本書主要介紹光伏組件典型環(huán)境檢測技術,內容概括了近六年來通過技術攻關和平臺建設,在國內首次建立的經認證認可委CNAS認可第三方檢測技術,主要包括光伏組件箱模擬運輸實驗、太陽能組件不均勻雪載檢測技術、光伏組件高風速砂塵檢測、太陽能電池片和組件不同角度入射光性能檢測、雙面光伏組件I-V特性檢測。以上檢測技術獲得國內認證單位、企業(yè)用戶的廣泛認可,為中國光伏企業(yè)研發(fā)滿足典型戶外環(huán)境光伏產品提供了檢測和評測平臺,促進了中國光伏產品研發(fā)和技術進步。本書同時將相關的檢測技術最新國際標準進行了講解,并結合檢測結果進行了分析,具有很好的示范性。另外與以上檢測技術密切相關其他常用檢測技術,如光伏組件風載試驗、組件熱斑和二極管功能性檢測技術的檢測標準、檢測技術和檢測方法一起做了介紹。本書適合光伏組件研發(fā)、生產和檢測的企事業(yè)單位從業(yè)人員使用。
2008年畢業(yè)于南開大學,2012年進入中國信息通信研究院,2013年10月獲評高級工程師,現任能源與環(huán)境測評部主任。本人追求技術進步和業(yè)務能力提升,并取得以下成績:(一)深入研究和開發(fā)檢測技術和檢測設備,主持完成中國信息通信研究院檢測認證專項(一類,每項65萬元經費)四項,均獲得信通院前兩名的好成績;(二)自主研發(fā)的檢測設備在高風速沙塵檢測、光伏組件箱模擬運輸檢測、雙面光伏組件雙側輻照性能測試、光伏組件多角度測試、太陽能組件不均勻雪載檢測技術均填補國內空白。相關檢測能力為國內首次獲得認監(jiān)委CNAS和CMA資質授權單位,并唯一獲得TUV、UL美華、德國VDE、加拿大CSA和SGS通標等認證機構的認可和檢測授權。(三)自2015年主持能源與環(huán)境測評部工作,部門檢測業(yè)務收入均超額完成年度指標,檢測入賬收入由2015年的1500萬元逐年增加到2019年的3200萬元;新能源產品年檢測收入由2014年二十萬元逐年提升,2017年和2019年連續(xù)超過1000萬元,經濟和社會效益顯著。(四)作為第一作者或者通訊作者發(fā)表SCI文章六篇和EI一篇,另作為第二作者發(fā)表SCI文章四篇,分別獲得2017年和2018年信通院優(yōu)秀學術論文獎勵(排第一名)。(五)第一發(fā)明人和第二發(fā)明人授權發(fā)表專利各一項。(六)為中科院光電研究院提研發(fā)近空間穩(wěn)態(tài)光源模擬器,經中國計量院計量,滿足中科院重大任務局重點項目《高空用薄膜太陽電池評檢》技術參數要求,為空間通信電源技術研發(fā)做出貢獻。
第 1 章 太陽能電池和光伏組件的結構及工作原理 ·················································1
1.1 太陽能電池簡介 ·····························································································1
1.2 光伏組件結構 ·································································································3
1.3 光伏組件的工作環(huán)境 ·····················································································5
第 2 章 光伏組件高風速砂塵檢測技術 ·····································································9
2.1 中國自然環(huán)境和適用光伏組件的典型環(huán)境··················································9
2.2 高風速砂塵試驗方法和檢測流程································································11
2.2.1 試驗設備·······························································································13
2.2.2 試驗步驟·······························································································15
2.2.3 注意事項·······························································································16
2.2.4 試驗設計·······························································································16
2.3 高風速砂塵對光伏組件性能影響的數據分析············································17
2.3.1 外觀檢查·······························································································17
2.3.2 吹砂試驗前最大功率檢測·······································································17
2.3.3 吹砂試驗前電安全性檢測(絕緣、濕漏電流和接地連續(xù)性檢測)·············17
2.3.4 吹砂試驗前 EL 檢測···············································································18
2.3.5 吹砂試驗·······························································································19
2.3.6 吹砂試驗后最大功率檢測·······································································19
2.3.7 吹砂試驗后電安全性檢測(絕緣、濕漏電流和接地連續(xù)性檢測)·············19
2.3.8 吹砂試驗后 EL 檢測···············································································19
2.4 總結 ···············································································································21
參考文獻 ················································································································21
第 3 章 光伏組件不均勻雪載檢測技術 ···································································24
3.1 光伏組件不均勻雪載試驗 ···········································································24
3.2 不均勻雪載試驗方法 ···················································································25
3.2.1 試驗流程·······························································································26
3.2.2 不均勻雪載的壓強分布和計算方法 ·························································28
3.2.3 雪載設備 ································································································35
3.3 數據分析 ·······································································································36
3.3.1 PV2~PV6 壓強變化規(guī)律········································································36
3.3.2 PV2~PV6 位移量變化規(guī)律 ····································································38
3.3.3 PV7 數據分析························································································40
3.4 總結 ···············································································································40
第 4 章 光伏組件熱斑耐久性試驗和旁路二極管功能檢測技術 ···························42
4.1 熱斑的形成和光伏組件級聯分類································································42
4.2 光伏組件熱斑耐久性試驗檢測設備····························································44
4.3 晶體硅光伏組件熱斑檢測 ···········································································45
4.3.1 晶體硅光伏組件熱斑檢測流程································································45
4.3.2 晶體硅組件熱斑耐久性試驗結果分析······················································47
