Rotative Synchronous Servo Motors
Rotative synchronous servo motors consist of a rotor driven synchronously by a rotating field in the stator using applied permanent magnets. A synchronous motor's rotor turns at the same rate as the stator's rotating magnetic field, referred to as the synchronous speed.
Synchronous AC motors are also referred to as permanent magnet AC (PMAC) or brushless AC (BLAC) motors. Synchronous servo motors have a high torque density and excellent performance in dynamic applications.
Brushless DC (BLDC) motors also use permanent magnets on the rotor and run at synchronous speed as rotative synchronous motors. The BLDC motor's voltage is converted from AC to DC through a DC bus and electronic circuitry, so experts argue that these two motor types are the same technology.
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Rotative Synchronous Servo Motors
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