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This paper presents a high-fidelity Permanent Magnet Synchronous Motors model suitable for implementation in real-time Hardware-in-the-loop development and testing of motor control algorithms. The accurate model, based on capturing the variation of flux linkages with currents and rotor position obtained by finite element analyses (FEA), is capable of accounting for the nonlinearities due to saturation,...
This paper presents an active balancing scheme for a 5-level flying capacitor converter operating with an effective switching frequency of 1 MHz. The proposed technique utilises only a single voltage transducer to sense the multilevel waveform. The states of the flying capacitor and bus voltages are estimated from multiple samples of the multilevel waveform over one switching period (4 µs for a single...
This paper presents an improved Space Vector PWM (SVPWM) strategy for an unusual thirteen-level inverter that has symmetric space vectors with few redundant switching states. In comparison to conventional topologies of multi-level inverters that utilise complex cascade H-bridges with isolated DC sources or Neutral Point Clamped (NPC) circuits, the multi-level inverter presented in this work uses a...
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