Energy Efficiency Analysis of Permanent Magnet Synchronous Motors in the Whole Life Cycle of Urban Rail Vehicles
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Abstract
This paper analyses the energy efficiency of Permanent Magnet Synchronous Motors (PMSM) throughout the entire life cycle of urban rail vehicles, using a vehicle with PMSM from a metro line as an example. The paper utilizes actual vehicle operation data to establish a model for vehicle energy consumption. It then statistically estimates the full life cycle of the energy consumption value of the vehicle with PMSM , as well as the energy consumption during the four phases of individual acceleration, uniform speed, braking, and stopping. This paper comprehensively considers vehicles' energy consumption and cost and conducts a comparative analysis of the PMSM and asynchronous motors (AM) vehicles. The results show that the vehicle with PMSM saves 40% and 36% of energy consumption and cost throughout the life cycle. The data presented in this paper demonstrates that vehicle with PMSM offer significant energy-saving advantages throughout their life cycle. Therefore, the PMSM reduces operational energy consumption and improves the economy and environmental friendliness of the vehicles. The paper provides data to support the optimization and control of energy consumption in urban rail vehicles.
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References
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