湖南鎮(zhèn)水電站水能規(guī)劃及調(diào)度圖繪制計算書

TOC\o"1-5"\h\z\o"CurrentDocument"第一章緒論 4\o"CurrentDocument"第二章水能規(guī)劃 4徑流調(diào)節(jié) 4水量差積曲線 4水庫調(diào)節(jié)性能的判斷 4水庫設(shè)計保證率 5水量差積曲線 5正常蓄水位的確定 6死水位的選擇 17死水位選擇的步驟 17\o"CurrentDocument"死水位的確定 18裝機容量的選擇 21最大工作容量的確定 21\o"CurrentDocument"典型日負(fù)荷圖及日電能累積曲線的繪制 30\o"CurrentDocument"最大工作容量的確定 32\o"CurrentDocument"備用容量的確定 39負(fù)荷備用容量 39事故備用容量 40\o"CurrentDocument"檢修容量的確定 40重復(fù)容量的確定 40\o"CurrentDocument"裝機容量的確定 40\o"CurrentDocument"電力電能平衡圖 41\o"CurrentDocument"受阻容量的確定 41出力限制線的繪制 41受阻容量 42\o"CurrentDocument"電力電能平衡 42水庫防洪設(shè)計 45水庫上游水位與下泄流量關(guān)系曲線 45\o"CurrentDocument"水庫100年一遇的洪水調(diào)洪演算 46\o"CurrentDocument"水庫千年一遇的設(shè)計洪水調(diào)洪演算 46\o"CurrentDocument"水庫萬年一遇的校核洪水 52\o"CurrentDocument"防洪設(shè)計成果 55\o"CurrentDocument"水庫調(diào)度圖的繪制 55\o"CurrentDocument"第三章樞紐布置及擋水、泄水建筑物設(shè)計 65樞紐布置 65壩軸線選擇 65壩型 65樞紐布置 65\o"CurrentDocument"擋水建筑物設(shè)計 65\o"CurrentDocument"壩頂高程確定 65\o"CurrentDocument"322基本剖面設(shè)計 67按應(yīng)力條件確定的壩底最小寬度 67按穩(wěn)定條件確定得壩底最小寬度 67\o"CurrentDocument"廊道及排水布置 67基礎(chǔ)帷幕灌漿廊道 67基礎(chǔ)排水廊道 67縱向排水廊道 68\o"CurrentDocument"非溢流壩穩(wěn)定和應(yīng)力分析 69\o"CurrentDocument"3.3泄水建筑物設(shè)計 81\o"CurrentDocument"溢流壩剖面設(shè)計 81堰頂高程 81堰上曲線及上游曲線 82\o"CurrentDocument"溢流壩穩(wěn)定和應(yīng)力分析 83\o"CurrentDocument"挑距及沖刷坑估算 95\o"CurrentDocument"第四章水電站廠房設(shè)計 96\o"CurrentDocument"特征水頭選擇 96最大水頭Hmax的選擇 96\o"CurrentDocument"最小水頭Hmin的選擇 97\o"CurrentDocument"加權(quán)平均水頭Hav的選擇 97設(shè)計水頭Hr的選擇 97\o"CurrentDocument"水輪機選型設(shè)計 97\o"CurrentDocument"蝸殼設(shè)計 103\o"CurrentDocument"尾水管設(shè)計 103\o"CurrentDocument"水輪發(fā)電機外形尺寸設(shè)計 104\o"CurrentDocument"基本尺寸的計算 104\o"CurrentDocument"軸向尺寸計算 105\o"CurrentDocument"發(fā)電機重量估算 106\o"CurrentDocument"調(diào)速器與油壓裝置的選擇 106\o"CurrentDocument"調(diào)速功的計算 106\o"CurrentDocument"接力器的選擇 107\o"CurrentDocument"調(diào)速器的選擇 108\o"CurrentDocument"油壓裝置的選擇 108\o"CurrentDocument"廠房起重設(shè)備 108\o"CurrentDocument"廠房布置 108\o"CurrentDocument".水輪機的安裝高程 108\o"CurrentDocument"主廠房開挖高程 109\o"CurrentDocument"水輪機層地面高程 109\o"CurrentDocument"發(fā)電機定子安裝高程V3 109\o"CurrentDocument"發(fā)電機層樓板高層 110\o"CurrentDocument"裝配場層高程V5 110吊車軌道頂部高程V6 110\o"CurrentDocument"主廠房頂高程 110\o"CurrentDocument".廠房寬度的確定 110\o"CurrentDocument"主廠房寬度的確定 110\o"CurrentDocument"裝配場寬度的確定 111\o"CurrentDocument"主廠房長度 111機組段長度 111端機組長 111裝配場長度 112廠房總長度L 112\o"CurrentDocument"副廠房以及其他的相關(guān)的尺寸見水輪機層發(fā)電機層的剖面圖。 112\o"CurrentDocument"油系統(tǒng)的布置 112\o"CurrentDocument"供水系統(tǒng) 112\o"CurrentDocument"排水系統(tǒng) 112\o"CurrentDocument"廠區(qū)布置 112第一章緒論詳見說明書。第二章水能規(guī)劃徑流調(diào)節(jié)水量差積曲線水庫調(diào)節(jié)性能的判斷通常用庫容系數(shù)B(4=匕/噸/)反映水庫興利調(diào)節(jié)能力。當(dāng)B<2%時，水庫為日調(diào)節(jié)水庫；當(dāng)2%<B<30%時，水庫為年調(diào)節(jié)水庫；當(dāng)B>30%事，水庫為多年調(diào)節(jié)水庫。由湖南鎮(zhèn)水電站多年壩址處的平均流量算出多年平均流量為0=84.08立方/秒則多年平均水量為Wi］；_=84.08x2.63x1心x12=2.65x109m3正常蓄水位有以下三個方案:227m、230m、233m,對應(yīng)的庫容分別為：1464.24x1O'n?、1584.24xl06m\1715.99xl06m3o流量為0時，對應(yīng)的水庫壩址處水位為122.60m,三個方案所能集中的最大水頭分別為104.4m,107.4m,110.4m,壩式年調(diào)節(jié)水電站的h產(chǎn)(25%-30%)H,對應(yīng)的消落深度為33m,36m,38m,由此得到對應(yīng)的死水位為194m,194m,195m。查出對應(yīng)的庫容為526.82x1()6m3,526.82x106m\544.87x106m3,求出興利庫容為937.42x106m3,1057.42xl06m3,1171.12xl06m3,則庫容系數(shù)分別為：(937.42X106)/(2650X106)=35.4%一=%%=(1057.42X106)/(2650X106)=39.9%A=43/雙F=(1171.12X106)/(2650X106)=44.2%庫容系數(shù)加、M、后都大于30%,因此判定湖南鎮(zhèn)水庫為多年調(diào)節(jié)水庫水庫設(shè)計保證率水電站的設(shè)計保證率直接關(guān)系到水庫的供電可靠性、水能資源利用程度及電站造價。本水電站位于華東電網(wǎng)，為多年調(diào)節(jié)水電站，根據(jù)水電站在電力系統(tǒng)所占比重，及灌溉、供水和通航等設(shè)計要求，擬定本水庫的設(shè)計保證率為90%水量差積曲線本水庫是多年調(diào)節(jié)水庫，具有長系列的水文資料，首先求出多年水量的平均值，取一整數(shù)，作為多年水量定值。水量差積值計算公式見式(2-2)：%=[(Q-QQdt=jQdt-[Q.dt (2-2)近似表示為：W『t(Q—QQAt (2-3)to式中Q一在式(2-2)式(2-3)中分別為瞬時流量和時段時段平均流量，nr'/s；Q定一多年流量定值，m3/s；W萃取一水量差積值，(m'7s),月為避免出現(xiàn)不必要的錯誤，選年差積點作為控制點，則控制點的水量差積值為：AW=年水量-年水量定值 (2一4)根據(jù)已算出的多年平均流量及所給的水文資料可繪出長系列的水量差積曲線，簡圖見圖2T,具體曲線詳圖見附圖。2.1.1.4正常蓄水位的確定三個正常蓄水位水位對應(yīng)三個興利庫容，根據(jù)各自的興利庫容在水量差積曲線圖上繪出三條滿庫曲線。本水庫是多年調(diào)節(jié)水庫，具有長系列的水文資料，因此采用圖解法求各正常蓄水位下的調(diào)節(jié)流量。找出水量差積曲線和滿庫線之間的控制點，用繃線法將各控制點連接，確定水庫的供水期、蓄水期及不蓄不供期，在流量比尺上讀出各時段的調(diào)節(jié)流量各時段調(diào)節(jié)流量如下表所示：①正常蓄水為227m經(jīng)過作圖和計算校核，得到了如下的各不同時期的時段劃分，及各時段的出力正常蓄水位為227m供水期的劃分時間段調(diào)節(jié)流量立方米/秒上游水位（米）下游水位（米）水頭（米）保證出力（kW）月數(shù)電能（億kW?h）1951,6-1952,180.456213.51123.3690.1561651.421473.1486613941952,7-1953,4102.532213.51123.519078436.9895.1504858551954,7-1955,272.577213.51123.3190.255644.785972.8418905051955,6-1956,258.293213.51123.2190.344742.7921582.6115472921957,6-1958,267.711213.51123.2790.2451937.0454483.0314614681958,5-1959,174.443213.51123.3290.1957069.1204583.3310104221959,9-1961,168.627213.51123.2890.2352633.82078166.1442617031961,6-1962,264.499213.51123.2590.2649484.2777982.8882983261962,8-1964,269.152213.51123.2890.2353036.47216186.965173816

