DSP based space vector PWM for three-level inverter with DC-link voltage balancing
作者： H.L. Liu , N.S. Choi , G.H. Cho
DOI: 10.1109/IECON.1991.239306
关键词:
摘要: The authors describe a novel PWM (pulse width modulation) method for three-level inverter considering the DC link capacitor balancing problem. Each voltage vector on space plane is classified in relation to charging/discharging action of capacitors, and modulation suggested based selection principle. algorithm was implemented Motorola DSP 56000 tested with 7.5 kVA prototype transistor inverter. effectiveness proposed verified by experimental results. It shown that techniques are suitable high-power GTO (gate turn-off thyristor) satisfying balancing. >
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