(2)运行中要尽量减少两侧动叶开度之差,保持两侧风机出力平衡,动叶开度不要过大,定期对管路系统吹灰,减小系统阻力。
(3)如风机失速过于频繁,就应对风道系统进行改造,可采取变直角弯头管路为圆弧角管路
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LiChunhong.Analysisofstallandsurgeforaxial2flowfanstreatment[J3):PowerGeneration, InvestigationinVariablePitchAxialFans Shaodong,LiChunxi,WangHuan,QiCheng
(SchoolofEnergyPowerandMechanicalEngineering,NorthChinaElectricPowerUniversity,Baoding071003,China)Abstract:Itiscommonfaultsthatstallandsurgeemergefromaxialfanatoperationofpowerplant,whichcon2straints,toalargeextent,safeandeconomicaloperationofthepowerunit.Onthebasisofexplainingthephenom2enonofstallandsurge,thepresentpapernotonlyanalyzedandsummarizedthecausesandaccordingtreatmentmeasuresofstallandsurgeforvarioustypeaxialfaninmanypowerplantsdomestically,butalsoillustratedvaria2tionofoperatingpointsinstallandsurgeoccurrenceprocessesandinducedpreventivemeasures.Keywords:variable2pitchaxialfan;surge;stall;preventivemeasures (上接第11页) 参考文献:
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通过齐次坐标变换,可以还原IA操作员站图
形画面及驱动,实际应用中通过计算机图形技术可以还原大部分工业图形,并且任意缩放而不失
[2]
真。该还原技术的特点是仿真逼真度高,并且减轻了仿真机开发人员的工作强度,极大地缩短了仿真机的开发周期。在浙江乌沙山及山东菏泽等电厂的使用得到了客户的高度认同。
[1]
验证平台开发[J].电力科学与工程,2008,24
(8):56-59.
HomogeneousCoordinateTransformationApplication onIASystemOperatorStationSimulation GaoShukai
(ResearchInstituteofSimulation&Control,NorthChinaElectricPowerUniversity,Baoding071003,China)Abstract:ThispaperdescribedtheIAsystemoperatorstationsduringthesimulationprocess,usinghomogeneouscoordinatetransformationontheIAsystemoperatorstationgraphicsfileswererestored.Indicatedthattheoperatorstationcomputergraphicssimulation,canincreasesimulationfidelitygreatly,cangreatlyreducethedevelopmentofsimulatordevelopersintensityandgreatlyreduceoperatorstationssimulationdevelopmentcycle.Keywords:operatorstationsimulation;homogeneouscoordinates;graphtransformation