Abstract
With the improvement of battery technology over the past two decades and automotive technology advances, more and more vehicle manufacturers have joined in the race to produce new generation of affordable, high-performance electric drive vehicles (EDVs). Permanent magnet synchronous motors (PMSMs) are at the top of AC motors in high performance drive systems for EDVs. This paper studies PMSM characteristics under general d-q control strategy in the rotor-flux-oriented frame so as to benefit the development of advanced PMSM control technology for EDV applications. Compared to conventional approaches, the specific features of the paper are 1) a steady-state PMSM model in a d-q reference frame, 2) a simulation mechanism that reflects general PMSM d-q control strategy, and 3) an integrative approach through a joint evaluation of diverse PMSM characteristics. Extensive simulation-based analysis is conducted to study how PMSM characteristics are affected by different d-q control conditions and are interacted with EDV drive characteristics for vehicle speed regulation in drive and regenerate modes.
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