×

Power converter for executing anti-islanding procedures upon detecting an islanding condition

  • US 9,843,191 B2
  • Filed: 09/28/2011
  • Issued: 12/12/2017
  • Est. Priority Date: 09/28/2011
  • Status: Active Grant
First Claim
Patent Images

1. A power system comprising:

  • at least one power source providing direct current (DC) power;

    a power converter comprising;

    an inverter that converts the DC power to alternating current (AC) power;

    an AC filter coupled to an output of the inverter;

    a voltage sensor coupled to an output of the AC filter;

    a current sensor coupled to the output of the AC filter;

    an inductive coupler configured to couple the power system to a power grid; and

    a switch operable to disconnect the inductive coupler from the power system and retain a connection between the power system and a local load; and

    ,an inverter controller providing to the inverter, an inverter control signal for modifying an operation of the inverter during an islanding condition, the islanding condition identified by using one or both of the voltage sensor and the current sensor to detect a change from a resistive load to an inductive load, the resistive load corresponding to the local load and the inductive load corresponding to the inductive coupler.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×