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1 前言 目前,許多大中型水庫的泄洪建筑物和大中型水閘均采用自控系統(tǒng)來開啟閘門,下游水位隨閘門開啟時間而變,而閘門安全開度應(yīng)受下游水位控制,因而閘門開啟過程中各級開度的間隔時間是不相同的。本文介紹了城西湖退水閘在保證湖內(nèi)引河安全的前提下,閘門開啟的自動控制方法。
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