Zero-adverse-current predicting method for photovoltaic microgrid common-grid application system

Zero-adverse-current predicting method for photovoltaic microgrid common-grid application system

  • CN 102,684,136 A
  • Filed: 03/15/2011
  • Published: 09/19/2012
  • Est. Priority Date: 03/15/2011
  • Status: Active Application
First Claim
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1. the zero adverse current Forecasting Methodology of the little electrical network common network of a photovoltaic application system is characterized in that comprising the steps:

  • Step 1, reception are also handled electrical network, the load data of measuring from each parameter detecting unit and are comprised PV cell voltage, electric current, inverter output voltage, current measurement data, and ambient temperature, day illumination add at that time season, time parameter;

    Step 2, carry out each item detected parameters and preset parameter, carry out to calculate the equivalent rounding according to the requirement of SVMs regression Calculation;

    Step 3, carry out the SVMs regression Calculation, draw,, send and be about to take place the reverse power control signal, with this prediction that moves in circles when this time during less than sampling predetermined period of setting with generation adverse current predicted time.

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