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零点看书吧 > 科幻小说 > 银河系殖民手册 > 正文 第三十章 西盘江水电站(下)

正文 第三十章 西盘江水电站(下)(第1页/共4页)

陆洋拖着装有晨曦主机的行李箱,一路小步快跑冲出了小院,走上了水电站的大坝。趁路过的机会,他又仔细观察了一下西盘江电站的主体结构。

站在大坝上的陆洋可以清晰的看到,整座西盘江水库被夹在两个陡峭的悬崖之间,水库的左右两岸各有一个狭小平台,分别坐落着刘工的小破楼,还有毛晓非的那个矿机厂房。整个水电站,除了连接到废弃厂房的那根电缆之外,只有附近山顶上的一条输电线路,与外界电网相连接。

目前华国主要河流的主汛期已经到来,作为整个扬子江水系高度差最大的一段水系,西盘江电站水库上游并不宽阔的江面上,水流已经异常湍急。所幸大坝拦蓄形成的水库区,地势相对比较平缓,江水流入水库之后冲击力大减,并没有直接拍击到大坝主体之上,这个已经将近有60年历史的古老建筑依然稳如泰山。

作为典型的上游小型水电站,西盘江大坝主体下方,有只三个出水口,包括两个泄洪口和一个内部安装有发电机转子的出水口。

这两个泄洪口中,目前已经有一个在以最大流量泄洪,另一个仍处于关闭状态。

位于中间的装有发电机的出水口,也有少量江水流出,但这并不是在向外发电,而是为了维持整个水电机组能以最低功率运行,以保障整个水电站厂区的厂用电供应。

把电厂从完全关闭的状态开启,学名叫做“黑启动”,是极其复杂的操作,因此大多数电厂哪怕不发电,也会尽量避免直接停机,始终要维持一定的厂用电供应。

电厂厂用电的重要性自不必赘述,日本的福岛核电站核泄漏事故的直接原因,就是海啸使核电厂的厂用电系统全部失效不能供电,厂用冷却水泵不能启动,导致核反应堆的热量得不到及时冷却,最终引起了氢气爆炸。

基于西南地区较为落后的经济条件,在主汛期到来时,华国电网只能优先消纳本地中型水电站生产的电力。

即使有是跨省调度电力能力的特高压线路,也都点对点接在几个主要巨型水电站附近,由这几个水电站,直供华国经济最为发达的几个城市群。

毕竟这些受电省份都不是傻子,只有出力稳定的巨型水电站发出的电力,大家才会抢着要。而那些出力波动太大的小电源,就算白送过去,受电省份也只会嫌弃其增加了本地电网的调度难度。

像西盘江电站这样的西南小水电,本地也不给消纳,外省也不肯接受,在汛期被电网分配到的用电负荷,基本上就是一条为零的直线。

换句话说,除了厂区用电之外,汛期的西盘江水电站,实际上一度额外的电力也发不出来,多余的江水全部通过泄洪的方式白白浪费掉了。

不过好在,西盘江 『加入书签,方便阅读』
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