This paper analyses the special points and mechanism of bolt connection mode on type HXD1 locomotive traction base, and shows the effect of bush to bolt application reliability by stress calculation.

It consists of high frequency PWM boost chopper and digitalized SPWM inverter. It features IGBT multiple protection and special design for the protection of locomotive from EMI.

This paper introduces the special environment of locomotive workshop, analyzes the noise immunity of WLAN product, and illustrates the application of WLAN technology in locomotive workshop.