Young-Seol Lim, Duck-Ho Shin, June-Seok Lee, and Kyo-Beum Lee, "Performance Anaysis of a Five-leg Inverter for the Train Propulsion System," Journal of the Korean Society for Railway, vol. 20, no. 1, pp. 43–54, Feb. 2017. > Paper

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Paper

Domestic Journals Young-Seol Lim, Duck-Ho Shin, June-Seok Lee, and Kyo-Beum Lee, "Performance Anaysis of a Five-leg Inverter for the Train Propulsion System," Journal of the Korean Society for Railway, vol. 20, no. 1, pp. 43–54, Feb. 2017.

2017

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This paper analyzes the performance of two three-leg inverters and a five-leg inverter and proposes the optimal operation conditions

in applying the five-leg inverter for the train propulsion system. The five-leg inverter offers a saving of two switches compared with

the standard two three-leg inverters and it is possible to control two three-phase motors independently by using a control board.

All of these features lead to a potential reduction in capital cost and miniaturization of system. In this paper, first, the analysis of the

existing motor control method and PWM method for two-traction motor drive of urban railway is implemented. Next, the operation

principle and performance of five-leg inverter is introduced. Through the analysis, when it applies the same motor control method

and the same PWM method for three-leg inverter and five-leg inverter, the characteristic of motor`s speed and torque is compared. 

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