Photovoltaic electricity generating assembly optimized monitoring method and photovoltaic electricity generating assembly optimized monitoring system

A photovoltaic module, photovoltaic power generation technology, applied in photovoltaic power generation, photovoltaic system monitoring, photovoltaic modules and other directions, can solve the problems of system networking, lack of component power monitoring technology, etc.

Inactive Publication Date: 2016-03-16
FIBRLINK NETWORKS +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, these photovoltaic module optimization monitoring systems have technical deficiencies and gaps in system networking and module power monitoring.

Method used

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  • Photovoltaic electricity generating assembly optimized monitoring method and photovoltaic electricity generating assembly optimized monitoring system
  • Photovoltaic electricity generating assembly optimized monitoring method and photovoltaic electricity generating assembly optimized monitoring system
  • Photovoltaic electricity generating assembly optimized monitoring method and photovoltaic electricity generating assembly optimized monitoring system

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Embodiment Construction

[0047] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0048] As an embodiment of the present invention, see figure 1 As shown in FIG. 2 , it is a schematic flowchart of a method for optimizing and monitoring a photovoltaic power generation module in an embodiment of the present invention. The method for optimizing and monitoring photovoltaic power generation components includes:

[0049] Step 101, obtain the parameters of the photovoltaic module, and calculate the fill factor that can represent the degree of aging.

[0050] In an embodiment, the parameters obtained for the photovoltaic assembly include the short-circuit current I of the photovoltaic assembly under standard test conditions SC and the current I at the maximum power point m , and the open circuit voltage U o...

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Abstract

The invention discloses a photovoltaic electricity generating assembly optimized monitoring method and a photovoltaic electricity generating assembly optimized monitoring system. The method comprises the following steps of obtaining a photovoltaic assembly parameter; calculating a filling factor capable of expressing the aging degree; and judging whether the filling factor exceeds a preset threshold or not. According to the judging result, the aging degree of the photovoltaic assembly is serious if the filling factor exceeds the preset threshold; and the photovoltaic assembly is in a short-circuit state or the aging degree is slight if the filling factor does not exceed the preset threshold. Therefore the photovoltaic electricity generating assembly optimized monitoring method and the photovoltaic electricity generating assembly optimized monitoring system can realize the monitoring and the diagnosis on the work state of the photovoltaic assembly.

Description

technical field [0001] The invention relates to the field of new energy, in particular to a method and system for optimizing and monitoring photovoltaic power generation components. Background technique [0002] Solar photovoltaic power generation is a form of power generation that uses the photovoltaic effect of solar cells to directly convert solar radiation energy into electrical energy. At present, problems such as the shortage of fossil energy, serious environmental pollution and global climate change are becoming more and more prominent, and the development of world energy is showing a new trend of clean, low-carbon and high-efficiency. my country's solar energy resources are similar to those of the United States, much superior to Europe and Japan, and have extremely broad development potential. In recent years, they have entered a period of rapid development and become a new growth point. The development and utilization of solar energy is in line with my country's en...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02S50/10
CPCH02S50/00Y02E10/50
Inventor 李思维王春梅王茜
Owner FIBRLINK NETWORKS
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