1964,6-1965,362.131213.51123.2390.2847678.0867893.130733891966,7-1967,267.28213.51123.2790.2451606.451272.6356446761967,6-1968,254.075213.51123.1890.3341519.0553782.4233842241968,7-1969,176.558213.51123.3490.1758677.4963162.5686660781969,7-1970,273.974213.51123.3290.1956709.5780172.8962715681970,7-1972.161.824213.51123.2390.2847442.50112186.2305287871973,7-1974,465.229213.51123.2690.2550038.7966393.2857475421975,6-1976,295.411213.51123.4790.0473021.8547484.2621396171976,7-1977,375.899213.51123.3390.1858178.8604783.3957837281977,6-1978,279.411213.51123.3690.1560850.6640383.551731558備注：供水期總電能為70.49億kW?h蓄水期的劃分時間段調(diào)節(jié)流量立方米/秒上游水位（米）下游水位（米）水頭（米）保證出力（kW）月數(shù)電能（億kW-h）1950.1-1951.693.106213.51123.4590.0671273.57406178.8402039381952.2-1952.7154.142213.51123.7989.72117551.77254.2882886441954.4-1954.7225.237213.51124.1589.36171081.015733.7446212721955.4-1955.6116.855213.51123.5989.9289314.613621.3032788421956.2-1957.676.896213.51123.3490.1758936.55472166.8800176521958.2-1958.5100.237213.51123.590.0176689.8251531.6785868931959.1-1959.686.762213.51123.4190.166446.677752.4239748021961.1-1961.671.442213.51123.390.2154780.6539751.9983982571962.3-1962.7138.428213.51123.7189.8105662.092443.0836425051964.4-1964.685.355213.51123.490.1165376.3819320.9539721651965.3-1966.775.857213.51123.3390.1858146.66621166.7878092271967.4-1967.6110.855213.51123.5689.9584756.9616321.2367735841968.3-1968.781.778213.51123.3790.1462657.4858241.8285960661969.1-1969.795.318213.51123.4790.0472950.6781263.1934888851970.2-1970.7118.942213.51123.689.9190899.6393753.3160188441973.3-1973.6167.903213.51123.8789.64127932.011832.8001758751975.3-1975.6189.903213.51123.9989.52144500.990833.1628376861976.2-1976.7134.342213.51123.6989.82102566.086753.7416108441977.3-1977.6135.237213.51123.6989.82103249.392432.2599227011978.2-1978.796.724213.51123.4890.0374018.5246252.700195778

