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Research on GIC Monitoring and Pre-alarming System

Author: ZhangQingMing
Tutor: LiuLianGuang
School: North China Electric Power University (Beijing)
Course: Proceedings of the
Keywords: GIC GIC impact Monitoring and early warning Signal processing
CLC: TM764
Type: Master's thesis
Year: 2005
Downloads: 111
Quote: 8
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Abstract


Geomagnetic induced current (Geomagnetic induced current, referred to as GIC ) geomagnetic storms in the high-voltage grid power system operation range of harmful effects . In recent years , China 's long-distance transmission system has been found that many GIC impact case ; Therefore, the study of the problem of China's power grid GIC . The paper mainly studies the grid GIC monitoring technology, monitoring results is the fundamental basis of the analysis of the impact of hazards . The paper combines the modern power grid development , the GIC on the possible impact of China's power grid , demonstrated the necessity of GIC monitoring and early warning system in China's power grid ; according to the grid GIC generation mechanism and characteristics of two different GIC signal extraction programs, and through simulation analysis given the GIC signal analysis algorithms ; grid GIC monitoring and warning system hardware and software design , monitoring device developed the GIC signal extraction method , the recorded wave method and other issues . The study showed that , the the proposed GIC signal extraction method and analysis algorithms are feasible .

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CLC: > Industrial Technology > Electrotechnical > Transmission and distribution engineering, power network and power system > Power system automation > Distant measurement and remote control
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