The present invention relates to a single phase, non-insulated, miniaturized DC/AC power inverter having an output power density higher than 3000 W/dm3, wherein said power inverter is packaged in a casing made of an external electrically conductive enclosure containing a fan blowing in an axial direction to a side face of the casing and, in a stacked elevation arrangement, successively from a bottom side to a top side, a layer of active filter capacitors, a heatsink, a layer of wideband semiconductors switches connected to a PCB with thermal vias and a layer of active filtering inductors, the fan and the component stacked arrangement being designed so as, in operation, the external temperature of the casing does not overcome 60° C. in any point, for an ambient temperature of maximum 30° C. under a maximum load of 2 kVA.
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机译:本发明涉及一种输出功率密度高于3000W / dm3的单相,非绝缘,小型化的DC / AC功率逆变器,其中,所述功率逆变器封装在由包含风扇的外部导电外壳制成的壳体中。沿轴向吹向壳体的侧面,并以堆叠的立面布置,从底侧到顶侧依次连接一层有源滤波电容器,一个散热器,一层连接到PCB的宽带半导体开关通过散热孔和一层有源滤波电感器,风扇和组件堆叠结构的设计使得在运行中,外壳的外部温度在最高温度为30的任何点都不超过60°C最大负载为2 kVA
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