Fault detection method, device and system for photovoltaic module
A photovoltaic module and fault detection technology, applied in the monitoring of photovoltaic systems, photovoltaic power generation, photovoltaic modules, etc., can solve problems such as failure to meet the needs of fault detection, single fault types, and failure to detect fault types
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[0090] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0091] The invention provides a photovoltaic module fault detection method, which is applied to a controller, and the controller communicates with each photovoltaic module to realize the detection of photovoltaic module faults caused by abnormal performance parameters, and can also detect faults according to multi-dimensional performance parameters The influence of the current characteristic value determines the fault type of the photovoltaic module, and realiz...
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