Permanent Magnet Synchronous Motors (PMSMs) are electric motors that use permanent magnets embedded in the rotor to create a magnetic field. This design allows for efficient operation and high torque at various speeds. PMSMs are commonly used in applications like electric vehicles and industrial machinery due to their reliability and performance. These motors operate synchronously with the supply current frequency, meaning their rotor speed matches the frequency of the electrical supply. This characteristic makes them suitable for precise speed control. PMSMs are also known for their energy efficiency, contributing to reduced energy consumption in various applications.