《H水電站水能規(guī)劃與防洪設(shè)計(jì)》18000字（論文）

·PAGE41·H水電站水能規(guī)劃與防洪設(shè)計(jì)說(shuō)明書(shū)H水電站水能規(guī)劃與防洪設(shè)計(jì)目錄TOC\o"1-2"\h\u2526摘要 18128第一章緒論 210831.1基本資料 223704第二章水能規(guī)劃 165332.1徑流頻率分析 1190452.2徑流調(diào)節(jié)計(jì)算 1150542.3正常蓄水位的選擇 1411002結(jié)論：由以上的數(shù)據(jù)選擇Z=202m 29137892.4死水位的選擇 2925628結(jié)論:選擇死水位為182.2m 41272922.5裝機(jī)容量的選擇 4127033第三章防洪設(shè)計(jì) 498860調(diào)洪設(shè)計(jì)的實(shí)質(zhì)和原理 52197963.1水庫(kù)上游水位與下泄流量關(guān)系曲線(xiàn) 529431第四章樞紐布置及擋水泄水建筑物設(shè)計(jì) 60195784.1樞紐布置 60275144.2擋水建筑物設(shè)計(jì) 60111224.3泄水建筑物設(shè)計(jì) 6614481設(shè)計(jì)洪水下溢流壩壩基面穩(wěn)定計(jì)算 6832334校核洪水下溢流壩壩基面穩(wěn)定計(jì)算 6910552設(shè)計(jì)洪水下溢流壩折坡面穩(wěn)定計(jì)算 70摘要淠河是淮河南岸主要支流之一，源出安徽省西南部大別山北麓，有東西二條主要源流，即東淠河和西淠河，已分別建有佛子嶺和響洪甸二座大型水庫(kù)。東淠河佛子嶺以上又分二支：東支黃尾河上已建有磨子潭水庫(kù)；西支漫水河上擬建H水庫(kù)。東淠河自佛子嶺水庫(kù)以下流經(jīng)霍山縣城北側(cè)至六安市境內(nèi)的兩河口處與西淠河相會(huì)，向北流經(jīng)橫排頭、六安市城區(qū)西側(cè)至壽縣境內(nèi)的正陽(yáng)關(guān)西南注入淮河，全流域面積6000km2。東淠河佛子嶺水庫(kù)以上（控制面積1840km2）屬大別山深山區(qū)，多為高山峻嶺，最高峰白馬尖高程1774m（廢黃基面，下同），流域呈扇形，形狀系數(shù)（寬長(zhǎng)比）1.04，主河道長(zhǎng)77km，平均坡度6.5‰。H水庫(kù)壩址位于漫水河中游，距佛子嶺水庫(kù)大壩約26km，在霍山縣H鄉(xiāng)境內(nèi)。該課題的設(shè)計(jì)目的是通過(guò)所給資料，利用所學(xué)的兩門(mén)課程水利水能規(guī)劃與工程水文中的知識(shí)，結(jié)合現(xiàn)有的知識(shí)體系進(jìn)行徑流頻率分析與計(jì)算，正常蓄水位與死水位的選擇，最后進(jìn)行防洪設(shè)計(jì)。關(guān)鍵詞：水能規(guī)劃；防洪設(shè)計(jì)；樞紐布置。緒論1.1基本資料1.1.1流域概況淠河是淮河南岸主要支流之一，源出安徽省西南部大別山北麓，有東西二條主要源流，即東淠河和西淠河，已分別建有佛子嶺和響洪甸二座大型水庫(kù)。東淠河佛子嶺以上又分二支：東支黃尾河上已建有磨子潭水庫(kù)；西支漫水河上擬建H水庫(kù)。東淠河自佛子嶺水庫(kù)以下流經(jīng)霍山縣城北側(cè)至六安市境內(nèi)的兩河口處與西淠河相會(huì)，向北流經(jīng)橫排頭、六安市城區(qū)西側(cè)至壽縣境內(nèi)的正陽(yáng)關(guān)西南注入淮河，全流域面積6000km2。橫排頭處已建有淠河灌區(qū)的渠首樞紐工程，灌區(qū)用水主要由磨子潭、佛子嶺、響洪甸三大水庫(kù)提供，灌區(qū)設(shè)計(jì)灌溉面積660萬(wàn)畝。東淠河佛子嶺水庫(kù)以上（控制面積1840km2）屬大別山深山區(qū)，多為高山峻嶺，最高峰白馬尖高程1774m（廢黃基面，下同），流域呈扇形，形狀系數(shù)（寬長(zhǎng)比）1.04，主河道長(zhǎng)77km，平均坡度6.5‰。磨子潭、H水庫(kù)以上（控制面積分別為570km2和745km2）流域均呈葉狀，形狀系數(shù)分別為0.63和0.72，主河道長(zhǎng)分別為46km和51km，相應(yīng)平均坡度分別為10.5‰和5.6‰。H水庫(kù)壩址位于漫水河中游，距佛子嶺水庫(kù)大壩約26km，在霍山縣H鄉(xiāng)境內(nèi)。1.1.2水文與氣象本區(qū)地處北亞熱帶北緣，屬東亞季風(fēng)較濕潤(rùn)氣候區(qū)，雨量豐沛，降水成因多為東南沿海暖濕氣流內(nèi)侵，四川盆地低壓東移以及強(qiáng)臺(tái)風(fēng)的邊緣影響，降水隨地形的抬升而遞增的現(xiàn)象較明顯，在接近大別山主體處形成一個(gè)多雨中心。庫(kù)區(qū)多年平均降水量1480mm，汛期5～9月占64.6%，其中6月份降水最大，占全年的15.8%。降水年際間變化也大，最大年降水量2593mm，發(fā)生在1954年，最小年降水量900mm，發(fā)生在1978年。多年月平均氣溫為15.5℃、月平均最高氣溫為20.6℃、月平均最低氣溫為11.5℃、極端最高氣溫43.3℃，極端最低氣溫零下17.4℃，多年平均蒸發(fā)量為1197mm，無(wú)霜期220天，最長(zhǎng)、最短無(wú)霜期分別為270d和193d。大風(fēng)多出現(xiàn)于冬、春、夏三季，據(jù)縣氣象站資料統(tǒng)計(jì)，風(fēng)力大于等于8級(jí)（風(fēng)速大于20m/s）平均每年6次，常年主導(dǎo)風(fēng)向?yàn)闁|北北向。月份降水量蒸發(fā)量平均值（mm）氣溫平均值（℃）平均值（mm）占全年（%）一月422.944.72.84二月644.347.84.3三月1097.477.99.31四月1359.111215.7五月17311.713620.7六月23315.815424.8七月23015.516827.7八月20413.815527九月1177.910221.7十月865.884.416.5十一月573.86410.6十二月322.151.94.95據(jù)1950～2002年流量資料統(tǒng)計(jì)分析，H水庫(kù)多年平均入庫(kù)流量19.51m3/s，多年平均來(lái)水量6.15億m3，實(shí)測(cè)最大峰流量為7520m3/s（1969年），百年一遇洪水總量（3日）為4.091億m3，洪峰流量為8921m3/s；千年一遇洪水總量（3日）為6.602億m3，洪峰流量為14599m3/s；五千年一遇洪水總量（3日）為8.408億m3，洪峰流量為18648m3/s。H水庫(kù)歷年逐月平均流量統(tǒng)計(jì)表m3/s年份1月2月3月4月5月6月7月8月9月10月11月12月年均195011.011.017.025.06.013.053.022.027.025.011.03.518.719517.018.08.015.021.033.058.09.025.04.04.24.217.219526.518.549.030.031.06.026.047.535.020.011.06.023.919536.015.019.013.010.059.532.039.017.09.018.511.020.8195425.024.516.530.558.070.0232.030.512.57.53.06.043.0195510.021.031.530.014.075.025.045.010.03.01.51.322.219563.82.218.533.544.047.720.886.015.88.02.42.223.719575.56.97.821.454.823.952.722.14.51.96.010.718.319584.33.710.451.549.45.02.347.911.227.08.35.019.019596.736.227.840.951.321.018.42.713.12.512.99.120.219606.75.038.828.023.759.624.27.230.76.59.44.920.319614.04.619.510.316.519.524.420.727.76.920.77.015.219624.78.85.718.320.930.145.666.051.212.311.78.323.719633.53.417.457.956.78.262.369.818.15.07.64.626.419647.416.325.376.153.138