摘要
立足综合利用新形势拟定新安江水库调度方案研究集,建立调度图优化数学模型,开展调度方案优化与对比。成果表明,千岛湖年引水规模扩大至15亿m^(3)后,适当降低汛期保证出力进行方案优化,可维持供水保证率和生态基流保证率100%,并保持保证出力保证率、多年平均水位、枯水期平均下泄流量等指标与现状年引水规模9.78亿m^(3)接近;但水库多年平均发电量减小0.94亿kW·h。调整新安江水库调度方案,进一步降低保证出力,有利于提高水库多年平均水位,大幅提高枯水期平均水位;枯水期保证出力降低将引起水库枯水期平均下泄流量减小,汛期保证出力降低有利于增大枯水期平均下泄流量。
Based on the new comprehensive utilization situation of Xin’anjiang Reservoir, the operation scheme research collection of reservoir is drawn up, the mathematical model of dispatching diagram optimization is established, and the operation schemes are optimized and compared. The results show that, after the annual water diversion scale of Qiandao Lake Water Diversion Project expanding to 1.5 billion m^(3), the water supply guarantee rate and the ecological base flow guarantee rate at 100% can be maintained when the guaranteed output of Xin’anjiang Hydropower Station during the flood season is appropriately reduced, and at the same time, the guarantee rate of guaranteed output, multi-year average water level and average discharge flow during dry seasons can be maintained to close to the current values under the diversion scale of 0.978 billion m^(3) per year, but the power generation will decrease by 94 million kW·h. The adjustment of Xin’anjiang Reservoir’s operation scheme by further reducing the guaranteed output is beneficial to increase the annual average water level of the reservoir and greatly increase the average water level in dry season. The decrease of the guaranteed output during the dry season will reduce the average discharge flow of the reservoir during the dry season, but the decrease of the guaranteed output during the flood season will increase the average discharge flow during the dry season.
作者
刘强
姚晨晨
陈天力
陈晓芬
计金华
曹江兵
张明
LIU Qiang;YAO Chenchen;CHEN Tianli;CHEN Xiaofen;JI Jinhua;CAO Jiangbing;ZHANG Ming(PowerChina Huadong Engineering Corporation Limited,Hangzhou 311122,Zhejiang,China;Hangzhou Municipal Ecology and Environment Bureau,Hangzhou 310003,Zhejiang,China)
出处
《水力发电》
CAS
2021年第11期90-95,共6页
Water Power
关键词
水库优化调度方案
调度图
新形势
新安江水库
reservoir optimal operation scheme
dispatch diagram
new situation
Xin anjiang Reservoir
