Method for evaluating health degree of photovoltaic cell panel set strings

A technology of photovoltaic panels and evaluation methods, applied in the monitoring of photovoltaic power generation, photovoltaic modules, photovoltaic systems, etc., can solve the problems of insufficient string monitoring, asynchronous data information, and few data types, and achieve rich data types, The effect of good real-time performance and large amount of data

Active Publication Date: 2016-02-17
SINENG ELECTRIC CO LTD
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Problems solved by technology

As the string is the core conversion equipment for photovoltaic to electricity, there are very few monitoring methods for the failure of the photovoltaic power station itself.
The existing photovoltaic power station monitoring system is not enough to monitor strings, the types of monitored data are small, the amount of monitored data is small, the real-time performance o

Method used

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  • Method for evaluating health degree of photovoltaic cell panel set strings
  • Method for evaluating health degree of photovoltaic cell panel set strings
  • Method for evaluating health degree of photovoltaic cell panel set strings

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[0038] The present invention will be further described below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, the drawings only show some but not all of the contents related to the present invention. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0039] Please refer to figure 1 shown, figure 1 A flowchart

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Abstract

The invention discloses a method for evaluating the health degree of photovoltaic cell panel set strings. The method comprises a step S101 of collecting PV characteristic curve data of each set string; a step S102 of calculating set string dispersion; a step S103 of calculating set string dispersion speed; a step S104 of calculating set string attenuation rate; and a step S105 of calculating set string attenuation speed. According to the method, the health degree of the photovoltaic cell panel set strings of a whole power station is monitored comprehensively, the monitored data categories are rich, the monitored data volume is large, monitored data have good real-time performance, and users can master quality of the photovoltaic cell panel set strings of the whole power station and follow-up development conditions comprehensively in real time.

Description

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Claims

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Owner SINENG ELECTRIC CO LTD
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