1. The influence of the amplitude of periodic load changes. The larger the range of periodic load changes, the greater the oscillation of the aluminum shell motor speed from the synchronous speed, and the greater the current in the cage winding at this time; the smaller the load change range, the smaller the dynamic efficiency of the aluminum shell micro-reducer.
2. The influence of moment of inertia. When the moment of inertia is large, the rotation oscillation of the aluminum shell micro-motor under periodic load and the current in the cage winding are small. Properly increasing the moment of inertia J of the aluminum shell micro-reducer is beneficial to improving the dynamic stability of the aluminum shell micro-reducer, but too much increase in J will make the aluminum shell micro-reducer unstable. Increasing the moment of inertia can improve the dynamic efficiency of the aluminum shell micro-motor under periodic load.
3. The influence of applied voltage. The higher the power supply voltage, the smaller the fluctuation of the aluminum shell micro-reducer speed under periodic load, and the smaller the current in the cage winding, and the better the stability of the aluminum shell micro-motor. Voltage drop will lead to reduced operating efficiency of the aluminum shell micro-reducer under periodic load.
4. The influence of stator resistance Stator resistance is a parameter that has a greater impact on the dynamic efficiency of aluminum shell micro motors under periodic loads. The larger the stator resistance, the greater the speed oscillation of the aluminum shell micro motor and the current in the cage winding under periodic loads, and vice versa. When the stator resistance decreases, the severity of the transition process caused by load changes decreases, and the transition process becomes shorter. Reducing the stator resistance value is beneficial to improving the electromechanical stability of the aluminum shell micro reduction gearbox, and can also reduce the additional loss of the aluminum shell micro reducer at this time, and improve the dynamic operation efficiency of the aluminum shell micro reducer under periodic loads.
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