備注：蓄水期總電能為66.22億kW?h不蓄不供期的劃分時間段調(diào)節(jié)流量立方米/秒上游水位（米）下游水位（米）水頭（米）保證出力（kW）月數(shù)電能（億kW?h）1952.1-1952.2124213.51123.6389.8894733.5210.6911757621953.4-1954.3106.427213.51123.5389.9881398.56241116.5327230251954.3-1954.4213213.51124.189.41161876.80511.1810531691955.2-1955.496.85213.51123.4890.0374114.9467521.0814853031959.6-1959.971.033213.51123.390.2154467.0389131.1921745481962.2-1962.3120213.51123.6189.99169810.6690286081962.7-1962.898.4213.51123.4990.0275292.72810.5493357431964.2-1964.476.3213.51123.3390.1858486.23920.8534311991967.2-1967.393.5213.51123.4590.0671575.18510.522212551967.3-1967.4105213.51123.5389.9880307.1510.5859209661968.2-1968.356.4213.51123.1990.3243299.40810.3159124811972.1-1973.264.015213.51123.2590.2649112.94815134.6582649061973.2-1973.397213.51123.4890.0374229.73510.5415801471973.6-1973.792213.51123.4490.0770434.7410.5138918631974.4-1975.167.313213.51123.2790.2451631.7635293.390348121975.1-1975.298213.51123.4990.0274986.6610.5471026711975.2-1975.3116213.51123.5989.9288661.1210.646871532備注：不蓄不供期的總電能為24.47億kW?h總電能為161.188349502061億KW.H,年平均電能為5.558218948億kW?h②正常蓄水為230m時正常蓄水位為230nl供水期的劃分時間段調(diào)節(jié)流量立方米/秒上游水位（米）下游水位（米）水頭（米）保證出力（kW）月數(shù)電能（億kW?h）1951.6-1952.187.137215.49123.4192.0868200.3871673.48311952.7-1954.3107.137215.49123.5491.9583735.600782012.2191954.7-1955.279.259215.49123.3592.1462074.8562173.17031955.6-1956.264.139215.49123.2592.2450287.5415682.93521957.6-1958.273.558215.49123.3192.1857634.8997483.3641959.9-1962.269.586215.49123.2992.254534.54822911.5391964.6-1965.367.328215.49123.2792.2252776.3993693.46551967.6-1968.359.53215.49123.2292.2746689.0813593.06581969.7-1970.280.656215.49123.3692.1363162.1168873.22581970.7-1973.264.252215.49123.2592.2450376.138083111.3941973.7-1975.168.869215.49123.2892.2153978.48917187.08891975.6-1976.2101.258215.49123.5191.9879166.5421484.62081976.7-1977.381.745215.49123.3792.1264007.969983.736

1977.6-1978.285.258215.49123.492.0966736.9783783.8953備注：供水期總電能為77.20196226億kW?h蓄水期的劃分時間段調(diào)節(jié)流量立方米/秒上游水位（米）下游水位（米）水頭（米）保證出力（kW）月數(shù)電能（億kW?h）1950.1-1951.690.355215.49123.4392.0670703.69105178.76951952.2-1952.7144.788215.49123.7491.75112916.541554.11921954.3-1954.6204.313215.49124.0691.43158782.869533.47541955.2-1955.695.16215.49123.4792.0274431.297242.17221956.2-1956.967.849215.49123.2792.2253184.7956372.71631958.2-1958.584.647215.49123.3992.166265.9039531.45041962.3-1962.7126.735215.49123.6491.8598945.1828842.88761967.2-1967.693.36215.49123.4592.0473039.262412.13161969.1-1969.787.523215.49123.4192.0868502.5016462.99881970.2-1970.7109.588215.49123.5591.9485641.9261253.12421973.3-1973.6152.313215.49123.7891.71118733.314532.59881975.3-1975.6174.313215.49123.991.59135705.285232.97031976.2-1976.7124.988215.49123.6391.8697591.8802853.56021977.3-1977.6119.647215.49123.6191.8893441.9140632.04531978.2-1978.787.388215.49123.4192.0868396.8398452.4951蓄水期總電能為47.5148942773536億kW?h不蓄不供期的劃分時間段調(diào)節(jié)流量立方米/秒上游水位（米）下游水位（米）水頭（米）保證出力（kW）月數(shù)電能（億kW?h）1952.1-1952.2124215.49123.6391.8696820.4410.70641954.6-1954.7229215.49124.1791.32177754.3811.29691956.9-1957.678.737215.49123.3592.1461666.0310394.04921958.5-1959.679.181215.49123.3592.1462013.76739135.88191959.6-1959.971.033215.49123.392.1955662.524331.21831962.2-1962.3120215.49123.6191.8893717.610.68381962.7-1962.898.4215.49123.499276948.810.56141962.8-1964.671.275215.49123.392.1955852.15913228.9649

