As a result of the commercialization of premium permanent magnet materials, several manufacturers have released a range of Permanent Magnet Synchronous Machines into the market. For applications requiring quick torque response and excellent efficiency and performance, permanent magnet synchronous motors (PMSM) are commonly utilized. Effective-performance motor control is characterized by smooth spinning over the motor's whole speed range, rapid acceleration and deceleration, and total torque control at zero speed. For PM Synchronous Motors, Vector Control Techniques are utilized to accomplish this kind of control. This control approach provides a stator vector perpendicular to the rotor magnets by controlling the stator current in this manner. In order for it to function similarly to a DC motor that is individually energized, which by nature has a quick dynamic reaction. Therefore, PMSMs are the ideal option for drive applications that call for quick and precise torque response, such as servo drives that replace DC motors because of their expense, size, and upkeep. Since the discovery of more lightweight and compact permanent magnet synchronous motors (PMSMs), these motors have been used as traction motors without the need for a gearbox. Because of its minimal heat generation, it can also be employed as a completely enclosed traction motor. Undersea vehicles are another significant use for PMSMs because of their minimal acoustic noise output. The machine generates torque that reaches a speed called base speed for a specific DC source voltage. No current will reach machine segments over base speed because the induced emf of the machine will be greater compared to the maximum input voltage. In order to prevent this, the flux between the air gaps connections are weakened, constraining the generated electromagnetic field to a value below the applied voltage.