Photovoltaic cell parameter identification method based on group search algorithm
A photovoltaic cell and parameter identification technology, applied in the energy field, can solve the problems of cumbersome implementation, slow convergence speed, long optimization time of parameter identification method, etc.
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[0059] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0060] Such as figure 1 As shown, the photovoltaic cell is equivalent to a general P-N junction, and the model of the cell can be equivalent to a parallel circuit of a reverse diode and a current source. According to the schematic diagram of the photovoltaic cell mechanism model, the mathematical model of the photovoltaic cell is established, and the model is taken as the research object to deduce the unknown parameter to be identified in the mechanism model, that is, the photogenerated current I under the standard test conditions ph.ref , the diode reverse saturation current I under standard test conditions o.ref , diode quality factor A, series resistance R s , the series resistor R s with load R L Series and parallel resistance R sh , parallel resistance R sh in parallel with diode A, and with the rms error R MSE is the obje...
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