.916.85.64.814.07.63.722.419652.812.17.528.48.63.85.222.34.57.310.45.09.819665.96.313.126.623.216.631.31.31.41.52.72.311.119673.86.514.217.324.08.726.65.23.53.718.76.111.519684.13.611.413.629.84.834.49.78.13.53.09.811.419698.516.518.243.222.97.6245.010.912.75.64.42.833.519702.65.713.520.040.247.347.014.034.213.45.04.720.719714.55.517.222.433.075.819.57.215.333.06.03.120.219722.98.331.320.422.621.013.630.616.519.525.75.118.119734.824.525.230.132.639.729.412.132.26.12.82.120.019742.910.18.119.958.420.632.613.53.03.94.03.315.119753.57.85.314.623.947.541.5108.017.131.811.49.527.019764.715.117.316.229.322.19.94.88.03.63.32.311.419772.23.717.239.165.919.836.155.616.913.810.25.024.019786.112.612.49.620.413.32.74.32.71.42.71.97.519791.93.34.417.230.337.127.06.914.02.82.12.512.519806.03.221.717.413.747.987.221.018.69.43.72.729.619813.311.07.729.83.729.551.832.016.234.120.77.02.619825.010.119.125.012.826.675.444.112.75.412.76.421.419834.13.74.920.624.760.523.010.934.168.68.24.830.919844.36.97.613.514.664.924.541.631.56.55.512.219.419854.64.721.117.851.511.225.64.819.040.11.05.718.219864.23.111.712.615.248.364.79.614.13.24.73.716.419877.214.122.028.842.516.250.162.016.98.720.64.324.619882.93.219.35.833.223.58.749.427.14.31.91.715.319892.55.717.619.422.170.312.336.17.68.221.13.619.719904.542.316.819.629.07.012.89.76.33.77.63.513.619914.813.839.548.325.784.562.019.07.02.41.42.242.919922.73.823.69.84.114.53.71.910.32.61.61.86.719938.714.140.512.49.427.415.238.656.96.311.47.624.119943.87.616.317.328.021.223.319.518.34.93.16.214.219959.26.85.219.253.169.011.617.83.96.72.62.317.319963.53.016.58.69.979.3129.015.612.612.213.44.225.719974.48.325.6.66.73.520.318.28.63.03.47.79.7199812.210.626.443.933.113.420.722.76.13.62.52.816.619992.61.88.222.813.8124.026.027.910.89.57.94.221.520008.288.845.253.124.9913.95.8615.114.617.69.2810.89.8200113.712.59.4513.29.2215.911.811.22.942.673.528.589.5420024.047.5725.117.135.645.721.828.88.014.614.0910.617.75平均5.710.317.723.628.534.245.28.016.410.88.15.219.51%2.44.47.610.112.214.719.312.07.04.63.52.2100水利水電工程規(guī)劃設(shè)計(jì)一般按水文年進(jìn)行設(shè)計(jì)年徑流分析。根據(jù)實(shí)測(cè)徑流資料，從大多數(shù)年份的徑流變化特性考慮，確定水文年自每年3月至次年2月。以1993年實(shí)測(cè)洪水為典型，當(dāng)暴雨中心在H水庫(kù)時(shí)，H水庫(kù)與佛子嶺水庫(kù)按同頻率法放大的各區(qū)設(shè)計(jì)洪水過(guò)程線(xiàn)成果見(jiàn)表1-3。H設(shè)計(jì)洪水過(guò)程線(xiàn)流量：m3/s重現(xiàn)期50年一遇100年一遇1000年一遇重現(xiàn)期50年一遇100年一遇1000年一遇時(shí)段(h)HHH時(shí)段(h)HHH179891202621724433127888119272903274433778611728303341462476861162929032644258393126302963334526364410556313003374577458515698322903264428430484656332833184319385433588342873234381034138352035280315427112963334513627430841812251282382372683024091320623231438256288390142132393253924427437215220247335402322613531615917924241220247335171521712324220723331518145164222431952192971913915621244183205278201321492014516318324921133150203461561752372213815521147148167226231411582154814115821524142160217491331502032514316121850127142193511191341829162077112875211513017692655815136053112126171936938631440541081221659471789214885510611916195740921153656102115156967449261545571051181609773791715305810812216598709882147259112126171997299071514601131271731007509331557611151301761017709581599621191331811027909841641631221371861039141138189864126142192104103812922156651351522051051069133122206615417423510696712032008671852082821078651076179668195220298108762949158369187210285109660822137170178201272110601748124971170192260111543676112872167188255112484603100673164184250113426530885741731952641145717111186752332623551151030128221407657164387111613871726288077775871118111715111880313778999124420751181762219436607989511141858119190023003800807909841641120210027003900817098821472121230031504000826277811303122299434005000835466801134123450038686500844655799651