1仙女堡水电厂2012年发电调度计划方案批准:黄汉艺审核:周宗安校核:吕永辉编写:李国军电厂联系人:李国军联系电话:13730706568Email:918230414@qq.com传真:0816-8876214仙女堡水电厂(盖章)二0一二年九月2填报说明1、水电厂投产时提前1个月编制本方案并报送调度中心。2、正式投产后,每年11月15日前向省调度中心报送下一年度的发电方案。3、运行中如新投设备或发电方案有较大变化时,应重新编制本方案并及时报省调。31.概况1.1.径流特性涪江是嘉陵江水系的一级支流,发源于川西北阿坝州松潘县境内岷山雪宝顶北坡,自西北向东南流经平武、江油、绵阳、三台、射洪、遂宁、潘南至合川市汇入嘉陵江。涪江流域地势自西北向东南倾斜,流域面积36272k㎡,自河源至河口,河道长675km,天然落差9450m。涪江以武都灯笼桥以上为上游,控制流域面积5814km2,河道长238km,天然落差3629m。仙女堡水电站工程位于涪江干流上,是涪江干流木瓜墩-铁笼堡段梯级开发的第三个梯级电站,为闸坝引水式开发。取水枢纽位于平武县水晶镇下游1.5km处,通过长13603.7m的隧洞,引水至仙坪村右岸上游900m处建厂房发电。仙女堡水电站工程开发任务主要为发电,兼顾下游生态环境用水要求。水库正常蓄水位1117.5m,总库容为112.1万m³,调节库容74.55万m³,具有不完全日调节性能。1.2.电站主要特性序号名称单位数量备注一水文1坝址以上流域面积km220972多年平均流量m3/s65.4二水库1水库水位正常蓄水位m1117.5汛期限制水位m/死水位m1113.52水库容积正常蓄水位以下库容亿m30.01121调节库容亿m30.007455调节性能不完全日调节三发电效益指标装机容量MW76保证出力MW40多年平均发电量亿kWh3.8014年利用小时h5002四主要建筑物及设备1拦河坝大坝型式砼重力坝坝顶高程m1121.24最大坝高m18.2坝项长度m113.432引水建筑物设计引用流量m3/s/最大引用流量m3/s86.886进水口高程m1115.00设计水头m98最大水头m116.53主要机电设备(1)水轮机台数台2型号HL(LLT68)-LJ-220额定出力MW39.175额定转速r/min333.3吸出高程m+1.24最大工作水头m116.5最小工作水头m96.56额定水头m98额定流量m3/s43.443(2)发电机台数台2型号SF-J38-18/4800额定容量MVA44.71功率因数0.85额定电压KV10.5五其它所在河流涪江所在地点四川省绵阳市平武县上游电站名称任家坝电站下游电站名称铁笼堡电站上游电站尾水至本电站水库流达时间h15.1km2.发电调度技术指标2.1.机组振动区不同水头(水位)下的振动区。(待机组全水头震区测试后提供)2.2.单机空载耗水流量7.5m3/s(7.82)2.3.厂用电率(用上年度发电机机端发电量减去实际供主网电量(以结算关口点为准)所占比例)5月份1月2月3月4月5月6月7月8月9月10月11月12月全年发电机机端发电量实际供主网电量厂用电率(含损耗)%(新投电厂无)2.4.加减负荷速率AGC试验后提供2.5.逐月水位控制要求(1)季调节和年调节能力水库说明汛限水位;日调节和无调节能力说明枯期运行水位要求,汛期不同流量范围内的运行方式。a.非汛期(10月至次年5月)水库在正常蓄水位1117.5m至死水位1113.5m之间消落,电站发电,水库进行日调节。b.汛期(6月至9月)a当入库流量小于500m3/s时,水库在正常蓄水位1117.5m至死水位1113.5m之间消落,电站发电,水库进行日调节。排水库右侧的淤沙,可以控制开启右岸第1孔泄洪冲沙闸门;若要排库左侧的淤沙,可以控制开启左岸第1孔闸泄洪冲沙。根据首部枢纽引水防沙和闸下消能防冲的要求,在各级流量下,水库运行方式及泄水建筑物闸孔开启程序见下表。拦河闸枢纽运行方式表表-1入库流量(m3/s)库水位控制(m)机组运行情况溢流闸门控制Q≤44.4431113.5<H≤1117.5一台机发电5孔闸门全关44.443<Q≤5001113.5<H≤1117.5一~二台机发电根据洪水流量和水库淤沙量灵活控制弧形闸门排沙和泄洪(开1~4扇门)Q>500H≤1116.5停机排沙、泄洪5孔溢流闸门全开(2)水库水位逐月控制要求:6全年各阶段水位安全控制具体要求(最低及最高安全运行水位)a.非汛期(每年10月~次年4月),水库抬高水位,在1113.50~1117.50m之间不完全日调节运行;b.汛期(每年5~9月)闸前水位根据入库流量在1114.00~1116.50m之间运行,达到年不完全日调节目的。(3)库水位消落安全限制条件:(设计或安全运行许可的最快蓄水/消落速度)水库蓄水时要求按3级上升到正常蓄水位1117.5m,各级库水位分别为:1105~1110m、1110m~1115m、1115m~1117.5m,各级分别上升:5m、5m、2.5m。每一级水位稳定48小时,检查扬压力、坝体变形、左右岸绕坝渗漏以及大坝外观检查,当发现某个观测数据不稳定或有异常时,不能上升到下一级水位,应查明原因,必要时应下降库水位2.6.水库综合设计用水任务无2.7.