the initial steady, reliable braking;

China's first wholly owned independent intellectual property rights of AC frequency control of large-tonnage electric flat car
Kap machinery development and production, China's first wholly owned independent intellectual property rights of AC frequency control of large-tonnage electric vehicles will be delivered in May, the electric-car features are:
1), compared with control DC electric vehicles save energy more than 30%;
2), the initial steady, reliable braking;
3), simple control;
4), starting torque, acceleration performance, flat car running smoothly, do not slip As KPD flat car starter starting current flowing through the track is very large (up to 1000A), end of the electrics tacker at this time a great voltage drop, resulting in difficulty in single-phase capacitor start motors, the maximum single-phase KPD flat car of 50 tons deadweight , load 50 tons or more three-phase 36V low voltage rail power supply, YZ hoisting metallurgical motors.
Product KPDZ only inherits the advantages of KPD flat car and avoid the original model is difficult to start and run a short distance shortcomings. KPDZ flat car to car on the track rectifier single phase (or phase) 36V AC to DC 36V, DC traction motor drag the flat car running, DC motor and AC motor burn easily compared, starting torque strong overload advantages. Even though the track insulation aging and other reasons, the undervoltage condition can still work reliably.