Impact of fine particles on the direct current electric field of the conductor due to corona discharge

被引：5
|
作者：
Zou, Zhilong [1 ]
Li, Dayong [1 ]
Xu, Jiayu [1 ]
Cui, Xiang [1 ]
Lu, Tiebing [1 ]
Bian, Xingming [1 ]
机构：
[1] North China Elect Power Univ, State Key Lab Alternate Elect Power Syst Renewabl, Beijing, Peoples R China
来源：
JOURNAL OF ELECTROSTATICS | 2017年 / 88卷
关键词：
Corona discharge; Fine particle; HVDC; Ionized field; Space charge;
D O I：
10.1016/j.elstat.2017.02.001
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：
Corona-generated ionized field is an essential electromagnetic parameter of high voltage direct current transmission lines. In order to investigate the impact of atmospheric fine particles on the DC ionized field, distributions of the ground-level ionized field and ion current density were measured under various air contamination extents in a wire-to-ground platform. The fine particles were generated from burning incense. Measurement results show that the magnitude of ground-level ionized field may increase approximately by 20% when particles in the order of 10(2) mu g m(-3) exist in air. Restriction effect on the ionized field by using grounded shielding lines was also examined. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：106 / 110
页数：5
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