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简介：OnNovember18,2001,thesecondphasecofferdamofThreeGorgesProjectwasstartedtodismantle.Thedismantlementofcofferdamwithheightof80oddm,weircrestwidthof15mandoveralllengthof2.4km,marksthebeginningofthesecondtimecutoffofThreeGorgesProject—thecutoffofdiversion

简介：Thispaperpresentsauniquenoveldesignofthephase-shiftedcascadehighvoltageinverter.Thehighvoltageinverterutilizesfewerpowerswitchesandsuppliesabalanceload.TheusageofphaseshifttransformerandphaseshiftingSPWMensuresthatinputandoutputharmonicwavecontentislowandoutputvoltagechange(du/dt)hasalowrate,meetingalltherequirementsofthepowerauthorities.Themostout-standingfeatureistheenergysavingwithveryfastcostrecovery.

简介：ChinaandCanadahavesignedaprojectawardagreementfortheco-operationfortheQinshanPhaseⅢCandunuclearpowerproject,markingsignificantprogressincommercialnegotiationsbetweenbothcountriesontheconstructionoftwo700megawattclassCanduunits.Theagreement,signedbetweentheChinaNationalNuclearCorp(CNNC)andtheAtomicEnergyofCanadaLtd(AECL)inBeijingonJuly12,finalizedthepriceandcommercialtermsforQinshanPhaseⅢ

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简介：OnOctober15,2001,No.7generatingunitofYunnanXuanweiPowerGenerationCorp.5thphaseprojectwassuccessfullyputintooperationandconnectedtothepowernetwork.Hitherto,XuanweiPowerPlant5thphaseextensionprojectwaswhollycompleted.XuanweiPowerPlant5thphaseextensionprojectis

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