Through the analysis on the turn-on and turn-off transience of NPC three-level MVDs, the corresponding mathematical models are developed, based on which the DC-Link choke value is deduced.
通过分析三电平结构的开关暂态过程，建立了变频器暂态开关数学模型，并设计了直流环节部分的限流电抗。
Through the analysis on the turn-on and turn-off transience of NPC three-level MVDs, the corresponding mathematical models are developed, based on which the DC-Link choke value is deduced.
通过分析三电平结构的开关暂态过程，建立了变频器暂态开关数学模型，并设计了直流环节部分的限流电抗。
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