Photovoltaic grid-connected three-level inverter
A three-level inverter, photovoltaic technology, applied in photovoltaic power generation, electrical components, conversion of AC power input to DC power output, etc., can solve the problems of increasing switching loss, affecting switching frequency, etc. The effect of low pass loss and high efficiency
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[0046] Example
[0047] A photovoltaic array module, six identical switch tubes, two identical diodes, two equal sets of capacitors, two equal inductances, and the power grid form a photovoltaic grid-connected three-level inverter of this embodiment.
[0048] The components used in a photovoltaic grid-connected three-level inverter of this embodiment include: 1. Switch tube, 2. Switch tube, 3. Switch tube, 4. Switch tube, 5. Switch tube, 6. Switch tube , 7. Diode, 8. Diode, 9. Capacitor, 10. Capacitor, 11. Inductance, 12. Inductance, 13. Photovoltaic array module, 14. Power grid and 15. Ground. All switch tubes are insulated gate bipolar transistors IRG4PSC71UD, all diodes are fast recovery diodes HFA25TB60, the capacitance value of the capacitor used is 300uF, the inductance value of the inductor used is 1.5mH, and the model of the photovoltaic array module used is 165(36) P / G1573*824 is composed of series and parallel solar panels, the output voltage can be between 350V and 550V...
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