247291450014599853834777961253100892157678635844574312626004312530087333415692127230034004600883083846401282104300043008934542971612918002300330090482600100113016002000310013114001500280015447253172013213501450270715542547864813313241350249015637742457513413001300250015733037150313512501300245015830934847113612671250237015928832444013713011200244716026730140813814391300260016124727737613916581800310016222625434414019002200379016320523131314122002777446016418520828114226483183498116516418425014317972237373316615717723914416312030338716715016922914514641822304116813715420914612901605267916913114719914711151389231717012413918914810231273212417111713217914993011571931172117132179150734826112017312113618515166374610111741251401901525916659021751151291751535205857931761081211641.1.3電力系統(tǒng)已有負(fù)荷資料H水電站的電力系統(tǒng)負(fù)荷資料年負(fù)荷表（年最大負(fù)荷的百分比）：月份123456最大負(fù)荷百分比989694929088月份789101112最大負(fù)荷百分比9092949698100典型日負(fù)荷圖（最大負(fù)荷的百分比）:時(shí)序（小時(shí)）12345678910111212月7472706872748088969288843、9月7068666466707478868480787月676563616367717582807775時(shí)序（小時(shí)）13141516171819202122232412月80828486909410098949082783、9月7680828486909492888680747月7377798082869088848277701.1.4其它電站單位千瓦投資6200元／千瓦；水電站增加單位千瓦投資4300元／千瓦；水電站增加單位千瓦容量的年費(fèi)用率為3％；額定投資效益系數(shù)為0.08；水電站單位電能消耗燃料0.40公斤／度；燃料到廠(chǎng)價(jià)格為380元／噸，=1.05。設(shè)計(jì)任務(wù)1）熟悉H水電站的設(shè)計(jì)資料，掌握設(shè)計(jì)典型年的選取，調(diào)節(jié)流量的計(jì)算，水利經(jīng)濟(jì)計(jì)算，電力電能平衡的方法以及調(diào)洪演算的具體過(guò)程。通過(guò)三個(gè)方案比較確定正常蓄水位和死水位。進(jìn)行防洪設(shè)計(jì)，確定水庫(kù)的防洪特征水位。（2）確定樞紐組成建筑物,工程等級(jí),擬定擋水、泄水建筑物形式和尺寸，進(jìn)行樞紐布置，繪制樞紐布置圖和擋水、泄水建筑物的典型橫剖面圖。（3）編寫(xiě)論文本次設(shè)計(jì)需分析比較水庫(kù)三個(gè)正常蓄水位方案，分別為202、204、206米，通過(guò)水利動(dòng)能經(jīng)濟(jì)計(jì)算等，選定正常蓄水位。繼而擬定三個(gè)死水位方案（182.2米，184.1米，186.03米）進(jìn)行興利調(diào)節(jié)及水能計(jì)算，通過(guò)計(jì)算比較，選其死水位。通過(guò)調(diào)洪演算取防洪限制水位。根據(jù)下游防護(hù)標(biāo)準(zhǔn)（五十年一遇），確定水庫(kù)的防洪高水位，根據(jù)洪水資料設(shè)計(jì)洪水標(biāo)準(zhǔn)（百年一遇）和校核洪水標(biāo)準(zhǔn)（千年一遇），確定水庫(kù)的設(shè)計(jì)洪水位和校核洪水位。第二章水能規(guī)劃2.1徑流頻率分析2.1.1由已知資料確定水文年序列（1）H歷年月平均流量表年份年凈流量195018.5195117.2195223.8195320.8195443.2195522.0195623.6195718.1195819195920.2196020.1196115.2196223.5196326.4196422.219659.8196611196711.5196811.4196933.3197020.7197120.2197218197320197415.3197527197611.319772419787.5197912.3198029.419812.6198221.4198330.7198419.4198518.2198616.2198724.6198815.3198919.7199013.5199142.919926.7199324199414.2199517.3199625.719979.4199816.6199921.520009.820019.3200217.43（2）確定水文年序列年份年凈流量序號(hào)由大到小Ki(Ki-1)^2經(jīng)驗(yàn)P195018.51432.2499086811.562271711.851851852195117.2242.92.2446763351.5492191793.703703704195223.8333.51.7528358330.5667617915.555555556195320.8430.91.6167948430.3804358787.407407407195443.2529.61.5487743480.3011532859.259259259195522.06271.412733358011111111195623.6726.41.381339283096296296195718.1825.71.3447128630.11882695814.81481481195819924.61.2871570590.08245917716.66666667195920.21024.11.260995330.06811856218.51851852196020.111241.2557629850.06541470420.37037037196115.21223.91.2505306390.06276560122.22222222196223.51323.71.2400659470.05763165924.07407407196326.41423.71.2400659470.05763165925.92592593196422.21522.41.1720454520.02959963827.7777777819659.81622.21.1615807610.02610834229.629629631966111721.51.124954340.01561358731.48148148196711.51821.41.1197219950.01433335633.33333333196811.41920.81.088327920.00780182135.18518519196933.32020.71.0830955740.00690487437.03703704197020.72120.31.0621661910.00386463538.88888889197120.22220.21.0569338450.00324146340.740740741972182320.21.0569338450.00324146342.5925925919732024201.0464691540.00215938244.44444444197415.32519.71.0307721170.00094692346.29629631975272619.41.0150750790.00022725848.14814815197611.327190.9941456963.42729E-05501977242818.70.9784486590.0004644651.8518518519787.52918.30.9575192760.00180461