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光伏组件PID测试的新闻&旧闻

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光伏佳人 发表于 2013-2-28 01:01:08 |显示全部楼层
2012年2月2日:德国TÜV莱茵认证宣布Centrosolar组件PID效应。
德国莱茵TÜV已经证实,Centrosolar的组件测试的PID(电势差诱导降解)减少的性能不到1%,轻松地通过了测试,一般认为低于一5%的功率降低则在性能上认为无PID效应。
由于漏电流泄漏和发展,从组件中到边框可以发生,导致短路,PID导致低于设计的系统的性能。
centrosolar组件,在负1000伏特电压下7天,室温下进行了测试,然后与另一个参考组件相比较。
“优秀的PID测试的结果只是再次说明我们的组件式高品质的,Centrosolar董事总经理约翰内斯·奈普博士说。“我们根据TÜV相同的标准检查电池和组件的生产设施。我们只提供系统,保证无PID效应”。
Centrosolar是总部位于德国的光伏组件制造商,宣称第一个进行了PID测试,并通过 4个独立的测试机构测试,包括德国莱茵TÜV,并已经开发出晶硅光伏组件PID的测试程序。
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光伏佳人 发表于 2013-2-28 01:04:39 |显示全部楼层
2012年3月12日,UL认证Mage太阳能组件的PID效应

光伏发电系统和组件供应商Mage太阳能透露,其POWERTEC Plus组件的系列在2011年年底前通过美国保险商实验室(UL)的PID认证,本次测试在UL的新伊森堡工厂在年底进行,证实了公司的组件功率损失对高电压,温度和湿度不敏感。此测试的条件为当前指定-1,000 V,25℃下和85%的湿度。Mage的单和多晶组件取得de 阶段性成果表明,它们在这些标准试验条件下,失去的额定功率小于5%,因此它们被认为已通过PID电阻测试。
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光伏佳人 发表于 2013-2-28 01:12:58 |显示全部楼层
2012年5月9日新闻,光伏组件PVEL实验室宣布推出新的PID认证计划。
加拿大太阳能已经成为第一个通过新严格的美国太阳能组件PID测试实验室的太阳能公司。PVEL实验室推出的认证计划的目的是告知组件制造商和项目开发商对复杂系统的电压,导致模块故障模块降解。
PID认证计划是将组件经历电压电流和高温湿度的测试,将组件经受最大系统电压600V。PID证书的规定要求定期复验。
PVEL CEO Jenya Meydbray评论说,“这种严格的侧四程序之中,我们现在知道是一种常见的户外条件影响系统的功率和发电的效率。在市场上关注产品质量水平的公司越来越多地需要第三方评估,不仅超越了大部分的内部测试能力,但也超过了IEC要求,以确保有效运作的光伏组件。“
PVEL实验室希望提高标准的太阳能光伏组件的可靠性与新的认证计划。
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光伏佳人 发表于 2013-2-28 01:13:34 |显示全部楼层
15 May 2012,Gintech launches its PID-free solution at SNEC 2012
Solar cell manufacturer Gintech Energy Corporation has announced its PID (Potential Induced Degradation) free solution at SNEC 2012 this week in Shanghai, New International Expo Center. PID-free is regarded as one of the solutions that could prevent undesired power leakage caused at high system voltages.
Gintech states its solar cells have not only passed the PID tests by its high-end European customers, but also by PI-Berlin. PV Evolution Labs also announced the launch of its new PID certification program last week.
Gintech’s current product series includes Premium Hybrid Quasi-Mono Series, High Power Douro Series, and Colorful Phoenix Series.
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光伏佳人 发表于 2013-2-28 01:14:08 |显示全部楼层
11 July 2012, 12:19
•        In News, PV Modules
Kyocera modules pass Fraunhofer PID test
•         
Fraunhofer CSP tested modules for potential induced degradation. Image: Kyocera
Kyocera’s PV modules have passed the Fraunhofer Center for Silicon Photovoltaics CSP’s PID test, the company has announced. The potential induced degradation (PID) test subjects the modules to high voltage stress to test the performance of individual modules, which can be negatively affected by PID, consequently affecting the power output of the entire system. Fraunhofer CSP has anonymously tested PV modules and Kyocera was among four types that passed the test, not showing degradation.

