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Motor selection is to select motors with the best performance and cost-effectiveness according to the specific working conditions set to meet the needs of mechanical transmission or electrical control. Usually, multiple factors such as power, speed, voltage, load type, environmental conditions, working system and safety performance should be considered to determine the final selection plan.
The rotation principle of motors is mainly based on the interaction between current, magnetic field and force. When current flows through a wire, a magnetic field is generated around it. This magnetic field interacts with the magnetic field generated by the permanent magnet or electromagnet in the motor, thereby generating a rotation torque, causing the motor to start rotating.