水電機(jī)組經(jīng)濟(jì)性能評(píng)估方法研究及應(yīng)用軟件開發(fā).pdf

1、華北電力大學(xué)（北京）碩士學(xué)位論文水電機(jī)組經(jīng)濟(jì)性能評(píng)估方法研究及應(yīng)用軟件開發(fā)姓名：孫德鎖申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：熱能工程指導(dǎo)教師：劉永前20080301華北電力大學(xué)碩士學(xué)位論文摘要本文通過對(duì)水輪機(jī)能量性能的研究，總結(jié)水電機(jī)組經(jīng)濟(jì)性能評(píng)估的幾種方法，著重的研究了基于能量流的機(jī)組經(jīng)濟(jì)性能評(píng)估方法。結(jié)合劉家峽水電廠水電機(jī)組實(shí)際狀況，運(yùn)用VB6O開發(fā)工具和SQLSERVER2000數(shù)據(jù)庫，將這套成熟的體系成功地應(yīng)用于劉家峽水電站水電機(jī)組上，開發(fā)了

2、一套水電機(jī)組經(jīng)濟(jì)性能評(píng)估系統(tǒng)。該系統(tǒng)通過計(jì)算某一時(shí)段機(jī)組在理想狀況、可達(dá)狀況、運(yùn)行狀況下的效率，評(píng)價(jià)當(dāng)前機(jī)組運(yùn)行、維護(hù)狀況；通過對(duì)機(jī)組檢修前、后效率增量的計(jì)算，評(píng)價(jià)機(jī)組的檢修好壞。該系統(tǒng)對(duì)提高水電機(jī)組運(yùn)行效率和維護(hù)的經(jīng)濟(jì)性，具有重要的實(shí)用價(jià)值。關(guān)鍵詞：水電機(jī)組，能量流，經(jīng)濟(jì)性能評(píng)估，效率增量ABSTRACTThispaperresearchedtheenergycharacteristicofhydroturbine，especiall

3、yexpoundedtheenergyflowmethodonthebasisofreviewingtheexistingseveralevaluationmethodsUtilizingtheenergyflowmethod，theauthorsetupasuitofeconomicperformanceevaluationsystemforhydroelectricgeneratingunits，whichwasusedbyVB60

4、programtoolandSQLSERVER2000databaseThesystemcanevaluatetheperformanceofunitsoperationandmaintenanceformtheefficiencyresultswhichwerecalculatedformidealreachableandoperatingstateThesystemalsocanevaluatetheperformanceofuni

5、tsoverhaulformtheincrementofhydroturbineefficiencywhichwascalculatedbybeforeoverhaulingandafteroverhaulingefficiencyThisevaluationsystemisverypracticalandvaluabletoimprovehydroelectricgeneratingunits’efficientandthelevel