水資源規(guī)劃沅水五強溪水庫水利計算

3 3 3 4 4 5 52興利計算 102.1基本資料整理 102.2死水位的確定 102.3保證出力計算 132.4水電站必需容量選擇 152.5水電站調(diào)度圖繪制 162.6重復(fù)容量選擇與多年平均電能計算 20 243.1水庫調(diào)洪計算 243.2壩頂高程的確定 264經(jīng)濟計算 294.1方案一工程費用 294.2其它方案工程費 32 394.4經(jīng)濟比較 40 45 70五強溪水電站位于湖南省沅陵縣境內(nèi)，上離沅陵縣城73km，下距流域雨量充沛，水量豐富，壩址多年平均流量2060m3/s，年水量649×沅水是湘西的水上交通動脈，其干流全長1550km，通航里程為荷按10萬kw相應(yīng)流量考慮，枯水流量加ⅠⅡⅢⅣ5．水庫庫區(qū)蒸發(fā)滲漏等水量損失不大，故在初步設(shè)計階段暫時不6．水庫下游有防洪要求，設(shè)計標(biāo)準(zhǔn)為二十年一遇洪水，安全泄洪3．繪制水電站調(diào)度圖的防破壞線，加大出力輔助線，確定汛期限20800mmmm8．在沅水規(guī)劃中，五強溪水電站上游將干流的虎皮溪及酉水的風(fēng)N(kw)00000表1.6溢洪壩中孔111000（3）各方案的臨時工程、其他工程和費用（包括施工機械、其他2興利計算設(shè)計原始資料給定的流量是壩址斷面歷年平均流量，考慮工程實2．灌溉、航運、養(yǎng)殖及旅游等綜合利用要求，水庫削落的最低水3．水輪機最小水頭的限制，水庫削落深度不大于水電站最大水頭最小發(fā)電流量取q（0）=800m3/s，查表得下游水位Z下（0）=50（2）極限削落深度）滿足|q（0）qp|=0.72m3/s<ε=1m3/s，則Z死=2．灌溉、航運、養(yǎng)殖及旅游等綜合利用要求，水庫削落的最低水3．水輪機最小水頭的限制，水庫削落深度不大于水電站最大水頭最小發(fā)電流量取q（0）=733m3/s，查表得下游水位Z下（0）=49（3）極限削落深度）滿足|q（0）qp|=0.08m3/s<ε=1m3/s，則Z死=2．灌溉、航運、養(yǎng)殖及旅游等綜合利用要求，水庫削落的最低水3．水輪機最小水頭的限制，水庫削落深度不大于水電站最大水頭最小發(fā)電流量取q（0）=644m3/s，查表得下游水位Z下（0）=49（4）極限削落深度）滿足|q（0）qp|=0.32m3/s<ε=1m3/s，則Z死=2．灌溉、航運、養(yǎng)殖及旅游等綜合利用要求，水庫削落的最低水3．水輪機最小水頭的限制，水庫削落深度不大于水電站最大水頭最小發(fā)電流量取q（0）=568m3/s，查表得下游水位Z下（0）=49（5）極限削落深度）滿足|q（0）qp|=0.21m3/s<ε=1m3/s，則Z死=p=N(0)（4）Nt=Kqt(Z上－Z下)qt=q(0)+(tNp－Nt)/[K(ZNp=N(0)+K[(Z正+Z死)/2－Z下](Z死－Ve)/T供轉(zhuǎn)（1）步驟計算。N峰=Np－N工基=41.33－10=3表2.1表2.2N工基N工峰N必需（2）Vt-1=Vt－(Qt－qt)Δt(Vt起始值為V死)（當(dāng)Vt-1＜V死，取Vt-1=V死（3）V均=(Vt+Vt-1)/2查水庫水位庫容曲線得到Z下；（4）Nt=Kqt(Z上－Z下)；表2.3方案一3456789123水最遲發(fā)生在7月底，8月初：故防洪限制水位取值為7月底，8月初在防破壞圖中，在汛期防洪限制水位與破壞線間，為加大出力區(qū)，表2.4表2.5本次設(shè)計N重采用經(jīng)濟利用小時數(shù)h經(jīng)濟=2500h。補充千瓦利用小時2．汛期時段初水位位于加大出力區(qū)時，按加大出力線工作，即Nt=Ni。3．段初水位在防破壞線以上時，使時段水位盡可能向防破壞線上量E及重復(fù)容量年利用小時數(shù)h，計算結(jié)果見表2.6。因重復(fù)容量年利表2.605其余三個方案的多年平均發(fā)電量E及重復(fù)容量年利用小時數(shù)h計算從表2.9可以看出，方案四的重復(fù)容量年利用小時數(shù)h均小于h經(jīng)濟根據(jù)表2.7和表2.8中計算結(jié)果，點繪N重～h利曲線，再根據(jù)h經(jīng)濟=2500h確定方案二N重=6萬kw；方案三N重=28.17萬kw。表2.702468表2.80表2.902468方案四：Ny=N必+N重=67.30+0=67.30萬kw。2．當(dāng)水庫洪水流量小于汛前限制水位相應(yīng)的下泄能力，且小于安3．當(dāng)水庫入流量超過汛前限制水位相應(yīng)的下泄能力，而小于下游表3.1方案一mmmmmm式中V為風(fēng)速，以m/s計，設(shè)計風(fēng)速12m/s表3.2方案一1m2m3m4m5m6m78m388m398m38m300m3/sm3/s4kw4kw4kw4kw060h004kw4經(jīng)濟計算本次畢業(yè)設(shè)計要求考慮資金的時間價值，采用折現(xiàn)率r0=表4.1年份123456789合計發(fā)電前一年結(jié)束，施工第二年開始移民，補償投資總值逐年分配見表表4.2年份2345678合計分配比例0.1250.1250.1670.1630.1630.1290.128補償投資額（萬元）1000010000133601304013040103201024080000u2=u21+u22+u23=362+17.7+471.2=850.9萬元。則工程年運行費u=u1+u2+u3=287+850.9+行階段各年的發(fā)電量為正常運行時發(fā)電量的比例及初期運行費見表表4.39萬元、24989萬元。水庫補償投資于第一臺機組發(fā)電前一年結(jié)束，施工第二年開始移民，補償投資總值逐年分配見表4.5。補償投資為每年年表4.4總投23456789000000000000000000000000000表4.5補償345678方案四：u1=運行費定額×裝機容量=2元/kw×67.行階段各年的發(fā)電量為正常運行時發(fā)電量的比例及初期運行費見表表4.69值為必需容量差值的1.1倍。