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Method for testing rated working temperature of component battery under non-standard environment condition

A technology for rated work and testing components, applied to thermometers, thermometers with directly heat-sensitive electric/magnetic components, measuring devices, etc., can solve problems such as inability to accurately reflect the rated working temperature of components

Active Publication Date: 2011-08-03
TRINA SOLAR CO LTD
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Problems solved by technology

[0002] The rated operating temperature test of the sample module, that is, the NOCT test, the test process of the conventional basic method and the reference plate method is: the sample module is installed on an open bracket, and the temperature of the two cells in the middle of the module is measured to reflect the temperature of the whole module. temperature, such tests do not accurately reflect the actual rated operating temperature of the component

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  • Method for testing rated working temperature of component battery under non-standard environment condition
  • Method for testing rated working temperature of component battery under non-standard environment condition
  • Method for testing rated working temperature of component battery under non-standard environment condition

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Embodiment Construction

[0044] A test square array is designed as an n×n array, and test components are installed in the middle, and the installation of the test components must be detachable. When n is an odd number, the installation position of the test component is as follows figure 1 shown. When n is an even number, the installation position of the test component is as follows figure 2 shown.

[0045] Select a number of representative test points in the test component, and set a thermocouple to measure the temperature at the test point. The location requirement of the thermocouple is mainly based on the idea that the location of the test point must be representative and can fully represent the temperature of the battery in other locations of the module. 6×6 crystalline silicon solar cell module, press on the back figure 1 Arrange thermocouple points as shown; make a sample with a length or width of 0.5m ~ 0.8m for a thin-film solar cell module. During the production process, preset at least ...

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Abstract

The invention relates to a method for testing the rated working temperature of a component battery under the non-standard environment condition, comprising the following steps of, firstly, recording an average value T1 of the temperatures tested by a thermocouple, an average value T2 of the temperatures of all battery slices, an average value T3 of the temperatures of battery slices at the thermocouple, and the junction temperature of the battery slices TJ=T1+(T2-T3) at a certain moment; secondly, in an open circuit state, recording the junction temperature TJ of the battery slices at the certain moment, the environment temperature Tamb, the irradiance G, the wind speed V and a wind direction; thirdly, with regression fitting analysis, calculating a value of TJ-Tamb when G=800W / m2, wherein the value plus 20 DEG C is equal to a provisional value of the rated working temperature; and fourthly, finding out a suitable correction factor, wherein an intraday rated working temperature value of the component is Ti=provisional value of the rated working temperature+the correction factor, and an average value of Ti test results of many days is the rated working temperature of the component.The rated working temperature of the component obtained through the method is more accurate and can supply more effective parameters when a solar battery component, in particular to a building integrated photovoltaic (BIPV) component is estimated.

Description

technical field [0001] The invention relates to a method for testing the rated operating temperature of component batteries under non-standard environmental conditions. Background technique [0002] The rated operating temperature test of the sample module, that is, the NOCT test, the test process of the conventional basic method and the reference plate method is: the sample module is installed on an open bracket, and the temperature of the two cells in the middle of the module is measured to reflect the temperature of the whole module. temperature, such tests do not accurately reflect the actual rated operating temperature of the component. Therefore, the applicant applied for a component sample test matrix for component performance testing, the application number is: 201020548668.7, such as figure 1 with 2 As shown, it includes solar cell components and one or more test components of additional testing devices, and the components are detachably connected to form an n×n c...

Claims

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Application Information

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IPC IPC(8): G01K7/02
Inventor 肖桃云张臻
Owner TRINA SOLAR CO LTD
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