“As a pioneer in the industry Kyocera has been involved in R&D and manufacturing of solar power generating systems for more than 35 years, and in that time we have developed numerous innovations and manufacturing technologies to ensure the high quality and long-term durability of our products,” Tatsumi Maeda, general manager of the Kyocera Corporate Solar Energy Group, said. “With Kyocera's solar modules having been the first in the world to be certified by TUV Rheinland’s Long-Term Sequential Test, the Fraunhofer CSP test results further demonstrate the 2 industry-leading technology and reliable performance of Kyocera modules.”
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光伏佳人 发表于 2013-2-28 01:15:20 |显示全部楼层
24 July 2012, 博客消息
Two PIDs, but not from the same pod!
It would seem the quality and performance bragging rights have also migrated to cover the phenomenon known as potential induced degradation (PID). Image: Q.CELLS
Competition in the PV module bragging rights contest doesn’t stop at conversion efficiencies. Over the last few years there has been a race to provide better performance and improved manufacturer warranties. This has also led to a range of tougher and extended module testing that exceeds conventional testing and certification standards.
It would seem the quality and performance bragging rights have also migrated to cover the phenomenon known as potential-induced degradation (PID).
PID is regarded as a key problem for monocrystalline cells and modules as it reduces the high-level performance of the module.
Canadian Solar has just claimed that it was ‘among the first providers’ to have passed two high-voltage endurance tests. The Photovoltaic Institute (PI) Berlin has tested the CS6-poly-series module, while the PV Evolution Labs has tested the CS5-mono-series and the CS6-poly-series modules for PID characteristics.
According to Canadian Solar, the standard set by the PI Berlin, TÜV Rhineland and the VDE (Association for Electrical, Electronic & Information Technologies) for PID testing meant that its modules were exposed to a negative socket voltage of 1,000 volts.
While in this state, the grounded module front was covered in either aluminium foil or a layer of water. The-before-and-after performance rate was measured with a flasher under standard test conditions (STC), providing the company the top rating, PID Class A, at PI Berlin.
To provide added assurance, Canadian Solar asked PI Berlin to double the standard stress time for what it said was ‘the ultimate quality assurance.’
The standard test actually runs for a week; therefore, PI Berlin undertook the test for two weeks.
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光伏佳人 发表于 2013-2-28 01:15:38 |显示全部楼层
Now enter Q-Cells, which has also run PID tests on its modules, though it didn’t state which ones were tested. Q-Cells used TÜV Rheinland testing institute but according to the company went through a ‘fourfold’ PID test. Therefore the test lasted four weeks instead of the usual one week.
Even under this test, Q-Cells said that none of the solar modules displayed a decline in performance by accuracy of measurement (5% degradation or less), which proved the modules were PID resistant.
However, part of the problem in ‘proving’ quality, especially in respect to PID testing is that there is not an industry-wide acknowledged testing standard. In the case of Canadian Solar PID tests, these were said to have been developed in collaboration with PV Evolution.
Q-Cells' series of module tests were conducted by TÜV Rheinland and Fraunhofer CSP to those organizations' methodologies.
Both press releases from the module manufacturers were obviously designed to provide customers with the assurances that their products performed excellently and provided confidence in their long-life capabilities.
However, once again we don’t have a situation where such tests provide an apple-to-apple comparison. They're certainly not two peas from the same pod.
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光伏佳人 发表于 2013-2-28 01:16:33 |显示全部楼层
Fraunhofer CSP confirms that Q-Cells modules provide unending PID protection
The chart shows the 13 modules tested by Q-Cells has claimed that as part of a cross-sectional study with the Fraunhofer Centre for Silicon PV (CSP) in Halle, Germany, its solar modules reliably prevent the risk of solar module output loss due to potential induced degradation (PID), keeping their full output.
Fraunhofer CSP exposed 13 types of modules from various, and supposedly well-known manufacturers, to an augmented PID test. All modules had a glass-foil construction with 60, six inch polycrystalline solar cells. Q-Cells noted that of the 13 modules tested, nine modules showed an output loss - partially in excess of 90%, and, on average, a nominal output drop of 56%. The remaining four modules were the only types to not show signs of degradation with Q-Cell’s modules making it through with no output loss compared to their initial specifications.
“We are pleased with the positive results, which reflect on our long-term experience and quality claim”, said Karl Heinz Küsters, head of research and development at Q.CELLS. “Thanks to intense research activities, Q.CELLS found a solution for the PID phenomena early on and today provides a true, measurable and sustainable edge in quality to its customers by secure yields without power loss.”
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lily 发表于 2013-2-28 09:07:23 |显示全部楼层
哇,佳人好厉害啊,PID信息了解如此全面,佩服。佳人可否知道目前国内一共有多少家企业已经通过PID测试,并拿到第三方测试报道的
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有机硅测试技术 发表于 2013-2-28 14:53:18 |显示全部楼层
       2012年12月11日,PV演EL实验室宣布已经为组件制造商SolarWorld公司、天威、英利,晶澳太阳能、京瓷、常州天合光能等的太阳能电池通过了无PID效应资格认证。
       PVEL作为北美的最大的独立太阳能组件测试实验室宣布,根据其新的PID的严格测试程序进行PID试验测试光伏的可靠性,几个领先的太阳能光伏制造商已收到的代表最高水平的PID-认证。 PVEL创建的PID认证计划基于它是目前已知光伏组件的边框和电池之间的电势差可能会导致加速性能下降。最近由PVEL严格认证的有资格的制造商包括京瓷太阳能,SolarWorld公司天威英利,晶澳太阳能,天合光能(Trina Solar)。

“复杂的组件测试和表征可以展现优秀设计的好处”,Jenya Meydbray,PVEL首席执行官说: “我们的PID认证可以提供制造商和项目投资者关于光伏产品如何承受因常见原因导致性能退化和组件故障的详细情报。”

       PVEL开发创新性的新的检测项目,以提高光伏行业内的质量标准和技术项目的投资风险,特别是对于PID现象,没有全行业公认的测试标准等领域。通过测量承受暴露在恶劣的环境条件下的系统的高电压(正和负1千伏)太阳能电池板的稳定的功率输出(85˚C时,相对湿度85%,600小时),PVEL工程师确定测试组件执行远远优于允许降解的限制。在模拟系统电压时强调所安装的组件评价持续正偏压和负偏压的接地效果,制造商和电站业主在PV组件的可靠性有更大的信心,知道的组件是否被部署在适当的系统配置。
有机硅测试技术,专攻有机硅测试和质量研究,欢迎加入有机硅测试质量QQ群262228460
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