替代電站2=(143.50－0.284)－(120.05－0.02)=23.186萬k223=(143.50－0.284)－91.95=51.266萬k34=(143.50－0.284)－67.3=75.916萬kw；4表4.76789表4.8其它表4.9其它9表4.10流年份攔洪量(億m3)待算6.56.22.310.31頻率(%)3.515.267.08.77表4.11最后，衷心感謝河海大學(xué)老師的辛勤教育和悉心指導(dǎo)！表4.12123456789永久、機電、臨時投資(%)水庫補償投資(%)替代火電站投資(%)煤礦額外投資(%)火電站初期運行費(%)表4久、機電、臨時投資(%)水庫補償投資(%)替代火電站投資(%)煤礦額外投資(%)火電站初期運行費(%)表4久、機電、臨時投資(%)水庫補償投資(%)替代火電站投資(%)煤礦額外投資(%)火電站初期運行費(%)000表4久、機電、臨時投資(%)水庫補償投資(%)替代火電站投資(%)煤礦額外投資(%)火電站初期運行費(%)000附表1壩址斷面歷年月平均流量表附表2五強溪水庫入庫洪水1970年洪水典型《合成流量法》附表3壩址斷面扣除灌溉與船閘用水后歷年月平均流量表附表4正常蓄水位120m調(diào)節(jié)流量計算表（方案一）m3/s.月年份供水期初供水期末供水期來水量興利庫容調(diào)節(jié)流量頻率8164922.51630.131092.137.5243124.91630.131188.7628.13344454.61630.131521.183.13252381.81630.13802.3984.3893750181630.13949.7368.759152186.91630.13763.493.759264458.31630.131014.7459.38131630.131012.3862.58274427.71630.13865.49262791.61630.13736.9596.88743199.71630.131207.46342545.81630.131043.9846.889266461.41630.131348.599.38242531.21630.131040.33354997.11630.131325.458273964.81630.13799.2887.5232433.71630.131354.616.25343496.31630.131281.6115.63343210.61630.131210.1821.88365082.71630.131118.834.38252879.91630.1390271.8879321271630.131252.3818.75363492.81630.13853.8278.13352220.71630.13770.1790.6382754011630.131004.4565.638276590.71630.131174.431.25342505.71630.131033.9653.138387063.11630.131086.6540.63252530.51630.13832.1281.25353741.31630.131074.2943.7581645041630.131022.3556.25附表5正常蓄水位115m調(diào)節(jié)流量計算表（方案二）m3/s.月年份供水期初供水期末供水期來水量興利庫容調(diào)節(jié)流量頻率8164922.51283.591034.3537.5243124.91283.591102.12344454.61283.591434.553.13252381.81283.59733.0887.5253201.41283.5989765.639152186.91283.59694.193.759264458.31283.59956.98131283.59896.8668.758274427.71283.59815.99262791.61283.59679.296.88743199.71283.591120.8221.881331575.81283.59953.1359.389266461.41283.591290.836.25242531.21283.59953.756.25343715.11283.591249.679.388163173.21283.59742.884.38232433.71283.591239.1343496.31283.591194.9715.63232008.61283.591097.428.13142887.41283.591042.7534.38252879.91283.59832.771.8879321271283.591136.8618.75352673.11283.59791.3478.13352220.71283.59700.8690.6382754011283.59954.9453.13231957.31283.591080.331.25342505.71283.59947.3262.5342838.71283.591030.5740.63252530.51283.59762.8281.25242731.61283.591003.843.7581645041283.59964.646.88附表6正常蓄水位108m調(diào)節(jié)流量計算表（方案三）m3/s.月年份供水期初供水期末供水期來水量興利庫容調(diào)節(jié)流量頻率8164922.5834.82959.55232106.6834.82980.4721.888921895.6834.821365.213.13252381.8834.82643.3287.5231572.4834.82802.4165.639152186.9834.82604.3490.63931660.3834.82831.7156.2513834.82747.2771.888274427.7834.82751.7968.759152157.4834.82598.4496.88743199.7834.821008.6318.751331575.8834.82803.5462.5921399.8834.821117.319.38231611.2834.82815.3459.381332534.7834.821123.176.258163