Super capacitor energy-storage type elevator driver

The invention relates to a super capacitor energy-storage type elevator driver which mainly comprises a diode three-phase uncontrollable rectifier, a three-phase inverter, a three-phase alternating current variable-frequency motor, a voltage-stabilizing filter capacitor, a super capacitor group, a first current limiting circuit, a second current limiting circuit, a direct current side voltage detecting circuit, a super capacitor group end voltage detecting circuit, a super capacitor group current detecting circuit, a signal conditioning circuit and a set of driving and controlling circuits, wherein the diode three-phase uncontrollable rectifier is connected with a three-phase electric network, the three-phase inverter comprises IGBT (Insulated Gate Bipolar Transistor) antiparallel diode moulds, and DSP (Digital Signal Processing) is used as the control core of the set of driving and controlling circuits. The invention changes the energy-saving scheme of feeding braking energy back to the electric network, energy is stored in the super capacitor group, and on-the-spot utilization is realized, thereby not only more conveniently and efficiently realizing energy saving, but also lowering the cost of the elevator driver, improving the operating safety of an elevator, and achieving popularization and application values.