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Rancang Bangun Catu Daya Banyak-Keluaran Untuk Rangkaian Kontrol Inverter 3-Fasa Pada Aplikasi Sistem Pompa Air Tenaga Surya
A power supply circuit that produces a lot of output is needed by electronic systems that work with several voltage levels. An example is a control circuit that controls a 3-phase inverter, where the control circuit uses several integrated circuits (IC) which must be supplied by a power supply. isolated from one another. The power supply circuit that will be made gets power input from solar panels, and produces several constant direct voltage outputs to supply the 3-phase inverter control circuit. In this final project, the DC-DC converter will use a push-pull topology. The push-pull topology was chosen because it has advantages over other topologies, namely, that it uses a transformer. Apart from that, the push-pull topology uses 2 Mosfet units, and the second Mosfet control circuit uses the same ground terminal as the power circuit, so the control circuit of this converter is simpler. Another advantage is that the output voltage of the push-pull converter is directly proportional to the duty cycle. To activate the DC-DC converter circuit, a control circuit consisting of IC SG3525 is needed which functions as an Mosfet ignition regulator.
Keywords: Solar Panel, duty cycle, push-pull topology DC-DC converter, IGBT, IC SG3525.
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