253.7037037197912.33018.20.952286930.00227653755.55555556198029.43118.10.9470545840.00280321757.4074074119812.63217.750.9287413740.00507779259.25925926198221.43317.30.9051958180.00898783361.11111111198330.73417.20.8999634720.01000730762.96296296198419.43516.60.8685693980.01727400364.81481481198518.23616.40.8581047060.02013427466.66666667198616.23715.30.8005489030.0397807468.51851852198724.63815.20.7953165570.04189531270.37037037198815.33915.10.7900842110.04406463872.22222222198919.74014.20.7429930990.06605254774.07407407199013.54113.60.7115990250.08317512375.92592593199142.94212.50.6540432210.11968609377.7777777819926.74311.50.6017197630629629631993244411.40.5964874180.16282240481.48148148199414.24511.40.5964874180.16282240483.33333333199517.34611.10.58079038018518519199625.7479.80.5127698850.23739318587.0370370419979.4489.80.5127698850.23739318588.88888889199816.6499.70.507537540.24251927590.74074074199921.5509.540.4991657860.2508349192.5925925920009.8517.50.3924259330.36914624794.4444444420019.3526.70.3505671670.42176300596.2962963200217.43532.60.136040990.74642517198.148148152.1.2目估適線(xiàn)法確定徑流頻率曲線(xiàn)參數(shù)（1）已知條件序號(hào)系列值頻率1430.018518519242.90.037037037333.50.055555556430.90.074074074529.60.0925925936270.111111111726.40.12962963825.70.148148148924.60.1666666671024.10.18518518511240.2037037041223.90.2222222221323.70.2407407411423.70.2592592591522.40.2777777781622.20.2962962961721.50.3148148151821.40.3333333331920.80.3518518522020.70.370370372120.30.3888888892220.20.4074074072320.20.42592592624200.4444444442519.70.4629629632619.40.48148148127190.52818.70.5185185192918.30.5370370373018.20.5555555563118.10.5740740743217.750.5925925933317.30.6111111113417.20.629629633516.60.6481481483616.40.6666666673715.30.6851851853815.20.7037037043915.10.7222222224014.20.7407407414113.60.7592592594212.50.7777777784311.50.7962962964411.40.8148148154511.40.8333333334611.10.851851852479.80.87037037489.80.888888889499.70.907407407509.540.925925926517.50.944444444526.70.962962963532.60.981481481（2）利用程序輸出三組結(jié)果進(jìn)行比較第一組《洪峰流量頻率曲線(xiàn)》計(jì)算成果樣本均值Ex=19.18變差系數(shù)Cv=0.40偏態(tài)系數(shù)Cs=1倍比系數(shù)Cs/Cv=2.5序號(hào) 流量(m3/s) 頻率(%)1 43.00 1.852 42.90 3.703 33.50 5.564 30.90 7.415 29.60 9.266 27.00 11.117 26.40 12.968 25.70 14.819 24.60 16.6710 24.10 18.5211 24.00 20.3712 23.90 22.2213 23.70 24.0714 23.70 25.9315 22.40 27.7816 22.20 29.6317 21.50 31.4818 21.40 33.3319 20.80 35.1920 20.70 37.0421 20.30 38.8922 20.20 40.7423 20.20 42.5924 20.00 44.4425 19.70 46.3026 19.40 48.1527 19.00 50.0028 18.70 51.8529 18.30 53.7030 18.20 55.5631 18.10 57.4132 17.75 59.2633 17.30 61.1134 17.20 62.9635 16.60 64.8136 16.40 66.6737 15.30 68.5238 15.20 70.3739 15.10 72.2240 14.20 74.0741 13.60 75.9342 12.50 77.7843 11.50 79.6344 11.40 81.4845 11.40 83.3346 11.10 85.1947 9.80 87.0448 9.80 88.8949 9.70 90.7450 9.54 92.5951 7.50 94.4452 6.70 96.3053 2.60 98.15第二組《洪峰流量頻率曲線(xiàn)》計(jì)算成果樣本均值Ex=19.18變差系數(shù)Cv=0.40偏態(tài)系數(shù)Cs=1.2倍比系數(shù)Cs/Cv=3序號(hào) 流量(m3/s) 頻率(%)1 43.00 1.852 42.90 3.703 33.50 5.564 30.90 7.415 29.60 9.266 27.00 11.117 26.40 12.968 25.70 14.819 24.60 16.6710 24.10 18.5211 24.00 20.3712 23.90 22.2213 23.70 24.0714 23.70 25.9315 22.40 27.7816 22.20 29.6317 21.50 31.4818 21.40 33.3319 20.80 35.1920 20.70 37.0421 20.30 38.8922 20.20 40.7423 20.20 42.5924 20.00 44.4425 19.70 46.3026 19.40 48.1527 19.00 50.0028 18.70 51.8529 18.30 53.7030 18.20 55.5631 18.10 57.4132 17.75 59.2633 17.30 61.1134 17.20 62.9635 16.60 64.8136 16.40 66.6737 15.30 68.5238 15.20 70.3739 15.10 72.2240 14.20 74.0741 13.60 75.9342 12.50 77.7843 11.50 79.6344 11.40 81.4845 11.40 83.3346 11.10 85.1947 9.80 87.0448 9.80 88.8949 9.70 90.7450 9.54 92.5951 7.50 94.4452 6.70 96.3053 2.60 98.15第三組《洪峰流量頻率曲線(xiàn)》計(jì)算成果樣本均值Ex=19.18變差系數(shù)Cv=0.40偏態(tài)系數(shù)Cs=0.8倍比系數(shù)Cs/Cv=2序號(hào) 