Parameter extraction method of silicon cell photovoltaic assembly five-parameter model
A five-parameter model, photovoltaic module technology, applied in photovoltaic modules, electrical digital data processing, photovoltaic system monitoring and other directions, can solve the problems of large amount of calculation in the iterative process, not provided by parameter manufacturers, and not universal.
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[0071] The present invention will now be described in detail in conjunction with the accompanying drawings and specific embodiments.
[0072] The parameter extraction method of the five-parameter model of the silicon cell photovoltaic module of the present invention comprises the following steps:
[0073] 1. The equivalent circuit of an ideal single diode solar cell can be expressed as figure 1 As shown, according to Holkeeffe's current law:
[0074] I = I ph - I D - I sh = I ph - I o { exp ( V + IR s a ) - 1 } - ...
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