China Sunergy modules pass PID test

On September 27th, 2012, China Sunergy Co. Ltd. (Nanjing, China) announced that its solar photovoltaic (PV) modules passed the potential induced degradation (PID) test.

The PID test was conducted by TUEV Rheinland Group to assess loss of power output of solar modules under severe conditions of high voltage, high temperature and high humidity.

Under the PID test conditions, China Sunergy’s modules were exposed to 1,000 volts of bias voltage for 96 hours at a temperature of 60 degrees Celsius and relative humidity of 85%. In order to pass this extreme test, the maximum degradation of power output between initial and final measurement should not exceed 5%, while the test result of the company’s modules is only 0.1%, China Sunergy states this is well beyond the standard.

“We are happy to get passed with such superior results. The PID test is an important indicator to prove the quality and reliability of our modules. China Sunergy has also achieved a number of certifications over the years, which attests to our outstanding product quality and continuous improvement in product performance,” China Sunergy Chief Executive Officer (CEO) Stephen Cai stated

“We are not just focusing on efficiency, but also on safety and quality. We believe these are the main reasons why customers are loyal to us and why we have been able to expand into new markets despite the current challenging market conditions.”

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