Design and research of grounding system of Qingyuan Pumped Storage Power Station
Huan JIN , Kan TIAN , Zichuan WANG , Rui YUAN , Jun WANG , Xu GAO , Zhen QIU
Water Resources and Hydropower Engineering ›› 2025, Vol. 56 ›› Issue (S1) : 134 -138.
In the power system, for the needs of work and safety, it is often necessary to connect some parts of the power system and its electrical equipment with the earth, which is grounding. The ground network and soil of the Qingyuan pumped storage power station are modeled, the maximum grounding impedance of the power station is calculated and analyzed, and measures to reduce the grounding resistance are proposed.
earthing / pumped hydro storage / high resistivity / ground impedance
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