173.2834.8266884.38232433.7834.821089.51343496.3834.821082.7815.63232008.6834.82947.8131.25142887.4834.82930.5537.5142136.7834.82742.88782834.82956.9128.13352673.1834.82701.5878.1324834.82598.4593.75231673.3834.82836.04231957.3834.82930.7134.38342505.7834.82835.1353.13342838.7834.82918.3840.63141849.2834.8267181.25242731.6834.82891.643.758164504834.82889.846.88附表7正常蓄水位100m調(diào)節(jié)流量計算表（方案四）m3/s.月年份供水期初供水期末供水期來水量興利庫容調(diào)節(jié)流量頻率8921099.8485.74792.7734.38232106.6485.74864.1121.888921895.6485.741190.676.25141785.4485.74567.7987.5231572.4485.74686.0565.63141598.6485.74521.0993.75931660.3485.74715.3556.2513485.74630.9183485.74675.9168.759152157.4485.74528.6390.637932202.3485.74896.0118.751331575.8485.74687.1862.5661790.7485.741276.443.13231611.2485.74698.9859.381332534.7485.741006.829.388163173.2485.74609.8281.25122485.74953.8715.63232478.7485.74988.15121065.4485.74775.5746.8821155.4485.74820.5728.13131400.7485.74628.8178.13782485.74782.3740.63352673.1485.74631.7771.8824485.74511.1996.88231673.3485.74719.6853.13121072.3485.74779.0243.75342505.7485.74747.86342838.7485.74831.11131256.9485.74580.8884.38242731.6485.74804.3431.2512485.74785.3737.5方案一3456789123附表13方案一洪水調(diào)度計算表節(jié)點入庫流量下泄流量庫蓄水量庫蓄水位149804980318606.1255305530318606.1369006900318606.1490909090318606.151020010200318606.1699809980318606.1796109610318606.1893209320318606.1990609060318606.184508450318606.177607760318606.193809380318606.11320013200318606.11550015437.53318637.31640015471.23319132.9120.031760015571.93320611.3120.11900015752.31323249.2120.222040016014.86327065.6120.42210016365.79332125.3120.652350016801.36338341.7120.942450017294272530017821.07352636.3121.622450018317.15359467.2121.952310018705.09364756.1122.22110018946.9368030.1122.361850019007.86368852.7122.41640018896.6367350.5122.331510018672.67364315.9122.181490018412.63360773.2122.011400018133.69356950.1121.831290017806.19352430.1121.611190017431.13347211.5121.371100017019.95341435.9121.09993016573.9335104120.79884016090.28328156.9120.46882015607.86321137.8120.1275707570317743.9119.9474907490317743.9119.94附表14方案一洪水調(diào)度計算表P=0.1%節(jié)點入庫流量下泄流量庫蓄水量庫蓄水位11360013600318606.121510015100318606.131880015546.13320233.1120.0842480015960.63326279.7120.3752760016648.98336174.9120.8462760017398.22346751.3121.3472720018094.08356405.2121.882680018722.82364996.7122.2192620019278.78372495.9122.572550019753.49378829.8122.872490020150.37384077.8123.132740020591.06389857.1123.42950021173.88397424.7123.763110021858.48406208.5124.183260022617.45415820.5124.643500023478.46426572.6125.153870024523.75439421.5125.774140025758.62454330.3126.484510027176.35471112.8127.284900028820.57490164.3128.195370030726.41511740.8129.225770