坝址多年平均入库流量(说明统计年限)(1)多年月平均入库流量(数据为典型中水年数据)单位:m3/s月份1月2月3月4月5月6月7月8月9月10月11月12月年均入库流量表5-1仙女堡电站坝址流域水文年月平均流量表年份5月6月7月8月9月10月11月12月1月2月3月4月年均196083.5101.3216.3263.0205.5175.988.752.136.029.833.7121.1117.81961130.0257.6302.5263.9169.6163.3102.255.740.533.430.956.9134.51962104.9162.4364.5237.8197.4176.897.758.539.932.632.760.0131.21963130.9125.5215.4190.2271.1152.580.448.435.429.141.585.5117.41964142.6160.6514.6249.5263.0200.194.155.940.633.236.299.5158.5196582.395.0181.295.9101.3145.366.442.732.728.629.853.680.0196693.297.7280.1351.0348.4172.388.752.035.128.337.966.4138.31967213.6122.9244.1274.7316.0162.495.951.236.130.739.871.9138.71968131.8116.6140.8218.1250.4125.567.543.731.825.425.342.8102.11969100.4117.5154.3140.888.7117.566.041.030.926.426.874.882.51970137.2116.6153.4287.3113.089.654.337.729.625.627.946.393.8197169.2107.6134.5151.6185.7169.677.745.633.528.631.060.791.41972103.1130.9226.2181.2139.977.750.135.928.224.526.961.891.01973153.4232.5209.1139.0181.2146.267.643.632.928.228.059.1110.51974117.586.9105.8135.4183.9113.961.939.730.526.832.966.883.81975157.9132.7207.3208.2338.5185.799.555.938.633.233.375.6130.871976104.0157.9183.9405.0223.5131.882.157.243.236.241.885.5130.01977119.3139.0251.3143.5161.598.668.945.634.630.932.867.699.91978112.1130.9183.0176.8382.5118.476.351.838.132.832.851.3115.8197978.6100.4188.4189.3177.7136.364.544.234.029.432.165.495.31980122.9128.2223.5127.3139.9118.463.242.533.428.432.553.293.3198176.9165.1295.3352.8234.3135.473.047.936.930.936.653.7129.0198282.2119.3129.1101.3242.3126.469.844.134.028.828.773.690.11983109.4150.7164.2163.3154.3119.369.545.335.130.431.053.394.01984101.3162.4198.3195.6175.9123.869.145.135.330.130.064.4103.11985117.5119.3127.3175.0236.1112.162.743.233.930.032.460.296.11986103.1171.4144.495.0102.271.648.934.128.224.724.432.673.6198779.5159.7138.1108.5113.075.150.734.127.724.028.552.474.31988127.3137.2209.1232.5146.2146.268.545.536.231.133.467.9107.41989151.6183.9190.2212.7155.2112.170.947.535.530.139.080.3109.61990142.6157.9301.6275.6294.4132.776.237.833.036.769.9127.3141.11991105.8123.882.2123.8120.2133.667.544.235.029.731.274.881.11992127.3233.4371.7271.1159.7150.778.651.839.834.936.476.7136.91993154.3140.8289.1223.5154.3125.573.646.635.530.430.981.8116.3199495.9166.9138.1110.3184.8149.869.145.435.130.234.469.894.41995118.1117.2136.0244.6245.5137.872.246.335.230.330.545.6105.2199692.2119.0111.7190.9144.8100.061.740.132.528.642.098.888.91997171.2125.5142.8130.971.879.650.135.228.125.130.651.479.01998104.6100.7195.7153.5107.594.159.039.631.026.426.255.583.3199969.0145.5216.7168.7163.1176.580.151.240.333.744.194.8107.2200097.5154.9145.9162.0119.0111.865.443.233.228.733.167.588.92001100.4107.697.7116.6252.2154.386.050.236.733.234.657.194.0平均114.7140.1202.5196.1190.8132.072.345.734.629.833.768.21