The method for producing the circuit of the first output and the second output and controlling it

The method for producing the circuit of the first output and the second output and controlling it

  • CN 103,368,429 B
  • Filed: 04/07/2013
  • Issued: 01/12/2018
  • Est. Priority Date: 04/05/2012
  • Status: Active Grant
First Claim
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1. the circuit of the first control output and the second control output of a kind of fail-safe interface for producing inverter, the circuitIncluding first switch mode converter and second switch mode converter, it is characterised in that the first switch mode converterAll include with the second switch mode converter:

  • Converter inputs;

    Converter exports;

    Converter controller;

    Converter controller enables input, described to enable input and be configured as powering to converter controller;

    Semiconductor power switching device, the semiconductor power switching device are connected to the converter input and converter controlBetween device;

    The first voltage output of wherein described first switch mode converter and the second electricity of the second switch mode converterPressure output produces voltage respectively, and when enabling converter controller, the voltage is respectively higher than converter controller and enables inputWith the voltage magnitude in converter input, also, when at least one isolating device be connected in first voltage output with it is describedWhen between the converter input of first switch mode converter, it is defeated that at least one isolating device produces first controlGo out, and at least another isolating device ought be connected in the second voltage output and the conversion of the second switch mode converterWhen between device input, described at least another isolating device produces the second control output, the first control output and instituteThe second control is stated to export for driving the inverter;

    Wherein, if by disabling converter controller, the first voltage output and second voltage output of higher magnitude are removed, thenInverter is not run;

    When converter controller is not run, it is high that any failure in circuit will not result in the circuit outputThe voltage of the voltage magnitude in input and converter input is enabled in converter controller.

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