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Initial Resonant Current Control for Extra-LC Auxiliary Resonant Snubber Soft-Switching Inverter without Filter Inductor Current Sensor
The initial resonant current in the extra-LC auxiliary resonant snubber inverter (ELCARSI) is the key parameter to realize soft switching and improve output quality. However, the initial resonant current is related to the filter inductor current. Thus, an extra filter inductor or capacitor current sensor is required, which increases the cost and hardware complexity. Besides, the traditional control strategy using load current to calculate the initial resonant current doesn't require the extradoi:10.1109/access.2019.2946845 fatcat:hjp3l3pcqvhjvax23hurf4awx4