There are many parasitic parameters in flyback converter,which greatly reduces its circuit performance.The flyback converter with parasitic parameters is analyzed from the perspective of sneak circuits,and its working mode is studied and theoretically verified by simulation.The results show that the parasitic parameters in flyback converter will increase the number of the subcircuit modes,and the effect of sneak circuits can be reduced by modulating the parasitic parameters so that the circuits can operate in normal modes.
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