Effect of magnetic tile performance on motor
(1) High residual magnetic induction intensity Br. Because under the same magnetic pole surface area and air gap, high Br can produce large output torque and large power. The motor will have a higher efficiency.
(2) High Hcb. Because the Hcb is high, the electromotive force required for motor output can be ensured, so that the operating point of the motor is close to the maximum magnetic energy product, and the ability of the magnet is fully utilized.
(3) High Hcj. Hcj high can ensure that the motor has a strong anti-overload demagnetization and anti-aging, anti-low temperature ability.
(4) High (BH)max. The higher the (BH)max, the better the working coefficient of the permanent magnet ferrite in the actual operation of the motor.
(5) The greater the magnetic energy Φ, the better, which will greatly improve the working efficiency of the motor.
(6) The better the rectangularity of the demagnetization curve, the smaller the dynamic loss of the motor.
(7) The higher the resistivity of permanent magnet ferrite, the smaller the eddy current loss.
(8) The temperature coefficient of permanent magnet ferrite is small, and it has good temperature stability at high temperatures.
(9) Small starting current and small time constant. The impact on the power supply is small.