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    JXKB series AD/DC variable frequency industrial and mining electric locomotive with storage battery, which adopts the technologies for AC/DC variable frequency speed regulation and computerized intelligent control, has the advantages of high tractive force, excellent braking ability, reliable operation, easy to control, small volume, high efficiency, and excellent adaptability to environment. Therefore, it’s best suitable for the underground engineering of subway, highway, railway, and water conservancy project.
        Main characteristics:
        1. Rational structure and excellent workmanship for the whole machine;
        2. Power generation in full range of voltage; regenerative braking and control technology (patent); cancellation of dynamic braking; excellent performance in energy conservation, emission reduction, and environmental protection;
        3. Equipped with the frequency converter technologies of Japanese Toyo Co., Ltd., it’s suitable for the operating condition of traction, zero speed, and big torque. During operation, its motor has no harmonic component, no additional heat and temperature rise; low failure rate; prominent energy conservation; high traction efficiency, and; longer service life of motor;
        4. Higher energy conservation efficiency; after charging for one time, its storage battery can guarantee the travel of locomotive for 80km;
        5. Anti-running braking technology (patent) improves the safety performance index of locomotive to great extent;
        6. Overdischarge prevention technology for battery: it can give accurate alerting signal when the electric quantity of battery drops to 10%, so as to ensure that the travel could travel normally to the place for changing the battery; inhibit the overdischarge of battery to ensure its normative usage;
        7. Self-rescue technology for locomotive when the electric quantity of battery is lower;
        8. Coupled traction technology for locomotives of same or different tonnage, which establishes the forming model for traction locomotives of large and larger tonnage, realizes the forming model of traction locomotives of large and larger tonnage, and realizes high efficiency for heavy-duty transportation and construction under condition of large and long rampway;
        9. The locomotive is equipped with 380V/30kw AC power supply interface, which ensures the mixing and pump of mortar truck at any place;
        10. Control technology for prevention of fatigue driving: ① Overall operation control pedal; ② Locomotive deceleration remote control device that is positioned 100m away from the last jumbo of shield machine.


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