流量(m3/s) 頻率(%)1 43.00 1.852 42.90 3.703 33.50 5.564 30.90 7.415 29.60 9.266 27.00 11.117 26.40 12.968 25.70 14.819 24.60 16.6710 24.10 18.5211 24.00 20.3712 23.90 22.2213 23.70 24.0714 23.70 25.9315 22.40 27.7816 22.20 29.6317 21.50 31.4818 21.40 33.3319 20.80 35.1920 20.70 37.0421 20.30 38.8922 20.20 40.7423 20.20 42.5924 20.00 44.4425 19.70 46.3026 19.40 48.1527 19.00 50.0028 18.70 51.8529 18.30 53.7030 18.20 55.5631 18.10 57.4132 17.75 59.2633 17.30 61.1134 17.20 62.9635 16.60 64.8136 16.40 66.6737 15.30 68.5238 15.20 70.3739 15.10 72.2240 14.20 74.0741 13.60 75.9342 12.50 77.7843 11.50 79.6344 11.40 81.4845 11.40 83.3346 11.10 85.1947 9.80 87.0448 9.80 88.8949 9.70 90.7450 9.54 92.5951 7.50 94.4452 6.70 96.3053 2.60 98.15（3）結(jié)論匯總通過(guò)三組數(shù)據(jù)對(duì)比可以得到以下結(jié)論：樣本均值Ex=19.18變差系數(shù)Cv=0.40偏態(tài)系數(shù)Cs=0.8倍比系數(shù)Cs/Cv=22.2徑流調(diào)節(jié)計(jì)算2.2.1水電站設(shè)計(jì)保證率的選擇（1）參照原理水電站設(shè)計(jì)保證率的取值關(guān)系到供電可靠性，水能資源利用程度及電站造價(jià)。一般地講，水電站裝機(jī)規(guī)模越大，系統(tǒng)中水電所占比重越大，系統(tǒng)中重要用戶(hù)越多，正常工作遭到破壞時(shí)的損失越嚴(yán)重，常采用較高設(shè)計(jì)保證率。而對(duì)于河流徑流變化劇烈和水庫(kù)調(diào)節(jié)性能好的水電站，也采用較高的設(shè)計(jì)保證率。此外，水電站的設(shè)計(jì)保證率的取值還與電力系統(tǒng)用戶(hù)組成和負(fù)荷特性，以及可能采取的彌補(bǔ)不足出力的措施等因素有關(guān)。裝機(jī)容量小于25000kw的小型水電站，設(shè)計(jì)保證率一般采用65%—90%，以灌溉為主的農(nóng)村小水電站工程的設(shè)計(jì)保證率，常與灌溉設(shè)計(jì)保證率取同值，大，中型水電站的設(shè)計(jì)保證率見(jiàn)下表。水電站設(shè)計(jì)保證率系統(tǒng)中水電站容量比重25以下25—5050以上水電站設(shè)計(jì)保證率（%）80—9090—9595—98（2）結(jié)論依據(jù)參照原理及水電站設(shè)計(jì)保證率表可得設(shè)計(jì)保證率取90%.2.2.2水庫(kù)調(diào)節(jié)性能的判斷(1)水位庫(kù)容關(guān)系水庫(kù)庫(kù)容關(guān)系表水位庫(kù)容13511451751601425170321618058862001481420115436202160592031668120417304205179262061863520719344208200522092076121021470水位庫(kù)容21122268212230662132386421424662215254602162636021727260218281602192906022029960221309602223196022332960224339602253496022636066水位庫(kù)容2273717222838278229393842304049023141714232429382334416223445386235466102364795023749290238506302395197024053310(2)調(diào)節(jié)性能的判斷通常用庫(kù)容系數(shù)β反映水庫(kù)興利調(diào)節(jié)能力，當(dāng)β在8%到30%時(shí)，一般可進(jìn)行年調(diào)節(jié)。當(dāng)天然徑流年內(nèi)分配較均勻時(shí)β在2%到8%時(shí)，可進(jìn)行年調(diào)節(jié)?？偟膩?lái)說(shuō)。當(dāng)β<2%時(shí)，水庫(kù)為日調(diào)節(jié)水庫(kù)；當(dāng)2%<β<30%時(shí)，水庫(kù)為年調(diào)節(jié)水庫(kù)；當(dāng)β>30%事，水庫(kù)為多年調(diào)節(jié)水庫(kù)。通過(guò)計(jì)算H水電站壩址處多年平均流量為19.18m3/s，則多年平均年水量為。已知正常蓄水位分別為202、204、206米，擬定三個(gè)死水位方案（182.2米，184.1米，186.03米）進(jìn)行計(jì)算。第一組Z蓄=202米V=16059萬(wàn)Z死=182.2米V死V興=16059-6000=10059萬(wàn)=16.6%第二組Z蓄=204米V=17304萬(wàn)Z死=184.1米V死=8000V興=17304-8000=9304萬(wàn)=15.3%第三組Z蓄=206米V=18635萬(wàn)Z死=186.03米V死=10000V興=18635-10000=8635萬(wàn)=14.2%依據(jù)三組數(shù)據(jù)，綜上所述該水庫(kù)為年調(diào)節(jié).2.2.3徑流調(diào)節(jié)計(jì)算按照年徑流量接近及年內(nèi)分配對(duì)工程不利的選擇典型年的原則,選擇典型枯水年為1966年3月至1967年2月,典型平水年為1959年3月至1960年2月,典型豐水年為1975年3月至1976年2月，求出設(shè)計(jì)枯水年，設(shè)計(jì)平水年和設(shè)計(jì)豐水年的年徑流過(guò)程見(jiàn)下表。水文年三四五六七八九十十一十二一二年均P=90%13.126.523.116.631.21.31.41.52.72.33.86.510.83P=50%29.343.054.022.119.42.813.82.613.69.67.15.318.54P=10%5.715.625.550.844.4115.418.334.012.210.25.016.129.43現(xiàn)在根據(jù)以上資料，采用歷時(shí)法按等流量調(diào)節(jié)方式，對(duì)全部徑流系列進(jìn)行調(diào)節(jié)計(jì)算，求得逐時(shí)段調(diào)節(jié)流量。當(dāng)不考慮水庫(kù)水量損失時(shí)，調(diào)節(jié)流量的計(jì)算公式如下：Qd=(Qw=(Qm=求得：T=730h；A為水電站出力系數(shù)取為8.52.3正常蓄水位的選擇已知資料或求得資料已知正常蓄水位分別為202、204、206米，擬定三個(gè)死水位方案（182.2米，184.1米，186.03米）進(jìn)行計(jì)算。