Speed Synchronized Control of Permanent Magnet Synchronous Motors with Field-Weakening

L. Samaramayake and Y.K. Chin (Sweden)


Permanent Magnet Synchronous Motor, Field-weakening,Speed Synchronization11..


A vast amount of attentions has been given to permanent magnet synchronous motors (PMSMs) in a variety of automotive applications as these motors present higher efficiency, power factor and better dynamic performance than asynchronous motors without sacrificing reliability. It has also been shown that they can be operated over a wide constant power speed range (CPSR) with the field weakening capability [1]. This paper presents a theoretical study on speed synchronized control of the permanent magnet synchronous motors (PMSMs) in both the constant torque and the field-weakening (or constant power) operation regions. Promising applications of this can be found in aero dynamic, naval, material processing etc., industries.

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