非同步导叶在仙游抽水蓄能电站的应用
Mechanical & Electrical Technique of Hydropower Station（2017）
Abstract
可逆式水泵水轮机组具有水头高、水头变幅大、转轮比转速小、转轮扁平流道狭长等特点,其S特性使得机组空载特性不稳定并网困难.非同步导叶的投入,能有效地改善水泵水轮机S特性问题,但随之带来机组振动、摆度增加.仙游抽水蓄能电站应用水泵水轮机模型试验,获得较优的预开开度,非同步导叶的现场应用取得成功经验.
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