032666.82535744.3130.245300034019.74557750.9130.944700034984.63573248.8131.444100035533.23581989.8131.723140035573.92582636.3131.743360035386.46579656.1131.643100035198.6576663.6131.553040034925.4572301.6131.413000034639.25567719.3131.262960034347.05563026.1131.112910034046.3558179.4130.962860033734.55553139130.82810033412.57547915.4130.632740033075.19542421.6130.462630032705.71536381.1130.262490032285.78529485.4130.042260031585.28521299.8129.68附表15方案一洪水調(diào)度計算表節(jié)點入庫流量下泄流量庫蓄水量庫蓄水位11680016800318606.121860015628.92320091.7120.0732320015977.89325188.3120.3143200016758.6336420120.8553500017909.84352585.8121.6263470019105.85368928122.473420020215.41383717.3123.1183370021229.16396945.1123.7493290022135.82408562.6124.293210022925.78418531.8124.773130023602.73426967.5125.173490024343.79436094.3125.613660025245.08447049.8126.133780026202.73458525.9126.683970027221.91470563.6127.254260028369.86483917.7127.894700029746.07499659.8128.645050031366.99517853.2129.515500032924.94538457.3130.335960034382.16562103.7131.086530036088.01589318.6131.956930038019.34619564.9132.916440039834.81647487.9133.86710041492.01672574.4134.64990042592.45689032.2135.134550042924.91693973.5135.284080042939.57694191.3135.293770042699.3690621.8135.183750042368.02685688.1135.023220041881.25678413.5134.793680041405.25671270.3134.563650041099.61666667.8134.413620040795.14662070.4134.273590040491.72657477134.123560040189.34652886.5133.973440039859.34647862.2133.813340039481.55642091.8133.633120039027.98635137133.41附表16方案二洪水調(diào)度計算表節(jié)點入庫流量下泄流量庫蓄水量庫蓄水位149804980251930.9255305530251930.9369006900251930.9490909090251930.951020010200251930.9699809980251930.9796109610251930.9893209320251930.9990609060251930.984508450251930.977607760251930.993809380251930.91320013200251930.91550015500251930.91640016400251930.91760017600251930.91900019000251930.92040020947.53252130.9115.022210020986.54252413.8115.042350021220.97254110.1115.162450021582.04256708.6115.362530022016.03259809.6115.592450022395.78262503.7115.792310022581.52263815115.892110022517.77263365.3115.861850022159.15260826.9115.671640021542.67256426115.341510020793.03251008.1114.931490014900248161.6114.721400014000248161.6114.721290012900248161.6114.721190011900248161.6114.721100011000248161.6114.7299309930248161.6114.7288408840248161.6114.7288208820248161.6114.7275707570248161.6114.7274907490248161.6114.72附表17方案二洪水調(diào)度計算表P=0.1%節(jié)點入庫流量下泄流量庫蓄水量庫蓄水位11360013600251930.921510015100251930.931880018800251930.942480021251.55254330.9115.1852760021896.38258956.9115.5362760022648.2264284.6115.9372720023281.48268719.8116.2682680023781.37272188.3116.5292620024149.24274723116.712550024380.39276308.2116.832490024492.06277072116