A boosted single-phase seven-level inverter
A seven-level inverter technology, applied in the direction of adjusting electrical variables, instruments, electrical components, etc., can solve the problems of increasing system cost and complex topology structure, and achieve the effect of low hardware cost and small number of switches
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[0022] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments, but the present invention is not limited to these embodiments.
[0023] The present invention provides a step-up single-phase seven-level inverter, such as figure 1 As shown, the inverter includes a boost circuit, a switched capacitor circuit and an H-bridge circuit. The specific description is as follows:
[0024] The boost circuit includes: DC power supply V b , switch tube S 6 , S 7 , Diode D 5 and capacitance C dc , DC supply V b The positive connection of the inductance L 1 One end of the DC power supply V b The negative pole of the switch tube S 7 output and the capacitor C dc of the negative connection, the inductor L 1 The other end is connected with the diode D 5 The anode and the power switch tube S 6 The inputs are connected together, the diode D 5 The cathode and capacitance C dc the positive connection of the ...
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