三、太陽(yáng)能電池在不同光譜范圍條件下的伏安特性1?實(shí)驗(yàn)?zāi)康耐ㄟ^(guò)實(shí)驗(yàn)，了解并掌握太陽(yáng)能光譜對(duì)太陽(yáng)能電池的影響。2?實(shí)驗(yàn)設(shè)備光伏太陽(yáng)能電池特性實(shí)驗(yàn)箱。3?實(shí)驗(yàn)原理及內(nèi)容負(fù)載伏安特性測(cè)試負(fù)載伏安特性測(cè)試按照?qǐng)D所示設(shè)計(jì)測(cè)量電路圖，并連接電路。連接圖如下：如圖一所示，選取組件1端口101連接電流表的正極105,電流表負(fù)極106和電阻箱上紅色接線柱連接，電阻箱負(fù)極的黑色接線柱和組件1端口102接，電壓表正極107和組件1子101接，電壓表負(fù)極108和組件1子104連接，這樣即連接完成。光源的發(fā)光方向?qū)χ?yáng)能電池組件，依次打開(kāi)紅色光源、綠色光源和紫色光源，光源發(fā)光亮度穩(wěn)定后開(kāi)始測(cè)量。測(cè)試完當(dāng)前光源后，移動(dòng)組件到達(dá)下一個(gè)光源再次進(jìn)行測(cè)量。紅光對(duì)應(yīng)光譜波長(zhǎng)為 640-780nm,綠光對(duì)應(yīng)光譜波長(zhǎng)為505-525nm,紫光對(duì)應(yīng)光譜波長(zhǎng)380-470nm.將太陽(yáng)能光伏組件，電壓表，電流表，負(fù)載電阻按照連接成回路，改變電阻阻值，用萬(wàn)用表分別測(cè)量的電阻阻值，使阻值由小到大變化。測(cè)量流經(jīng)電阻的電流I和電阻上的電壓▽，即可得到該光伏組件的伏安特性曲線。測(cè)量過(guò)程中輻射光源與光伏組件的距離要保持不變，輻照面積與角度不變化，以保證整個(gè)測(cè)量過(guò)程是在相同條件下進(jìn)行的。記錄伏安特性曲線并繪制當(dāng)前太陽(yáng)能電池板的功率曲線，找出當(dāng)前太陽(yáng)能電池板的最大輸出功率

不同光譜下的IV曲線電阻/Q紅光綠兒紫光電流/mA電壓/V功率/P電流/mA電壓/V功率/P電流/mA電壓/V功率/P0112.590.222.769825.70.317.718.10.08:0.6481012.370.313.834725.1一0.5「12.557.90.141.1062012.040.414.936424.50.6816.667.60.21.523011.760.55.8823.90.8620.5547.40.2611.92440「11.440.586.635223.31.06「24.6987.20.3112.2325011.150.677.470522.51.2427.970.372.596010.920.748.080822.11.3930.7196.80.422.856.70:10.660.828.741221.61.54「33.2646.70.46「3.0828010.40.899.25620.51.7636.086.50.53.259010.190.959.680520.21.8737.7746.40.543.456100:9.911.0210.108219.72.03:39.9916.20.58「3.5962008.221.5312.5766163.0148.165.10.914.641*3006.971.8813.1036133.6947.974.31.154.9454005.962.1612.873611.14.09145.3993.81.31:4.9785005.272.3412.33189.54.3841.613.31.454.7856004.692.4911.67818.44.5738.38831.554.657004.252.6111.09257.54.72:35.42.71.63:4.4018003.882.7110.51486.74.8332.3612.41.694.0569003.562.789.89686.14.9330.0732.31.754.02510003.162.889.10085.74.9728.3292.11.7913.75920001.733.235.58793.15.33「16.5231.2-2^5^2.4630001.183.363.96482.15.4411.4240.92.151.93540000.933.343.10621.65.58.80.62.21.3250000.83.462.7681.35.5417.2020.52.2311.11560000.673.482.33161.15.566.1160.42.250.970000.63.52.10.095.570.50130.42.260.90480000.523.521.83040.085.580.44640.32.27.0.68190000.473.531.65910.075.590.39130.32.280.684不同光譜下的IV曲線一■紅光-■