Mutual feedback type auxiliary power supply circuit

The invention provides a mutual feedback type auxiliary power supply circuit. The mutual feedback type auxiliary power supply circuit comprises two symmetrically arranged auxiliary power supply modules, i.e., a primary auxiliary power supply module and a secondary auxiliary power supply module. Each...

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Hauptverfasser: LEI BIAO, LYU HUAJUN
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention provides a mutual feedback type auxiliary power supply circuit. The mutual feedback type auxiliary power supply circuit comprises two symmetrically arranged auxiliary power supply modules, i.e., a primary auxiliary power supply module and a secondary auxiliary power supply module. Each auxiliary power supply module comprises a first feed unit, a second feed unit, a double-tube flyback unit, a first power supply unit, a second power supply unit, a control unit and an input unit, wherein the input unit is electrically connected to the double-tube flyback unit; the double-tube flyback unit is connected with the first feed unit, the first power supply unit and the second power supply unit; and the other end of the first feed unit is electrically connected to the second feed unitof the other auxiliary power supply module, the control unit is electrically connected to the first power supply unit, one end of the second feed unit is electrically connected to the input unit, andthe other end of the secon