Inverter, inversion device, inversion system and switching method
An inverter system and inverter device technology, applied in the power supply field, can solve the problems affecting the reliability of the power generation system, large inrush current, etc., and achieve the effects of improving reliability and stability, avoiding inrush current, and non-impulse switching
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[0074] The embodiment of the present invention further utilizes the inverter system 30 and the switching method to perform the switching test.
[0075] The inverter system 30 includes two parallel-connected inverters 10 a and 10 b , and the structures of the two inverters 10 a and 10 b are the same as those of the inverter 10 . The inverter system 30 is put into the inverter 10b when the inverter 10a is operating normally. see Figure 7 , Figure 7 (a) is the three-phase current waveform during the normal operation of the inverter 10a, Figure 7 (b) is the current waveform when the inverter 10b using the switching method of the present invention is put into the inverter system 30 . It can be seen from the figure that the inrush current can be effectively avoided by using the inverter and the switching method of the present invention, and the circulating current between the inverters is very small. It can be seen from the figure that after the inverter 10b is put into , the...
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