1965.3-1967.273.247215.49123.3192.1857391.22191239.63071968.3-1969.178.646215.49123.3592.1461594.76074104.4941973.2-1973.397215.49123.4892.0175862.24510.55351973.6-1973.792215.49123.4492.0571983.110.52521975.1-1975.298215.49123.49927663610.55911975.2-1975.3116215.49123.5991.990613.410.6611備注：不蓄不供期的總電能為39.7864742787053億kW?h總電能為166.4424415億KW.H,年平均電能為5.739394534億kW?h③正常蓄水為233時正常蓄水位為233m供水期的劃分時間段調(diào)節(jié)流量立方米/秒上游水位（米）下游水位（米）水頭（米）保證出力（kW）月數(shù)電能（億kW?h）1952.7-1954.3109.175217.78123.5594.2387444.26212012.759867

1955.6-1956.269.543217.78123.2994.4955854.503683.26011571959.6-1962.271.073217.78123.394.4857077.30483213.3259531962.8-1965.371.524217.78123.394.4857439.49393112.9914351967.6-1968.364.333217.78123.2594.5351691.887293.39429611970.7-1973.265.646217.78123.2694.5252741.30933111.9288181973.7-1975.171.271217.78123.394.4857236.3147187.51673071975.6-1976.2106.661217.78123.5494.2485439.727484.9869461976.7-1977.387.149217.78123.4194.3769906.134684.0802813供水期總電能為74.24444235億kW?h蓄水期的劃分時間段調(diào)節(jié)流量立方米/秒上游水位（米）下游水位（米）水頭（米）保證出力（kW）月數(shù)電能（億kW?h）1952.2-1952.7136.142217.78123.794.08108870.03553.97157891954.3-1954.7199.678217.78124.0493.74159101.43444.64321621958.2-1959.677.504217.78123.3494.4462215.561167.26279571962.2-1962.7116.742217.78123.5994.1993465.396353.40961771967.2-1967.682.553217.78123.3894.466240.527241.93316351970.2-1970.7100.942217.78123.5194.2780884.319952.950661973.3-1973.6137.903217.78123.7194.07110266.54932.41351421975.3-1975.6159.903217.78123.8293.96127708.1332.79527551976.2-1976.7116.342217.78123.5994.1993145.150353.39793511977.3-1977.6105.237217.78123.5394.2584307.991631.8453333蓄水期的總電能為34.6230902017306億kW?h不蓄不供期的劃分時間段調(diào)節(jié)流量立方米/秒上游水位（米）下游水位（米）水頭（米）保證出力（kW）月數(shù)電能（億kW?h）1950.1-1952.189.417217.78123.4394.3571710.19862412.5567431952.1-1952.2124217.78123.6394.1599234.110.7240121954.7-1955.685.041217.78123.494.3868222.4414115.47526031956.2-1958.273.835217.78123.3294.4659282.85992410.3806661962.7-1962.898.4217.78123.4994.2978864.15610.57539291965.3-1967.273.247217.78123.3194.4758816.9748239.86995891968.3-1969.178.646217.78123.3594.4363125.6051104.60564421969.1-1970.283.825217.78123.3994.3967254.0549136.37891261973.2-1973.397217.78123.4894.377750.3510.56726661973.6-1973.792217.78123.4494.3473773.8810.53825421975.1-1975.298217.78123.4994.2978543.5710.57305391975.2-1975.3116217.78123.5994.1992871.3410.67758931977.6-1978.786.077217.78123.494.3869053.5517136.5495913不蓄不供期總電能為59.4723445240973億kW?h總電能為168.339877079096億KW.H,年平均電能為5.804823348億kW?h④水利動能經(jīng)濟計算：1）水電站必須容量：正常蓄水位227m：NM.,=5l=5-56x1&=185.274MWTOC\o"1-5"\h\zh年 3000正常蓄水位230m：Nm2=—=57394x10=1913J.卬% 3000正常蓄水位233m：N水必3= =5-8048xlQ5=193A94MWh年 3000式中“年為裝機容量年利用小時數(shù)，取為3000h2）水電站造價原值：根據(jù)已知資料，水電站單位千瓦投資Kq6500元/千瓦,水電站增加單位千瓦投資AKq4200元/千瓦，以正常蓄水位227m為基準(zhǔn)，分別計算正常蓄水位為227m、230m、233m三種方案對應(yīng)水電站造價原值K。正常蓄水位227m：/f]=650x185.274=120428.1萬元正常蓄水位230m：?2=650x191.313=124353.55萬元正常蓄水位233m：K3=650x193.494=125771.17萬元3）正常蓄水位為227m、230m、233m三種方案對應(yīng)水電站施工工期m都是4年（包括初始運行期）4）水電站折算造價K：（折算因子/0.08）按照各年投資平均分配，且投資在年初，分別計算正常蓄水位為227m、230m、233m三種方案對應(yīng)水電站折現(xiàn)至施工期末的折算造價K。K\=120428.l/4x2（1+0.08）'=146518.85萬元/=1K2=124353.55/4xZ(|+0.08)'=151294.77萬元i=\4/C3=125771.17/4x^(l+0.08),=153019.53萬元1=1)水電站本利年攤還值Rp=K(A/P,r0,m)按規(guī)范，取水電站投資收益率「0=0.08,經(jīng)濟壽命“1=50年。D 0.08(1+O.O8)50，……—一Rp\=146518.85x =11976.87萬兀(1+O.O8)50-!Rpi=151294.77X0-08(1+0^8)50=12367.27萬元

