Electric motors are the backbone of modern automation. Motors convert electrical energy into mechanical energy, and the resulting motion and torque drives a load.
A simple DC motor has a stationary set of magnets in the stator and an armature with insulated wire wrapped around a soft iron core that concentrates the magnetic field. The windings usually have multiple turns around the core, and in large motors there can be several parallel current paths. The ends of the wire winding are connected to a commutator. The commutator allows each armature coil to be energized in turn and connects the rotating coils with the external power supply through brushes. The total amount of current sent to the coil dictates the strength of the electromagnetic field created. The sequence of turning a coil on or off dictates what direction the effective electromagnetic fields are pointed. By turning on and off coils in sequence a rotating magnetic field can be created. These rotating magnetic fields interact with the magnetic fields of the magnets (permanent or electromagnets) in the stationary part of the motor, the stator to create a torque on the armature which causes it to rotate.
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With respect to the usage, installation or assembly of any products described in this video, Galco Industrial Electronics, Inc., a Michigan corporation, encourages you to follow the requirements and/or guidelines of: i) the Occupational Safety and Health Act of 1970, Public Law 91-596, as amended, and all laws, rules and regulations implemented in relation thereto; ii) the National Electric Code®; and iii) NFPA 70E®. Any installation, assembly or work described in this video should be performed by a qualified licensed electrician.
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#Galco #Motors #Brush&Brushless
26 авг 2024
