Research on Low-Frequency Magnetic Field Simulation and Testing at the Ends of EMUs Based on Maxwell
摘要
Although the high-speed train sets are equipped with fully enclosed aluminum alloy car bodies, the end passage areas lack metallic shielding, resulting in a complex electromagnetic environment. This paper takes the Fuxing Intelligent EMU (Electric Multiple Unit) as the research object and uses Maxwell simulation to analyze the low-frequency magnetic field distribution in the end passage under a 50 Hz eddy current field. It also investigates the effects of the 25 kV catenary traction current, rail return current, auxiliary system crossover cable current, and high-voltage system crossover cable current on the electromagnetic environment at the end of the train.