.892740024718.51278616.72950025230.85282092117.263110025932.77286810.2117.623260026760.61292313.5118.033500027757.17298854.7118.523870029063307294.6119.154140030668924510031952.76329418.5120.524900033441.52343771.3121.25370035237.76360781.7122.015770037329.47380198.1122.945300039205.52397280.6123.764700040344.23407505.7124.244100040732.38410967.4124.413140040251.35406675.5124.23360039433.18399333.3123.853100038685.32392574123.533040037853.95385004.4123.173000037062.9377745.9122.822960036317.56370855.7122.492910035607.47364243.2122.182860034923.39357827.8121.872810034262.37351584.9121.572740033611.8345397.8121.282630032940.91338971.4120.972490032217.9331992120.642260031390.86323937.7120.25附表18方案二洪水調(diào)度計算表節(jié)點入庫流量下泄流量庫蓄水量庫蓄水位11680016800251930.921860018600251930.932320020988.06253530.9115.1243200021849.58259712.1115.5853500023397.54270588.5116.463470024955.39281262117.273420026273.36290097.7117.8683370027356.09297232.9118.493290028204.72302752.5118.813210028823.51306738.4119.113130029240.46309406.4119.313490029803.13312984.6119.583660030677.21318494.5119.993780031315.83324697.9120.293970032042.11331769120.634260032939.77340428121.044700034121.47351697.4121.585050035598.64365587.3122.245500037357.67381859.2123.025960039439.02400760.8123.926530041887.75422547.5124.966930044649.21446579126.116440047109.64467549.6127.116710049209.22485140.1127.954990050267.02493902128.374550049974.01491481.5128.254080049197.85485045.6127.943770048073.64475659.8127.53750046899.41465773.3127.023220045560.57454393.3126.483680044343.07443941.5125.983650043502.82436668.5125.643620042726.43429903.9125.313590042005.99423587.7125.013560041334.69417667.3124.733440040658.67411670.7124.443340039941.57405270.5124.143120039136.03398031.7123.79方案三洪水調(diào)度計算表節(jié)點入庫流量下泄流量庫蓄水量庫蓄水位149804980152159.6105.99255305530152159.6105.99369006900152159.6105.99490909090152159.6105.9951020010200152159.6105.99699809980152159.6105.99796109610152159.6105.99893209320152159.6105.99990609060152159.6105.9984508450152159.6105.9977607760152159.6105.9993809380152159.6105.991320013200152159.6105.991550015500152159.6105.991640016400152159.6105.991760017222.82152348.2106.011900017427.02153323.3106.132040017859.53155380106.382210018511.41158444.5106.752350019347.44162315.1107.222450020000166641.4107.742530021394.57171541.4108.342450022110.99174688.6108.722310022459176203.6108.92110022384.88175881.7108.861850021853.59173562.4108.581640020958.51169606.4108.11510015100167327.1107.831490014900167327.1107.831400014000167327.1107.831290012900167327.1107.831190011900167327.1107.831100011000167327.1107.8399309930167327.1107.8388408840167327.1107.8388208820167327.1107.8375707570167327.1107.8374907490