第一組Z蓄=202米V=16059萬(wàn)Z死=182.2米V死V興=16059-6000=10059萬(wàn)第二組Z蓄=204米V=17304萬(wàn)Z死=184.1米V死=8000V興=17304-8000=9304萬(wàn)第三組Z蓄=206米V=18635萬(wàn)Z死=186.03米V死=10000V興=18635-10000=8635萬(wàn)2.3.1保證出力計(jì)算（1）枯水年的選擇枯水年為1966年3月至1967年2月水文年三四五六七八九十十一十二一二年均1966-196713.126.523.116.631.21.31.41.52.72.33.86.510.83(2)計(jì)算第一組Z蓄Z死=V興=16059-6000=10059萬(wàn)m3=38.3m3/計(jì)算供水期使用流量計(jì)算的年限為1996.8至1997.2W=1.3+1.4+1.5+2.7+2.3+3.8+6.5=19.5Q=(19.5+38.3)/7=8.3m3/s經(jīng)過(guò)與選定月份的比較發(fā)現(xiàn)該次計(jì)算合理故：Q=8.3m3/s計(jì)算蓄水使用流量計(jì)算的年限為1996.3至1996.7W=13.1+26.5+23.1+16.6+31.2=110.5Q=(110.5-38.3)/5=14.44m3/s經(jīng)過(guò)與選定月份的比較發(fā)現(xiàn)該次計(jì)算不合理，三月份流量小于該流量未達(dá)到計(jì)算要求重新計(jì)算計(jì)算的年限為1996.4至1996.7W=26.5+23.1+16.6+31.2=97.4Q=(97.4-38.3)/4=14.8m3/s經(jīng)過(guò)與選定月份的比較發(fā)現(xiàn)該次計(jì)算合理故：Q=14.8m3/s日期天然流量調(diào)節(jié)流量水庫(kù)蓄水量平均蓄水量水頭損失凈水頭1966.313.113.1026.726.70.859.351966.426.514.811.726.732.550.857.151966.523.114.88.338.442.550.8512.151966.616.614.81.846.747.60.8515.151966.731.214.816.448.556.70.8522.151966.81.38.3-764.961.40.8533.151966.91.48.3-6.957.954.450.8525.151966.101.58.3-6.85147.60.8524.151966.112.78.3-5.644.241.40.8519.151966.122.38.3-638.635.60.8517.151967.13.88.3-4.532.630.350.8515.151967.26.58.3-1.828.127.20.8514.1526.3第二組Z蓄=204米V=17304萬(wàn)Z死=184.1米V死=8000V興=17304-8000=9304萬(wàn)m3=35.4m3/計(jì)算供水期使用流量計(jì)算的年限為1996.8至1997.2W=1.3+1.4+1.5+2.7+2.3+3.8+6.5=19.5Q=(19.5+35.4)/7=7.8m3/s經(jīng)過(guò)與選定月份的比較發(fā)現(xiàn)該次計(jì)算合理故：Q=7.8m3/s計(jì)算蓄水使用流量計(jì)算的年限為1996.3至1996.7W=13.1+26.5+23.1+16.6+31.2=110.5Q=(110.5-35.4)/5=15m3/s經(jīng)過(guò)與選定月份的比較發(fā)現(xiàn)該次計(jì)算不合理，三月份流量小于該流量未達(dá)到計(jì)算要求重新計(jì)算計(jì)算的年限為1996.4至1996.7W=26.5+23.1+16.6+31.2=97.4Q=(97.4-35.4)/4=15.5m3/s經(jīng)過(guò)與選定月份的比較發(fā)現(xiàn)該次計(jì)算合理故：Q=15.5m3/s日期天然流量調(diào)節(jié)流量水庫(kù)蓄水量平均蓄水量水頭損失凈水頭1966.313.113.1028280.859.351966.426.515.5112833.50.855.151966.523.115.57.63942.80.859.151966.616.615.51.146.647.150.8510.151966.731.215.515.747.755.550.8518.151966.81.37.8-6.563.460.150.8532.151966.91.47.8-6.456.953.70.8525.151966.101.57.8-6.350.547.350.8524.151966.112.77.8-5.144.241.650.8519.151966.122.37.8-5.539.136.350.8517.151967.13.87.8-433.631.60.8515.151967.26.57.8-1.329.628.950.8514.1528.3第三組Z蓄=206米V=18635萬(wàn)Z死=186.03米V死=10000V興=18635-10000=8635萬(wàn)m3=32.9m3/計(jì)算供水期使用流量計(jì)算的年限為1996.8至1997.2W=1.3+1.4+1.5+2.7+2.3+3.8+6.5=19.5Q=(19.5+32.9)/7=7.5m3/s經(jīng)過(guò)與選定月份的比較發(fā)現(xiàn)該次計(jì)算合理故：Q=7.5m3/s計(jì)算蓄水使用流量計(jì)算的年限為1996.3至1996.7W=13.1+26.5+23.1+16.6+31.2=110.5Q=(110.5-32.9)/5=15.52m3/s經(jīng)過(guò)與選定月份的比較發(fā)現(xiàn)該次計(jì)算不合理，三月份流量小于該流量未達(dá)到計(jì)算要求重新計(jì)算計(jì)算的年限為1996.4至1996.7W=26.5+23.1+16.6+31.2=97.4Q=(97.4-32.9)/4=16m3/s經(jīng)過(guò)與選定月份的比較發(fā)現(xiàn)該次計(jì)算合理故：Q=16m3/s日期天然流量調(diào)節(jié)流量水庫(kù)蓄水量平均蓄水量水頭損失凈水頭1966.313.113.1030300.859.351966.426.516.010.53035.250.859.151966.523.116.07.140.544.050.8511.151966.616.616.00.647.647.90.8514.151966.731.216.015.248.255.80.8521.151966.81.37.5-6.263.460.30.8536.151966.91.47.5-6.157.254.150.8526.151966.101.57.5-651.148.10.8525.151966.112.77.5-4.845.142.70.8524.151966.122.37.5-5.240.337.70.8517.151967.13.87.5-3.735.133.250.8516.151967.26.57.5-131.430.90.8515.1530.4（3）結(jié)果計(jì)算與輸出利用公式H平凈Np第一組33.1525.1524.1519.1517.1515.1514.15H平凈=Np=AQ第二組32.1525.1524.1519.1517.1515.1514.15H平凈=Np=AQ第三組36.1526.1525.1524.1517.1516.1515.15H平凈=Np=AQ2.3.2多年平均發(fā)電量計(jì)算（1）數(shù)據(jù)分析平水年的選擇典型平水年為1959年3月至1960年2月水文年三四五六七八九十十一十二一二年均P=50%29.343.054.022.119.42.813.82.613.69.67.15.318.54第一組Z蓄=202米V=16059萬(wàn)Z死=182.2米V死V興=16059-6000=10059萬(wàn)m3=38.3m3/計(jì)算供水期使用流量計(jì)算的年限為1959.8至1960.2W=2.8+2.6+9.6+7.1+5.3=27.4Q=(27.4+38.3)/5=13.1m3/s經(jīng)過(guò)與選定月份的比較發(fā)現(xiàn)該次計(jì)算合理故：Q=13.1m3/s計(jì)算蓄水使用流量計(jì)算的年限為1959.3至1960.7W=29.3+43+54+22.1+19.4=167.8Q=(167.8-38.3)/5=25.9m3/s經(jīng)過(guò)與選定月份的比較發(fā)現(xiàn)該次計(jì)算不合理，月份流量小于該流量未達(dá)到計(jì)算要求重新計(jì)算計(jì)算的年限為1959.3至1959.5W=29.3+43+54=126.3Q=(126.3-38.3)/3=29.2m3/s經(jīng)過(guò)與選定月份的比較發(fā)現(xiàn)該次計(jì)算合理故：Q=29.2m3/s日期天然流量調(diào)節(jié)流量水庫(kù)蓄水量平均蓄水量水頭損失凈水頭1959.329.329.20.126.726.70.850.151959.44329.213.826.733.60.852.151959.55429.224.840.552.90.8515.151959.622.122.1065.365.