVDC transmission line; hybrid lines; ion-flow field; shielding effect; AC;
D O I：
10.1109/TPWRD.2012.2225450
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The HVDC and HVAC transmission lines running on the same tower is a promising technology to improve the transmission capacity of an existing corridor. The ions generated by corona discharge of HVDC transmission lines will strengthen the ground-level electric field, which may endanger human exposure. To investigate how the presence of HVAC transmission lines changes the ion-flow field, experiments are carried out on an indoor test model with bipolar dc and three-phase ac lines. The experiment results are then compared with the simulation results. The experiment and simulation results show that the HVAC transmission lines have a shielding effect on the ion-flow field from the HVDC transmission lines running above. Finally, the ground-level electric field and ion current density of the 800-kV HVDC and 500-kV HVAC transmission lines running on the same tower are calculated.
引用
收藏
页码：1094 / 1102
页数：9
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