167327.1107.83123456789方案三洪水調(diào)度計算表節(jié)點入庫流量下泄流量庫蓄水量庫蓄水位11680016800152159.6105.9921860017316.16152801.5106.0732320018000.13156043.4106.4643200020000164643.3107.553500022907.53178143.3109.1463470025130.87188974.1110.2873420026431.82197642.8110.9383370027497.58204628111.4593290028329.87210014.3111.863210028933.18213882.8112.153130029335.84216448.3112.343490029886.65219937.1112.63660030751.44225368113.013780031712.05231336.3113.463970032771.67237844.4113.944260034048.07245584.5114.524700035709.6255505.7115.275050037759.45267521.2116.175500040161.68281310.6117.25960042966.54297046.5118.386530046228.71314898.9119.726930048832.19334668.4120.776440050887.48351658.6121.586710052603.75365663122.254990053289.77371216.2122.514550052639.33365951.7122.264080051541.14357011.5121.833770050130.06345425.9121.283750048704.94333608.4120.723220047145.04320533.4120.093680045123.03308899.3119.273650043706.13301134.8118.693620042487.92294387.7118.183590041430.96288478.3117.743560040505.5283260.1117.353440039615.13278199.8116.973340038697.73272943.3116.583120037679.12267054.9116.13方案四洪水調(diào)度計算表節(jié)點入庫流量下泄流量庫蓄水量庫蓄水位14980498081557.9495.6725530553081557.9495.6736900690081557.9495.6749090909081557.9495.675102001020081557.9495.6769980998081557.9495.6779610961081557.9495.6789320932081557.9495.6799060906081557.9495.678450845081557.9495.677760776081557.9495.679380938081557.9495.67132001320081557.9495.67155001550081557.9495.67164001640081557.9495.671760016616.9382049.4895.771900017168.3283456.8596.062040018011.0385567.1896.492210019109.4388256.9597.04235002000091502.2397.7245002000095502.2398.522530020000100402.299.532450026094.38105302.2100.312310025545.36103282.4100.072110020000102609.799.981850024282.96100268.299.5164001640097376.7298.91151001510097376.7298.91149001490097376.7298.91140001400097376.7298.91129001290097376.7298.91119001190097376.7298.91110001100097376.7298.919930993097376.7298.918840884097376.7298.918820882097376.7298.917570757097376.7298.917490749097376.7298.91方案四洪水調(diào)度計算表P=0.1%節(jié)點入庫流量下泄流量庫蓄水量庫蓄水位1136001360081557.9495.672151001510081557.9495.6731880016811.6482552.1295.8742480018475.6686708.4796.725276002000093670.6498.1562760020000101270.699.772720027019.16108670.6100.7282680027014.5108653.8100.7292620026889.72108201.7100.662550026638.11107287.8100.552490026291.31106023.1100.42740026257.33105898.8100.382950026786.44107826.9100.623110027641.11110913.1100.993260028675.83114604.6101.443500029951.32119091.1101.983870031695.22125117.8102.714140033847.19132396.6103.64510036319.91140563104.584900039205.06149850.6105.715370042549.23160323.4106.985770046260.84171618.4108.355300048879.14179398.4109.294700049204.93180356.4109.414100047697.3817