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Permanent magnet machines are widely researched for application in electric traction, aero-engine starter generators and many other industrial systems that require high performance. This paper presents the procedure for the design a surface PM machine with consideration on the volt-ampere limitations of the inverter / active rectifier. The relationship between the stack length and number of turns...
A field weakening control applying a modified overmodulation strategy is proposed to improve the stability of the PMSM drive system. The modified overmodulation is combined with the voltage feedback control to achieve a robust deep field weakening range for the machine. With the proposed control strategy, no switching is required between theMTPA, constant power and MTPV operating regions so that a...
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