High-voltage variable-frequency power supply device

High-voltage variable-frequency power supply device

  • CN 202,364,129 U
  • Filed: 11/30/2011
  • Issued: 08/01/2012
  • Est. Priority Date: 11/30/2011
  • Status: Active Grant
First Claim
Patent Images

1. high-pressure frequency-conversion supply unit;

  • It is characterized in that;

    it comprises high pressure incoming line cabinet and transformer;

    High-tension cable inserts the high pressure incoming line cabinet and picks out to transformer;

    Described high pressure incoming line cabinet is provided with some grades of current-limiting resistances, and described transformer is connected with frequency converter through high-tension cable, and described frequency converter is made up of through the mode of series connection and parallel connection several pwm power unit;

    Frequency converter is connected with sinusoidal filter through high-tension cable, and sinusoidal filter is connected with the high-voltage terminal cabinet through high-tension cable;

    It also is provided with the PLC Programmable Logic Controller, and described PLC Programmable Logic Controller is connected with frequency converter through holding wire.

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