Circuit capable of inhibiting short-circuit current shock of power electronic converter, and control method of circuit
A power electronics, short-circuit current technology, applied in electrical components, output power conversion devices, etc., can solve the problems of system reliability threat, system closed-loop cut-off frequency limitation, etc., to improve reliability, realize short-circuit output function, and suppress current impact effect
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[0041] Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
[0042] figure 1 Shown is the circuit schematic diagram of the traditional voltage-current double-loop control power electronic converter.
[0043] The invention discloses a circuit for suppressing short-circuit current impact of a power electronic converter, including a power stage circuit and a control circuit;
[0044] The power stage circuit includes a main power switch tube, a filter inductor and a filter capacitor; wherein the main power switch tube is used to receive the input voltage V of the power stage circuit in , generate a high-frequency discrete voltage, and the filter inductor and filter capacitor are used to shape the high-frequency discrete voltage into the output voltage V of the power stage circuit O ;
[0045] The control circuit includes a voltage sampling circuit, a voltage compensation circuit, a maximum current limiting ci...
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