PV solar modules testing instrument temperature and humidity

test chamber for lab use

Brief Introduction for PV Modules test standards

The designed usage time for solar cell module is about 20~30years , and the reliability test is the simulation of the earth's surface photovoltaic modules (crystalline silicon and amorphous silicon thin film, concentrating) design verification, can let the module long-term operating more than 20 years in a general climate , specification requires that solar cells module do test below :

Thermal cycle test;

Humidity-freeze test;

Damp Heat;

To confirm the solar cell can withstand high temperature and high humidity level with the minus temperature influence, as well as for repeated change caused by the temperature and thermal fatigue failure, in addition to determine solar cells resistant to moisture long-term penetration ability of the test equipment design and ability to meet the relevant standards below:

(IEC61646 , IEC61416 ,IEC61215 , UL1703 , IEC62108 , IEEE1513 ,IEC61730 etc ) .

Related Standard

IEC61215, IEC61646, IEC62108

UL1703, GB9535, GB18911 Test A: Damp-heat (3000H)

IEC61215, IEC61646, IEC62108,

UL1703, GB9535, GB18911 Test B : Humidity-Freeze Test (400H)

IEC61215, IEC61646, IEC62108,

UL1703, GB9535, GB18911 Test C: Thermal Cycling (1200H)

Silicon Solar Energy :IEC61215, UL1703 , GB9535

Thin Film Solar Cell:IEC61646, GB18911

Concentrating Solar Power :IEC62108 , IEEE1513

Damp Heat :

Condition :temperature 90 ±2 ℃ , humidity: 90% ±5% R.H.

Testing last for 1000h ,

P.S.: ASLi chamber can meet temperature 95 ±2 ℃ , humidity: 95% ±5% R.H.

Purpose:To determine the ability of the module to withstand the effects of long-term penetration of humidity.

Humidity-freeze test

Purpose:The purpose of this test is to determine the ability of the module to withstand the effects of high temperature and humidity followed by sub-zero temperatures. This is not a thermal shock test

Test points:low temperature -40℃,high temperature 85℃

Max temperature rising speed rate:200℃/Hour=3.33/min

Max temperature falling speed rate:200℃/Hour=3.33/min

24 hours per cycle,testing for 10 cycles, 240 hours(10 days)

Thermal cycle test;

Test points:low temperature :-40℃,high temperature:85℃

Temperature falling/rising speed rate:100℃/Hour=1.67℃/min

6 hours per cycle, testing last 50~200 cycles

Total testing time last 300 to 1200 hours (12.5 to 50 days )

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