Because of relatively low voltage side of the transformer primary , the transformer in order to improve the utilization of lower cost , DC / DC conversion shown in Figure 2 , push-pull circuit , the primary center tap connected to the battery , with the ends of the switch control , alternate work can improve Solar power inverters the conversion efficiency. The push-pull circuit with fewer switching devices , double-ended working volume of the transformer is relatively small , the duty cycle can be increased , increasing the output power ....
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