Experimental Study on Transient Characteristics of Grounding Grid for Substation

被引：0
|
作者：
Duan Lian [1 ]
Zhang Bo [1 ]
He Jinliang [1 ]
Xiao Leishi [2 ]
Li Qian [2 ]
机构：
[1] Tsinghua Univ, Dept Elect Engn, Beijing 10084, Peoples R China
[2] Guangdong Power Grid Co, Elect Power Res Inst, Guangzhou 510080, Guangdong, Peoples R China
来源：
2016 33RD INTERNATIONAL CONFERENCE ON LIGHTNING PROTECTION (ICLP) | 2016年
基金：
中国国家自然科学基金;
关键词：
field test; substation grounding system; impulse transient characteristic; lighting impulse; LIGHTNING IMPULSE PERFORMANCES; SOIL IONIZATION; ELECTROMAGNETIC-FIELDS; SIMULATION; SYSTEMS; ELECTRODES; BEHAVIOR; CIRCUIT; MODEL;
D O I：
暂无
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：
Previous work has proven that transient characteristics of a grounding grid was far more different than its performance at power frequency because of the inductance of the system and the soil ionization phenomena. In this paper, a test on a grounding grid of a 110 kV substation was conducted. Several parameters, such as waveform, peak value and injecting point of lightning, were altered to study their relationship with transient characteristics. Not only the impulse earthing resistance but also the voltage and current distribution of the conductors were analyzed. Characteristics of grounding grid between power frequency and higher frequency were compared.
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页数：6
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