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Method for detecting simulation efficiency of solar photoelectric module

A technology of photoelectric modules and detection methods, applied in photovoltaic modules, photovoltaic system monitoring, photovoltaic power generation, etc., can solve problems that affect economic benefits, solar photovoltaic modules cannot generate power, and have inefficiencies, and achieve economic benefits.

Active Publication Date: 2020-05-26
EXTEL ENERGY CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But this method is not only inefficient, but also affects the economic benefits because the solar photovoltaic modules cannot generate electricity during dismantling

Method used

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  • Method for detecting simulation efficiency of solar photoelectric module
  • Method for detecting simulation efficiency of solar photoelectric module

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Embodiment Construction

[0027] Below, refer to Figure 1 to Figure 2 The method for testing the simulation efficiency of the solar photovoltaic module of the present invention will be described. figure 1 It is a process diagram for explaining the simulation performance detection method of the solar photovoltaic module of the present invention. figure 2 It is a diagram for explaining the procedure of creating a correction table. In addition, the symbols used in the present invention will be described below. The symbols described below apply to the entire content of the present invention.

[0028] Q: the actual power generation efficiency under actual use conditions; Q A : the best power generation efficiency under actual use conditions; W A : The efficiency ratio of the actual power generation efficiency of the solar photovoltaic module to the optimal power generation efficiency; W A% :W A Efficacy percentage; W f% : power generation efficiency percentage under the simulated standard test cond...

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Abstract

The invention provides a method for detecting the simulation efficiency of a solar photoelectric module. The method comprises the steps of measuring the actual power generation efficiency of the solarphotoelectric module under an actual use condition; calculating the optimal power generation efficiency of the solar photoelectric module under the actual use condition according to a formula (A), wherein the formula (A) is as follows: QA=S*(F / 1000)*[1-C*(T-TS)]; calculating the efficiency ratio of the actual power generation efficiency to the optimal power generation efficiency of the solar photoelectric module according to a formula (B), wherein the formula (B) is as follows: WA=Q / QA; and correcting the efficiency ratio for different illumination intensities based on a correction table to simulate the power generation efficiency ratio of the solar photoelectric module under a standard test condition, wherein QA is the optimal power generation efficiency under the actual use condition, Sis the rated power, F is the measured illumination intensity, C is the power temperature coefficient, T is the actual temperature, TS is the standard temperature, WA is the efficiency ratio of the actual power generation efficiency to the optimal power generation efficiency of the solar photoelectric module, and Q is the actual power generation efficiency.

Description

technical field [0001] The invention relates to a simulation performance detection method of a solar photoelectric module, in particular to a simulation performance detection method that can obtain test results equivalent to those in the laboratory without dismantling the solar photovoltaic module at the detection site and returning it to a laboratory for testing. Background technique [0002] Energy is an important dependent factor in human life. In the history of human development, it is inevitable to think about how to effectively manage the use of energy at any time. Since the industrial revolution, fossil fuels (i.e. oil) have become the main source of energy for human beings. However, with the gradual depletion of oil resources, extreme climate change caused by the greenhouse effect, and the imbalance of the ecosystem, countries around the world are actively developing alternative energy sources, such as solar energy, wind energy, geothermal energy, hydropower, etc., ...

Claims

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Application Information

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IPC IPC(8): H02S50/10
CPCG01R31/2601Y02E10/50
Inventor 陈进雄林培钦颜来平蒋瑞康李金颖林献章
Owner EXTEL ENERGY CO LTD
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