To introduce the advantages of the motor core:
Applying the motor core to the transformer, its magnetic circulation structure is almost in a closed space, so it has the advantages of small magnetic leakage, weak electromagnetic radiation, and strong resistance to external magnetic interference, even if it is installed in various complex structures. Electronic equipment, And no electromagnetic interference. Moreover, the motor core can make the empty current very small, even if there is very little heat in the long-term electrification, the iron loss of the motor core can be less than 1W/kg, but also especially suitable for instrument instruments with narrow cooling space.
In short, the motor core has the advantages of high magnetic conductivity, low loss, low noise, and strong anti-interference. Its diameter, height, and width ratio can be changed arbitrarily according to requirements. In general, the weight of the transformer decreases with the increase in height, but the height of the motor core, the average length of the wire, and the increase in copper weight will offset the reduction in iron weight. The higher the power of the transformer, the corresponding increase in volume and weight.

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Under the premise that the working frequency is certain, the area of the iron core of the motor is certain, and the power of the motor is determined.
It is generally believed that different motors with the same power have a small volume of high speed and a small iron core area. The relationship between the motor life and the number of turns and line diameter is reflected in the heat degree of the motor. If the motor heating is serious, the faster the electrical insulation will be destroyed, the shorter the motor life.
The excess area increases, but it can only accommodate more winding turns or thicker winding wires. With a large number of turns, the current required for the same power is small and the speed is low. The higher the winding resistance, the lower the efficiency. The number of rough turns of the wire is small, and it can withstand more current and the winding is not serious, the speed is also high, and the winding resistance is small and the efficiency is better.
In the motor, the main job of the motor core is to use its unique magnetic ability to generate induction currents to help the motor work. The small motor core can have a large use, which may be equivalent to what we humans call super power. Now.
The iron core of the motor, because of its own special material, has a strong magnetic conductivity and is a magnetic material that works when magnetic induction is generated in the motor. It can be seen from the following whether there is a relationship between it and the motor power.
First of all, it is necessary to understand the fact that the iron core of the motor has no power, and it can not produce power. Its quantity unit is Gaussian. It is wound around the wire and produces magnetic force. However, if the magnetic force is too large, it will cause magnetic saturation. The core is hot. Therefore, if the power of the motor is to be large, the cross-sectional area of the stator core must be increased. Therefore, the motor is the iron core and the coil and rotor cut the magnetic lines, generating a rotating magnetic field, in order to produce power from the motor shaft.