30.8522.151959.719.419.4065.365.30.8527.151959.82.813.1-10.365.360.150.8528.151959.913.813.8055550.8523.151959.102.613.1-10.55549.750.8523.151959.1113.613.6044.544.50.8519.151959.129.613.1-3.544.542.750.8517.151960.17.113.1-641380.8514.151960.25.313.1-7.83531.10.8510.1527.2第二組Z蓄=204米V=17304萬(wàn)Z死=184.1米V死=8000V興=17304-8000=9304萬(wàn)m3=35.4m3/計(jì)算供水期使用流量計(jì)算的年限為1959.8至1960.2W=2.8+2.6+9.6+7.1+5.3=27.4Q=(27.4+35.4)/5=12.6m3/s經(jīng)過(guò)與選定月份的比較發(fā)現(xiàn)該次計(jì)算合理故：Q=12.6m3/s計(jì)算蓄水使用流量計(jì)算的年限為1959.3至1960.7W=29.3+43+54+22.1+19.4=167.8Q=(167.8-35.4)/5=26.4m3/s經(jīng)過(guò)與選定月份的比較發(fā)現(xiàn)該次計(jì)算不合理，月份流量小于該流量未達(dá)到計(jì)算要求重新計(jì)算計(jì)算的年限為1959.3至1959.5W=29.3+43+54=126.3Q=(126.3-35.4)/3=29.3m3/s經(jīng)過(guò)與選定月份的比較發(fā)現(xiàn)該次計(jì)算合理故：Q=29.3m3/s日期天然流量調(diào)節(jié)流量水庫(kù)蓄水量平均蓄水量水頭損失凈水頭12345891959.329.329.3028280.851.151959.44329.313.72834.850.852.151959.55429.324.741.754.050.8514.151959.622.122.1066.466.40.8523.151959.719.419.4066.466.40.8528.151959.82.812.6-9.866.461.50.8530.151959.913.813.8056.656.60.8523.151959.102.612.6-1056.651.60.8525.151959.1113.613.6046.646.60.8519.151959.129.612.6-346.645.10.8519.151960.17.112.6-5.543.640.850.8516.151960.25.312.6-7.338.134.450.8512.1530.8第三組Z蓄=206米V=18635萬(wàn)Z死=186.03米V死=10000V興=18635-10000=8635萬(wàn)m3=32.9m3/計(jì)算供水期使用流量計(jì)算的年限為1959.8至1960.2W=2.8+2.6+9.6+7.1+5.3=27.4Q=(27.4+32.9)/5=12m3/s經(jīng)過(guò)與選定月份的比較發(fā)現(xiàn)該次計(jì)算合理故：Q=12m3/s計(jì)算蓄水使用流量計(jì)算的年限為1959.3至1960.7W=29.3+43+54+22.1+19.4=167.8Q=(167.8-32.9)/5=26.9m3/s經(jīng)過(guò)與選定月份的比較發(fā)現(xiàn)該次計(jì)算不合理，月份流量小于該流量未達(dá)到計(jì)算要求重新計(jì)算計(jì)算的年限為1959.3至1959.5W=29.3+43+54=126.3Q=(126.3-32.9)/3=30m3/s經(jīng)過(guò)與選定月份的比較發(fā)現(xiàn)該次計(jì)算合理故：Q=30m3/s日期天然流量調(diào)節(jié)流量水庫(kù)蓄水量平均蓄水量水頭損失凈水頭1959.330.3300.330300.850.151959.44330.0133036.50.852.151959.55430.02443550.8515.151959.622.122.1067670.8522.151959.719.419.4067670.8527.151959.82.812-9.26762.40.8532.151959.913.813.8057.857.80.8523.151959.102.612-9.457.853.10.8527.151959.1113.613.6048.448.40.8519.151959.129.612-2.448.447.20.8521.151960.17.112-4.94643.550.8518.151960.25.312-6.741.137.750.8514.1534.4豐水年的選擇典型豐水年為1975年3月至1976年2月水文年三四五六七八九十十一十二一二年均P=10%5.715.625.550.844.4115.418.334.012.210.25.016.129.43第一組Z蓄=202米V=16059萬(wàn)Z死=182.2米V死V興=16059-6000=10059萬(wàn)m3=38.3m3/計(jì)算供水期使用流量計(jì)算的年限為1975.11至1976.2W=12.2+10.2+5.0+16.1=43.5Q=(43.5+38.3)/4=20.1m3/s經(jīng)過(guò)與選定月份的比較發(fā)現(xiàn)該次計(jì)算合理故：Q=20.1m3/s計(jì)算蓄水使用流量計(jì)算的年限為1975.6至1960.8W=44.4+115.4+50.8=210.6Q=(210.6-38.3)/3=57.4m3/s經(jīng)過(guò)與選定月份的比較發(fā)現(xiàn)該次計(jì)算不合理，月份流量小于該流量未達(dá)到計(jì)算要求重新計(jì)算計(jì)算的年限為1975.8W=115.4Q=(115.4-38.3)/1=77.1m3/s經(jīng)過(guò)與選定月份的比較發(fā)現(xiàn)該次計(jì)算合理故：Q=77.1m3/s日期天然流量調(diào)節(jié)流量水庫(kù)蓄水量平均蓄水量水頭損失凈水頭1975.35.75.7026.726.70.8519.351975.415.615.6026.726.70.859.351975.525.525.5026.726.70.856.351975.650.850.8026.726.70.852.351975.744.444.4026.726.70.850.351975.8115.477.138.326.745.850.8511.151975.918.318.3065650.8521.151975.103434065650.8516.151975.1112.220.1-7.96561.050.8514.151975.1210.220.1-9.957.152.150.8512.151976.1520.1-15.147.239.650.8510.151976.216.120.1-432.130.10.859.1528.1第二組Z蓄=204米V=17304萬(wàn)Z死=184.1米V死=8000V興=17304-8000=9304萬(wàn)m3=35.4m3/計(jì)算供水期使用流量計(jì)算的年限為1975.11至1976.2W=12.2+10.2+5.0+16.1=43.5Q=(43.5+35.4)/4=19.7m3/s經(jīng)過(guò)與選定月份的比較發(fā)現(xiàn)該次計(jì)算合理故：Q=19.7m3/s計(jì)算蓄水使用流量計(jì)算的年限為1975.6至1960.8W=44.4+115.4+50.8=210.6Q=(210.6-35.4)/3=58.4m3/s經(jīng)過(guò)與選定月份的比較發(fā)現(xiàn)該次計(jì)算不合理，月份流量小于該流量未達(dá)到計(jì)算要求重新計(jì)算計(jì)算的年限為1975.8W=115.4Q=(115.4-35.4)/1=80m3/s經(jīng)過(guò)與選定月份的比較發(fā)現(xiàn)該次計(jì)算合理故：Q=80m3/s日期天然流量調(diào)節(jié)流量水庫(kù)蓄水量平均蓄水量水頭損失凈水頭1975.35.75.7028280.8521.151975.415.615.6028280.8511.151975.525.525.5028280.858.151975.650.850.8028280.854.151975.744.444