(1+O.O8)50-!Rn=153019.53x— =12508.25萬兀(1+O.O8)50-16)水電站正常年運行費U=Kxl.75%[7^120428.1x1.75%=2107.49萬元t/2=124353.55xl.75%=2176.19萬元(73=125771.17x].75%=2201萬元7)水電站年費用AChi=RPi+Ut=11976.87+2107.49=14084.36萬元ACh2=/?P2+C/2=12367.27+2176.19=14543.45萬元AC%3=Rn+t/3=12508.25+2201=14709.25萬元8)替代電站補充必需容量△N2=1O5AN1△7V2i=1.O5a/Vh=1.05x(193.494-185.274)=8.63MW△N22=L05ANi2=1.05x(193.494-191.313)=2.29MW△M3=0MW9)替代電站補充年電量△&=1.05AEi△￡|i=2.466萬MWh；△￡i2=0.654萬MWh；△Ei3=0萬MWh△E2i=1.05AEn=2.589萬MWh△￡22=105aEi2=0.687萬MWh△E23=0萬MW-h10)替代電站補充造價原值△K3=8OOaN2△K'2i=800△Mi=6904.92萬元△K’22=800△N22=1832萬元△K’23=800A?V23=O萬元11)替代電站補充折算造價△七4△K，=6904.92/4x (1+0.08),=8400.876萬元1=14△&2=1832/4x￡(1+0.08),=2228.912萬元/=1△6=0萬元12)替代電站補充造價本利年攤還值△Rp2=AK2(4P,r0,n2)，其中律2=25。△Rp2/=8400.876x^P8(1+O,28)'=786.984萬元(1+0.08)25-1△R尸22=2228.912x—— =208.802萬兀(1+0.08)25_]△&P23=0萬元13)替代電站補充年運行費△U2=4K%x5%△。2產(chǎn)△K’2]X5%=6904.923x5%=345.25萬元A(722=a^22x5%=1832x5%=91.6萬元14)替代電站補充年燃料費△02△U'2產(chǎn)△&ix2%=2589x2%=51.79萬元△U’22=AE22x2%=687x2%=13.74萬元△U'23=015)替代電站補充年費用AGAC”=ARp27+△t/21+AU%=1184.02萬兀AC,2=ARp22+A。22+△U'n=314.14萬兀ACt產(chǎn)kRp23+XU[3+XU'i3=0萬兀16)系統(tǒng)年費用AGACS\=ACh\+ACt\=15268.38萬元AC$2=AG2+ACf2=14857.60萬元A。=AC/,3+AC,3=14709.25萬元

