Abstract
Traction power supply system is an important part of low and medium speed magnetic levitation transportation engineering, and its grounding system is an important basis to ensure safe and stable power supply in train operation. At present, there are few studies on the dynamic distribution characteristics of ground fault current and its influencing factors of low and medium speed magnetic levitation traction power supply system. In order to further ensure the safe and stable operation of low and medium speed magnetic levitation traffic, this paper, firstly, analyzes the differences between the traction power supply system and the conventional rail transit traction power supply system by building a simulation model of the traction power supply system. Finally, the accuracy and reasonableness of the simulation results are further verified by theoretical derivation. Finally, the accuracy and reasonableness of the simulation results are further verified through theoretical derivation.
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