Abnormality detection method, abnormality detection apparatus, a

Details Abnormality detection method, abnormality detection apparatus, a Abnormality detection method, abnormality detection apparatus, a

1995-04-10

1997-09-23

Weisstuch, Aaron

Batteries: thermoelectric and photoelectric

Photoelectric

Panel or array

136290, 136293, H01L 31042

Patent

active

056699875

ABSTRACT:
It is an object of the invention to accurately detect a defective photoelectric conversion element regardless of the installation place and indicate the corresponding information. The above object can be achieved by a power generating system having a solar cell array constituted by a plurality of parallel-connected solar cell strings each consisting of a plurality of series-connected solar cell modules. The system includes electrical parameter detection units for measuring electrical parameters in solar cell strings, a comparing unit for mutually comparing the detected electrical parameters, and a unit for warning of an abnormality on the basis of the comparison result.

REFERENCES:
"Experimental Detection of Module Failure in Large Photovoltaic Arrays"; by P. Spirito et al.; Comm. of European Communities, 9th E.C. Photovoltaic Conference. Sep. 25-29, 1989; Freiburg, West Germany; pp. 209-211.
"Detecting Solar-Cell Failures"; T.J. Maloney; NTIS Tech Notes; No. 9-B; Sep. 1984, Springfield, VA, USA, p. 678.

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