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水擊壓力、機(jī)組轉(zhuǎn)速變化等數(shù)據(jù)的計(jì)算,稱(chēng)為調(diào)節(jié)保證計(jì)算.調(diào)保計(jì)算的目的是:計(jì)算引水系統(tǒng)的最大和最小內(nèi)水壓力;丟棄負(fù)荷、增加負(fù)荷時(shí)的機(jī)組轉(zhuǎn)速變化率,驗(yàn)證其是否在允許范圍內(nèi);選擇水輪機(jī)調(diào)節(jié)器調(diào)節(jié)時(shí)間和調(diào)節(jié)規(guī)律,保證壓力和轉(zhuǎn)速變化在允許值范圍內(nèi);研究減小水擊壓力及機(jī)組轉(zhuǎn)速變化率的措施.本文以緬甸境內(nèi)太平江一級(jí)水電站4臺(tái)機(jī)組為原型,重點(diǎn)對(duì)電站機(jī)組調(diào)節(jié)保證計(jì)算進(jìn)行分析.
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