正常蓄水位為227m、230m、233m三種方案水利動能經(jīng)濟計算成果見表水利動能經(jīng)濟計算成果表序號項目單位方案一方案二方案三1正常蓄水位Zmm2272302332水電站必須容量N1MW185.2739649191.3131511193.49411163△N1MW8.2201466672電站多年平均年電能Eaa萬MW.h55.5821894857.3939453458.048233485△El萬MW.h2.4660440.6542881406水電站造價原值Kl'萬元120428.0772124353.5482125771.17257水電站折算造價K1萬元146518.849151294.7743153019.52738水電站本利年攤還值Rpl萬元11976.8694912367.2672812508.253519水電站正常年運行費U0萬元2107.4913512176.1870942200.99551910水電站年費用ACh萬元14084.3608514543.4543714709.2490311替代電站補充裝機容量AN2MW8.6311542.29000849012替代電站補充年電量AE2萬MW.h2.58934620.687002547013替代電站補充造價原值△K2'萬元6904.92321832.006792014替代電站補充折算造價AK2萬元8400.8764682228.911503015替代電站補充造價本利年攤還值A(chǔ)Rp2萬元786.9838505208.8017082016替代電站補充年運行費AU2萬元345.2461691.6003396017替代電站補充年燃料費AU2'萬元51.78692413.74005094018替代電站補充年費用ACt萬元1184.0169345314統(tǒng)年費用ACs萬元15268.3777814857.5964714709.249032通過對計算結(jié)果的分析，各正常蓄水位方案在技術(shù)上都是可行的。從系統(tǒng)年費用上看233.0m方案較為有利，從經(jīng)濟、技術(shù)、社會、環(huán)境等方面進(jìn)行綜合評價，選擇湖南鎮(zhèn)水電站正常蓄水位233.0m。2.2死水位的選擇死水位選擇的步驟正常蓄水位已定的情況下，死水位選擇的步驟如下：(1)根據(jù)已定的正常蓄水位，確定三個相應(yīng)的死水位方案(199m,197m,195m)；(2)對三個死水位方案求得相應(yīng)的興利庫容和水庫消落深度；然后對每個方案進(jìn)行徑流調(diào)節(jié)，求得各個方案的調(diào)節(jié)流量(3)對三個死水位方案，計算保證出力，根據(jù)保證出力最大的原則選定死水位方案。根據(jù)計算分析，本水庫的設(shè)計保證率為90%,則允許破壞年數(shù)為：7\t=n-P(n+1)=2年在每種方案中，流量從最小往大選，去掉允許破壞年2年，每種方案時間段的選擇與徑流調(diào)節(jié)與保證出力計算如下表所示:死水位為199m時徑流調(diào)節(jié)與保證出力計算表時段t單位1970年8月91011121971,1234567891011月平均天然深水m3/s25.1050.4036.7016.5041.8015.4013.9025.1070.90133.00184.0010.308.9137.8010.605.44Q調(diào)65.2565.2565.2565.2565.2565.2565.2565.2565.2565.2565.2565.2565.2565.2565.2565.25水庫供水流量40.1514.8528.5548.7523.4549.8551.3540.15-5.65-67.75-118.7554.9556.3427.4554.6559.81水庫供水量億m31.060.390.751.280.621.311.351.06-0.15-1.78-3.121.451.480.721.441.57時段初水庫蓄水量17.1616.1015.7114.9613.6813.0611.7510.409.359.4911.2814.4012.9511.4710.759.31時段末水庫蓄水量16.1015.7114.9613.6813.0611.7510.409.359.4911.2814.4012.9511.4710.759.317.74時段初上游水位Z初m233.00230.60229.68227.80224.55220.03215.04215.00210.01210.02215.03225.01220.03215.03215.01210.01時段末上游水位Z末230.60229.68227.80224.55220.03215.04215.00210.01210.02215.03225.01220.03215.03215.01210.01205.01月平均上游水位Z上231.80230.14228.74226.18222.29217.53215.02212.51210.02212.52220.02222.52217.53215.02212.51207.51月平均下游水位Z下123.26123.26123.26123.26123.26123.26123.26123.26123.26123.26123.26123.26123.26123.26123.26123.26水電站平均水頭H108.54106.88105.48102.9299.0394.2791.7689.2586.7689.2696.7699.2694.2791.7689.2584.25月平均出力N萬kW6.025.935.855.715.495.235.094.954.814.955.375.515.235.094.954.67保證出力萬kW5.30

死水位為197m時徑流調(diào)節(jié)與保證出力計算表時段t單位1970年8月91011121971,1234567891011月平均天然深水m3/s25.1050.4036.7016.5041.8015.4013.9025.1070.90133.00184.0010.308.9137.8010.605.44Q調(diào)67.1367.1367.1367.1367.1367.1367.1367.1367.1367.1367.1367.1367.1367.1367.1367.13水庫供水流量42.0316.7330.4350.6325.3351.7353.2342.03-3.77-65.87-116.8756.8358.2229.3356.5361.69水庫供水量億m31.110.440.801.330.671.361.401.11-0.10-1.73-3.071.491.530.771.491.62時段初水庫蓄水量17.1616.0515.6114.8113.4812.8211.4610.068.959.0510.7813.8612.3610.8310.068.57時段末水庫蓄水量16.0515.6114.8113.4812.8211.4610.068.959.0510.7813.8612.3610.8310.068.576.95時段初上游水位Z初m233.00230.00225.04227.43224.01222.17215.03210.04210.00210.00215.01225.00220.01215.01210.04205.04時段末上游水位Z末230.00225.04227.43224.01222.17215.03210.04210.00210.00215.01225.00220.01215.01210.04205.04200.02月平均上游水位Z上231.50227.52226.24225.72223.09218.60212.54210.02210.00212.51220.01222.50217.51212.53207.54202.53月平均下游水位Z下123.27123.27123.27123.27123.27123.27123.27123.27123.27123.27123.27123.27123.27123.27123.27123.27水電站平均水頭H108.23104.25102.97102.4599.8295.3389.2786.7586.7389.2496.7499.2394.2489.2684.2779.26月平均出力N萬kW6.185.955.885.855.705.445.094.954.955.095.525.665.385.094.814.52保證出力萬kW5.38死水位為195m時徑流調(diào)節(jié)與保證出力計算表時段t單位1970年8月91011121971,1231567891011月平均天然深水m3/s25.1050.4036.7016.5041.8015.4013.9025.1070.90133.00184.0010.308.9137.8010.605.44Q調(diào)69.0069.0069.0069.0069.0069.0069.0069.0069.0069.0069.0069.0069.0069.0069.0069.00水庫供水流量43.9018.6032.3052.5027.2053.6055.1043.90-1.90-64.00-115.0058.7060.0931.2058.4063.56水庫供水量億nr,1.150.490.851.380.721.411.451.15-0.05-1.68-3.021.541.580.821.541.67時段初水庫蓄水量17.1616.0115.5214.6713.2912.5711.169.718.568.6110.2913.3111.7710.199.377.83

