MPPT control method based on butterfly optimization algorithm
An optimization algorithm and control method technology, applied in the field of solar power generation, can solve the problems of complex algorithm, misjudgment, complex function, etc., to achieve the effect of improving the convergence speed, improving the tracking accuracy, and alleviating the size of the oscillation
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[0040] Because the butterfly optimization algorithm (BOA) formula in the swarm intelligence algorithm is less and the principle is easier, for this reason, the present invention provides a kind of MPPT control method based on butterfly optimization algorithm, this method uses improved butterfly optimization algorithm to replace traditional MPPT Algorithms can solve the problem of maximum power tracking in partial shadows.
[0041] For MPPT, the boost module of the maximum power tracking circuit uses a traditional Boost topology circuit. Its structure includes photovoltaic array (PV Array), input capacitor, diode, output capacitor, MPPT controller, switch tube and other components.
[0042] 1) Mathematical model of photovoltaic cells:
[0043] Taking a single photovoltaic cell as an example, the output current of the photovoltaic cell in its equivalent circuit can be expressed as:
[0044]
[0045]
[0046] I in formula (1) pv is the photogenerated current; I o is the...
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