湖南镇水电站水能规划及调度图绘制说明书.doc
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1、 摘 要湖南镇水电站位于中国浙江省衢州市境内,钱塘江支流乌溪江上,是一个以发电为主兼有航运、灌溉,防洪、供水等综合利用效益的较大水电站。也是乌溪江两级开发中的第一级。本次设计给定了三个水库正常蓄水位方案:227m,230m,233m,根据水利动能指标,按照费用最小原则,最终选择正常蓄水位为233m。继而假定三个死水位方案:195m,197m,199m,对其进行兴利调节及水能计算,综合各方面因素选195m作为死水位最终方案。调洪演算时取防洪限制水位等于正常蓄水位为233m,根据下游防护标准(百年一遇),确定水库的防洪高水位,根据千年一遇洪水资料,确定水库的设计洪水位, 根据万年一遇洪水资料,确定
2、水库的校核洪水位,最后定出防洪高水位234.82m,相应的最大下泄流量不超过4500。设计洪水位236.01m,相应的最大下泄流量不超过6185。校核洪水位(P=0.01%)为239m,相应的最大下泄流量不超过8232。利用电力电能平衡的方法确定水电站装机容量为34万kW,四台机组,单机容量8.5万kW。厂房为坝后式厂房,主厂房总宽定为21m,总长89m。起重机选用电动双钩桥式起重机,最大起重量选2150吨,跨度选用19m。装配场长度取24m。副厂房是为保证水电站正常运行需要,设置在主厂房下游侧。主要布置各种机电辅助设备、房间、生产间和必要生活设施房间。 厂房附近布置开关站,主变等。受地形限制
3、,坝址与厂区通过公路连接,形成枢纽体系。关键词:正常蓄水位,死水位;装机容量;防洪设计;挡水建筑物;泄水建筑物;稳定;应力;水轮机;选型;厂房朗读显示对应的拉丁字符的拼音字典ABSTRACTHunan Hydropower Station is located in the town of Quzhou City in Zhejiang Province, China, Qiantang River on the Wu River tributary, is both a power-based navigation, irrigation, flood control, water supp
4、ly and other large hydropower utilization efficiency. Wuxijiang levels is the first stage of development. Given this design, three reservoir normal water level: 227m, 230m, 233m, under the water momentum indicator, in accordance with the principle of minimum cost, and ultimately select the normal wa
5、ter level is 233m. Then the program assumes that the three dead water level: 195m, 197m, 199m, its regulation and energy calculation for Hennessy, Taking all factors selected as a dead water level 195m final plan. Flood Routing flood control level when the take is equal to the normal water level is
6、233m, according to the downstream protection standards (hundred years) to determine the high water level of flood control reservoir, a flood of the Millennium data to determine the reservoir design flood level, according to one million years flood data, flood check to determine the reservoir, the la
7、st set of high flood water level of 234.82m, the corresponding maximum discharge for not more than 4500. Design flood level 236.01m, the corresponding maximum discharge for not more than 6185. Check flood level (P = 0.01%) for the 239m, corresponding to the maximum discharge for not more than 8232.
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