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In electric vehicle (EV) drive systems, sizing and selection of DC link capacitors involve tradeoffs among system performance including lifetime, reliability, cost, and power density. This paper contributes a comprehensive and comparative study on the DC-link capacitor applications and evaluations to meet the above requirements. The research starts with dynamic modeling of the capacitor equivalent...
The presence of loop inductance causes significant surge voltage due to hard-switching operation of voltage source inverters. This generally requires high-voltage rating of switching devices, which results in additional cost and power loss. This paper presents a surge voltage model to study busbar stray inductances in Electric Vehicle systems. The model demonstrates that the inductance of commutation...
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