地电场观测中的工频干扰抑制方法研究

EARTHQUAKE ›› 2015, Vol. 35 ›› Issue (4): 53-63.

Methods for Restraining Power Frequency Interferences in Geo-electric Field Observation

XI Ji-lou¹, ZHAO Jia-liu¹, GUAN Xin-ying², TAN Da-cheng³, ZHUANG Nan¹, LIU Chao¹, LI Guo-you⁴, WANG Li-sen⁵, LI Wen-xin⁶

1. Key Laboratory of Earthquake Prediction, Institute of Earthquake Science, CEA, Beijing 100036, China;
2. Beijing No.3 Construction Engineering Co. Ltd., Beijing 100044, China;
3. Earthquake Administration of Gansu Province, Lanzhou 730000, China;
4. Earthquake Administration of Qinghai Province, Xining 810000, China;
5. Earthquake Administration of Hebei Province, Shijiazhuang 050021, China;
6. Earthquake Administration of Yunnan Province, Kunming 650224, China

Received:2014-09-25 Online:2015-10-31 Published:2020-06-28

Abstract

Abstract: With the rapid development of China's national economic construction and the increasing complex of the power environment, power frequency interference effects on the geo-electric field are becoming more and more serious. Power frequency interferences produced by power supply system are a kind of electro-magnetic interference in the geo-electric field observation in China. We first briefly introduce the method of geo-electric field observation. Second, we analyze in detailed the principle, methods, effects and the mechanism of power frequency interferences in the geo-electric field observation. And then, we systematically investigate suppression method for power frequency interferences and its particularity in geo-electric field observation. Finally, the effects of power frequency interferences suppression is discussed, combined with the actual geo-electric field observation.

Key words: Geo-electric field, Power frequency interference, Interference suppression

CLC Number:

P315.7

XI Ji-lou, ZHAO Jia-liu, GUAN Xin-ying, TAN Da-cheng, ZHUANG Nan, LIU Chao, LI Guo-you, WANG Li-sen, LI Wen-xin. Methods for Restraining Power Frequency Interferences in Geo-electric Field Observation[J]. EARTHQUAKE, 2015, 35(4): 53-63.

[1]	XI Ji-lou, GUAN Hua-ping, LIU Chao, ZHANG Nan, ZHANG Zhi-guo, CI Zhuo-ga, Kelsang Drolma, MA Ai-ming. Geo-electric Field Changes Observed at Lhasa Geomagnetic Station before and after the 2015Nepal M8.1Earthquake [J]. EARTHQUAKE, 2016, 36(2): 1-13.
[2]	FAN Ying-ying, DU Xue-bin, TAN Da-cheng, AN Zhang-hui, LIU Jun, WANG Jian-jun. Geo-electrical Field Variations in Gansu Area before the 2013 Lushan M_S7.0 and Minxian—Zhangxian M_S6.6 Earthquakes [J]. EARTHQUAKE, 2015, 35(1): 100-111.
[3]	AN Zhang-hui, DU Xue-bin, FAN Ying-ying, LIU Jun, TAN Da-cheng, CUI Teng-fa, CHEN Jun-ying, WANG Jian-jun. Characteristics of Geo-electric Field Changes before the 2013 Lushan M_S7.0 Earthquake [J]. EARTHQUAKE, 2015, 35(1): 91-99.
[4]	XI Ji-lou, QIU Ying, ZHANG Ying, LIU Chao, HAN Run-quan, XU Xue-gong, ZHANG Jian-xin, ZHAO Jin-bo. Observation of the geo-electric field testing station array and data analysis study [J]. EARTHQUAKE, 2007, 27(增刊): 112-120.

Methods for Restraining Power Frequency Interferences in Geo-electric Field Observation

PDF (PC)

Knowledge

Abstract

Cite this article

share this article

References

Related Articles 4

Recommended Articles

Metrics

Comments