李家峽雙排機水電站優化運行研究.pdf

1、一艇R蘭；3圣疆⑩天率大薯碩士學位論文學科專業：水利水電工程作者姓名：吳華峰指導教師：練繼建教授I浦—L望玉ZⅡ攀疊^L盯白AbstractYellowRiverupstreamisoneofthefamoushydropowerbaseinChinaAsthebiggesthydropowerstationoftwo—rowplacedunitsintheworld，LOiaxiaHydropowerStation(installed

2、capacity1600(4400)MW)ofYellowRiverupstreamisthechiefstationforhjmDmodulationandfrequencymodulationianorthwestareaUndernewpolicyofelectricsystem，theinvestigationfortheoptima!operationmodeofLijiaxiaHydropowerStationistheba

3、sictaskneededinhydropowercascadedevelopmentofYellowRiverupstreamItnotonlylinkscloselywiththesafeoperationofnorthwestelectricpowersystem，butalsohasagreatdealwithutilizingreasonablythehydropowerresourcesinnorthwestareaandi

4、mprovingtheleveloftheeconomicoperationofthenorthwestelectricpowersystemWhileresearchingtheoptimaloperationofhydropowerstation，itisessentialtoconsidertheoptimizationofoperatingefficiency，vibrationcharacteristicsofunitandt

5、hesafetyofelectricpowersystemmeanwhileTheresearchesofoptimaloperationofLijiaxiaHydropowerStationoftwo—rowplacedunitsareasfollows：1SummarizestheoperationexperienceofLijiaxiaHydropowerStationinrecentyears，analysesthedemand

6、stotheoperationofstation，providestheproblemsexistedandtheresearchdirectionofoptimaloperation2‘Carriesoutthein—situvibrationtestingofunitsandbuildingstructureofLijiaxiaHydropowerStation，studiesthevibrationcharacteristicso

7、funitsandunfavorableoperatingdistrict，standsintheprohibitionoperatingdistrict，restrictionoperatingdistrictandsteadyoperatingdistrictofLijiaxiaHydropowerStation3Studiestheoperationwayofoptimizingtheoperationefficiencyandm

8、odesimultaneouslyofLijiaxiaHydropowerStationBasedonthegeneticalgorithmandantalgorithm，anoptimalmodelforunitloadassignmentisestablishedattheconditionofregularunitloadandfrequencymodulationoperatingconditionThissimpleandea

9、silyunderstoodmodelcouldreflecttheactualconditionsofthehydropowerstationappropriatelyitsresultshavehigherpracticalvaluetobethedecisionsupportofdispatcherandoperatorKeywords：hydropowerstation，geneticalgrithm，unitvibration