4.3.3 小結······································································································54
4.4 光伏組件旁路二極管功能試驗方法····························································54
4.4.1 旁路二極管功能試驗遮擋檢測原理 ·························································55
4.4.2 不同光伏組件及內部電路結構示例 ·························································57
4.4.3 不同內部電路結構的光伏組件遮擋位置分析············································58
4.4.4 旁路二極管功能試驗分析·······································································62
4.4.5 小結······································································································63
第 5 章 光伏組件箱模擬運輸檢測技術 ···································································64
5.1 光伏組件箱模擬運輸檢測技術的重要作用················································64
5.1.1 研究背景及意義 ····················································································64
5.1.2 光伏組件箱模擬運輸檢測的目標與主要內容············································66
5.2 光伏組件箱模擬運輸試驗的理論基礎························································67
5.2.1 模擬運輸的試驗原理··············································································67
5.2.2 模擬運輸試驗環(huán)節(jié)與各項參數································································67
5.3 光伏組件箱模擬運輸檢測數據和結果分析················································71
5.3.1 光伏組件箱模擬運輸檢測的主要內容······················································71
5.3.2 光伏組件箱模擬運輸試驗·······································································73
5.3.3 環(huán)境試驗·······························································································74
5.3.4 檢測結果和數據分析··············································································76
5.4 光伏組件箱模擬運輸檢測注意事項····························································82
5.4.1 普通單玻帶邊框光伏組件的包裝注意事項···············································82
5.4.2 雙玻無邊框光伏組件的包裝注意事項······················································82
參考文獻 ················································································································83
第 6 章 太陽光入射角對光伏組件光電特性的影響 ···············································84
6.1 太陽光入射角對太陽能電池光電特性影響的研究····································84
6.1.1 研究背景·······························································································84
6.1.2 研究現狀·······························································································86
6.1.3 研究內容與意義 ····················································································87
6.2 試驗方法 ·······································································································88
6.2.1 檢測設備與光伏組件··············································································88
6.2.2 光伏組件性能檢測 ·················································································90
6.3 試驗結果與分析 ···························································································94
6.3.1 太陽光入射角對光伏組件光電特性的影響···············································94
6.3.2 太陽光入射角對不同柵線光伏組件光電轉換效率的影響···························97
6.3.3 太陽光入射角對光伏幕墻(薄膜)組件光電特性的影響···························98
6.3.4 太陽光入射角對光伏組件相對透光率的影響············································99
6.4 總結 ·············································································································101
參考文獻 ··············································································································101
第 7 章 雙面光伏組件光電特性檢測技術 ·····························································103
7.1 雙面光伏組件檢測技術概述 ·····································································104
7.1.1 研究背景·····························································································104
7.1.2 研究現狀·····························································································105
7.1.3 研究內容與意義 ··················································································105
7.2 試驗方法 ·····································································································106
7.2.1 檢測設備與光伏組件············································································106
7.2.2 光伏組件性能檢測 ···············································································106
7.3 試驗結果與分析 ·························································································109
7.3.1 室內單面等效輻照度檢測結果······························································109
7.3.2 雙面打光檢測結果 ··············································································.111
7.3.3 使用單面等效輻照度法與雙面打光法進行檢測的功率結果差異 ··············115
7.3.4 不同雙面系數下的單面等效輻照度法與雙面打光法檢測結果對比···········117
7.3.5 雙面打光法在實際檢測中的應用···························································119
7.4 總結 ·············································································································120
參考文獻 ··············································································································121