Transient Ground Potential Rise Impact on Reliability of Sensor and IED

被引：0
|
作者：
Li, Longlong [1 ]
Zhu, Wenbing [1 ]
Gao, Zhixin [1 ]
Yi, Feng [1 ]
Xu, Wei [1 ]
机构：
[1] State Grid Shandong Elect Power Res Inst, 2000 Wangyue Rd, Jinan 250002, Shandong, Peoples R China
来源：
2020 5TH ASIA CONFERENCE ON POWER AND ELECTRICAL ENGINEERING (ACPEE 2020) | 2020年
关键词：
Transient Ground Potential Rise; Sensor; IED; Reliability Test;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
In the smart substation, transient ground potential rise caused by lightning current is one of the main factors that affect the measurement accuracy and reliability of high voltage equipment sensor and IED (Intelligent Electronic Device). The paper established mathematical model for Impulse Generator and analyzes the variation trend of sensor and IED grounding shell potential under different parameters of impulse current. According to the equivalent circuit and simulation result, the paper designed a test apparatus which is used for the reliability test of sensor and IED, the test apparatus is composed of impulse generator, waveform adjusting unit and sample mounting platform. The results showed that under the standard current wave 8/20us, 10/350us, 10/1000us, the peak voltage of the platform to ground could up to 10kV, under the standard combination wave, the maximum peak voltage of the platform to ground could up to 12.1kV, and met the requirements of reliability test of transient ground potential rise for sensor and IED in substation.
引用
收藏
页码：1841 / 1846
页数：6
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