Convergence detecting method and system for convergence box and solar power station
A detection method and technology of solar battery packs, which are applied in the field of solar power generation, can solve problems such as high current value exceeding the limit, failure to detect solar battery string faults, high fault false detection rate, etc., and achieve the effect of improving accuracy
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[0035] reference figure 1 The figure shown is a part of a solar power station, that is, only a part of the photovoltaic array composed of two levels of confluence is shown. In practical applications, the photovoltaic array can continue to increase the level of confluence. The connection mode of the components in the photovoltaic array in this embodiment is: x (x≥1) solar panels form a solar battery string, and a first-level confluence of n-in-1 is adopted, that is, n solar battery strings pass through the same first-stage The input terminal 1 to the input terminal n of the combiner box are combined, and at the same time, the secondary combiner with m input 1 is adopted, that is, the current output from the output terminals of m primary combiner boxes passes through the input terminal 1 of the same secondary combiner box to the input The terminal m carries on the confluence, and finally is uniformly output from the output terminal of the secondary combiner box. i represents the...
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