時段末水庫蓄水量16.0115.5214.6713.2912.5711.169.718.568.6110.2913.3111.7710.199.377.836.16時段初上游水位Z初m233.00230.37229.18227.06223.46221.49217.34212.69208.63208.82214.64223.54219.20214.31211.53206.71時段末上游水位Z末230.37229.18227.06223.46221.49217.34212.69208.63208.82214.64223.54219.20214.31211.53206.71198.51月平均上游水位Z上231.69229.78228.12225.26222.47219.41215.01210.66208.72211.73219.09221.37216.75212.92209.12202.61月平均下游水位Z下123.28123.28123.28123.28123.28123.28123.28123.28123.28123.28123.28123.28123.28123.28123.28123.28水電站平均水頭H108.41106.50104.84101.9899.1985.1383.7387.3885.4488.4595.8198.0993.4789.6485.8479.33月平均出力N萬kW6.366.256.155.985.825.645.385.125.015.195.625.755.485.265.034.65保證出力萬kW5.542.2.3死水位的確定以保證出力最大為原則,選擇死水位為195m的方案，其設(shè)計死水位較低，水庫調(diào)度靈活，調(diào)節(jié)庫容大，相應(yīng)的調(diào)節(jié)流量也較大,便于滿足用水要求。2.3裝機容量的選擇最大工作容量的確定日最大負(fù)荷及累積電能的計算1）設(shè)計負(fù)荷水平年的最大負(fù)荷為90萬kW,各月典型日負(fù)荷見表:時序'月123456789101112165.2763.9463.0061.6660.3258.9660.3061.6463.0064.3465.6866.60263.5062.2161.2059.9058.6057.2058.5059.8061.2062.5063.8064.80361.7460.4859.4058.1456.8755.4456.7057.9659.4060.6661.9363.00459.9858.7557.6056.3755.1553.6854.9056.1257.6058.8360.0561.20563.5062.2159.4058.1456.8755.4456.7057.9659.4060.6661.9364.80665.2763.9463.0061.6660.3258.9660.3061.6463.0064.3465.6866.60770.5669.1266.6065.1863.7762.4863.9065.3266.6068.0269.4372.00877.6276.0370.2068.7167.2166.0067.5069.0070.2071.6973.1979.20984.6782.9477.4075.7574.1172.1673.8075.4477.4079.0580.6986.401081.1479.4975.6073.9972.3870.4072.0073.6075.6077.2178.8282.801177.6276.0372.0070.4768.9467.7669.3070.8472.0073.5375.0679.201274.0972.5870.2068.7167.2166.0067.5069.0070.2071.6973.1975.601370.5669.1268.4066.9465.4964.2465.7067.1668.4069.8671.3172.001472.3270.8572.0070.4768.9467.7669.3070.8472.0073.5375.0673.801574.0972.5873.8072.2370.6669.5271.1072.6873.8075.3776.9475.601675.8574.3075.6073.9972.3870.4072.0073.6075.6077.2178.8277.401779.3877.7677.4075.7574.1172.1673.8075.4477.4079.0580.6981.001882.9181.2281.0079.2877.5575.6877.4079.1281.0082.7284.4584.601988.2086.4084.6082.8081.0079.2081.0082.8084.6086.4088.2090.002086.4484.6782.8081.0479.2877.4479.2080.9682.8084.5686.3288.202182.9181.2279.2077.5175.8373.9275.6077.2879.2080.8982.5784.602279.3877.7677.4075.7574.1172.1673.8075.4477.4079.0580.6981.002372.3270.8572.0070.4768.9467.7669.3070.8472.0073.5375.0673.802468.8067.3966.6065.1863.7761.6063.0064.4066.6068.0269.4370.20

2）各月日電能累積曲線計算見下表:1月日電能累積計算表T（h）負(fù)荷排序AN△E累積電能自下而上（75kW）（萬kW）（萬kWh）165.2759.9859.981439.421439.42263.5061.741.7640.571480.00361.7463.501.7638.811518.80459.9863.500.000.001518.80563.5065.271.7635.281554.08665.2765.270.000.001554.08770.5668.803.5363.501617.59877.6270.561.7629.991647.58984.6770.560.000.001647.581081.1472.321.7626.461674.041177.6272.320.000.001674.041274.0974.091.7622.931696.971370.5674.090.000.001696.971472.3275.851.7619.401716.371574.0977.621.7617.641734.011675.8577.620.000.001734.011779.3879.381.7614.111748.121882.9179.380.000.001748.121988.2081.141.7610.581758.712086.4482.911.768.821767.532182.9182.910.000.001767.532279.3884.671.765.291772.822372.3286.441.763.531776.352468.8088.201.761.761778.112月日電能累積計算表T（h）負(fù)荷排序AN△E累積電能自下而上（萬kW）（萬kW）（萬kWh）163.9458.7558.751410.051410.05262.2160.481.7339.741449.79360.4862.211.7338.021487.81458.7562.210.000.001487.81562.2163.941.7334.561522.37663.9463.940.000.001522.37769.1267.393.4662.211584.58876.0369.121.7329.381613.95