.4028280.852.151975.8115.48035.42845.70.8513.151975.918.318.3063.463.40.8523.151975.103434063.463.40.8516.151975.1112.219.7-7.563.459.650.8514.151975.1210.219.7-9.555.951.150.8512.151976.1519.7-14.746.439.050.8511.151976.216.119.7-3.631.729.90.859.1528.1第三組Z蓄=206米V=18635萬(wàn)Z死=186.03米V死=10000V興=18635-10000=8635萬(wàn)m3=32.9m3/計(jì)算供水期使用流量計(jì)算的年限為1975.11至1976.2W=12.2+10.2+5.0+16.1=43.5Q=(43.5+32.9)/4=19.1m3/s經(jīng)過(guò)與選定月份的比較發(fā)現(xiàn)該次計(jì)算合理故：Q=19.1m3/s計(jì)算蓄水使用流量計(jì)算的年限為1975.6至1960.8W=44.4+115.4+50.8=210.6Q=(210.6-32.9)/3=60m3/s經(jīng)過(guò)與選定月份的比較發(fā)現(xiàn)該次計(jì)算不合理，月份流量小于該流量未達(dá)到計(jì)算要求重新計(jì)算計(jì)算的年限為1975.8W=115.4Q=(115.4-32.9)/1=83m3/s經(jīng)過(guò)與選定月份的比較發(fā)現(xiàn)該次計(jì)算合理故：Q=83m3/s日期天然流量調(diào)節(jié)流量水庫(kù)蓄水量平均蓄水量水頭損失凈水頭1975.35.75.7030300.8520.151975.415.615.6030300.8510.151975.525.525.5030300.857.151975.650.850.8030300.853.151975.744.444.4030300.851.151975.8115.48332.43046.20.8513.151975.918.318.3062.462.40.8523.151975.103434062.462.40.8513.151975.1112.219.1-6.962.458.950.8514.151975.1210.219.1-8.955.551.050.8513.151976.1519.1-14.146.639.550.8511.151976.216.119.1-332.5310.859.1529.5（2）結(jié)果計(jì)算第一組枯水年凈水頭出力9.351041.12257.15899.4712.151528.4715.151905.8722.152786.4733.152338.732525.151774.332524.151703.782519.151351.032517.151209.932515.151068.832514.15998.282513582620.9平水年凈水頭出力0.1537.232.15533.6315.153760.2322.154160.877527.154477.03528.153134.502523.152715.49523.152577.752519.152213.7417.151909.652514.151575.602510.151130.202520604943.5豐水年凈水頭出力19.35937.50759.351239.816.351376.36252.351014.730.35132.0911.157307.152521.153289.882516.154667.3514.152417.527512.152075.827510.151734.12759.151563.277520261620.85E年=13（第二組枯水年凈水頭出力9.351041.12255.15678.51259.151205.512510.151337.262518.152391.262532.152131.54525.151667.44524.151601.14519.151269.64517.151137.04515.151004.44514.1593888平水年凈水頭出力1.15286.40752.15535.457514.153524.057523.154348.727528.154641.93530.153229.06523.152715.49525.152693.56519.152213.7419.152050.96516.151729.66512.151301.26521367351.85豐水年凈水頭出力21.151024.717511.151478.498.151766.51254.151791.972.15811.4113.15894223.153600.982516.154667.3514.152369.417512.152034.517511.151867.06759.151532.167523277219.83E年=13（第三組枯水年凈水頭出力9.351041.12259.151244.411.151516.414.151924.421.152876.436.152304.562526.151667.062525.151603.312524.151539.562517.151093.312516.151029.562515.15965.812513728314.3平水年凈水頭出力0.1538.252.15548.2515.153863.2522.154160.877527.154477.03532.153279.323.152715.49527.152769.319.152213.7421.152157.318.151851.314.151443.321547700.18豐水年凈水頭出力20.15976.267510.151345.897.151549.76253.151360.171.15434.0113.159277.32523.153600.982513.153800.3514.152297.252513.152134.902511.151810.20259.151485.502521953010.78E年=13（2.3.3水利動(dòng)能經(jīng)濟(jì)計(jì)算（1）所需資料及公式由施工進(jìn)度及工程概算定出水電站的施工期限m=4年。計(jì)算出水電站的造價(jià)原值及折現(xiàn)至施工期末的折算造價(jià)RP1=K1rACh按照規(guī)范計(jì)算水電站正常運(yùn)行期的年運(yùn)行費(fèi)U（2）計(jì)算結(jié)果水電站水庫(kù)正常蓄水位方案比較表方案1方案2方案31正常蓄水位2022042062保證出力150014811615.63多年平均電能13582620.911974253.8813728314.34造價(jià)原值52241.1253345.8958968.625折算造價(jià)60032.5364908.1269061.686本利年攤還值4907.235305.785727.047運(yùn)行費(fèi)914.22988.741066.958年費(fèi)用5821.456294.256973.99結(jié)論：由以上的數(shù)據(jù)選擇Z=202m2.4死水位的選擇已知資料或求得資料已知正常蓄水位分別為202、204、206米，三個(gè)死水位方案（182.2米，184.1米，186.03米）進(jìn)行計(jì)算。第一組Z蓄=202米V=16059萬(wàn)Z死=182.2米V死V興=16059-6000=10059萬(wàn)第二組Z蓄=204米V=17304萬(wàn)Z死=184.1米V死=8000V興=17304-8000=9304萬(wàn)第三組Z蓄=206米V=18635萬(wàn)Z死=186.03米V死=10000V興Z蓄Z死=V興=16059-6000=10059萬(wàn)m3=38.3m3/計(jì)算供水期使用流量計(jì)算的年限為1996.8至1997.2W=1.3+1.4+1.5+2.7+2.3+3.8+6.5=19.5Q=(19.5+38.3)/7=8.3m3/s經(jīng)過(guò)與選定月份的比較發(fā)現(xiàn)該次計(jì)算合理故：Q=8.3m3/s計(jì)算蓄水使用流量計(jì)算的年限為1996.3至1996.7W=13.1+26.5+23.1+16.6+31.2=110.5Q=(110.5-38.3)/5=14.44m3/s經(jīng)過(guò)與選定月份的比較發(fā)現(xiàn)該次計(jì)算不合理