DJ alternating current drive high-speed passenger transport electric locomotive is used for the passenger transport on the main rail, it has many advantages, such as good run performance, small energy consuming, weak electromagnetism interfere, good dependability and convenient repair. The power-factor approaches 1 at the conditions of traction and braking. Compare with the traditional phase-control locomotive, it can reduce the 20% electric current of the contact net and the 50% power consuming, moreover, the capacity of the traction transformer substation can be reduced down. It feedback 10~40% energy to the electric net because of using regeneration breaking, that the electric energy’s quality is good. Due to using the modularized structure, the repairing is convenient, and its time is little because of its diagnosing system, moreover, the repairing expense is third of the phase-control locomotive and the running expense is 70% of the phase-control locomotive.

The capacity of the traction and breaking for the alternating current transmission high-speed passenger transport electric locomotive can cover with generic speed (100km/h), quasi-high-speed (160km/h), high-speed (200km/h), it is best choice to the traction power of the speediness passenger transport net.