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Arc Ferrite Magnetic Tile Range of Action and Magnetic Induction
Sep 13, 2017

The magnetic properties of the arc ferrite magnetic tile is characterized by high magnetic permeability at high frequencies. Therefore, ferrite has now become a non-metallic magnetic material widely used in the field of high frequency and weak electric power. Due to its ferrite unit volume The storage of magnetic energy is low, the saturation magnetization is also low, usually only pure iron 1 / 3-1 / 5, thus limiting its requirements in the higher magnetic energy density of the strong and high power applications.

arc ferrite magnetic tile

The range of action of the arc ferrite magnetic tile is very large, and to a certain extent, it has many advantages. The whole product is simple and easy to operate and consumes little energy. It is mainly used in permanent magnet DC motor, The motor generates a different magnetic potential through the excitation coil.

The residual magnetic induction intensity Br of the arc ferrite magnetic tile is such that, at the same magnetic field surface area and air gap, Br is high enough to produce large output torque and large power. The motor will have a higher efficiency. Because Hcb high, in order to ensure that the motor output required electromotive force, the motor operating point close to the maximum energy product, make full use of the magnet's ability.

The higher the resistivity of the arc ferrite magnetic tile, the smaller the eddy current loss of the ferrite, and the temperature coefficient of the whole product is small and can have good stability and stability at its high temperature. When the starting current is small, Time constant is small, so the impact on the power supply is small.

In its ordinary motor is mainly 2-pole and 4-pole majority, the arc ferrite magnetic tile is basically used for the motor stator, micro-DC motor is the most use of ferrite tiles, mainly used in Toys, home appliances, automotive. Brushless motor with magnetic tile as a stator, the general are more than 6 pole, so the central angle is much smaller than the ordinary DC motor with the magnetic tile.

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