Error correction method for dynamic MPPT (maximum power point tracking) efficiency test on photovoltaic inverter
A photovoltaic inverter and efficiency testing technology, applied in the field of electric power, can solve the problem of inaccurate dynamic MPPT efficiency testing of photovoltaic inverters, etc., and achieve the effect of solving the deviation of the output I-V curve and accurate testing
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[0043] The specific embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0044] Such as figure 1 Shown, a kind of error correction method of dynamic MPPT efficiency test of photovoltaic inverter, described method comprises:
[0045] (1) According to the measured photovoltaic inverter capacity and matching component type, select the P-V curve model output by the photovoltaic simulation simulator under the STC condition; select the P-V output by the photovoltaic simulation simulator under the STC condition in the described step (1) The curve model is shown in the following formula:
[0046] I P V = I S C - I 0 ( e U P ...
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