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Solar drive system and method for tracking the maximum power point of a photovoltaic array

  • US 10,581,340 B2
  • Filed: 08/01/2016
  • Issued: 03/03/2020
  • Est. Priority Date: 07/31/2015
  • Status: Active Grant
First Claim
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1. A solar drive system, comprising:

  • at least one photovoltaic array generating a DC current;

    at least one inverter electrically connected to the at least one photovoltaic array for inverting the DC current into an AC current; and

    at least one electric motor electrically connected to the at least one inverter which supplies the at least one electric motor with the AC current;

    at least one sensor element for detecting a present rotational frequency of the at least one electric motor, the at least one sensor element being arranged on the at least one electric motor and being connected to the at least one inverter by wire or wireless;

    wherein the at least one inverter is configured to track a maximum power point of the at least one photovoltaic array by performing a Perturb and Observe Maximum Power Point Tracking method and to determine a step direction of the Perturb and Observe Maximum Power Point Tracking method using the present rotational frequency of the at least one electric motor.

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