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新安江水电厂是一个以发电为主的多年调节水库,流域面积10442平方公里,库容为178.4亿立米。正常高水位是108米高程,汛期限制水位为106.5米,电站总装机容量为66.25万千瓦。电站于1960年4月建成发电后曾在1966年7月进行过一次试验性泄洪,当时水库水位为103米,泄洪量为1560秒立米。今年春、夏以来,气候反常,雨量集中,1~6月共降雨1467毫米,来水量114.88立米(为1954年以来降雨最多一年),6月28日库水位已升至107.28米。按照设计规定于6月28日至7月15日,先后进行两次开闸泄洪,共历时428小时,总共泄洪26.78亿。现将今年两次泄洪有关情况概述如下。
Xin’anjiang Hydropower Plant is a power generation-based multi-year regulation reservoir with a drainage area of 10,442 square kilometers and a storage capacity of 17.84 billion cubic meters. The normal high water level is 108 meters elevation, flood season limit water level is 106.5 meters, the total installed capacity of 66.25 million kilowatts. After the power station was built in April 1960, a pilot flood discharge was conducted in July 1966, when the reservoir water level was 103 meters and the discharge volume was 1560 seconds. Since the spring and summer of this year, the climate has become an anomaly and rainfall has been concentrated. From January to June, the total rainfall has reached 1,467 millimeters with a water volume of 114.88 cubic meters (up to one year of rainfall since 1954). On June 28, the water level in the reservoir has risen to 107.28 meters. Accordance with the design requirements from June 28 to July 15, has carried out two gate flood discharge, a total of 428 hours, a total of 2.678 billion flood discharge. The current situation of flood discharge this year is summarized as follows.