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The periodic power fluctuation of low-frequency pulsed power load leads to disturbance to the power supply system. Pulsed power suppression circuit is necessary to balance the input and output power, and maintain an un-pulsed input power of the power system. In this paper, a pulsed power suppression circuit, which is inserted between the input dc bus and the energy storage capacitors, is proposed based on ripple voltage compensation method. The input and output power are decoupled by the energy storage capacitors and the suppression circuit. Thus, constant input power/current is achieved. The voltage difference between the fluctuating capacitor voltage and the dc bus voltage is compensated by the suppression circuit. Instantaneous power of the pulsed load is directly supplied by the energy storage capacitors, while the dc bus provides average power to the load. Only a small ratio of the average load power is processed by the suppression circuit. Therefore, the power rating and loss of the suppression circuit are reduced significantly in comparison with the state of the art. The implementation circuit and control scheme of the proposed pulse power suppression method are presented. Design guidelines and examples are conducted as well. Experimental results and comparative study are provided to verify the effectiveness and feasibility of the proposed solutions
Zhang et al. (Mon,) studied this question.