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A test method for incident angle influence factors of photovoltaic modules

A photovoltaic module and influencing factor technology, which is applied in the monitoring of photovoltaic systems, photovoltaic power generation, photovoltaic modules, etc., can solve the problems of complex power generation performance methods, large deviation of measurement results, and many human interference factors, so as to optimize the performance of components. , Improve the efficiency of work and the effect of accurate test results

Active Publication Date: 2018-04-06
TRINA SOLAR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims at technical problems in the prior art, such as complex methods for measuring solar incident angle and photovoltaic module power generation performance, many human interference factors, large deviation of measurement results, etc., and provides a photovoltaic module incident angle influencing factor test device, which simplifies the measurement steps , so that the measurement results are more accurate; another aspect of the present invention also provides a method for testing the incident angle influencing factors of photovoltaic modules

Method used

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  • A test method for incident angle influence factors of photovoltaic modules
  • A test method for incident angle influence factors of photovoltaic modules
  • A test method for incident angle influence factors of photovoltaic modules

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Embodiment 1

[0038] Such as Figure 1-2 As shown, the photovoltaic module incidence angle influencing factor test device of the present invention includes a dual-axis tracking bracket 1 with pitch angle drive and rotation angle drive, and the photovoltaic module 100 to be tested is installed on the dual-axis tracking bracket. On the photovoltaic module 100 Temperature sensors 2 are arranged on the back of each photovoltaic module 100. As a preference, several temperature sensors 2 are arranged at intervals on the back of each photovoltaic module 100 to collect temperature information of photovoltaic modules at multiple points to make the measurement results more accurate.

[0039] A plurality of photovoltaic modules 100 are installed on the biaxial tracking bracket, four in this embodiment, and a mounting base 11 is arranged on the biaxial tracking bracket 1, and the mounting surface of the mounting base is on the same plane as the mounting surface of the photovoltaic module On the mountin...

Embodiment 2

[0045] Another aspect of the present invention provides a method for testing the influence factor of incident angle of photovoltaic modules, comprising the following steps:

[0046] S1: Install the photovoltaic module to be tested on the biaxial tracking bracket of the test device;

[0047] S2: Connect and check the temperature sensor, meteorological tracking measuring instrument, total irradiance meter and inclination measuring instrument, component short-circuit current test module, and check whether the communication between each sensor, instrument and functional module and the industrial computer in the acquisition control cabinet is normal;

[0048] S3: Adjust the pitch angle and rotation angle of the dual-axis tracking bracket through the acquisition control cabinet until it is fixed at the incident angle θ that needs to be tested;

[0049] S4: Use the multi-channel data acquisition instrument in the acquisition control cabinet to automatically record the component tempera...

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Abstract

The invention discloses a photovoltaic assembly incident angle impact factor test device. The test device comprises a double-shaft tracking support having a pitch angle drive and a rotation angle drive, wherein a photovoltaic assembly to be tested is installed on the double-shaft tracking support. The test device is characterized in that a temperature sensor is arranged on the back surface of the photovoltaic assembly; the double-shaft tracking support is provided with a weather tracking measurement instrument, a total radiation gauge, a dip angle measurement instrument and an assembly short-circuit current test module. The test device also comprises a collection control cabinet for collecting and recording a numerical number, and calculating and outputting a control instruction. The invention also discloses a photovoltaic assembly incident angle impact factor test method. By adopting the method and device, the information of various factors influencing the performance of the photovoltaic assembly can be automatically acquired and calculated by virtue of an industrial personal computer of the collection control cabinet so as to obtain an accurate incidence angle impact factor value; the test is simple and accurate.

Description

technical field [0001] The invention relates to a photovoltaic testing method, in particular to a testing method for incident angle influencing factors of photovoltaic components, which belongs to the technical field of solar photovoltaic components. Background technique [0002] As a low-carbon renewable energy source, solar energy is booming all over the world, and the installation volume in various countries is increasing year by year. The photovoltaic system converts solar energy into direct current by installing photovoltaic modules to receive sunlight energy, and then converts direct current into alternating current through photovoltaic inverters. The power generation of photovoltaic modules directly affects the income of owners of photovoltaic power plants. Professional companies and organizations in the industry are conducting research on the improvement of high power generation of modules. [0003] The power generation of photovoltaic modules is affected by many fa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02S50/10
CPCH02S50/00Y02E10/50
Inventor 夏登福张莹全鹏
Owner TRINA SOLAR CO LTD
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