982.9469.120.000.001613.951079.4970.851.7325.921639.871176.0370.850.000.001639.871272.5872.581.7322.461662.341369.1272.580.000.001662.341470.8574.301.7319.011681.341572.5876.031.7317.281698.621674.3076.030.000.001698.621777.7677.761.7313.821712.451881.2277.760.000.001712.451986.4079.491.7310.371722.822084.6781.221.738.641731.462181.2281.220.000.001731.462277.7682.941.735.181736.642370.8584.671.733.461740.102467.3986.401.731.731741.823月日電能累積計算表T（h）負(fù)荷排序△N△E累積電能自下而上（萬kW）（萬kW）（萬kWh）163.0057.6057.601382.401382.40261.2059.401.8041.401423.80359.4059.400.000.001423.80457.6061.201.8037.801461.60559.4063.001.8036.001497.60663.0063.000.000.001497.60766.6066.603.6064.801562.40870.2066.600.000.001562.40977.4068.401.8028.801591.201075.6070.201.8027.001618.201172.0070.200.000.001618.201270.2072.001.8023.401641.601368.4072.000.000.001641.601472.0072.000.000.001641.601573.8073.801.8018.001659.601675.6075.601.8016.201675.801777.4075.600.000.001675.801881.0077.401.8012.601688.401984.6077.400.000.001688.402082.8077.400.000.001688.402179.2079.201.807.201695.602277.4081.001.805.401701.002372.0082.801.803.601704.602466.6084.601.801.801706.404月日電能累積計算表T（h）負(fù)荷排序△N△E累積電能自下而上（萬kW）（萬kW）（萬kWh）161.6656.3756.371352.991352.99259.9058.141.7640.521393.51358.1458.140.000.001393.51456.3759.901.7637.001430.50558.1461.661.7635.231465.74661.6661.660.000.001465.74765.1865.183.5263.421529.16868.7165.180.000.001529.16975.7566.941.7628.191557.341073.9968.711.7626.431583.771170.4768.710.000.001583.771268.7170.471.7622.901606.671366.9470.470.000.001606.671470.4770.470.000.001606.671572.2372.231.7617.621624.291673.9973.991.7615.861640.141775.7573.990.000.001640.141879.2875.751.7612.331652.481982.8075.750.000.001652.482081.0475.750.000.001652.482177.5177.511.767.051659.522275.7579.281.765.291664.812370.4781.041.763.521668.332465.1882.801.761.761670.095月日電能累積計算表T（h）負(fù)荷排序△N△E累積電能自下而上（萬kW）（萬kW）（萬kWh）160.3255.1555.151323.571323.57258.6056.871.7239.641363.21

356.8756.870.000.001363.21455.1558.601.7236.191399.40556.8760.321.7234.471433.87660.3260.320.000.001433.87763.7763.773.4562.041495.91867.2163.770.000.001495.91974.1165.491.7227.571523.491072.3867.211.7225.851549.341168.9467.210.000.001549.341267.2168.941.7222.401571.741365.4968.940.000.001571.741468.9468.940.000.001571.741570.6670.661.7217.231588.981672.3872.381.7215.511604.491774.1172.380.000.001604.491877.5574.111.7212.061616.551981.0074.110.000.001616.552079.2874.110.000.001616.552175.8375.831.726.891623.452274.1177.551.725.171628.622368.9479.281.723.451632.062463.7781.001.721.721633.796月日電能累積計算表T（h）負(fù)荷排序ANAE累積電能自下而上（萬kW）（萬kW）（萬kWh）158.9653.6853.681288.321288.32257.2055.441.7640.481328.80355.4455.440.000.001328.80453.6857.201.7636.961365.76555.4458.961.7635.201400.96658.9658.960.000.001400.96762.4861.602.6447.521448.48866.0062.480.8814.961463.44972.1664.241.7628.161491.601070.4066.001.7626.401518.001167.7666.000.000.001518.001266.0067.761.7622.881540.881364.2467.760.000.001540.881467.7667.760.000.001540.88

1569.5269.521.7617.601558.481670.4070.400.887.921566.401772.1670.400.000.001566.401875.6872.161.7612.321578.721979.2072.160.000.001578.722077.4472.160.000.001578.722173.9273.921.767.041585.762272.1675.681.765.281591.042367.7677.441.763.521594.562461.6079.201.761.761596.327月日電能累積計算表T(h)負(fù)荷排序AN△E累積電能自下而上(75kW)(萬kW)(萬kWh)160.3054.9054.901317.601317.60258.5056.701.8041.401359.00356.7056.700.000.001359.00454.9058.501.8037.801396.80556.7060.301.8036.001432.80660.3060.300.000.001432.80763.9063.002.7048.601481.40867.5063.900.9015.301496.70973.8065.701.8028.801525.501072.0067.501.8027.001552.501169.3067.500.000.001552.501267.5069.301.8023.401575.901365.7069.300.000.001575.901469.3069.300.000.001575.901571.1071.101.8018.001593.901672.0072.000.908.101602.001773.8072.000.000.001602.001877.4073.801.8012.601614.601981.0073.800.000.001614.602079.2073.800.000.001614.602175.6075.601.807.201621.802273.8077.401.805.401627.202369.3079.201.803.601630.802463.0081.001.801.801632.60

8月日電能累積計算表T（h）負(fù)荷排序△N△E累積電能自下而上（萬kW）（萬kW）（萬kWh）161.6456.1256.121346.881346.88259.8057.9