TOPCon模块中的UVID预防——来自资产所有者的见解和策略.pdf

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1、 ENERPARC AG SOLAR FORTHE FUTUREUVID prevention in TOPCon modules Insights and strategies from an asset owners perspective ENERPARC AG Focuso Founded in 2008,we have focused on planning,engineering,execution and operation of utility scale PV power plantsExperienceo Team of more than 600 professional

2、s,comprising 150 engineers vastly experienced in PV and with diverse cultural backgroundsTrack Recordo More than 5GW solar assets build in Europe,India,USA,Australia and AsiaMarket Accesso Leading renewable energy producer(IPP)with an own portfolio of 4GW solar power plantsENERPARC AG2Experienced So

3、lar Photovoltaic Specialist ENERPARC AG RECENT MILESTONES IN MODULE DEVELOPMENTPolymer back sheets are replaced by glass,glass-glass modules for bifacial use,thinner front glassBack glass that is not good enough or not matching the normal use needs,shows increased breakage ratesDriven by performance

4、 increase and cost reductionChange from full cell design to half cut cell design Weak soldering of junction boxes is resulting in burned modules(Lost bypass diodes/LBPD)Cell technologies as N-type TopCon have taken the leadIncreased levels of UV induced degradation with TopConbased cells was found m

5、etastability is becoming the new“buzz word”3 ENERPARC AG+50%-25%4Asset owners need a reliable forecast of energy yield for a functioning business modelStandard PV business models have a single digit ROI per yearAn unexpected additional underperformancecan make the business model unprofitable(like lo

6、w initial STC+UVID)Such an underperformance can shrink the margineasily by 50%,which makes the project ineffectiveGood performing assets have an average module power degradation of 5%at sample tests(UV60)We see a trend to lower initial starting power of modules,metastability makes tests more challen