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4 FAQs about Permanent magnet synchronous motor and lithium battery pack

What is a permanent magnet synchronous motor (PMSM)?

A Permanent Magnet Synchronous Motor (PMSM) is an advanced electric motor that uses permanent magnets embedded in or attached to the rotor to generate a consistent magnetic field. Unlike induction motors, PMSMs do not rely on induced rotor currents, enabling higher efficiency, lower heat generation, and more precise control.

Which synchronous motors are used in electric vehicles?

PMSM Motors used in Electric Vehicles: Interior Permanent Magnet (IPM) synchronous motors possess special features for adjustable-speed operation. Motors with interior permanent magnet (IPM) rotors can provide exceptionally high efficiency. Permanent magnets are embedded within the rotor laminations internally fitted with a permanent magnet motor.

What is PMSM synchronous machine?

If the magnets are mounted on the surface of the rotor of the motor, the PMSM motor is called a Surface-mounted Permanent Magnet machine. If the magnets are mounted within the rotor, then the PMSM motor is called internally fitted with permanent magnets known as Interior Permanent Magnet (IPM) synchronous machine.

How do you control a permanent magnet synchronous motor?

A permanent magnet synchronous motor requires a control system, for example, a variable frequency drive or a servo drive. Permanent Magnet Synchronous Motor Control (Reference: magneticinnovations.com) There are a large number of control techniques implemented control systems.

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