SS7 Electric Locomotive

Key technologies

  1.The vehicle body adopts a traditional mature frame-type integral load-bearing structure.

  2.The bogie axle type is Bo-Bo-Bo, which improves the safety of locomotive operation on curved lines.

  3.The separate fully laminated traction motor has a uniform magnetic circuit distribution, and has both the soft characteristics of series excitation and the hard characteristics of separate excitation, which improves the locomotive's anti-idling ability.

  4.The high-power shell-type main transformer has compact structure, small size and light weight.

  5.The separate excitation control system has constant current starting + quasi-constant speed characteristic control; regenerative braking and power factor compensation are coordinated to ensure that the locomotive has greater braking power and braking force during low-speed electric braking.

  6.The locomotive has an electrical compensation link for axle weight transfer and idling and sliding protection devices, and the locomotive's adhesion is well utilized.